Добавлены рабочие часы и дата окончания работы

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/CustomerDataModel.cs

@@ -0,0 +1,33 @@
+using System.Text.RegularExpressions;
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class CustomerDataModel(string id, string name, string phoneNumber) : IValidation
+{
+    public string Id { get; private set; } = id;
+
+    public string Name { get; private set; } = name;
+
+    public string PhoneNumber { get; private set; } = phoneNumber;
+
+    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 (Name.IsEmpty())
+            throw new ValidationException("Field Name is empty");
+
+        if (PhoneNumber.IsEmpty())
+            throw new ValidationException("Field PhoneNumber is empty");
+
+        if (!Regex.IsMatch(PhoneNumber, @"^((\+7|7|8)+([0-9]){10})$"))
+            throw new ValidationException("Field PhoneNumber is not a phone number");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/PostDataModel.cs

@@ -0,0 +1,47 @@
+using TwoFromTheCaseContracts.Enums;
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.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 PostType is empty");
+
+        if (Salary <= 0)
+            throw new ValidationException("Field Salary is empty");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/PremisesDataModel.cs

@@ -0,0 +1,35 @@
+using TwoFromTheCaseContracts.Enums;
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class PremisesDataModel(string id, PremisesType premisesType, string customerId, bool isDeleted) : IValidation
+{
+    public string Id { get; private set; } = id;
+
+    public PremisesType PremisesType { get; private set; } = premisesType;
+
+    public string CustomerId { get; private set; } = customerId;
+
+    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 (PremisesType == PremisesType.None)
+            throw new ValidationException("Field PremisesType is empty");
+
+        if (CustomerId.IsEmpty())
+            throw new ValidationException("Field CustomerId is empty");
+
+        if (!CustomerId.IsGuid())
+            throw new ValidationException("The value in the field CustomerId is not a unique identifier");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/SalaryDataModel.cs

@@ -0,0 +1,26 @@
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary) : IValidation
+{
+    public string WorkerId { get; private set; } = workerId;
+
+    public DateTime SalaryDate { get; private set; } = salaryDate;
+
+    public double Salary { get; private set; } = workerSalary;
+
+    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");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/WorkDataModel.cs

@@ -0,0 +1,43 @@
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class WorkDataModel(string id, string premisesId, double price, bool isCancel, List<WorkerWorkDataModel> workers) : IValidation
+{
+    public string Id { get; private set; } = id;
+
+    public string PremisesId { get; private set; } = premisesId;
+
+    public double Price { get; private set; } = price;
+
+    public DateTime StartDate { get; private set; } = DateTime.UtcNow;
+
+    public DateTime FinishDate { get; private set; } = DateTime.UtcNow;
+
+    public bool IsCancel { get; private set; } = isCancel;
+
+    public List<WorkerWorkDataModel> Workers { get; private set; } = workers;
+
+    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 (PremisesId.IsEmpty())
+            throw new ValidationException("Field PremisesId is empty");
+
+        if (!PremisesId.IsGuid())
+            throw new ValidationException("The value in the field PremisesId is not a unique identifier");
+
+        if (Price <= 0)
+            throw new ValidationException("Field Price is less than or equal to 0");
+
+        if ((Workers?.Count ?? 0) == 0)
+            throw new ValidationException("The work must include workers");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/WorkHistoryDataModel.cs

@@ -0,0 +1,26 @@
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class WorkHistoryDataModel(string WorkId, double oldPrice) : IValidation
+{
+    public string WorkId { get; private set; } = WorkId;
+
+    public double OldPrice { get; private set; } = oldPrice;
+
+    public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
+
+    public void Validate()
+    {
+        if (WorkId.IsEmpty())
+            throw new ValidationException("Field WorkId is empty");
+
+        if (!WorkId.IsGuid())
+            throw new ValidationException("The value in the field WorkId is not a unique identifier");
+
+        if (OldPrice <= 0)
+            throw new ValidationException("Field OldPrice is less than or equal to 0");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/WorkerDataModel.cs

@@ -0,0 +1,47 @@
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class WorkerDataModel(string id, string fio, 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 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 (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()})");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/DataModels/WorkerWorkDataModel.cs

