Вроде точно конец

PipingHot/PipingHot.sln

@@ -3,7 +3,9 @@ Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.11.35327.3
 MinimumVisualStudioVersion = 10.0.40219.1
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PipingHot", "PipingHot\PipingHot.csproj", "{B07A5A92-372D-45A5-81AB-AE7A222928B4}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PipingHotContrast", "PipingHot\PipingHotContrast.csproj", "{B07A5A92-372D-45A5-81AB-AE7A222928B4}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PipingHotTests", "PipingHotTests\PipingHotTests.csproj", "{2269D181-1994-4BB3-A024-611BB25239AE}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -15,6 +17,10 @@ Global
 		{B07A5A92-372D-45A5-81AB-AE7A222928B4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B07A5A92-372D-45A5-81AB-AE7A222928B4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B07A5A92-372D-45A5-81AB-AE7A222928B4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{2269D181-1994-4BB3-A024-611BB25239AE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{2269D181-1994-4BB3-A024-611BB25239AE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{2269D181-1994-4BB3-A024-611BB25239AE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{2269D181-1994-4BB3-A024-611BB25239AE}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

PipingHot/PipingHot/DataModels/OrderDataModel.cs

@@ -0,0 +1,44 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class OrderDataModel(string id, string workerId, string? restaurantId, double sum,  List<OrderProductDataModel> products):IValidation
+{
+    public string Id { get; private set; } = id;
+    public string WorkerId { get; private set; } = workerId;
+    public string? RestaurantId { get; private set; } = restaurantId;
+    public DateTime OrderDate { get; private set; } = DateTime.UtcNow;
+    public double Sum { get; private set; } = sum;
+    public List<OrderProductDataModel> Products { get; private set; } = products;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+
+        if (WorkerId.IsEmpty())
+            throw new ValidationException("Field WorkerId is empty");
+
+        if (!WorkerId.IsGuid())
+            throw new ValidationException("The value in the field WorkerId is not a unique identifier");
+
+        if (!RestaurantId?.IsGuid() ?? !RestaurantId?.IsEmpty() ?? false)
+            throw new ValidationException("The value in the field RestaurantId is not a unique identifier");
+
+        if (Sum <= 0)
+            throw new ValidationException("Field Sum is less than or equal to 0");
+
+        if ((Products?.Count ?? 0) == 0)
+            throw new ValidationException("The sale must include products");
+    }
+}

PipingHot/PipingHot/DataModels/OrderProductDataModel.cs

@@ -0,0 +1,32 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+
+public class OrderProductDataModel(string saleId, string productId, int count):IValidation
+{
+    public string OrderId { get; private set; } = saleId;
+    public string ProductId { get; private set; } = productId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (OrderId.IsEmpty())
+            throw new ValidationException("Field SaleId is empty");
+        if (!OrderId.IsGuid())
+            throw new ValidationException("The value in the field SaleId is not a unique identifier");
+        if (ProductId.IsEmpty())
+            throw new ValidationException("Field ProductId is empty");
+        if (!ProductId.IsGuid())
+            throw new ValidationException("The value in the field ProductId is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

PipingHot/PipingHot/DataModels/PostDataModel.cs

@@ -0,0 +1,41 @@
+using PipingHotContrast.Enums;
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class PostDataModel(string id, string postId, string postName, PostType postType, double salary, 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 double Salary { get; private set; } = salary;
+    public bool IsActual { get; private set; } = isActual;
+    public DateTime ChangeDate { get; private set; } = changeDate;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        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");
+        if (PostType==PostType.None)
+            throw new ValidationException("Field PostName is empty");
+        if (Salary <= 0)
+            throw new ValidationException("Field Salary is empty");
+    }
+}

