красная зона

HamContract/HamBusinessLogic/HamBusinessLogic.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+ <ItemGroup>
+		<InternalsVisibleTo Include="HamTests" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+ </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.2" />
+  </ItemGroup>
+
+	
+  <ItemGroup>
+    <ProjectReference Include="..\HamContract\HamContract.csproj" />
+  </ItemGroup>
+
+</Project>

HamContract/HamBusinessLogic/Implementations/EmployeeBusinessLogicContract.cs

@@ -0,0 +1,61 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Extensions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+
+namespace HamBusinessLogic.Implementations
+{
+    internal class EmployeeBusinessLogicContract ( IEmployeeStorageContract employeeStorageContract, ILogger logger) : IEmployeeBusinessLogicContract
+    {
+    private readonly ILogger _logger = logger;
+    private readonly IEmployeeStorageContract _employeeStorageContract = employeeStorageContract;
+    
+        public void DeleteEmployee(string id)
+        {
+          
+        }
+
+        public List<EmployeeDataModel> GetAllEmployee(bool onlyActive = true)
+        {
+            return [];
+        }
+
+        public List<EmployeeDataModel> GetAllEmployeeByDateofBirth(DateTime fromDate, DateTime toDate, bool onlyActive = true)
+        {
+            return [];
+        }
+
+        public List<EmployeeDataModel> GetAllEmployeeByEmploymentDate(DateTime fromDate, DateTime toDate, bool onlyActive = true)
+        {
+            return [];
+        }
+
+        public List<EmployeeDataModel> GetAllEmployeeByPost(string postId, bool onlyActive = true)
+        {
+            return [];
+        }
+
+        public EmployeeDataModel GetEmployeeByData(string data)
+        {
+            return new("", "", "", "", DateTime.Now,DateTime.Now,true);
+        }
+
+        public void InsertEmployee(EmployeeDataModel employeeDataModel)
+        {
+        }
+
+        public void UpdateEmployee(EmployeeDataModel employeeDataModel)
+        {
+            
+        }
+    }
+}

HamContract/HamBusinessLogic/Implementations/Meat_ProductBusinessLogicContract.cs

@@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Extensions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+
+namespace HamBusinessLogic.Implementations;
+
+internal class Meat_ProductBusinessLogicContract(IMeat_productStorageContract productStorageContract, ILogger logger) : IMeat_ProductBusinessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly IMeat_productStorageContract _productStorageContract = productStorageContract; 
+
+
+    public void AddElement(Meat_productDataModel productDataModel)
+    {
+        
+    }
+
+    public void DelElement(string id)
+    {
+       
+    }
+
+    public void DeleteProduct(string id)
+    {
+        throw new NotImplementedException();
+    }
+
+    public List<Meat_productDataModel> GetAllProducts(bool onlyActive = true)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Meat_productDataModel? GetElementById(string id)
+    {
+        throw new NotImplementedException();
+    }
+
+    public Meat_productDataModel? GetElementByName(string name)
+    {
+        throw new NotImplementedException();
+    }
+
+    public List<HistoryDataModel> GetHistoryByProductId(string productId)
+    {
+        return [];
+    }
+
+    public List<Meat_productDataModel> GetList(bool onlyActive = true)
+    {
+        return [];
+    }
+
+    public Meat_productDataModel GetProductByData(string data)
+    {
+        throw new NotImplementedException();
+    }
+
+    public List<HistoryDataModel> GetProductHistoryByProduct(string productId)
+    {
+        throw new NotImplementedException();
+    }
+
+    public void InsertProduct(Meat_productDataModel productDataModel)
+    {
+        throw new NotImplementedException();
+    }
+
+    public void UpdateProduct(Meat_productDataModel productDataModel)
+    {
+        throw new NotImplementedException();
+    }
+
+    public void UpdElement(Meat_productDataModel productDataModel)
+    {
+        
+    }
+}
+
+
+
+

HamContract/HamBusinessLogic/Implementations/PostBusinessLogicContract.cs

@@ -0,0 +1,60 @@
+using Microsoft.Extensions.Logging;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.StorageContracts;
+using HamContract.Exceptions;
+using HamContract.Extensions;
+using HamContract.Enums;
+using System.Data;
+
+namespace HamBusinessLogic.Implementations;
+
+public class PostBusinessLogicContract(IPostStorageContract
+postStorageContract, ILogger logger) : IPostBusinessLogicContract
+{
+private readonly ILogger _logger = logger;
+private readonly IPostStorageContract _postStorageContract =
+postStorageContract;
+
+
+    public List<PostDataModel> GetAllPosts(bool onlyActive = true)
+    {
+        return [];
+    }
+
+    public List<PostDataModel> GetAllDataOfPost(string postId)
+    {
+        return [];
+    }
+
+
+    public PostDataModel GetPostByData(string data)
+    {
+        return new("","",PostType.None,true, DateTime.Now);
+    }
+
+    public void InsertPost(PostDataModel postDataModel)
+    {
+    }
+
+    public void UpdatePost(PostDataModel postDataModel)
+    {
+        
+    }
+
+    public void DeletePost(string id)
+    {
+    }
+
+
+    public void RestorePost(string id)
+    {
+    }
+}

HamContract/HamBusinessLogic/Implementations/SalaryBusinessLogicContract.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Extensions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+
+namespace HamBusinessLogic.Implementations;
+
+internal class SalaryBusinessLogicContract: ISalaryBusinessLogicContract
+{
+   
+    public List<SalaryDataModel> GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate)
+    {
+        return [];
+    }
+
+    public List<SalaryDataModel> GetAllSalariesByPeriodByEmployee(DateTime fromDate, DateTime toDate, string employeeId)
+    {
+        return [];
+    }
+
+    public void CalculateSalaryByMounth(DateTime date)
+    {
+        
+    }
+}

HamContract/HamBusinessLogic/Implementations/SaleBusinessLogicContract.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Exceptions;
+using HamContract.Extensions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+
+namespace HamBusinessLogic.Implementations
+{
+    internal class SaleBusinessLogicContract : ISaleBusinessLogicContract
+    {
+       
+        
+
+        public List<SaleDataModel> GetAllSalesByEmployeeByPeriod(DateTime fromDate, DateTime toDate)
+        {
+            return [];
+        }
+
+        public List<SaleDataModel> GetAllSalesByProductByPeriod( DateTime fromDate, DateTime toDate)
+        {
+            return []; 
+        }
+
+        public SaleDataModel GetSaleByData(string data)
+        {
+            return new("", "", 0 , true, []);
+        }
+
+        public void InsertSale(SaleDataModel saleDataModel)
+        {
+           
+        }
+
+        public void CancelSale(string id)
+        {
+          
+        }
+
+        public List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate)
+        {
+            return [];
+        }
+
+        public List<SaleDataModel> GetAllSalesByEmployeeByPeriod(string employeeId, DateTime fromDate, DateTime toDate)
+        {
+            return [];
+        }
+
+        public List<SaleDataModel> GetAllSalesByProductByPeriod(string productId, DateTime fromDate, DateTime toDate)
+        {
+            return [];
+        }
+    }
+}
+    
+
+

HamContract/HamContract.sln

@@ -7,6 +7,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HamContract", "HamContract\
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HamTests", "HamTests\HamTests.csproj", "{B6B67AC4-E55E-4B73-8C14-2A1E2FDCFD26}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HamBusinessLogic", "HamBusinessLogic\HamBusinessLogic.csproj", "{AE3A7740-AE52-4F25-A988-457412240CBE}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{B6B67AC4-E55E-4B73-8C14-2A1E2FDCFD26}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B6B67AC4-E55E-4B73-8C14-2A1E2FDCFD26}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B6B67AC4-E55E-4B73-8C14-2A1E2FDCFD26}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AE3A7740-AE52-4F25-A988-457412240CBE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AE3A7740-AE52-4F25-A988-457412240CBE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AE3A7740-AE52-4F25-A988-457412240CBE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AE3A7740-AE52-4F25-A988-457412240CBE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

HamContract/HamContract/BusinessLogicContract/ISalaryBusinessLogicContract.cs

@@ -10,6 +10,6 @@ namespace HamContract.BusinessLogicContract;
 public interface ISalaryBusinessLogicContract
 {
     List<SalaryDataModel> GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate);
-    List<SalaryDataModel> GetAllSalariesByPeriodByWorker(DateTime fromDate,DateTime toDate, string workerId);
+    List<SalaryDataModel> GetAllSalariesByPeriodByEmployee(DateTime fromDate,DateTime toDate, string employeeId);
     void CalculateSalaryByMounth(DateTime date);
 }

HamContract/HamContract/BusinessLogicContract/ISaleBusinessLogicContract.cs

@@ -11,7 +11,7 @@ public interface ISaleBusinessLogicContract
 {
     List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate);
 
-    List<SaleDataModel> GetAllSalesByWorkerByPeriod(string employeeId, DateTime fromDate, DateTime toDate);
+    List<SaleDataModel> GetAllSalesByEmployeeByPeriod(string employeeId, DateTime fromDate, DateTime toDate);
 
     List<SaleDataModel> GetAllSalesByProductByPeriod(string productId, DateTime fromDate, DateTime toDate);
 

HamContract/HamContract/DataModels/PostDataModel.cs

@@ -10,10 +10,9 @@ using HamContract.Infrastructure;
 
 namespace HamContract.DataModels;
 