@@ -0,0 +1,32 @@
+using TwoFromTheCaseContracts.Exceptions;
+using TwoFromTheCaseContracts.Extensions;
+using TwoFromTheCaseContracts.Infrastructure;
+
+namespace TwoFromTheCaseContracts.DataModels;
+
+public class WorkerWorkDataModel(string workerId, string workId, double hours) : IValidation
+{
+    public string WorkerId { get; private set; } = workerId;
+
+    public string WorkId { get; private set; } = workId;
+
+    public double Hours { get; private set; } = hours;
+
+    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 (WorkId.IsEmpty())
+            throw new ValidationException("Field WorkId is empty");
+
+        if (!WorkId.IsGuid())
+            throw new ValidationException("The value in the field WorkId is not a unique identifier");
+
+        if (Hours <= 0)
+            throw new ValidationException("Field Hours is less than or equal to 0");
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/Enums/PostType.cs

@@ -0,0 +1,11 @@
+namespace TwoFromTheCaseContracts.Enums;
+
+public enum PostType
+{
+    None = 0,
+    Plasterer = 1,
+    Painter = 2,
+    Carpenter = 3,
+    Plumber = 4,
+    Electrician = 5
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/Enums/PremisesType.cs

@@ -0,0 +1,8 @@
+namespace TwoFromTheCaseContracts.Enums;
+
+public enum PremisesType
+{
+    None = 0,
+    Residential = 1,
+    Commercial = 2
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/Exceptions/ValidationException.cs

@@ -0,0 +1,5 @@
+namespace TwoFromTheCaseContracts.Exceptions;
+
+public class ValidationException(string message) : Exception(message)
+{
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/Extensions/StringExtensions.cs

@@ -0,0 +1,14 @@
+namespace TwoFromTheCaseContracts.Extensions;
+
+public static class StringExtensions
+{
+    public static bool IsEmpty(this string str)
+    {
+        return string.IsNullOrWhiteSpace(str);
+    }
+
+    public static bool IsGuid(this string str)
+    {
+        return Guid.TryParse(str, out _);
+    }
+}

TwoFromTheCaseProject/TwoFromTheCaseContracts/Infrastructure/IValidation.cs

@@ -0,0 +1,6 @@
+namespace TwoFromTheCaseContracts.Infrastructure;
+
+public interface IValidation
+{
+    void Validate();
+}

TwoFromTheCaseProject/TwoFromTheCaseProject.sln

@@ -1,10 +1,12 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.13.35806.99 d17.13
+VisualStudioVersion = 17.13.35806.99
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwoFromTheCaseContracts", "TwoFromTheCaseContracts\TwoFromTheCaseContracts.csproj", "{4F6F308C-3ADC-4A4F-BCD2-92EA750312FF}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TwoFromTheCaseTests", "TwoFromTheCaseTests\TwoFromTheCaseTests.csproj", "{8467D640-0190-4BFB-82F0-004D2DF18471}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{4F6F308C-3ADC-4A4F-BCD2-92EA750312FF}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4F6F308C-3ADC-4A4F-BCD2-92EA750312FF}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4F6F308C-3ADC-4A4F-BCD2-92EA750312FF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{8467D640-0190-4BFB-82F0-004D2DF18471}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8467D640-0190-4BFB-82F0-004D2DF18471}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8467D640-0190-4BFB-82F0-004D2DF18471}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8467D640-0190-4BFB-82F0-004D2DF18471}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/CustomerDataModelTests.cs

@@ -0,0 +1,68 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class CustomerDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var customer = CreateDataModel(null, "name", "number");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+        customer = CreateDataModel(string.Empty, "name", "number");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var customer = CreateDataModel("id", "name", "number");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void FIOIsNullOrEmptyTest()
+    {
+        var customer = CreateDataModel(Guid.NewGuid().ToString(), null, "number");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+        customer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "number");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PhoneNumberIsNullOrEmptyTest()
+    {
+        var customer = CreateDataModel(Guid.NewGuid().ToString(), "name", null);
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+        customer = CreateDataModel(Guid.NewGuid().ToString(), "name", string.Empty);
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PhoneNumberIsIncorrectTest()
+    {
+        var customer = CreateDataModel(Guid.NewGuid().ToString(), "name", "777");
+        Assert.That(() => customer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var customerId = Guid.NewGuid().ToString();
+        var name = "Name";
+        var phoneNumber = "+77777777777";
+        var customer = CreateDataModel(customerId, name, phoneNumber);
+        Assert.That(() => customer.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(customer.Id, Is.EqualTo(customerId));
+            Assert.That(customer.Name, Is.EqualTo(name));
+            Assert.That(customer.PhoneNumber, Is.EqualTo(phoneNumber));
+        });
+    }
+
+    private static CustomerDataModel CreateDataModel(string? id, string? name, string? phoneNumber) =>
+        new(id, name, phoneNumber);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/PostDataModelTests.cs