PipingHot/PipingHot/DataModels/ProductDataModel.cs

@@ -0,0 +1,40 @@
+using PipingHotContrast.Enums;
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class ProductDataModel(string id, string productName, ProductType productType,string restaurantId, double price, bool isDeleted): IValidation
+{
+    public string Id { get; private set; } = id;
+    public string ProductName { get; private set; } = productName;
+    public ProductType ProductType { get; private set; } = productType;
+    public string RestaurantId { get; private set; } = restaurantId;
+    public double Price { get; private set; } = price;
+    public bool IsDeleted { get; private set; } = isDeleted;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (ProductName.IsEmpty())
+            throw new ValidationException("Field ProductName is empty");
+        if (ProductType == ProductType.None)
+            throw new ValidationException("Field ProductType is empty");
+        if (RestaurantId.IsEmpty())
+            throw new ValidationException("Field RestaurantId is empty");
+        if (!RestaurantId.IsGuid())
+            throw new ValidationException("The value in the field RestaurantId is not a unique identifier");
+        if(Price <= 0)
+            throw new ValidationException("Field Price is empty");
+    }
+}

PipingHot/PipingHot/DataModels/ProductHistoryDataModel.cs

@@ -0,0 +1,28 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class ProductHistoryDataModel(string productId, double oldPrice): IValidation
+{
+    public string ProductId { get; private set; } = productId;
+    public double OldPrice { get; private set; } = oldPrice;
+    public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
+
+    public void Validate()
+    {
+        if (ProductId.IsEmpty())
+            throw new ValidationException("Field ProductId is empty");
+        if (!ProductId.IsGuid())
+            throw new ValidationException("The value in the field ProductId is not a unique identifier");
+        if (OldPrice <= 0)
+            throw new ValidationException("Field OldPrice is less than or equal to 0");
+    }
+}

PipingHot/PipingHot/DataModels/RestaurantDataModel.cs

@@ -0,0 +1,33 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class RestaurantDataModel(string id, string restaurantName, string? prevRestaurantName, string? prevPrevRestaurantName) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string RestaurantName { get; private set; } = restaurantName;
+
+    public string? PrevRestaurantName { get; private set; } = prevRestaurantName;
+
+    public string? PrevPrevRestaurantName { get; private set; } = prevPrevRestaurantName;
+
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (RestaurantName.IsEmpty())
+            throw new ValidationException("Field RestaurantName is empty");
+        
+    }
+}

PipingHot/PipingHot/DataModels/SalaryDataModel.cs

@@ -0,0 +1,27 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class SalaryDataModel(string workerId, DateTime salaryDate, double salary) : IValidation
+{
+    public string WorkerId { get; private set; } = workerId;
+    public DateTime SalaryDate { get; private set; } = salaryDate;
+    public double Salary { get; private set; } = salary;
+
+    public void Validate()
+    {
+        if (WorkerId.IsEmpty())
+            throw new ValidationException("Field WorkerId is empty");
+        if (!WorkerId.IsGuid())
+            throw new ValidationException("The value in the field WorkerId is not a unique identifier");
+        if (Salary <= 0)
+            throw new ValidationException("Field Salary is less than or equal to 0");
+    }
+}

PipingHot/PipingHot/DataModels/WorkerDataModel.cs

@@ -0,0 +1,49 @@
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Extensions;
+using PipingHotContrast.Infrastructure;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.DataModels;
+
+public class WorkerDataModel(string id, string fio, string email,string postId,DateTime birthDate, DateTime employmentDate, bool isDeleted) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string FIO { get; private set; } = fio;
+    public string Email { get; private set; } = email;
+    public string PostId { get; private set; } = postId;
+    public DateTime BirthDate { get; private set; } = birthDate;
+    public DateTime EmploymentDate { get; private set; } = employmentDate;
+    public bool IsDeleted { get; private set; } = isDeleted;
+
+    public void Validate()
+    {
+        if (Id.IsEmpty())
+            throw new ValidationException("Field Id is empty");
+        if (!Id.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (FIO.IsEmpty())
+            throw new ValidationException("Field FIO is empty");
+        if (Email.IsEmpty())
+            throw new ValidationException("Field Email is empty");
+        if (!Regex.IsMatch(Email,@"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$"))
+            throw new ValidationException("Field Email is not a valid email address");
+        if (PostId.IsEmpty())
+            throw new ValidationException("Field PostId is empty");
+        if (!PostId.IsGuid())
+            throw new ValidationException("The value in the field PostId is not a unique identifier");
+        if (BirthDate.Date > DateTime.Now.AddYears(-16).Date)
+            throw new ValidationException($"Minors cannot be hired (BirthDate = {BirthDate.ToShortDateString()})");
+
+        if (EmploymentDate.Date < BirthDate.Date)
+            throw new ValidationException("The date of employment cannot be less than the date of birth");
+
+        if ((EmploymentDate - BirthDate).TotalDays / 365 < 16) // EmploymentDate.Year - BirthDate.Year
+            throw new ValidationException($"Minors cannot be hired (EmploymentDate - {EmploymentDate.ToShortDateString()}, BirthDate - {BirthDate.ToShortDateString()})");
+       
+    }
+}