-public class PostDataModel(string id, string postId, string postName, PostType postType, bool isActual, DateTime changeDate) : IValidation
+public class PostDataModel(string id,string postName, PostType postType, bool isActual, DateTime changeDate) : IValidation
 {
     public string Id { get; private set; } = id;
-    public string PostId { get; private set; } = postId;
     public string PostName { get; private set; } = postName;
     public PostType PostType { get; private set; } = postType;
     public bool IsActual { get; private set; } = isActual;
@@ -27,11 +26,6 @@ public class PostDataModel(string id, string postId, string postName, PostType p
         if (!Id.IsGuid())
             throw new ValidationException("The value in the field Id is not a unique identifier");
 
-        if (PostId.IsEmpty())
-            throw new ValidationException("Field PostId is empty");
-
-        if (!PostId.IsGuid())
-            throw new ValidationException("The value in the field PostId is not a unique identifier");
 
         if (PostName.IsEmpty())
             throw new ValidationException("Field PostName is empty");

HamContract/HamContract/Exceptions/ElementExistsException.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Exceptions;
+
+public class ElementExistsException: Exception
+{
+    public string ParamName { get; private set; }
+
+    public string ParamValue { get; private set; }
+
+    public ElementExistsException(string paramName, string paramValue) : base($"There is already an element with value{paramValue} of parameter {paramName}")
+    {
+        ParamName = paramName;
+        ParamValue = paramValue;
+    }
+}

HamContract/HamContract/Exceptions/ElementNotFoundException.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Exceptions;
+
+public class ElementNotFoundException: Exception
+{
+    public string Value { get; private set; }
+
+    public ElementNotFoundException(string value) : base($"Element not found at value = {value}")
+    {
+        Value = value;
+    }
+}

HamContract/HamContract/Exceptions/IncorrectDatesException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Exceptions;
+
+public class IncorrectDatesException: Exception
+{
+    public IncorrectDatesException(DateTime start, DateTime end) : base($"The end date must be later than the start date.. StartDate: {start:dd.MM.YYYY}. EndDate: {end:dd.MM.YYYY}") { }
+}

HamContract/HamContract/Exceptions/NullListException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Exceptions;
+
+public  class NullListException: Exception
+{
+    public NullListException() : base("The returned list is null") { }
+}

HamContract/HamContract/Exceptions/StorageException.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Exceptions;
+
+public class StorageException: Exception
+{
+    public StorageException(Exception ex) : base($"Error while working in storage: {ex.Message}", ex) { }
+}

HamContract/HamContract/Extensions/DateTimeExtensions.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HamContract.Extensions;
+
+
+public static class DateTimeExtensions
+{
+    public static bool IsDateNotOlder(this DateTime date, DateTime olderDate)
+    {
+        return date >= olderDate;
+    }
+}

HamContract/HamTests/BusinessLogicContrectTests/EmployeeBusinessLogicContractTest.cs

@@ -0,0 +1,602 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HamBusinessLogic.Implementations;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Exceptions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace HamTests.BusinessLogicContrectTests;
+[TestFixture]
+
+internal class EmployeeBusinessLogicContractTest
+{
+    private EmployeeBusinessLogicContract _employeeBusinessLogicContract;
+    private Mock<IEmployeeStorageContract> _employeeStorageContract;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _employeeStorageContract = new Mock<IEmployeeStorageContract>();
+        _employeeBusinessLogicContract = new EmployeeBusinessLogicContract(_employeeStorageContract.Object, new Mock<ILogger>().Object);
+    }
+
+    [SetUp]
+    public void SetUp()
+    {
+        _employeeStorageContract.Reset();
+    }
+
+    [Test]
+    public void GetAllEmployee_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var listOriginal = new List<EmployeeDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), "fio 1", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18).AddDays(-1), DateTime.Now, false),
+            new(Guid.NewGuid().ToString(), "fio 2", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18).AddDays(-1), DateTime.Now, true),
+            new(Guid.NewGuid().ToString(), "fio 3", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18).AddDays(-1), DateTime.Now, false),
+        };
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns(listOriginal);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployee(true);
+        var list = _employeeBusinessLogicContract.GetAllEmployee(false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, null, null, null, null, null), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, null, null, null, null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployee_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns([]);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployee(true);
+        var list = _employeeBusinessLogicContract.GetAllEmployee(false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+            Assert.That(list, Has.Count.EqualTo(0));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), null, null, null, null, null), Times.Exactly(2));
+    }
+
+    [Test]
+    public void GetAllEmployee_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployee(It.IsAny<bool>()), Throws.TypeOf<NullListException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployee_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployee(It.IsAny<bool>()), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), null, null, null, null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByPost_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var postId = Guid.NewGuid().ToString();
+        var listOriginal = new List<EmployeeDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), "fio 1", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+            new(Guid.NewGuid().ToString(), "fio 2", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, true),
+            new(Guid.NewGuid().ToString(), "fio 3", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+        };
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns(listOriginal);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByPost(postId, true);
+        var list = _employeeBusinessLogicContract.GetAllEmployeeByPost(postId, false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, postId, null, null, null, null), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, postId, null, null, null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByPost_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns([]);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByPost(Guid.NewGuid().ToString(), true);
+        var list = _employeeBusinessLogicContract.GetAllEmployeeByPost(Guid.NewGuid().ToString(), false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+            Assert.That(list, Has.Count.EqualTo(0));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Exactly(2));
+    }
+
+    [Test]
+    public void GetAllEmployeeByPost_PostIdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByPost(null, It.IsAny<bool>()), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByPost(string.Empty, It.IsAny<bool>()), Throws.TypeOf<ArgumentNullException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllEmployeeByPost_PostIdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByPost("postId", It.IsAny<bool>()), Throws.TypeOf<ValidationException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllEmployeeByPost_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByPost(Guid.NewGuid().ToString(), It.IsAny<bool>()), Throws.TypeOf<NullListException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllWorkersByPost_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByPost(Guid.NewGuid().ToString(), It.IsAny<bool>()), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllWorkersByBirthDate_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        var listOriginal = new List<EmployeeDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), "fio 1", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+            new(Guid.NewGuid().ToString(), "fio 2", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, true),
+            new(Guid.NewGuid().ToString(), "fio 3", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+        };
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns(listOriginal);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(date, date.AddDays(1), true);
+        var list = _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(date, date.AddDays(1), false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, null, date, date.AddDays(1), null, null), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, null, date, date.AddDays(1), null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByBirthDate_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns([]);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), true);
+        var list = _employeeBusinessLogicContract.GetAllEmployee(false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+            Assert.That(list, Has.Count.EqualTo(0));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, null, It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), null, null), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, null, It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllWorkersByBirthDate_IncorrectDates_ThrowException_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(date, date, It.IsAny<bool>()), Throws.TypeOf<IncorrectDatesException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(date, date.AddSeconds(-1), It.IsAny<bool>()), Throws.TypeOf<IncorrectDatesException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllEmployeeByBirthDate_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), It.IsAny<bool>()), Throws.TypeOf<NullListException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByBirthDate_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByDateofBirth(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), It.IsAny<bool>()), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllWorkersByEmploymentDate_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        var listOriginal = new List<EmployeeDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), "fio 1", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+            new(Guid.NewGuid().ToString(), "fio 2", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, true),
+            new(Guid.NewGuid().ToString(), "fio 3", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false),
+        };
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns(listOriginal);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(date, date.AddDays(1), true);
