LabWork 1.1.0 (Релиз)

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/BuyerDataModel.cs

@@ -18,6 +18,8 @@ public class BuyerDataModel(string id, string fio, string phoneNumber, int score
             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 (!Regex.IsMatch(FIO, @"\b[А-ЯЁ][а-яё]*\b \b[А-ЯЁ][а-яё]*\b \b[А-ЯЁ][а-яё]*\b"))
+            throw new ValidationException("Field FIO is not a FIO");
         if (PhoneNumber.IsEmpty())
             throw new ValidationException("Field PhoneNumber is empty");
         if (!Regex.IsMatch(PhoneNumber, @"^((8|\+7)[\- ]?)?(\(?\d{3}\)?[\-]?)?[\d\- ]{7,10}$"))

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/DishDataModel.cs

@@ -1,14 +1,13 @@
 using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
 using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
-
-public class DishDataModel(string id, string dishName, DishType dishType, string сookId, double price, bool isDeleted) : IValidation
+public class DishDataModel(string id, string dishName, DishType dishType, Ingredients ingredients, double price, bool isDeleted) : IValidation
 {
     public string Id { get; private set; } = id;
     public string DishName { get; private set; } = dishName;
     public DishType DishType { get; private set; } = dishType;
-    public string СookId { get; private set; } = сookId;
+    public Ingredients Ingredients { get; private set; } = ingredients;
     public double Price { get; private set; } = price;
     public bool IsDeleted { get; private set; } = isDeleted;
     public void Validate()
@@ -21,10 +20,8 @@ public class DishDataModel(string id, string dishName, DishType dishType, string
             throw new ValidationException("Field DishName is empty");
         if (DishType == DishType.None)
             throw new ValidationException("Field DishType is empty");
-        if (СookId.IsEmpty())
-            throw new ValidationException("Field СookId is empty");
-        if (!СookId.IsGuid())
-            throw new ValidationException("The value in the field СookId is not a unique identifier");
+        if (Ingredients == Ingredients.None)
+            throw new ValidationException("Field Ingredients is empty");
         if (Price <= 0)
             throw new ValidationException("Field Price is less than or equal to 0");
     }

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/DishHistoryDataModel.cs

@@ -1,6 +1,6 @@
-using BitterlyAndExclamationMarkContracts.Extensions;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
 public class DishHistoryDataModel(string dishId, double oldPrice) : IValidation

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/OrderDataModel.cs

@@ -1,18 +1,16 @@
 using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
 using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
-public class OrderDataModel(string id, string workerId, string? buyerId, double sum, DiscountType discountType, double discount, bool isCancel, List<OrderDishDataModel> dishes) : IValidation
+public class OrderDataModel(string id, string workerId, string? buyerId, double sum, bool isCancel, List<OrderDishDataModel> dishes) : IValidation
 {
     public string Id { get; private set; } = id;
     public string WorkerId { get; private set; } = workerId;
     public string? BuyerId { get; private set; } = buyerId;
     public DateTime OrderDate { get; private set; } = DateTime.UtcNow;
     public double Sum { get; private set; } = sum;
-    public DiscountType DiscountType { get; private set; } = discountType;
-    public double Discount { get; private set; } = discount;
     public bool IsCancel { get; private set; } = isCancel;
     public List<OrderDishDataModel> Dishes { get; private set; } = dishes;
     public void Validate()

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/OrderDishDataModel.cs

@@ -1,6 +1,6 @@
-using BitterlyAndExclamationMarkContracts.Extensions;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
 public class OrderDishDataModel(string orderId, string dishId, int count) : IValidation

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/PostDataModel.cs

@@ -1,7 +1,7 @@
 using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
 using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
 public class PostDataModel(string id, string postId, string postName, PostType postType, double salary, bool isActual, DateTime changeDate) : IValidation

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/SalaryDataModel.cs

@@ -1,6 +1,6 @@
-using BitterlyAndExclamationMarkContracts.Extensions;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
 public class SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary) : IValidation

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/DataModels/WorkerDataModel.cs

@@ -1,6 +1,7 @@
-using BitterlyAndExclamationMarkContracts.Extensions;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+using BitterlyAndExclamationMarkContracts.Extensions;
 using BitterlyAndExclamationMarkContracts.Infrastructure;
-using System.ComponentModel.DataAnnotations;
+using System.Text.RegularExpressions;
 namespace BitterlyAndExclamationMarkContracts.DataModels;
 