PipingHot/PipingHot/Enums/PostType.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.Enums;
+
+public enum PostType
+{
+    None = 0,
+    Operator = 1,
+    Aggregator = 2,
+    Deliveryman = 3
+
+}

PipingHot/PipingHot/Enums/ProductType.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.Enums
+{
+    public enum ProductType
+    {
+        None = 0,
+        Pizza = 1,
+        Sushi = 2,
+        Сocktail = 3
+    }
+}

PipingHot/PipingHot/Exceptions/ValidationException.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.Exceptions;
+
+public class ValidationException(string message) : Exception(message)
+{
+}

PipingHot/PipingHot/Extensions/StringExtensions.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.Extensions;
+
+public static class StringExtensions
+{
+    public static bool IsEmpty(this string str)
+    {
+        return string.IsNullOrEmpty(str);
+    }
+    public static bool IsGuid(this string str)
+    {
+        return Guid.TryParse(str, out _);
+    }
+}

PipingHot/PipingHot/Infrastructure/IValidation.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotContrast.Infrastructure;
+
+public interface IValidation
+{
+    void Validate();
+}

PipingHot/PipingHot/PipingHotContrast.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0-windows</TargetFramework>
+    <TargetFramework>net9.0-windows</TargetFramework>
     <Nullable>enable</Nullable>
     <UseWPF>true</UseWPF>
     <ImplicitUsings>enable</ImplicitUsings>

PipingHot/PipingHotTests/DataModelsTests/OrderDataModelTests.cs

@@ -0,0 +1,97 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class OrderDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(null, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var order = CreateDataModel("id", Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkerIdIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), null, Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkerIdIsNotGuidTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), "employeeId", Guid.NewGuid().ToString(), 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void RestaurantIdIsNotGuidTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "restaurantId", 10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void SumIsLessOrZeroTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10,  CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductsIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  null);
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10,  []);
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var orderId = Guid.NewGuid().ToString();
+        var workerId = Guid.NewGuid().ToString();
+        var restaurantId = Guid.NewGuid().ToString();
+        var sum = 10;
+        var products = CreateSubDataModel();
+        var order = CreateDataModel(orderId, workerId, restaurantId, sum,  products);
+        Assert.That(() => order.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(order.Id, Is.EqualTo(orderId));
+            Assert.That(order.WorkerId, Is.EqualTo(workerId));
+            Assert.That(order.RestaurantId, Is.EqualTo(restaurantId));
+            Assert.That(order.Sum, Is.EqualTo(sum));
+            Assert.That(order.Products, Is.EquivalentTo(products));
+        });
+    }
+
+    private static OrderDataModel CreateDataModel(string? id, string? workerId, string? restaurantId, double sum,  List<OrderProductDataModel>? products) =>
+    new(id, workerId, restaurantId, sum,  products);
+
+    private static List<OrderProductDataModel> CreateSubDataModel()
+        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+
+}