@@ -0,0 +1,93 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Enums;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class PostDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var post = CreateDataModel(null, Guid.NewGuid().ToString(), "name", PostType.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "name", PostType.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var post = CreateDataModel("id", Guid.NewGuid().ToString(), "name", PostType.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNullEmptyTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), null, "name", PostType.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "name", PostType.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNotGuidTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "postId", "name", PostType.Plasterer, 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.Plasterer, 10, true, DateTime.UtcNow);
+        Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
+        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), string.Empty, PostType.Plasterer, 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.Plasterer, 0, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "name", PostType.Plasterer, -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.Plasterer;
+        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);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/PremisesDataModelTests.cs

@@ -0,0 +1,69 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Enums;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class PremisesDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var premises = CreateDataModel(null, PremisesType.Residential, Guid.NewGuid().ToString(), false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+        premises = CreateDataModel(string.Empty, PremisesType.Residential, Guid.NewGuid().ToString(), false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var premises = CreateDataModel("id", PremisesType.Residential, Guid.NewGuid().ToString(), false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PremisesTypeIsNoneTest()
+    {
+        var premises = CreateDataModel(Guid.NewGuid().ToString(), PremisesType.None, Guid.NewGuid().ToString(), false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CustomerIdIsNullOrEmptyTest()
+    {
+        var premises = CreateDataModel(Guid.NewGuid().ToString(), PremisesType.Residential, null, false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+        premises = CreateDataModel(Guid.NewGuid().ToString(), PremisesType.Residential, string.Empty, false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void CustomerIdIsNotGuidTest()
+    {
+        var premises = CreateDataModel(Guid.NewGuid().ToString(), PremisesType.Residential, "customerId", false);
+        Assert.That(() => premises.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var premisesId = Guid.NewGuid().ToString();
+        var premisesType = PremisesType.Residential;
+        var premisesCustomerId = Guid.NewGuid().ToString();
+        var premisesIsDelete = false;
+        var premises = CreateDataModel(premisesId, premisesType, premisesCustomerId, premisesIsDelete);
+        Assert.That(() => premises.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(premises.Id, Is.EqualTo(premisesId));
+            Assert.That(premises.PremisesType, Is.EqualTo(premisesType));
+            Assert.That(premises.CustomerId, Is.EqualTo(premisesCustomerId));
+            Assert.That(premises.IsDeleted, Is.EqualTo(premisesIsDelete));
+        });
+    }
+
+    private static PremisesDataModel CreateDataModel(string? id, PremisesType premisesType, string? customerId, bool isDeleted) =>
+        new(id, premisesType, customerId, isDeleted);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/SalaryDataModelTests.cs

@@ -0,0 +1,52 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+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);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/WorkDataModelTests.cs

@@ -0,0 +1,90 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class WorkDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var work = CreateDataModel(null, Guid.NewGuid().ToString(), 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var work = CreateDataModel("id", Guid.NewGuid().ToString(), 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void WorkerIdIsNullOrEmptyTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), null, 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkerIdIsNotGuidTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), "workerId", 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PremisesIdIsNotGuidTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), "premisesId", 10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PriceIsLessOrZeroTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10, false, CreateSubDataModel());
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkersIsNullOrEmptyTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, null);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 10, false, []);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workId = Guid.NewGuid().ToString();
+        var premisesId = Guid.NewGuid().ToString();
+        var price = 10;
+        var isCancel = true;
+        var workers = CreateSubDataModel();
+        var work = CreateDataModel(workId, premisesId, price, isCancel, workers);
+        Assert.That(() => work.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(work.Id, Is.EqualTo(workId));
+            Assert.That(work.PremisesId, Is.EqualTo(premisesId));
+            Assert.That(work.Price, Is.EqualTo(price));
+            Assert.That(work.IsCancel, Is.EqualTo(isCancel));
+            Assert.That(work.Workers, Is.EquivalentTo(workers));
+        });
+    }
+
+    private static WorkDataModel CreateDataModel(string? id, string? premisesId, double price, bool isCancel, List<WorkerWorkDataModel>? workers) =>
+        new(id, premisesId, price, isCancel, workers);
+
+    private static List<WorkerWorkDataModel> CreateSubDataModel()
+        => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/WorkHistoryDataModelTests.cs