 public class WorkerDataModel(string id, string fio, string postId, DateTime birthDate, DateTime employmentDate, bool isDeleted) : IValidation
@@ -19,6 +20,8 @@ public class WorkerDataModel(string id, string fio, string postId, DateTime birt
             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 (!Regex.IsMatch(FIO, @"\b[А-ЯЁ][а-яё]*\b \b[А-ЯЁ][а-яё]*\b \b[А-ЯЁ][а-яё]*\b"))
+            throw new ValidationException("Field FIO is not a FIO");
         if (PostId.IsEmpty())
             throw new ValidationException("Field PostId is empty");
         if (!PostId.IsGuid())
@@ -30,8 +33,5 @@ public class WorkerDataModel(string id, string fio, string postId, DateTime birt
         if ((EmploymentDate - BirthDate).TotalDays / 365 < 18) // EmploymentDate.Year - BirthDate.Year
             throw new ValidationException($"Minors cannot be hired " +
                 $"(EmploymentDate - {EmploymentDate.ToShortDateString()}, BirthDate - {BirthDate.ToShortDateString()})");
-        if ((EmploymentDate - BirthDate).TotalDays / 365 > 80) // EmploymentDate.Year - BirthDate.Year
-            throw new ValidationException($"Elders cannot be hired " +
-                $"(EmploymentDate - {EmploymentDate.ToShortDateString()}, BirthDate - {BirthDate.ToShortDateString()})");
     }
 }

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkContracts/Enums/Ingredients.cs

@@ -0,0 +1,10 @@
+namespace BitterlyAndExclamationMarkContracts.Enums;
+
+[Flags]
+public enum Ingredients
+{
+    None = 0,
+    Meat = 1,
+    Milk = 2,
+    Peanut = 4
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/BuyerDataModelTests.cs

@@ -8,51 +8,50 @@ internal class BuyerDataModelTests
     [Test]
     public void IdIsNullOrEmptyTest()
     {
-        var buyer = CreateDataModel(null, "fio", "number", 10);
-        Assert.That(() => buyer.Validate(),
-        Throws.TypeOf<ValidationException>());
-        buyer = CreateDataModel(string.Empty, "fio", "number", 10);
-        Assert.That(() => buyer.Validate(),
-        Throws.TypeOf<ValidationException>());
+        var buyer = CreateDataModel(null, "Фамилия Имя Отчество", "+7-777-777-77-77", 10);
+        Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
+        buyer = CreateDataModel(string.Empty, "Фамилия Имя Отчество", "+7-777-777-77-77", 10); Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
     }
 
     [Test]
     public void IdIsNotGuidTest()
     {
-        var buyer = CreateDataModel("id", "fio", "number", 10);
+        var buyer = CreateDataModel("id", "Фамилия Имя Отчество", "+7-777-777-77-77", 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
     }
-
     [Test]
     public void FIOIsNullOrEmptyTest()
     {
-        var buyer = CreateDataModel(Guid.NewGuid().ToString(), null, "number", 10);
+        var buyer = CreateDataModel(Guid.NewGuid().ToString(), null, "+7-777-777-77-77", 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
-        buyer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "number", 10);
+        buyer = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "+7-777-777-77-77", 10);
+        Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void FIOIsIncorrectTest()
+    {
+        var buyer = CreateDataModel(Guid.NewGuid().ToString(), "Ф", "+7-777-777-77-77", 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
     }
-
     [Test]
     public void PhoneNumberIsNullOrEmptyTest()
     {
-        var buyer = CreateDataModel(Guid.NewGuid().ToString(), "fio", null, 10);
+        var buyer = CreateDataModel(Guid.NewGuid().ToString(), "Фамилия Имя Отчество", null, 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
-        buyer = CreateDataModel(Guid.NewGuid().ToString(), "fio", string.Empty, 10);
+        buyer = CreateDataModel(Guid.NewGuid().ToString(), "Фамилия Имя Отчество", string.Empty, 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
     }
-
     [Test]
     public void PhoneNumberIsIncorrectTest()
     {
-        var buyer = CreateDataModel(Guid.NewGuid().ToString(), "fio", "777", 10);
+        var buyer = CreateDataModel(Guid.NewGuid().ToString(), "Фамилия Имя Отчество", "777", 10);
         Assert.That(() => buyer.Validate(), Throws.TypeOf<ValidationException>());
     }
-
     [Test]
     public void AllFieldsIsCorrectTest()
     {
         var buyerId = Guid.NewGuid().ToString();
-        var fio = "Fio";
+        var fio = "Фамилия Имя Отчество";
         var phoneNumber = "+7-777-777-77-77";
         var scoreCount = 11;
         var buyer = CreateDataModel(buyerId, fio, phoneNumber, scoreCount);