PipingHot/PipingHotTests/DataModelsTests/OrderProductDataModelTests.cs

@@ -0,0 +1,73 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class OrderProductDataModelTests
+{
+    [Test]
+    public void SaleIdIsNullOrEmptyTest()
+    {
+        var saleProduct = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+        saleProduct = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void SaleIdIsNotGuidTest()
+    {
+        var saleProduct = CreateDataModel("saleId", Guid.NewGuid().ToString(), 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductIdIsNullOrEmptyTest()
+    {
+        var saleProduct = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+        saleProduct = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductIdIsNotGuidTest()
+    {
+        var saleProduct = CreateDataModel(Guid.NewGuid().ToString(), "productId", 10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var saleProduct = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+        saleProduct = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
+        Assert.That(() => saleProduct.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var saleId = Guid.NewGuid().ToString();
+        var productId = Guid.NewGuid().ToString();
+        var count = 10;
+        var saleProduct = CreateDataModel(saleId, productId, count);
+        Assert.That(() => saleProduct.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(saleProduct.OrderId, Is.EqualTo(saleId));
+            Assert.That(saleProduct.ProductId, Is.EqualTo(productId));
+            Assert.That(saleProduct.Count, Is.EqualTo(count));
+        });
+    }
+
+    private static OrderProductDataModel CreateDataModel(string? saleId, string? productId, int count) =>
+        new(saleId, productId, count);
+}

PipingHot/PipingHotTests/DataModelsTests/PostDataModelTests.cs

@@ -0,0 +1,102 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using PipingHotContrast.Enums;
+
+
+
+using System;
+using System.Collections.Generic;
+
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class PostDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var post = CreateDataModel(null, Guid.NewGuid().ToString(), "name", PostType.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "name", PostType.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var post = CreateDataModel("id", Guid.NewGuid().ToString(), "name", PostType.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNullEmptyTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), null, "name", PostType.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "name", PostType.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNotGuidTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "postId", "name", PostType.Operator, 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.Operator, 10, true, DateTime.UtcNow);
+        Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
+        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), string.Empty, PostType.Operator, 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);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void SalaryIsLessOrZeroTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "name", PostType.Operator, 0, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "name", PostType.Operator, -10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var postId = Guid.NewGuid().ToString();
+        var postPostId = Guid.NewGuid().ToString();
+        var postName = "name";
+        var postType = PostType.Operator;
+        var salary = 10;
+        var isActual = false;
+        var changeDate = DateTime.UtcNow.AddDays(-1);
+        var post = CreateDataModel(postId, postPostId, 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.Salary, Is.EqualTo(salary));
+            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, salary, isActual, changeDate);
+}

PipingHot/PipingHotTests/DataModelsTests/ProductDataModelTests.cs

@@ -0,0 +1,102 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Enums;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class ProductDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var product = CreateDataModel(null, "name", ProductType.Pizza, Guid.NewGuid().ToString(),500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(string.Empty, "name", ProductType.Pizza, Guid.NewGuid().ToString(), 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var product = CreateDataModel("id", "name", ProductType.Pizza, Guid.NewGuid().ToString(), 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductNameIsNullOrEmptyTest()
+    {
+        var product = CreateDataModel(Guid.NewGuid().ToString(), null, ProductType.Pizza, Guid.NewGuid().ToString(), 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, ProductType.Pizza, Guid.NewGuid().ToString(), 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductTypeIsNoneTest()
+    {
+        var product = CreateDataModel(Guid.NewGuid().ToString(), null, ProductType.None, Guid.NewGuid().ToString(), 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ReastaurantIdIsNullOrEmptyTest()
+    {
+        
+        var product = CreateDataModel(Guid.NewGuid().ToString(), "name",
+        ProductType.Pizza, null, 500, false);
+        Assert.That(() => product.Validate(),
+        Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(Guid.NewGuid().ToString(), "name",
+        ProductType.Pizza, string.Empty, 500, false);
+        Assert.That(() => product.Validate(),
+        Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void ReastaurantIdIsNotGuidTest()
+    {
+        var product = CreateDataModel(Guid.NewGuid().ToString(), "name",
+        ProductType.Pizza, "restaurantId", 500, false);
+        Assert.That(() => product.Validate(),
+        Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PriceIsLessOrZeroTest()
+    {
+        var product = CreateDataModel(Guid.NewGuid().ToString(), null, ProductType.Pizza, Guid.NewGuid().ToString(), 0, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, ProductType.Pizza, Guid.NewGuid().ToString(), - 500, false);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var productId = Guid.NewGuid().ToString();
+        var productName = "name";
+        var productType = ProductType.Pizza;
+        var productRestaurantId = Guid.NewGuid().ToString();
+        var productPrice = 500;
+        var productIsDeleted = false;
+        var product = CreateDataModel(productId, productName, productType, productRestaurantId,productPrice, productIsDeleted);
+        Assert.That(() => product.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(product.Id, Is.EqualTo(productId));
+            Assert.That(product.ProductName, Is.EqualTo(productName));
+            Assert.That(product.ProductType, Is.EqualTo(productType));
+            Assert.That(product.RestaurantId, Is.EqualTo(productRestaurantId));
+            Assert.That(product.Price, Is.EqualTo(productPrice));
+            Assert.That(product.IsDeleted, Is.EqualTo(productIsDeleted));
+        });
+    }
+
+    private static ProductDataModel CreateDataModel(string? id, string? productName, ProductType productType, string? productRestaurantId,double price, bool isDeleted) =>
+       new(id, productName, productType, productRestaurantId, price, isDeleted);
+}