+        var list = _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(date, date.AddDays(1), false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, null, null, null, date, date.AddDays(1)), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, null, null, null, date, date.AddDays(1)), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByEmploymentDate_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Returns([]);
+        //Act
+        var listOnlyActive = _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), true);
+        var list = _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), false);
+        //Assert
+        Assert.Multiple(() =>
+        {
+            Assert.That(listOnlyActive, Is.Not.Null);
+            Assert.That(list, Is.Not.Null);
+            Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+            Assert.That(list, Has.Count.EqualTo(0));
+        });
+        _employeeStorageContract.Verify(x => x.GetList(true, null, null, null, It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetList(false, null, null, null, It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByEmploymentDate_IncorrectDates_ThrowException_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(date, date, It.IsAny<bool>()), Throws.TypeOf<IncorrectDatesException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(date, date.AddSeconds(-1), It.IsAny<bool>()), Throws.TypeOf<IncorrectDatesException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllEmployeeByEmploymentDate_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), It.IsAny<bool>()), Throws.TypeOf<NullListException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllEmployeeByEmploymentDate_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetAllEmployeeByEmploymentDate(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), It.IsAny<bool>()), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()), Times.Once);
+    }
+
+    [Test]
+    public void GetEmployeeByData_GetById_ReturnRecord_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        var record = new EmployeeDataModel(id, "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false);
+        _employeeStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
+        //Act
+        var element = _employeeBusinessLogicContract.GetEmployeeByData(id);
+        //Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Id, Is.EqualTo(id));
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetWorkerByData_GetByFio_ReturnRecord_Test()
+    {
+        //Arrange
+        var fio = "fio";
+        var record = new EmployeeDataModel(Guid.NewGuid().ToString(), fio, "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false);
+        _employeeStorageContract.Setup(x => x.GetElementByFIO(fio)).Returns(record);
+        //Act
+        var element = _employeeBusinessLogicContract.GetEmployeeByData(fio);
+        //Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Name, Is.EqualTo(fio));
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetEmployeeByData_GetByPhoneNumber_ReturnRecord_Test()
+    {
+        //Arrange
+        var phoneNumber = "+7-111-111-11-11";
+        var record = new EmployeeDataModel(Guid.NewGuid().ToString(), "fio", phoneNumber, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false);
+  
+        //Act
+        var element = _employeeBusinessLogicContract.GetEmployeeByData(phoneNumber);
+        //Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Phone, Is.EqualTo(phoneNumber));;
+    }
+
+    [Test]
+    public void GetEmployeeByData_EmptyData_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Never);
+      
+    }
+
+    [Test]
+    public void GetEmployeeByData_GetById_NotFoundRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Never);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetEmployeeByData_GetByFio_NotFoundRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData("fio"), Throws.TypeOf<ElementNotFoundException>());
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Once);
+
+    }
+
+    [Test]
+    public void GetEmployeeByData_GetByPhoneNumber_NotFoundRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData("+7-111-111-11-12"), Throws.TypeOf<ElementNotFoundException>());
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetEmployeeByData_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        _employeeStorageContract.Setup(x => x.GetElementByFIO(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData("fio"), Throws.TypeOf<StorageException>());
+        Assert.That(() => _employeeBusinessLogicContract.GetEmployeeByData("+7-111-111-11-12"), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+        _employeeStorageContract.Verify(x => x.GetElementByFIO(It.IsAny<string>()), Times.Once);
+
+    }
+
+    [Test]
+    public void InsertEmployee_CorrectRecord_Test()
+    {
+        //Arrange
+        var flag = false;
+        var record = new EmployeeDataModel(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false);
+        _employeeStorageContract.Setup(x => x.AddElement(It.IsAny<EmployeeDataModel>()))
+            .Callback((EmployeeDataModel x) =>
+            {
+                flag = x.Id == record.Id && x.Name == record.Name && x.Phone == record.Phone && x.PostId == record.PostId && x.Dateofbirth== record.Dateofbirth &&
+                    x.EmploymentDate == record.EmploymentDate && x.IsDeleted == record.IsDeleted;
+            });
+        //Act
+        _employeeBusinessLogicContract.InsertEmployee(record);
+        //Assert
+        _employeeStorageContract.Verify(x => x.AddElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+        Assert.That(flag);
+    }
+
+    [Test]
+    public void InsertEmployee_RecordWithExistsData_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.AddElement(It.IsAny<EmployeeDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.InsertEmployee(new(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<ElementExistsException>());
+        _employeeStorageContract.Verify(x => x.AddElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertEmployee_NullRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.InsertEmployee(null), Throws.TypeOf<ArgumentNullException>());
+        _employeeStorageContract.Verify(x => x.AddElement(It.IsAny<EmployeeDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertEmployee_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.InsertEmployee(new EmployeeDataModel("id", "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<ValidationException>());
+        _employeeStorageContract.Verify(x => x.AddElement(It.IsAny<EmployeeDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertEmployee_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.AddElement(It.IsAny<EmployeeDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.InsertEmployee(new(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.AddElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateEmployee_CorrectRecord_Test()
+    {
+        //Arrange
+        var flag = false;
+        var record = new EmployeeDataModel(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false);
+        _employeeStorageContract.Setup(x => x.UpdElement(It.IsAny<EmployeeDataModel>()))
+            .Callback((EmployeeDataModel x) =>
+            {
+                flag = x.Id == record.Id && x.Name == record.Name && x.Phone == record.Phone && x.PostId == record.PostId && x.Dateofbirth== record.Dateofbirth&&
+                    x.EmploymentDate == record.EmploymentDate && x.IsDeleted == record.IsDeleted;
+            });
+        //Act
+        _employeeBusinessLogicContract.UpdateEmployee(record);
+        //Assert
+        _employeeStorageContract.Verify(x => x.UpdElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+        Assert.That(flag);
+    }
+
+    [Test]
+    public void UpdateEmployee_RecordWithIncorrectData_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.UpdElement(It.IsAny<EmployeeDataModel>())).Throws(new ElementNotFoundException(""));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.UpdateEmployee(new(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<ElementNotFoundException>());
+        _employeeStorageContract.Verify(x => x.UpdElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void UpdateEmployee_NullRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.UpdateEmployee(null), Throws.TypeOf<ArgumentNullException>());
+        _employeeStorageContract.Verify(x => x.UpdElement(It.IsAny<EmployeeDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateEmployee_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.UpdateEmployee(new EmployeeDataModel("id", "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<ValidationException>());
+        _employeeStorageContract.Verify(x => x.UpdElement(It.IsAny<EmployeeDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void UpdateEmployee_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.UpdElement(It.IsAny<EmployeeDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.UpdateEmployee(new(Guid.NewGuid().ToString(), "fio", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(-1), DateTime.Now, false)), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.UpdElement(It.IsAny<EmployeeDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void DeleteEmployee_CorrectRecord_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        var flag = false;
+        _employeeStorageContract.Setup(x => x.DelElement(It.Is((string x) => x == id))).Callback(() => { flag = true; });
+        //Act
+        _employeeBusinessLogicContract.DeleteEmployee(id);
+        //Assert
+        _employeeStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+        Assert.That(flag);
+    }
+
+    [Test]
+    public void DeleteEmployee_RecordWithIncorrectId_ThrowException_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        _employeeStorageContract.Setup(x => x.DelElement(It.Is((string x) => x != id))).Throws(new ElementNotFoundException(id));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.DeleteEmployee(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _employeeStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void DeleteWorker_IdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.DeleteEmployee(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _employeeBusinessLogicContract.DeleteEmployee(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _employeeStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void DeleteEmployee_IdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.DeleteEmployee("id"), Throws.TypeOf<ValidationException>());
+        _employeeStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void DeleteEmployee_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _employeeStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _employeeBusinessLogicContract.DeleteEmployee(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        _employeeStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+}
+
+
+
+
+
+
+
+
+