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/DishDataModelTests.cs

@@ -0,0 +1,73 @@
+using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class DishDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var dish = CreateDataModel(null, "name", DishType.Soups, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(),Throws.TypeOf<ValidationException>());
+        dish = CreateDataModel(string.Empty, "name", DishType.Soups, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var dish = CreateDataModel("id", "name", DishType.Soups, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishNameIsEmptyTest()
+    {
+        var dish = CreateDataModel(Guid.NewGuid().ToString(), null, DishType.Soups, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+        dish = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, DishType.Soups, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishTypeIsNoneTest()
+    {
+        var dish = CreateDataModel(Guid.NewGuid().ToString(), null, DishType.None, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void IngredientsIsNoneTest()
+    {
+        var dish = CreateDataModel(Guid.NewGuid().ToString(), null, DishType.None, Ingredients.Meat, 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void PriceIsLessOrZeroTest()
+    {
+        var dish = CreateDataModel(Guid.NewGuid().ToString(), "name", DishType.Soups, Ingredients.Meat, 0, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+        dish = CreateDataModel(Guid.NewGuid().ToString(), "name", DishType.Soups, Ingredients.Meat, - 10, false);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var dishId = Guid.NewGuid().ToString();
+        var dishName = "name";
+        var dishType = DishType.Soups;
+        var ingredients = Ingredients.Meat;
+        var dishPrice = 10;
+        var dishIsDelete = false;
+        var dish = CreateDataModel(dishId, dishName, dishType, ingredients, dishPrice, dishIsDelete);
+        Assert.That(() => dish.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(dish.Id, Is.EqualTo(dishId));
+            Assert.That(dish.DishName, Is.EqualTo(dishName));
+            Assert.That(dish.DishType, Is.EqualTo(dishType));
+            Assert.That(dish.Price, Is.EqualTo(dishPrice));
+            Assert.That(dish.IsDeleted, Is.EqualTo(dishIsDelete));
+        });
+    }
+    private static DishDataModel CreateDataModel(string? id, string? dishName, DishType dishType, Ingredients ingredients,
+        double price, bool isDeleted) =>
+        new(id, dishName, dishType, ingredients, price, isDeleted);
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/DishHistoryDataModelTests.cs

@@ -0,0 +1,47 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class DishHistoryDataModelTests
+{
+    [Test]
+    public void DishIdIsNullOrEmptyTest()
+    {
+        var dish = CreateDataModel(null, 10);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+        dish = CreateDataModel(string.Empty, 10);
+        Assert.That(() => dish.Validate(),  Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishIdIsNotGuidTest()
+    {
+        var dish = CreateDataModel("id", 10);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void OldPriceIsLessOrZeroTest()
+    {
+        var dish = CreateDataModel(Guid.NewGuid().ToString(), 0);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+        dish = CreateDataModel(Guid.NewGuid().ToString(), -10);
+        Assert.That(() => dish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var dishId = Guid.NewGuid().ToString();
+        var oldPrice = 10;
+        var dishHistory = CreateDataModel(dishId, oldPrice);
+        Assert.That(() => dishHistory.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(dishHistory.DishId, Is.EqualTo(dishId));
+            Assert.That(dishHistory.OldPrice, Is.EqualTo(oldPrice));
+            Assert.That(dishHistory.ChangeDate, Is.LessThan(DateTime.UtcNow));
+            Assert.That(dishHistory.ChangeDate, Is.GreaterThan(DateTime.UtcNow.AddMinutes(-1)));
+        });
+    }
+    private static DishHistoryDataModel CreateDataModel(string? dishId, double oldPrice) =>
+        new(dishId, oldPrice);
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/OrderDataModelTests.cs

@@ -0,0 +1,96 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class OrderDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(null, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var order = CreateDataModel("id", Guid.NewGuid().ToString(),
+            Guid.NewGuid().ToString(), 10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void WorkerIdIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), null, Guid.NewGuid().ToString(), 
+            10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, Guid.NewGuid().ToString(), 
+            10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void WorkerIdIsNotGuidTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), "workerId", Guid.NewGuid().ToString(),
+            10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void BuyerIdIsNotGuidTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "buyerId", 
+            10, false, 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, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(),
+            -10, false, CreateSubDataModel());
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishsIsNullOrEmptyTest()
+    {
+        var order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 
+            10, false, null);
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+        order = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 
+            10, false, []);
+        Assert.That(() => order.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var orderId = Guid.NewGuid().ToString();
+        var workerId = Guid.NewGuid().ToString();
+        var buyerId = Guid.NewGuid().ToString();
+        var sum = 10;
+        var isCancel = true;
+        var dishes = CreateSubDataModel();
+        var order = CreateDataModel(orderId, workerId, buyerId, sum, isCancel, dishes);
+        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.BuyerId, Is.EqualTo(buyerId));
+            Assert.That(order.Sum, Is.EqualTo(sum));
+            Assert.That(order.IsCancel, Is.EqualTo(isCancel));
+            Assert.That(order.Dishes, Is.EquivalentTo(dishes));
+        });
+    }
+    private static OrderDataModel CreateDataModel(string? id, string? workerId, string? buyerId, double sum, 
+        bool isCancel, List<OrderDishDataModel>? dishes) =>
+        new(id, workerId, buyerId, sum, isCancel, dishes);
+    private static List<OrderDishDataModel> CreateSubDataModel() => [new(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 1)];
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/OrderDishDataModelTests.cs