PipingHot/PipingHotTests/DataModelsTests/ProductHistoryDataModelTests.cs

@@ -0,0 +1,57 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class ProductHistoryDataModelTests
+{
+    [Test]
+    public void ProductIdIsNullOrEmptyTest()
+    {
+        var product = CreateDataModel(null, 500);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(string.Empty, 500);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void ProductIdIsNotGuidTest()
+    {
+        var product = CreateDataModel("id", 500);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void OldPriceIsLessOrZeroTest()
+    {
+        var product = CreateDataModel(Guid.NewGuid().ToString(), 0);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+        product = CreateDataModel(Guid.NewGuid().ToString(), -500);
+        Assert.That(() => product.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var productId = Guid.NewGuid().ToString();
+        var oldPrice = 500;
+        var productHistory = CreateDataModel(productId, oldPrice);
+        Assert.That(() => productHistory.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(productHistory.ProductId, Is.EqualTo(productId));
+            Assert.That(productHistory.OldPrice, Is.EqualTo(oldPrice));
+            Assert.That(productHistory.ChangeDate, Is.LessThan(DateTime.UtcNow));
+            Assert.That(productHistory.ChangeDate, Is.GreaterThan(DateTime.UtcNow.AddMinutes(-1)));
+        });
+    }
+
+    private static ProductHistoryDataModel CreateDataModel(string? productId, double oldPrice) =>
+        new(productId, oldPrice);
+}

PipingHot/PipingHotTests/DataModelsTests/RestaurantDataModelTests.cs

@@ -0,0 +1,59 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class RestaurantDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var restaurant = CreateDataModel(null, "name");
+        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
+        restaurant = CreateDataModel(string.Empty, "name");
+        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void RestaurantIdIsNotGuidTest()
+    {
+        var restaurant = CreateDataModel("id", "name");
+        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void RestaurantNameIsNullOrEmptyTest()
+    {
+        var restaurant = CreateDataModel(Guid.NewGuid().ToString(), null);
+        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
+        restaurant = CreateDataModel(Guid.NewGuid().ToString(), string.Empty);
+        Assert.That(() => restaurant.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var restaurantId = Guid.NewGuid().ToString();
+        var restaurantName = "name";
+        var prevRestaurantName = "prevRestaurantName";
+        var prevPrevRestaurantName = "prevPrevRestaurantName";
+        var restaurant = CreateDataModel(restaurantId, restaurantName, prevRestaurantName, prevPrevRestaurantName);
+        Assert.That(() => restaurant.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(restaurant.Id, Is.EqualTo(restaurantId));
+            Assert.That(restaurant.RestaurantName, Is.EqualTo(restaurantName));
+            Assert.That(restaurant.PrevRestaurantName, Is.EqualTo(prevRestaurantName));
+            Assert.That(restaurant.PrevPrevRestaurantName, Is.EqualTo(prevPrevRestaurantName));
+        });
+    }
+
+    private static RestaurantDataModel CreateDataModel(string? Id, string? restaurantName, string? prevRestaurantName = null, string? prevPrevRestaurantName = null) =>
+      new(Id, restaurantName, prevRestaurantName, prevPrevRestaurantName);
+}