HamContract/HamTests/BusinessLogicContrectTests/Meat_ProductBusinessLogicContractTest.cs

@@ -0,0 +1,413 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HamBusinessLogic.Implementations;
+using HamContract.BusinessLogicContract;
+using HamContract.DataModels;
+using HamContract.Enums;
+using HamContract.Exceptions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace HamTests.BusinessLogicContrectTests
+{
+
+        [TestFixture]
+        internal class ProductMeat_ProductBusinessLogicContractTests
+    {
+            private IMeat_ProductBusinessLogicContract _productBusinessLogicContract;
+            private Mock<IMeat_productStorageContract> _productStorageContract;
+
+            [OneTimeSetUp]
+            public void OneTimeSetUp()
+            {
+                _productStorageContract = new Mock<IMeat_productStorageContract>();
+                _productBusinessLogicContract = new Meat_ProductBusinessLogicContract(_productStorageContract.Object, new Mock<ILogger>().Object);
+            }
+
+            [SetUp]
+            public void SetUp()
+            {
+                _productStorageContract.Reset();
+            }
+
+            [Test]
+            public void GetAllProducts_ReturnListOfRecords_Test()
+            {
+                //Arrange
+                var listOriginal = new List<Meat_productDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), "name 1", ProductType.None, 10, false),
+            new(Guid.NewGuid().ToString(), "name 2", ProductType.None, 10, true),
+            new(Guid.NewGuid().ToString(), "name 3", ProductType.None, 10, false),
+        };
+                _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Returns(listOriginal);
+                //Act
+                var listOnlyActive = _productBusinessLogicContract.GetAllProducts(true);
+                var list = _productBusinessLogicContract.GetAllProducts(false);
+                //Assert
+                Assert.Multiple(() =>
+                {
+                    Assert.That(listOnlyActive, Is.Not.Null);
+                    Assert.That(list, Is.Not.Null);
+                    Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+                    Assert.That(list, Is.EquivalentTo(listOriginal));
+                });
+                _productStorageContract.Verify(x => x.GetList(true), Times.Once);
+                _productStorageContract.Verify(x => x.GetList(false), Times.Once);
+            }
+
+            [Test]
+            public void GetAllProducts_ReturnEmptyList_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Returns([]);
+                //Act
+                var listOnlyActive = _productBusinessLogicContract.GetAllProducts(true);
+                var list = _productBusinessLogicContract.GetAllProducts(false);
+                //Assert
+                Assert.Multiple(() =>
+                {
+                    Assert.That(listOnlyActive, Is.Not.Null);
+                    Assert.That(list, Is.Not.Null);
+                    Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+                    Assert.That(list, Has.Count.EqualTo(0));
+                });
+                _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Exactly(2));
+            }
+
+            [Test]
+            public void GetAllProducts_ReturnNull_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetAllProducts(It.IsAny<bool>()), Throws.TypeOf<NullListException>());
+                _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Once);
+            }
+
+            [Test]
+            public void GetAllProducts_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.GetList(It.IsAny<bool>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetAllProducts(It.IsAny<bool>()), Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.GetList(It.IsAny<bool>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductHistoryByProduct_ReturnListOfRecords_Test()
+            {
+                //Arrange
+                var productId = Guid.NewGuid().ToString();
+                var listOriginal = new List<HistoryDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), 10),
+            new(Guid.NewGuid().ToString(), 15),
+            new(Guid.NewGuid().ToString(), 10),
+        };
+                _productStorageContract.Setup(x => x.GetHistoryByProductId(It.IsAny<string>())).Returns(listOriginal);
+                //Act
+                var list = _productBusinessLogicContract.GetProductHistoryByProduct(productId);
+                //Assert
+                Assert.That(list, Is.Not.Null);
+                Assert.That(list, Is.EquivalentTo(listOriginal));
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(productId), Times.Once);
+            }
+
+            [Test]
+            public void GetProductHistoryByProduct_ReturnEmptyList_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.GetHistoryByProductId(It.IsAny<string>())).Returns([]);
+                //Act
+                var list = _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString());
+                //Assert
+                Assert.That(list, Is.Not.Null);
+                Assert.That(list, Has.Count.EqualTo(0));
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void
+            GetProductHistoryByProduct_ProductIdIsNullOrEmpty_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductHistoryByProduct(null), Throws.TypeOf<ArgumentNullException>());
+                Assert.That(() => _productBusinessLogicContract.GetProductHistoryByProduct(string.Empty), Throws.TypeOf<ArgumentNullException>());
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(It.IsAny<string>()), Times.Never);
+            }
+
+            [Test]
+            public void GetProductHistoryByProduct_ProductIdIsNotGuid_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductHistoryByProduct("productId"), Throws.TypeOf<ValidationException>());
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(It.IsAny<string>()), Times.Never);
+            }
+
+            [Test]
+            public void GetProductHistoryByProduct_ReturnNull_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString()), Throws.TypeOf<NullListException>());
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductHistoryByProduct_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.GetHistoryByProductId(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductHistoryByProduct(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.GetHistoryByProductId(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductByData_GetById_ReturnRecord_Test()
+            {
+                //Arrange
+                var id = Guid.NewGuid().ToString();
+                var record = new Meat_productDataModel(id, "name", ProductType.None, 10, false);
+                _productStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
+                //Act
+                var element = _productBusinessLogicContract.GetProductByData(id);
+                //Assert
+                Assert.That(element, Is.Not.Null);
+                Assert.That(element.Id, Is.EqualTo(id));
+                _productStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductByData_GetByName_ReturnRecord_Test()
+            {
+                //Arrange
+                var name = "name";
+                var record = new Meat_productDataModel(Guid.NewGuid().ToString(), name, ProductType.None, 10, false);
+                _productStorageContract.Setup(x => x.GetElementByName(name)).Returns(record);
+                //Act
+                var element = _productBusinessLogicContract.GetProductByData(name);
+                //Assert
+                Assert.That(element, Is.Not.Null);
+                Assert.That(element.ProductName, Is.EqualTo(name));
+                _productStorageContract.Verify(x => x.GetElementByName(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductByData_EmptyData_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductByData(null), Throws.TypeOf<ArgumentNullException>());
+                Assert.That(() => _productBusinessLogicContract.GetProductByData(string.Empty), Throws.TypeOf<ArgumentNullException>());
+                _productStorageContract.Verify(x => x.GetElementByName(It.IsAny<string>()), Times.Never);
+                _productStorageContract.Verify(x => x.GetElementByName(It.IsAny<string>()), Times.Never);
+            }
+
+            [Test]
+            public void GetProductByData_GetById_NotFoundRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductByData(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+                _productStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductByData_GetByName_NotFoundRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductByData("name"), Throws.TypeOf<ElementNotFoundException>());
+                _productStorageContract.Verify(x => x.GetElementByName(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void GetProductByData_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+                _productStorageContract.Setup(x => x.GetElementByName(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.GetProductByData(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+                Assert.That(() => _productBusinessLogicContract.GetProductByData("name"), Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+                _productStorageContract.Verify(x => x.GetElementByName(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void InsertProduct_CorrectRecord_Test()
+            {
+                //Arrange
+                var flag = false;
+                var record = new Meat_productDataModel(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false);
+                _productStorageContract.Setup(x => x.AddElement(It.IsAny<Meat_productDataModel>()))
+                    .Callback((Meat_productDataModel x) =>
+                    {
+                        flag = x.Id == record.Id && x.ProductName == record.ProductName && x.ProductType == record.ProductType
+                        && x.Price == record.Price && x.IsDeleted == record.IsDeleted;
+                    });
+                //Act
+                _productBusinessLogicContract.InsertProduct(record);
+                //Assert
+                _productStorageContract.Verify(x => x.AddElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+                Assert.That(flag);
+            }
+
+            [Test]
+            public void InsertProduct_RecordWithExistsData_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.AddElement(It.IsAny<Meat_productDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.InsertProduct(new(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false)), Throws.TypeOf<ElementExistsException>());
+                _productStorageContract.Verify(x => x.AddElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+            }
+
+            [Test]
+            public void InsertProduct_NullRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.InsertProduct(null), Throws.TypeOf<ArgumentNullException>());
+                _productStorageContract.Verify(x => x.AddElement(It.IsAny<Meat_productDataModel>()), Times.Never);
+            }
+
+            [Test]
+            public void InsertProduct_InvalidRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.InsertProduct(new Meat_productDataModel("id", "name", ProductType.None, 10, false)), Throws.TypeOf<ValidationException>());
+                _productStorageContract.Verify(x => x.AddElement(It.IsAny<Meat_productDataModel>()), Times.Never);
+            }
+
+            [Test]
+            public void InsertProduct_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.AddElement(It.IsAny<Meat_productDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.InsertProduct(new(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false)),
+                Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.AddElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+            }
+
+            [Test]
+            public void UpdateProduct_CorrectRecord_Test()
+            {
+                //Arrange
+                var flag = false;
+                var record = new Meat_productDataModel(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false);
+                _productStorageContract.Setup(x => x.UpdElement(It.IsAny<Meat_productDataModel>()))
+                    .Callback((Meat_productDataModel x) =>
+                    {
+                        flag = x.Id == record.Id && x.ProductName == record.ProductName && x.ProductType == record.ProductType
+                        && x.Price == record.Price && x.IsDeleted == record.IsDeleted;
+                    });
+                //Act
+                _productBusinessLogicContract.UpdateProduct(record);
+                //Assert
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+                Assert.That(flag);
+            }
+
+            [Test]
+            public void UpdateProduct_RecordWithIncorrectData_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.UpdElement(It.IsAny<Meat_productDataModel>())).Throws(new ElementNotFoundException(""));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false)), Throws.TypeOf<ElementNotFoundException>());
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+            }
+
+            [Test]
+            public void UpdateProduct_RecordWithExistsData_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.UpdElement(It.IsAny<Meat_productDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(), "anme", ProductType.None, 10, false)), Throws.TypeOf<ElementExistsException>());
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+            }
+
+            [Test]
+            public void UpdateProduct_NullRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.UpdateProduct(null), Throws.TypeOf<ArgumentNullException>());
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Never);
+            }
+
+            [Test]
+            public void UpdateProduct_InvalidRecord_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.UpdateProduct(new Meat_productDataModel("id", "name", ProductType.None, 10, false)), Throws.TypeOf<ValidationException>());
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Never);
+            }
+
+            [Test]
+            public void UpdateProduct_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.UpdElement(It.IsAny<Meat_productDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.UpdateProduct(new(Guid.NewGuid().ToString(), "name", ProductType.None, 10, false)), Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.UpdElement(It.IsAny<Meat_productDataModel>()), Times.Once);
+            }
+
+            [Test]
+            public void DeleteProduct_CorrectRecord_Test()
+            {
+                //Arrange
+                var id = Guid.NewGuid().ToString();
+                var flag = false;
+                _productStorageContract.Setup(x => x.DelElement(It.Is((string x) => x == id))).Callback(() => { flag = true; });
+                //Act
+                _productBusinessLogicContract.DeleteProduct(id);
+                //Assert
+                _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+                Assert.That(flag);
+            }
+
+            [Test]
+            public void DeleteProduct_RecordWithIncorrectId_ThrowException_Test()
+            {
+                //Arrange
+                var id = Guid.NewGuid().ToString();
+                _productStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.DeleteProduct(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+                _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+            }
+
+            [Test]
+            public void DeleteProduct_IdIsNullOrEmpty_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.DeleteProduct(null), Throws.TypeOf<ArgumentNullException>());
+                Assert.That(() => _productBusinessLogicContract.DeleteProduct(string.Empty), Throws.TypeOf<ArgumentNullException>());
+                _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+            }
+
+            [Test]
+            public void DeleteProduct_IdIsNotGuid_ThrowException_Test()
+            {
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.DeleteProduct("id"), Throws.TypeOf<ValidationException>());
+                _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+            }
+
+            [Test]
+            public void DeleteProduct_StorageThrowError_ThrowException_Test()
+            {
+                //Arrange
+                _productStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+                //Act&Assert
+                Assert.That(() => _productBusinessLogicContract.DeleteProduct(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+                _productStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+            }
+
+        }
+    }