@@ -0,0 +1,62 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class OrderDishDataModelTests
+{
+    [Test]
+    public void OrderIdIsNullOrEmptyTest()
+    {
+        var orderDish = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void OrderIdIsNotGuidTest()
+    {
+        var orderDish = CreateDataModel("orderId", Guid.NewGuid().ToString(), 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishIdIsNullOrEmptyTest()
+    {
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+        orderDish = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void DishIdIsNotGuidTest()
+    {
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), "dishId", 10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void CountIsLessOrZeroTest()
+    {
+        var orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+        orderDish = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
+        Assert.That(() => orderDish.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var orderId = Guid.NewGuid().ToString();
+        var dishId = Guid.NewGuid().ToString();
+        var count = 10;
+        var orderDish = CreateDataModel(orderId, dishId, count);
+        Assert.That(() => orderDish.Validate(), Throws.Nothing);
+        Assert.Multiple(() =>
+        {
+            Assert.That(orderDish.OrderId, Is.EqualTo(orderId));
+            Assert.That(orderDish.DishId, Is.EqualTo(dishId));
+            Assert.That(orderDish.Count, Is.EqualTo(count));
+        });
+    }
+    private static OrderDishDataModel CreateDataModel(string? orderId, string? dishId, int count) =>
+        new(orderId, dishId, count);
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/PostDataModelTests.cs

@@ -0,0 +1,85 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Enums;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class PostDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var post = CreateDataModel(null, Guid.NewGuid().ToString(), "name", PostType.Assistant, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), "name", PostType.Assistant, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void IdIsNotGuidTest()
+    {
+        var post = CreateDataModel("id", Guid.NewGuid().ToString(), "name", PostType.Assistant, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void PostIdIsNullEmptyTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), null, "name", PostType.Assistant, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), string.Empty, "name", PostType.Assistant, 10, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void PostIdIsNotGuidTest()
+    {
+        var post = CreateDataModel(Guid.NewGuid().ToString(), "postId", "name", PostType.Assistant, 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.Assistant, 10, true, DateTime.UtcNow); 
+        Assert.That(() => manufacturer.Validate(), Throws.TypeOf<ValidationException>());
+        manufacturer = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), string.Empty, PostType.Assistant, 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.Assistant, 0, true, DateTime.UtcNow);
+        Assert.That(() => post.Validate(), Throws.TypeOf<ValidationException>());
+        post = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), "name", PostType.Assistant, -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.Assistant;
+        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);
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/SalaryDataModelTests.cs

@@ -0,0 +1,47 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+namespace BitterlyAndExclamationMarkTests.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);
+}

BitterlyAndExclamationMarkProject/BitterlyAndExclamationMarkTests/DataModelsTests/WorkerDataModelTests.cs

@@ -0,0 +1,97 @@
+using BitterlyAndExclamationMarkContracts.DataModels;
+using BitterlyAndExclamationMarkContracts.Exceptions;
+namespace BitterlyAndExclamationMarkTests.DataModelsTests;
+
+[TestFixture]
+internal class WorkerDataModelTests
+{
+    [Test]
+    public void IdIsNullOrEmptyTest()
+    {
+        var worker = CreateDataModel(null, "Фамилия Имя Отчество", Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(string.Empty, "Фамилия Имя Отчество", 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", "Фамилия Имя Отчество", 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 FIOIsIncorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "Ф",
+            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(), "Фамилия Имя Отчество", null,
+            DateTime.Now.AddYears(-18), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+        worker = CreateDataModel(Guid.NewGuid().ToString(), "Фамилия Имя Отчество",
+            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(), "Фамилия Имя Отчество",
+            "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(), "Фамилия Имя Отчество",
+            Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18).AddDays(1), DateTime.Now, false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void BirthDateAndEmploymentDateIsNotCorrectTest()
+    {
+        var worker = CreateDataModel(Guid.NewGuid().ToString(), "Фамилия Имя Отчество",
+            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(), "Фамилия Имя Отчество",
+            Guid.NewGuid().ToString(), DateTime.Now.AddYears(-18), DateTime.Now.AddYears(- 18), false);
+        Assert.That(() => worker.Validate(), Throws.TypeOf<ValidationException>());
+    }
+    [Test]
+    public void AllFieldsIsCorrectTest()
+    {
+        var workerId = Guid.NewGuid().ToString();
+        var fio = "Фамилия Имя Отчество";
+        var postId = Guid.NewGuid().ToString();
+        var birthDate = DateTime.Now.AddYears(-18).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);
+}