@@ -0,0 +1,52 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class WorkHistoryDataModelTests
+{
+    [Test]
+    public void WorkIdIsNullOrEmptyTest()
+    {
+        var work = CreateDataModel(null, 10);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(string.Empty, 10);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkIdIsNotGuidTest()
+    {
+        var work = CreateDataModel("id", 10);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void OldPriceIsLessOrZeroTest()
+    {
+        var work = CreateDataModel(Guid.NewGuid().ToString(), 0);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+        work = CreateDataModel(Guid.NewGuid().ToString(), -10);
+        Assert.That(() => work.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workId = Guid.NewGuid().ToString();
+        var oldPrice = 10;
+        var workHistory = CreateDataModel(workId, oldPrice);
+        Assert.That(() => workHistory.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(workHistory.WorkId, Is.EqualTo(workId));
+            Assert.That(workHistory.OldPrice, Is.EqualTo(oldPrice));
+            Assert.That(workHistory.ChangeDate, Is.LessThan(DateTime.UtcNow));
+            Assert.That(workHistory.ChangeDate, Is.GreaterThan(DateTime.UtcNow.AddMinutes(-1)));
+        });
+    }
+
+    private static WorkHistoryDataModel CreateDataModel(string? workId, double oldPrice) =>
+        new(workId, oldPrice);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/WorkerDataModelTests.cs

@@ -0,0 +1,90 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class WorkerDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(null, "fio", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(string.Empty, "fio", 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", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void FIOIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), null, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", null, DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", string.Empty, DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void PostIdIsNotGuidTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", "postId", DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void BirthDateIsNotCorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", 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", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now.AddYears(-18).AddDays(-1), false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "fio", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now.AddYears(-16), false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workerId = Guid.NewGuid().ToString();
+        var fio = "fio";
+        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, 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.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? postId, DateTime birthDate, DateTime employmentDate, bool isDeleted) =>
+        new(id, fio, postId, birthDate, employmentDate, isDeleted);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/DataModelsTests/WorkerWorkDataModelTests.cs

@@ -0,0 +1,68 @@
+using TwoFromTheCaseContracts.DataModels;
+using TwoFromTheCaseContracts.Exceptions;
+
+namespace TwoFromTheCaseTests.DataModelsTests;
+
+[TestFixture]
+class WorkerWorkDataModelTests
+{
+    [Test]
+    public void WorkerIdIsNullOrEmptyTest()
+    {
+        var workerWork = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+        workerWork = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkerIdIsNotGuidTest()
+    {
+        var workerWork = CreateDataModel("workerId", Guid.NewGuid().ToString(), 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkIdIsNullOrEmptyTest()
+    {
+        var workerWork = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+        workerWork = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void WorkIdIsNotGuidTest()
+    {
+        var workerWork = CreateDataModel(Guid.NewGuid().ToString(), "workId", 10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void HoursIsLessOrZeroTest()
+    {
+        var workerWork = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+        workerWork = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
+        Assert.That(() => workerWork.Validate(), Throws.TypeOf<ValidationException>());
+    }
+
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workerId = Guid.NewGuid().ToString();
+        var workId = Guid.NewGuid().ToString();
+        var hours = 10;
+        var workerWork = CreateDataModel(workerId, workId, hours);
+        Assert.That(() => workerWork.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(workerWork.WorkerId, Is.EqualTo(workerId));
+            Assert.That(workerWork.WorkId, Is.EqualTo(workId));
+            Assert.That(workerWork.Hours, Is.EqualTo(hours));
+        });
+    }
+
+    private static WorkerWorkDataModel CreateDataModel(string? workerId, string? workId, double hours) =>
+        new(workerId, workId, hours);
+}

TwoFromTheCaseProject/TwoFromTheCaseTests/TwoFromTheCaseTests.csproj

@@ -0,0 +1,27 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</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="..\TwoFromTheCaseContracts\TwoFromTheCaseContracts.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Using Include="NUnit.Framework" />
+  </ItemGroup>
+
+</Project>