HamContract/HamTests/BusinessLogicContrectTests/PostBusinessLogicContractTest.cs

@@ -0,0 +1,567 @@
+using System.ComponentModel.DataAnnotations;
+using HamBusinessLogic.Implementations;
+using HamContract.DataModels;
+using HamContract.Enums;
+using HamContract.Exceptions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace HamTests.BusinessLogicContrectTests;
+
+
+[TestFixture]
+internal class PostBusinessLogicContractTest
+{
+  
+        private PostBusinessLogicContract _postBusinessLogicContract;
+        private Mock<IPostStorageContract> _postStorageContract;
+        [OneTimeSetUp]
+        public void OneTimeSetUp()
+        {
+            _postStorageContract = new Mock<IPostStorageContract>();
+            _postBusinessLogicContract = new PostBusinessLogicContract(_postStorageContract.Object, new Mock<ILogger>().Object);
+        }
+        [SetUp]
+        public void SetUp()
+        {
+            _postStorageContract.Reset();
+        }
+        [Test]
+        public void GetAllPosts_ReturnListOfRecords_Test()
+        {
+            //Arrange
+            var listOriginal = new List<PostDataModel>()
+                {
+                new(Guid.NewGuid().ToString(),"name 1", PostType.None, true, DateTime.UtcNow),
+                new(Guid.NewGuid().ToString(), "name 2", PostType.None, false, DateTime.UtcNow),
+                new(Guid.NewGuid().ToString(), "name 3", PostType.None, true, DateTime.UtcNow),
+                };
+            _postStorageContract.Setup(x =>
+            x.GetList(It.IsAny<bool>())).Returns(listOriginal);
+            //Act
+            var listOnlyActive = _postBusinessLogicContract.GetAllPosts(true);
+            var listAll = _postBusinessLogicContract.GetAllPosts(false);
+            //Assert
+            Assert.Multiple(() =>
+            {
+                Assert.That(listOnlyActive, Is.Not.Null);
+                Assert.That(listAll, Is.Not.Null);
+                Assert.That(listOnlyActive, Is.EquivalentTo(listOriginal));
+                Assert.That(listAll, Is.EquivalentTo(listOriginal));
+            });
+            _postStorageContract.Verify(x => x.GetList(true), Times.Once);
+            _postStorageContract.Verify(x => x.GetList(false), Times.Once);
+        }
+        [Test]
+        public void GetAllPosts_ReturnEmptyList_Test()
+        {
+        //Arrange
+_postStorageContract.Setup(x =>
+x.GetList(It.IsAny<bool>())).Returns([]);
+            //Act
+            var listOnlyActive = _postBusinessLogicContract.GetAllPosts(true);
+            var listAll = _postBusinessLogicContract.GetAllPosts(false);
+            //Assert
+            Assert.Multiple(() =>
+            {
+                Assert.That(listOnlyActive, Is.Not.Null);
+                Assert.That(listAll, Is.Not.Null);
+                Assert.That(listOnlyActive, Has.Count.EqualTo(0));
+                Assert.That(listAll, Has.Count.EqualTo(0));
+            });
+            _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()),
+            Times.Exactly(2));
+        }
+        [Test]
+        public void GetAllPosts_ReturnNull_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()),
+            Throws.TypeOf<NullListException>());
+            _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()),
+            Times.Once);
+        }
+        [Test]
+        public void GetAllPosts_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.GetList(It.IsAny<bool>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.GetAllPosts(It.IsAny<bool>()),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x => x.GetList(It.IsAny<bool>()),
+            Times.Once);
+        }
+        [Test]
+        public void GetAllDataOfPost_ReturnListOfRecords_Test()
+        {
+            //Arrange
+            var postId = Guid.NewGuid().ToString();
+            var listOriginal = new List<PostDataModel>()
+{
+new(postId, "name 1", PostType.None,true,
+DateTime.UtcNow),
+new(postId, "name 2", PostType.None, false,
+DateTime.UtcNow)
+};
+            _postStorageContract.Setup(x =>
+            x.GetPostWithHistory(It.IsAny<string>())).Returns(listOriginal);
+            //Act
+            var list = _postBusinessLogicContract.GetAllDataOfPost(postId);
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Has.Count.EqualTo(2));
+            
+        _postStorageContract.Verify(x => x.GetPostWithHistory(postId),
+        Times.Once);
+        }
+        [Test]
+        public void GetAllDataOfPost_ReturnEmptyList_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.GetPostWithHistory(It.IsAny<string>())).Returns([]);
+            //Act
+            var list =
+            _postBusinessLogicContract.GetAllDataOfPost(Guid.NewGuid().ToString());
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Has.Count.EqualTo(0));
+            _postStorageContract.Verify(x =>
+            x.GetPostWithHistory(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetAllDataOfPost_PostIdIsNullOrEmpty_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.GetAllDataOfPost(null),
+            Throws.TypeOf<ArgumentNullException>());
+            Assert.That(() =>
+            _postBusinessLogicContract.GetAllDataOfPost(string.Empty),
+            Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x =>
+            x.GetPostWithHistory(It.IsAny<string>()), Times.Never);
+        }
+        [Test]
+        public void GetAllDataOfPost_PostIdIsNotGuid_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.GetAllDataOfPost("id"),
+            Throws.TypeOf<ValidationException>());
+            _postStorageContract.Verify(x =>
+            x.GetPostWithHistory(It.IsAny<string>()), Times.Never);
+        }
+        [Test]
+        public void GetAllDataOfPost_ReturnNull_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.GetAllDataOfPost(Guid.NewGuid().ToString()),
+            Throws.TypeOf<NullListException>());
+            _postStorageContract.Verify(x =>
+            x.GetPostWithHistory(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetAllDataOfPost_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.GetPostWithHistory(It.IsAny<string>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+
+        Assert.That(() =>
+        _postBusinessLogicContract.GetAllDataOfPost(Guid.NewGuid().ToString()),
+        Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x =>
+            x.GetPostWithHistory(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetPostByData_GetById_ReturnRecord_Test()
+        {
+            //Arrange
+            var id = Guid.NewGuid().ToString();
+            var record = new PostDataModel(id, "name", PostType.None,
+            true, DateTime.UtcNow);
+            _postStorageContract.Setup(x =>
+            x.GetElementById(id)).Returns(record);
+            //Act
+            var element = _postBusinessLogicContract.GetPostByData(id);
+            //Assert
+            Assert.That(element, Is.Not.Null);
+            Assert.That(element.Id, Is.EqualTo(id));
+            _postStorageContract.Verify(x =>
+            x.GetElementById(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetPostByData_GetByName_ReturnRecord_Test()
+        {
+            //Arrange
+            var postName = "name";
+            var record = new PostDataModel(Guid.NewGuid().ToString(), postName,
+            PostType.None, true, DateTime.UtcNow);
+            _postStorageContract.Setup(x =>
+            x.GetElementByName(postName)).Returns(record);
+            //Act
+            var element = _postBusinessLogicContract.GetPostByData(postName);
+            //Assert
+            Assert.That(element, Is.Not.Null);
+            Assert.That(element.PostName, Is.EqualTo(postName));
+            _postStorageContract.Verify(x =>
+            x.GetElementByName(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetPostByData_EmptyData_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.GetPostByData(null),
+            Throws.TypeOf<ArgumentNullException>());
+            Assert.That(() =>
+            _postBusinessLogicContract.GetPostByData(string.Empty),
+            Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x =>
+            x.GetElementById(It.IsAny<string>()), Times.Never);
+            _postStorageContract.Verify(x =>
+            x.GetElementByName(It.IsAny<string>()), Times.Never);
+        }
+        [Test]
+        public void GetPostByData_GetById_NotFoundRecord_ThrowException_Test()
+        {
+            //Act&Assert
+     
+          Assert.That(() =>
+        _postBusinessLogicContract.GetPostByData(Guid.NewGuid().ToString()),
+        Throws.TypeOf<ElementNotFoundException>());
+            _postStorageContract.Verify(x =>
+            x.GetElementById(It.IsAny<string>()), Times.Once);
+            _postStorageContract.Verify(x =>
+            x.GetElementByName(It.IsAny<string>()), Times.Never);
+        }
+        [Test]
+        public void GetPostByData_GetByName_NotFoundRecord_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.GetPostByData("name"),
+            Throws.TypeOf<ElementNotFoundException>());
+            _postStorageContract.Verify(x =>
+            x.GetElementById(It.IsAny<string>()), Times.Never);
+            _postStorageContract.Verify(x =>
+            x.GetElementByName(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void GetPostByData_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            _postStorageContract.Setup(x =>
+            x.GetElementByName(It.IsAny<string>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.GetPostByData(Guid.NewGuid().ToString()),
+            Throws.TypeOf<StorageException>());
+            Assert.That(() => _postBusinessLogicContract.GetPostByData("name"),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x =>
+            x.GetElementById(It.IsAny<string>()), Times.Once);
+            _postStorageContract.Verify(x =>