PipingHot/PipingHotTests/DataModelsTests/SalaryDataModelTests.cs

@@ -0,0 +1,67 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class SalaryDataModelTests
+{
+    [Test]
+    public void WorkerIdIsEmptyTest()
+    {
+        var salary = CreateDataModel(null, DateTime.Now, 10);
+        Assert.That(() => salary.Validate(),
+        Throws.TypeOf<ValidationException>());
+        salary = CreateDataModel(string.Empty, DateTime.Now, 10);
+        Assert.That(() => salary.Validate(),
+        Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkerIdIsNotGuidTest()
+    {
+        var salary = CreateDataModel("workerId", DateTime.Now, 10);
+        Assert.That(() => salary.Validate(),
+        Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PriceIsLessOrZeroTest()
+    {
+        var salary = CreateDataModel(Guid.NewGuid().ToString(), DateTime.Now,
+        0);
+        Assert.That(() => salary.Validate(),
+        Throws.TypeOf<ValidationException>());
+        salary = CreateDataModel(Guid.NewGuid().ToString(), DateTime.Now, -
+        10);
+        Assert.That(() => salary.Validate(),
+        Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workerId = Guid.NewGuid().ToString();
+        var salaryDate = DateTime.Now.AddDays(-3).AddMinutes(-5);
+        var workerSalary = 10;
+        var salary = CreateDataModel(workerId, salaryDate, workerSalary);
+        Assert.That(() => salary.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(salary.WorkerId, Is.EqualTo(workerId));
+            Assert.That(salary.SalaryDate, Is.EqualTo(salaryDate));
+            Assert.That(salary.Salary, Is.EqualTo(workerSalary));
+        });
+    }
+    private static SalaryDataModel CreateDataModel(string? workerId, DateTime
+    salaryDate, double workerSalary) =>
+    new(workerId, salaryDate, workerSalary);
+
+
+
+}

PipingHot/PipingHotTests/DataModelsTests/WorkerDataModelTests.cs

@@ -0,0 +1,113 @@
+using PipingHotContrast.DataModels;
+using PipingHotContrast.Exceptions;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PipingHotTests.DataModelsTests;
+
+[TestFixture]
+internal class WorkerDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(null, "fio", "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(string.Empty, "fio","user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var worker = CreateDataModel("id", "fio", "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void FIOIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), null, "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void EmailIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", null, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", string.Empty, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void EmailIsIncorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user-email", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", null, DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", string.Empty, DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNotGuidTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", "postId", DateTime.Now.AddYears(-16), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void BirthDateIsNotCorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16).AddDays(1), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void BirthDateAndEmploymentDateIsNotCorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now.AddYears(-16).AddDays(-1), false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "user@example.com", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-16), DateTime.Now.AddYears(-14), false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workerId = Guid.NewGuid().ToString();
+        var fio = "fio";
+        var email = "user@example.com";
+        var postId = Guid.NewGuid().ToString();
+        var birthDate = DateTime.Now.AddYears(-16).AddDays(-1);
+        var employmentDate = DateTime.Now;
+        var isDelete = false;
+        var worker = CreateDataModel(workerId, fio, email, postId, birthDate, employmentDate, isDelete);
+        Assert.That(() => worker.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(worker.Id, Is.EqualTo(workerId));
+            Assert.That(worker.FIO, Is.EqualTo(fio));
+            Assert.That(worker.Email, Is.EqualTo(email));
+            Assert.That(worker.PostId, Is.EqualTo(postId));
+            Assert.That(worker.BirthDate, Is.EqualTo(birthDate));
+            Assert.That(worker.EmploymentDate, Is.EqualTo(employmentDate));
+            Assert.That(worker.IsDeleted, Is.EqualTo(isDelete));
+        });
+    }
+
+    private static WorkerDataModel CreateDataModel(string? id, string? fio, string? email,string? postId, DateTime birthDate, DateTime employmentDate, bool isDeleted) =>
+        new(id, fio, email,postId, birthDate, employmentDate, isDeleted);
+}

PipingHot/PipingHotTests/PipingHotTests.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <LangVersion>latest</LangVersion>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="coverlet.collector" Version="6.0.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="NUnit" Version="4.2.2" />
+    <PackageReference Include="NUnit.Analyzers" Version="4.4.0" />
+    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PipingHot\PipingHotContrast.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>