+            x.GetElementByName(It.IsAny<string>()), Times.Once);
+        }
+        [Test]
+        public void InsertPost_CorrectRecord_Test()
+        {
+            //Arrange
+            var flag = false;
+            var record = new PostDataModel(Guid.NewGuid().ToString(), "name",
+            PostType.None, true, DateTime.UtcNow.AddDays(-1));
+            _postStorageContract.Setup(x =>
+            x.AddElement(It.IsAny<PostDataModel>()))
+            .Callback((PostDataModel x) =>
+            {
+                flag = x.Id == record.Id && x.PostName ==
+record.PostName && x.PostType == record.PostType  &&
+x.ChangeDate == record.ChangeDate;
+            });
+            //Act
+            _postBusinessLogicContract.InsertPost(record);
+            //Assert
+            _postStorageContract.Verify(x =>
+            x.AddElement(It.IsAny<PostDataModel>()), Times.Once);
+            Assert.That(flag);
+         
+        }
+        [Test]
+        public void InsertPost_RecordWithExistsData_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.AddElement(It.IsAny<PostDataModel>())).Throws(new
+            ElementExistsException("Data", "Data"));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name",
+            PostType.None, true, DateTime.UtcNow)),
+            Throws.TypeOf<ElementExistsException>());
+            _postStorageContract.Verify(x =>
+            x.AddElement(It.IsAny<PostDataModel>()), Times.Once);
+        }
+        [Test]
+        public void InsertPost_NullRecord_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.InsertPost(null),
+            Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x =>
+            x.AddElement(It.IsAny<PostDataModel>()), Times.Never);
+        }
+        [Test]
+        public void InsertPost_InvalidRecord_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.InsertPost(new
+            PostDataModel("id", "name", PostType.None, true, DateTime.UtcNow)),
+            Throws.TypeOf<ValidationException>());
+            _postStorageContract.Verify(x =>
+            x.AddElement(It.IsAny<PostDataModel>()), Times.Never);
+        }
+        [Test]
+        public void InsertPost_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.AddElement(It.IsAny<PostDataModel>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.InsertPost(new(Guid.NewGuid().ToString(), "name",
+            PostType.None, true, DateTime.UtcNow)),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x =>
+            x.AddElement(It.IsAny<PostDataModel>()), Times.Once);
+        }
+        [Test]
+        public void UpdatePost_CorrectRecord_Test()
+        {
+            //Arrange
+            var flag = false;
+            var record = new PostDataModel(Guid.NewGuid().ToString(), "name",
+            PostType.None,true, DateTime.UtcNow.AddDays(-1));
+            _postStorageContract.Setup(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()))
+
+        .Callback((PostDataModel x) =>
+        {
+            flag = x.Id == record.Id && x.PostName ==
+record.PostName && x.PostType == record.PostType &&
+x.ChangeDate == record.ChangeDate;
+        });
+            //Act
+            _postBusinessLogicContract.UpdatePost(record);
+            //Assert
+            _postStorageContract.Verify(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
+            Assert.That(flag);
+        }
+        [Test]
+        public void UpdatePost_RecordWithIncorrectData_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.UpdElement(It.IsAny<PostDataModel>())).Throws(new
+            ElementNotFoundException(""));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name",
+            PostType.None,true, DateTime.UtcNow)),
+            Throws.TypeOf<ElementNotFoundException>());
+            _postStorageContract.Verify(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
+        }
+        [Test]
+        public void UpdatePost_RecordWithExistsData_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.UpdElement(It.IsAny<PostDataModel>())).Throws(new
+            ElementExistsException("Data", "Data"));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "anme",
+            PostType.None,true, DateTime.UtcNow)),
+            Throws.TypeOf<ElementExistsException>());
+            _postStorageContract.Verify(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
+        }
+        [Test]
+        public void UpdatePost_NullRecord_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.UpdatePost(null),
+            Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()), Times.Never);
+        }
+        [Test]
+        public void UpdatePost_InvalidRecord_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.UpdatePost(new
+            PostDataModel("id", "name", PostType.None, true, DateTime.UtcNow)),
+            Throws.TypeOf<ValidationException>());
+        
+        _postStorageContract.Verify(x =>
+        x.UpdElement(It.IsAny<PostDataModel>()), Times.Never);
+        }
+        [Test]
+        public void UpdatePost_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.UpdElement(It.IsAny<PostDataModel>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.UpdatePost(new(Guid.NewGuid().ToString(), "name",
+            PostType.None ,true, DateTime.UtcNow)),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x =>
+            x.UpdElement(It.IsAny<PostDataModel>()), Times.Once);
+        }
+        [Test]
+        public void DeletePost_CorrectRecord_Test()
+        {
+            //Arrange
+            var id = Guid.NewGuid().ToString();
+            var flag = false;
+            _postStorageContract.Setup(x => x.DelElement(It.Is((string x) => x ==
+            id))).Callback(() => { flag = true; });
+            //Act
+            _postBusinessLogicContract.DeletePost(id);
+            //Assert
+            _postStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
+            Times.Once);
+            Assert.That(flag);
+        }
+        [Test]
+        public void DeletePost_RecordWithIncorrectId_ThrowException_Test()
+        {
+            //Arrange
+            var id = Guid.NewGuid().ToString();
+            _postStorageContract.Setup(x =>
+            x.DelElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.DeletePost(Guid.NewGuid().ToString()),
+            Throws.TypeOf<ElementNotFoundException>());
+            _postStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
+            Times.Once);
+        }
+        [Test]
+        public void DeletePost_IdIsNullOrEmpty_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.DeletePost(null),
+            Throws.TypeOf<ArgumentNullException>());
+            Assert.That(() =>
+            _postBusinessLogicContract.DeletePost(string.Empty),
+            Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
+            Times.Never);
+        }
+
+[Test]
+        public void DeletePost_IdIsNotGuid_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.DeletePost("id"),
+            Throws.TypeOf<ValidationException>());
+            _postStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
+            Times.Never);
+        }
+        [Test]
+        public void DeletePost_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.DelElement(It.IsAny<string>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.DeletePost(Guid.NewGuid().ToString()),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x => x.DelElement(It.IsAny<string>()),
+            Times.Once);
+        }
+        [Test]
+        public void RestorePost_CorrectRecord_Test()
+        {
+            //Arrange
+            var id = Guid.NewGuid().ToString();
+            var flag = false;
+            _postStorageContract.Setup(x => x.ResElement(It.Is((string x) => x ==
+            id))).Callback(() => { flag = true; });
+            //Act
+            _postBusinessLogicContract.RestorePost(id);
+            //Assert
+            _postStorageContract.Verify(x => x.ResElement(It.IsAny<string>()),
+            Times.Once);
+            Assert.That(flag);
+        }
+        [Test]
+        public void RestorePost_RecordWithIncorrectId_ThrowException_Test()
+        {
+            //Arrange
+            var id = Guid.NewGuid().ToString();
+            _postStorageContract.Setup(x =>
+            x.ResElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.RestorePost(Guid.NewGuid().ToString()),
+            Throws.TypeOf<ElementNotFoundException>());
+            _postStorageContract.Verify(x => x.ResElement(It.IsAny<string>()),
+            Times.Once);
+        }
+        [Test]
+        public void RestorePost_IdIsNullOrEmpty_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.RestorePost(null),
+            Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() =>
+        _postBusinessLogicContract.RestorePost(string.Empty),
+        Throws.TypeOf<ArgumentNullException>());
+            _postStorageContract.Verify(x => x.ResElement(It.IsAny<string>()),
+            Times.Never);
+        }
+        [Test]
+        public void RestorePost_IdIsNotGuid_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _postBusinessLogicContract.RestorePost("id"),
+            Throws.TypeOf<ValidationException>());
+            _postStorageContract.Verify(x => x.ResElement(It.IsAny<string>()),
+            Times.Never);
+        }
+        [Test]
+        public void RestorePost_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _postStorageContract.Setup(x =>
+            x.ResElement(It.IsAny<string>())).Throws(new StorageException(new
+            InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() =>
+            _postBusinessLogicContract.RestorePost(Guid.NewGuid().ToString()),
+            Throws.TypeOf<StorageException>());
+            _postStorageContract.Verify(x => x.ResElement(It.IsAny<string>()),
+            Times.Once);
+        }
+    }
+

HamContract/HamTests/BusinessLogicContrectTests/SalaryBusinessLogicContractTest.cs

@@ -0,0 +1,355 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HamBusinessLogic.Implementations;
+using HamContract.DataModels;
+using HamContract.Enums;
+using HamContract.Exceptions;
+using HamContract.StorageContracts;
+using Microsoft.Extensions.Logging;
+using Moq;
+
+namespace HamTests.BusinessLogicContrectTests
+{
+    [TestFixture]
+    internal class SalaryBusinessLogicContractTest
+    {
+        private SalaryBusinessLogicContract _salaryBusinessLogicContract;
+        private Mock<ISalaryStorageContract> _salaryStorageContract;
+        private Mock<ISaleStorageContract> _saleStorageContract;
+        private Mock<IPostStorageContract> _postStorageContract;
+        private Mock<IEmployeeStorageContract> _employeeStorageContract;
+
+        [OneTimeSetUp]
+        public void OneTimeSetUp()
+        {
+            _salaryStorageContract = new Mock<ISalaryStorageContract>();
+            _saleStorageContract = new Mock<ISaleStorageContract>();
+            _postStorageContract = new Mock<IPostStorageContract>();
+            _employeeStorageContract = new Mock<IEmployeeStorageContract>();
+            _salaryBusinessLogicContract = new SalaryBusinessLogicContract();
+        }
+
+        [SetUp]
+        public void SetUp()
+        {
+            _salaryStorageContract.Reset();
+            _saleStorageContract.Reset();
+            _postStorageContract.Reset();
+            _employeeStorageContract.Reset();
+        }
+
+        [Test]
+        public void GetAllSalaries_ReturnListOfRecords_Test()
+        {
+            //Arrange
+            var startDate = DateTime.UtcNow;
+            var endDate = DateTime.UtcNow.AddDays(1);
+            var listOriginal = new List<SalaryDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow, 10),
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow.AddDays(1), 14),
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow.AddDays(-1), 30),
+        };
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Returns(listOriginal);
+            //Act
+            var list = _salaryBusinessLogicContract.GetAllSalariesByPeriod(startDate, endDate);
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+            _salaryStorageContract.Verify(x => x.GetList(startDate, endDate, null), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalaries_ReturnEmptyList_Test()
+        {
+            //Arrange
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Returns([]);
+            //Act
+            var list = _salaryBusinessLogicContract.GetAllSalariesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1));
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Has.Count.EqualTo(0));
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalaries_IncorrectDates_ThrowException_Test()
+        {
+            //Arrange
+            var dateTime = DateTime.UtcNow;
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriod(dateTime, dateTime), Throws.TypeOf<IncorrectDatesException>());
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriod(dateTime, dateTime.AddSeconds(-1)), Throws.TypeOf<IncorrectDatesException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Never);
+        }
+
+        [Test]
+        public void GetAllSalaries_ReturnNull_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<NullListException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalaries_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<StorageException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_ReturnListOfRecords_Test()
+        {
+            //Arrange
+            var startDate = DateTime.UtcNow;
+            var endDate = DateTime.UtcNow.AddDays(1);
+            var employeeId = Guid.NewGuid().ToString();
+            var listOriginal = new List<SalaryDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow, 10),
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow.AddDays(1), 14),
+            new(Guid.NewGuid().ToString(), DateTime.UtcNow.AddDays(-1), 30),
+        };
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Returns(listOriginal);
+            //Act
+            var list = _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(startDate, endDate, employeeId);
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Is.EquivalentTo(listOriginal));
+            _salaryStorageContract.Verify(x => x.GetList(startDate, endDate, employeeId), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_ReturnEmptyList_Test()
+        {
+            //Arrange
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Returns([]);
+            //Act
+            var list = _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), Guid.NewGuid().ToString());
+            //Assert
+            Assert.That(list, Is.Not.Null);
+            Assert.That(list, Has.Count.EqualTo(0));
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_IncorrectDates_ThrowException_Test()
+        {
+            //Arrange
+            var dateTime = DateTime.UtcNow;
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(dateTime, dateTime, Guid.NewGuid().ToString()), Throws.TypeOf<IncorrectDatesException>());
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(dateTime, dateTime.AddSeconds(-1), Guid.NewGuid().ToString()), Throws.TypeOf<IncorrectDatesException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Never);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_EmployeeIdIsNUllOrEmpty_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), null), Throws.TypeOf<ArgumentNullException>());
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), string.Empty), Throws.TypeOf<ArgumentNullException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Never);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_EmployeeIdIsNotGuid_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), "workerId"), Throws.TypeOf<ValidationException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Never);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_ReturnNull_ThrowException_Test()
+        {
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), Guid.NewGuid().ToString()), Throws.TypeOf<NullListException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void GetAllSalariesByEmployee_StorageThrowError_ThrowException_Test()
+        {
+            //Arrange
+            _salaryStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.GetAllSalariesByPeriodByEmployee(DateTime.UtcNow, DateTime.UtcNow.AddDays(1), Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+            _salaryStorageContract.Verify(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>()), Times.Once);
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_CalculateSalary_Test()
+        {
+            //Arrange
+            var employeeId = Guid.NewGuid().ToString();
+            var saleSum = 200.0;
+            var postSalary = 2000.0;
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, saleSum, false, [])]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher, true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel(employeeId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            var sum = 0.0;
+            var expectedSum = postSalary + saleSum * 0.1;
+            _salaryStorageContract.Setup(x => x.AddElement(It.IsAny<SalaryDataModel>()))
+                .Callback((SalaryDataModel x) =>
+                {
+                    sum = x.Salary;
+                });
+            //Act
+            _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow);
+            //Assert
+            Assert.That(sum, Is.EqualTo(expectedSum));
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_WithSeveralEmployees_Test()
+        {
+            //Arrange
+            var employee1Id = Guid.NewGuid().ToString();
+            var employee2Id = Guid.NewGuid().ToString();
+            var employee3Id = Guid.NewGuid().ToString();
+            var list = new List<EmployeeDataModel>() {
+            new( employee1Id, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false),
+            new (employee2Id, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false),
+            new( employee3Id, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)
+        };
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employee1Id, 1, false, []),
+                new SaleDataModel(Guid.NewGuid().ToString(),  employee1Id, 1, false, []),
+                new SaleDataModel(Guid.NewGuid().ToString(),  employee2Id, 1, false, []),
+                new SaleDataModel(Guid.NewGuid().ToString(),  employee3Id, 1, false, []),
+                new SaleDataModel(Guid.NewGuid().ToString(),  employee3Id, 1, false, [])]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher, true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns(list);
+            //Act
+            _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow);
+            //Assert
+            _salaryStorageContract.Verify(x => x.AddElement(It.IsAny<SalaryDataModel>()), Times.Exactly(list.Count));
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_WithoitSalesByEmployee_Test()
+        {
+            //Arrange
+            var postSalary = 2000.0;
+            var employeeId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher,true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel( employeeId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            var sum = 0.0;
+            var expectedSum = postSalary;
+            _salaryStorageContract.Setup(x => x.AddElement(It.IsAny<SalaryDataModel>()))
+                .Callback((SalaryDataModel x) =>
+                {
+                    sum = x.Salary;
+                });
+            //Act
+            _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow);
+            //Assert
+            Assert.That(sum, Is.EqualTo(expectedSum));
+        }
+
+        [Test]
+        public void
+        CalculateSalaryByMounth_SaleStorageReturnNull_ThrowException_Test()
+        {
+            //Arrange
+            var employeeId = Guid.NewGuid().ToString();
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher,true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel(employeeId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<NullListException>());
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_PostStorageReturnNull_ThrowException_Test()
+        {
+            //Arrange
+            var employeeId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, 200, false, [])]);
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel(employeeId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<NullListException>());
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_EmployeeStorageReturnNull_ThrowException_Test()
+        {
+            //Arrange
+            var workerId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), workerId, 200, false, [])]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher, true, DateTime.UtcNow));
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<NullListException>());
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_SaleStorageThrowException_ThrowException_Test()
+        {
+            //Arrange
+            var workerId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Throws(new StorageException(new InvalidOperationException()));
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher,true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel(workerId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<StorageException>());
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_PostStorageThrowException_ThrowException_Test()
+        {
+            //Arrange
+            var employeeId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, 200, false, [])]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Throws(new StorageException(new InvalidOperationException()));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Returns([new EmployeeDataModel(employeeId, "Test", "+7-111-111-11-11", Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow, false)]);
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<StorageException>());
+        }
+
+        [Test]
+        public void CalculateSalaryByMounth_EmployeeStorageThrowException_ThrowException_Test()
+        {
+            //Arrange
+            var employeeId = Guid.NewGuid().ToString();
+            _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<string>(), It.IsAny<string>()))
+                .Returns([new SaleDataModel(Guid.NewGuid().ToString(), employeeId, 200, false, [])]);
+            _postStorageContract.Setup(x => x.GetElementById(It.IsAny<string>()))
+                .Returns(new PostDataModel(Guid.NewGuid().ToString(), "name", PostType.Butcher, true, DateTime.UtcNow));
+            _employeeStorageContract.Setup(x => x.GetList(It.IsAny<bool>(), It.IsAny<string?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<DateTime?>()))
+                .Throws(new StorageException(new InvalidOperationException()));
+            //Act&Assert
+            Assert.That(() => _salaryBusinessLogicContract.CalculateSalaryByMounth(DateTime.UtcNow), Throws.TypeOf<StorageException>());
+        }
+    }
+
+}
+

HamContract/HamTests/BusinessLogicContrectTests/SaleBusinessLogicContractTest.cs

@@ -0,0 +1,424 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HamBusinessLogic.Implementations;
+using HamContract.DataModels;
+using HamContract.Exceptions;
+using HamContract.StorageContracts;
+using Moq;
+
+namespace HamTests.BusinessLogicContrectTests;
+[TestFixture]
+internal class SaleBusinessLogicContractTest
+{
+    private SaleBusinessLogicContract _saleBusinessLogicContract;
+    private Mock<ISaleStorageContract> _saleStorageContract;
+
+    [OneTimeSetUp]
+    public void OneTimeSetUp()
+    {
+        _saleStorageContract = new Mock<ISaleStorageContract>();
+        _saleBusinessLogicContract = new SaleBusinessLogicContract();
+    }
+
+    [SetUp]
+    public void SetUp()
+    {
+        _saleStorageContract.Reset();
+    }
+
+    [Test]
+    public void GetAllSalesByPeriod_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        var listOriginal = new List<SaleDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false,
+                [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+        };
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByPeriod(date, date.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.EquivalentTo(listOriginal));
+        _saleStorageContract.Verify(x => x.GetList(date, date.AddDays(1), null, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByPeriod_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns([]);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(0));
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByPeriod_IncorrectDates_ThrowException_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByPeriod(date, date), Throws.TypeOf<IncorrectDatesException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByPeriod(date, date.AddSeconds(-1)), Throws.TypeOf<IncorrectDatesException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByPeriod_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<NullListException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByPeriod_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByPeriod(DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByEmployeeByPeriod_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        var employeeId = Guid.NewGuid().ToString();
+        var listOriginal = new List<SaleDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false,
+                [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+        };
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(employeeId, date, date.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.EquivalentTo(listOriginal));
+        _saleStorageContract.Verify(x => x.GetList(date, date.AddDays(1), employeeId, null), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByWorkerByPeriod_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns([]);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(0));
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByWorkerByPeriod_IncorrectDates_ThrowException_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(Guid.NewGuid().ToString(), date, date), Throws.TypeOf<IncorrectDatesException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(Guid.NewGuid().ToString(), date, date.AddSeconds(-1)), Throws.TypeOf<IncorrectDatesException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByWorkerByPeriod_WorkerIdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(null, DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(string.Empty, DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ArgumentNullException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByWorkerByPeriod_WorkerIdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod("workerId", DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ValidationException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByWorkerByPeriod_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<NullListException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByEmployeeByPeriod_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByEmployeeByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_ReturnListOfRecords_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        var productId = Guid.NewGuid().ToString();
+        var listOriginal = new List<SaleDataModel>()
+        {
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false,
+                [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []),
+            new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  false, []),
+        };
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns(listOriginal);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByProductByPeriod(productId, date, date.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Is.EquivalentTo(listOriginal));
+        _saleStorageContract.Verify(x => x.GetList(date, date.AddDays(1), null, productId), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_ReturnEmptyList_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Returns([]);
+        //Act
+        var list = _saleBusinessLogicContract.GetAllSalesByProductByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1));
+        //Assert
+        Assert.That(list, Is.Not.Null);
+        Assert.That(list, Has.Count.EqualTo(0));
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_IncorrectDates_ThrowException_Test()
+    {
+        //Arrange
+        var date = DateTime.UtcNow;
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(Guid.NewGuid().ToString(), date, date), Throws.TypeOf<IncorrectDatesException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(Guid.NewGuid().ToString(), date, date.AddSeconds(-1)), Throws.TypeOf<IncorrectDatesException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_ProductIdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(null, DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(string.Empty, DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ArgumentNullException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_ProductIdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod("productId", DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<ValidationException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_ReturnNull_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<NullListException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetAllSalesByProductByPeriod_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetAllSalesByProductByPeriod(Guid.NewGuid().ToString(), DateTime.UtcNow, DateTime.UtcNow.AddDays(1)), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.GetList(It.IsAny<DateTime?>(), It.IsAny<DateTime?>(), It.IsAny<string>(), It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSaleByData_GetById_ReturnRecord_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        var record = new SaleDataModel(id, Guid.NewGuid().ToString(), 10, false,
+                [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _saleStorageContract.Setup(x => x.GetElementById(id)).Returns(record);
+        //Act
+        var element = _saleBusinessLogicContract.GetSaleByData(id);
+        //Assert
+        Assert.That(element, Is.Not.Null);
+        Assert.That(element.Id, Is.EqualTo(id));
+        _saleStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSaleByData_EmptyData_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetSaleByData(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _saleBusinessLogicContract.GetSaleByData(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _saleStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetSaleByData_IdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetSaleByData("saleId"), Throws.TypeOf<ValidationException>());
+        _saleStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void GetSaleByData_GetById_NotFoundRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetSaleByData(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _saleStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void GetSaleByData_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.GetElementById(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.GetSaleByData(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.GetElementById(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSale_CorrectRecord_Test()
+    {
+        //Arrange
+        var flag = false;
+        var record = new SaleDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,
+            false, [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)]);
+        _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>()))
+            .Callback((SaleDataModel x) =>
+            {
+                flag = x.Id == record.Id && x.EmployeeId == record.EmployeeId &&
+                    x.SaleDate == record.SaleDate && x.Sum == record.Sum &&
+                    x.IsCancel == record.IsCancel && x.Products.Count == record.Products.Count &&
+                    x.Products.First().ProductId == record.Products.First().ProductId &&
+                    x.Products.First().SaleId == record.Products.First().SaleId &&
+                    x.Products.First().Count == record.Products.First().Count;
+            });
+        //Act
+        _saleBusinessLogicContract.InsertSale(record);
+        //Assert
+        _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
+        Assert.That(flag);
+    }
+
+    [Test]
+    public void InsertSale_RecordWithExistsData_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>())).Throws(new ElementExistsException("Data", "Data"));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            10, false, [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<ElementExistsException>());
+        _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void InsertSale_NullRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(null), Throws.TypeOf<ArgumentNullException>());
+        _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertSale_InvalidRecord_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new SaleDataModel("id", Guid.NewGuid().ToString(), 10, false, [])), Throws.TypeOf<ValidationException>());
+        _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Never);
+    }
+
+    [Test]
+    public void InsertSale_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.AddElement(It.IsAny<SaleDataModel>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.InsertSale(new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            10, false, [new SaleProductDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 5)])), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.AddElement(It.IsAny<SaleDataModel>()), Times.Once);
+    }
+
+    [Test]
+    public void CancelSale_CorrectRecord_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        var flag = false;
+        _saleStorageContract.Setup(x => x.DelElement(It.Is((string x) => x == id))).Callback(() => { flag = true; });
+        //Act
+        _saleBusinessLogicContract.CancelSale(id);
+        //Assert
+        _saleStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+        Assert.That(flag);
+    }
+
+    [Test]
+    public void CancelSale_RecordWithIncorrectId_ThrowException_Test()
+    {
+        //Arrange
+        var id = Guid.NewGuid().ToString();
+        _saleStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new ElementNotFoundException(id));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.CancelSale(Guid.NewGuid().ToString()), Throws.TypeOf<ElementNotFoundException>());
+        _saleStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+
+    [Test]
+    public void CancelSale_IdIsNullOrEmpty_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.CancelSale(null), Throws.TypeOf<ArgumentNullException>());
+        Assert.That(() => _saleBusinessLogicContract.CancelSale(string.Empty), Throws.TypeOf<ArgumentNullException>());
+        _saleStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void CancelSale_IdIsNotGuid_ThrowException_Test()
+    {
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.CancelSale("id"), Throws.TypeOf<ValidationException>());
+        _saleStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Never);
+    }
+
+    [Test]
+    public void CancelSale_StorageThrowError_ThrowException_Test()
+    {
+        //Arrange
+        _saleStorageContract.Setup(x => x.DelElement(It.IsAny<string>())).Throws(new StorageException(new InvalidOperationException()));
+        //Act&Assert
+        Assert.That(() => _saleBusinessLogicContract.CancelSale(Guid.NewGuid().ToString()), Throws.TypeOf<StorageException>());
+        _saleStorageContract.Verify(x => x.DelElement(It.IsAny<string>()), Times.Once);
+    }
+
+}

HamContract/HamTests/DataModelsTest/PostDataModelTest.cs

@@ -16,48 +16,32 @@ internal class PostDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var post = CreateDataModel(null, Guid.NewGuid().ToString(), "name", PostType.Butcher, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel(null, "name", PostType.Butcher, 10, true, DateTime.UtcNow);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-        post = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "name", PostType.Butcher, 10, true, DateTime.UtcNow);
+        post = CreateDataModel(string.Empty,"name", PostType.Butcher, 10, true, DateTime.UtcNow);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var post = CreateDataModel("id", Guid.NewGuid().ToString(), "name", PostType.Butcher, 10, true, DateTime.UtcNow);
-        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-    }
-
-    [Test]
-    public void PostIdIsNullEmptyTest()
-    {
-        var post = CreateDataModel(Guid.NewGuid().ToString(), null, "name", PostType.Butcher, 10, true, DateTime.UtcNow);
-        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-        post = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "name", PostType.Butcher, 10, true, DateTime.UtcNow);
-        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
-    }
-
-    [Test]
-    public void PostIdIsNotGuidTest()
-    {
-        var post = CreateDataModel(Guid.NewGuid().ToString(), "postId", "name", PostType.Butcher, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel("id", "name", PostType.Butcher, 10, true, DateTime.UtcNow);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PostNameIsEmptyTest()
     {
-        var manufacturer = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), null, PostType.Butcher, 10, true, DateTime.UtcNow);
+        var manufacturer = CreateDataModel(Guid.NewGuid().ToString(), null, PostType.Butcher, 10, true, DateTime.UtcNow);
         Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
-        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), string.Empty, PostType.Butcher, 10, true, DateTime.UtcNow);
+        manufacturer = CreateDataModel(Guid.NewGuid().ToString(),string.Empty, PostType.Butcher, 10, true, DateTime.UtcNow);
         Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void PostTypeIsNoneTest()
     {
-        var post = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "name", PostType.None, 10, true, DateTime.UtcNow);
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "name", PostType.None, 10, true, DateTime.UtcNow);
         Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
     }
 
@@ -67,25 +51,23 @@ internal class PostDataModelTests
     public void AllFieldsIsCorrectTest()
     {
         var postId = Guid.NewGuid().ToString();
-        var postPostId = Guid.NewGuid().ToString();
         var postName = "name";
         var postType = PostType.Butcher;
         var salary = 10;
         var isActual = false;
         var changeDate = DateTime.UtcNow.AddDays(-1);
-        var post = CreateDataModel(postId, postPostId, postName, postType,
+        var post = CreateDataModel(postId,postName, postType,
         salary, isActual, changeDate);
         Assert.That(() => post.Validate(), Throws.Nothing);
         Assert.Multiple(() =>
         {
             Assert.That(post.Id, Is.EqualTo(postId));
-            Assert.That(post.PostId, Is.EqualTo(postPostId));
             Assert.That(post.PostName, Is.EqualTo(postName));
             Assert.That(post.PostType, Is.EqualTo(postType));
             Assert.That(post.IsActual, Is.EqualTo(isActual));
             Assert.That(post.ChangeDate, Is.EqualTo(changeDate));
         });
     }
-    private static PostDataModel CreateDataModel(string? id, string? postId, string? postName, PostType postType, double salary, bool isActual, DateTime changeDate) =>
-        new(id, postId, postName, postType,isActual, changeDate);
+    private static PostDataModel CreateDataModel(string? id,string? postName, PostType postType, double salary, bool isActual, DateTime changeDate) =>
+        new(id, postName, postType,isActual, changeDate);
 }

HamContract/HamTests/HamTests.csproj

@@ -4,20 +4,22 @@
     <TargetFramework>net8.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
-
-    <IsPackable>false</IsPackable>
+	  <ImplicitUsings>enable</ImplicitUsings>
+	  <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Moq" Version="4.20.72" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit.Analyzers" Version="3.9.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\HamBusinessLogic\HamBusinessLogic.csproj" />
     <ProjectReference Include="..\HamContract\HamContract.csproj" />
   </ItemGroup>