Tests

SchengenVisaApi/VisaApiTests/Tests/Application/Validation/Auth/AuthDataValidatorTests.cs

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+using System.Text;
+using ApplicationLayer.Services.AuthServices.Common;
+using ApplicationLayer.Services.AuthServices.Requests.Validation;
+using Domains;
+using FluentAssertions;
+using FluentValidation;
+using VisaApi.Fakers.Auth;
+using Xunit;
+
+namespace VisaApi.Tests.Application.Validation.Auth
+{
+    public class AuthDataValidatorTests
+    {
+        private readonly static IValidator<AuthData> validator = new AuthDataValidator();
+        private readonly static AuthDataFaker faker = new();
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return validation error for invalid email
+        /// </summary>
+        [Fact]
+        private async Task ValidateForInvalidEmailShouldReturnError()
+        {
+            var authData = faker.Generate();
+            authData.Email = "alsdas'dsa";
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Should()
+                .HaveCount(1)
+                .And.Contain(error => error.PropertyName == nameof(authData.Email));
+        }
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return validation error for too long email
+        /// </summary>
+        [Fact]
+        private async Task ValidateForLongEmailShouldReturnError()
+        {
+            var authData = faker.Generate();
+            var stringBuilder = new StringBuilder();
+            stringBuilder.Append('d', ConfigurationConstraints.EmailLength);
+            stringBuilder.Append("@mail.ru");
+            authData.Email = stringBuilder.ToString();
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Should()
+                .HaveCount(1)
+                .And.Contain(error => error.PropertyName == nameof(authData.Email));
+        }
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return no errors for valid email
+        /// </summary>
+        [Fact]
+        private async Task ValidateForValidEmailShouldReturnNoError()
+        {
+            var authData = faker.Generate();
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Where(error => error.PropertyName == nameof(authData.Email))
+                .Should().BeEmpty();
+        }
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return validation error for empty password
+        /// </summary>
+        [Fact]
+        private async Task ValidateForEmptyPasswordShouldReturnError()
+        {
+            var authData = faker.Generate();
+            authData.Password = string.Empty;
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Should()
+                .HaveCount(1)
+                .And.Contain(error => error.PropertyName == nameof(authData.Password));
+        }
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return validation error for too long password
+        /// </summary>
+        [Fact]
+        private async Task ValidateForLongPasswordShouldReturnError()
+        {
+            var authData = faker.Generate();
+            var stringBuilder = new StringBuilder();
+            stringBuilder.Append('d', ConfigurationConstraints.PasswordLength + 1);
+            authData.Password = stringBuilder.ToString();
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Should()
+                .HaveCount(1)
+                .And.Contain(error => error.PropertyName == nameof(authData.Password));
+        }
+
+        /// <summary>
+        /// Test for <see cref="AuthData"/> validator that should return no errors for valid password
+        /// </summary>
+        [Fact]
+        private async Task ValidateForValidPasswordShouldReturnNoError()
+        {
+            var authData = faker.Generate();
+
+            var result = await validator.ValidateAsync(authData);
+
+            result.Errors.Where(error => error.PropertyName == nameof(authData.Password))
+                .Should().BeEmpty();
+        }
+    }
+}

SchengenVisaApi/VisaApiTests/Tests/Application/Validation/Auth/RegisterRequestValidatorTests.cs

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+using ApplicationLayer.InfrastructureServicesInterfaces;
+using ApplicationLayer.Services.AuthServices.Common;
+using ApplicationLayer.Services.AuthServices.Requests;
+using ApplicationLayer.Services.AuthServices.Requests.Validation;
+using FluentAssertions;
+using FluentValidation;
+using Infrastructure.Database;
+using Infrastructure.Database.Users.Repositories;
+using VisaApi.Fakers.Auth;
+using VisaApi.Fakers.Users;
+using VisaApi.Tests.Infrastructure.Database;
+using Xunit;
+
+namespace VisaApi.Tests.Application.Validation.Auth
+{
+    [Collection(Collections.ContextUsingTestCollection)]
+    public class RegisterRequestValidatorTests
+    {
+        private readonly static IValidator<AuthData> authDataValidator = new AuthDataValidator();
+        private readonly static RegisterRequestFaker requestFaker = new();
+        private readonly static UserFaker userFaker = new();
+
+        /// <summary>
+        /// Creates validator from context
+        /// </summary>
+        /// <param name="context">db context</param>
+        /// <returns>RegisterRequest validator</returns>
+        private static IValidator<RegisterRequest> GetValidator(DbContext context)
+        {
+            var repository = new UsersRepository(context, context);
+            return new RegisterRequestValidator(repository, authDataValidator);
+        }
+
+        /// <summary>
+        /// Test for <see cref="RegisterRequest"/> validator that should throw for empty auth data
+        /// </summary>
+        [Fact]
+        private async Task ValidateForEmptyAuthDataShouldThrow()
+        {
+            var context = InMemoryContextProvider.GetDbContext();
+            var validator = GetValidator(context);
+            var request = requestFaker.Generate();
+            request.AuthData = null!;
+            NullReferenceException? result = null;
+
+            try
+            {
+                await validator.ValidateAsync(request);
+            }
+            catch (Exception e)
+            {
+                result = e as NullReferenceException;
+            }
+
+            result.Should().NotBeNull();
+        }
+
+        /// <summary>
+        /// Test for <see cref="RegisterRequest"/> validator that should return error for used email
+        /// </summary>
+        [Fact]
+        private async Task ValidateForUsedEmailShouldReturnError()
+        {
+            var context = InMemoryContextProvider.GetDbContext();
+            var validator = GetValidator(context);
+            var user = userFaker.Generate();
+            await context.AddAsync(user);
+            await context.SaveChangesAsync();
+            var request = requestFaker.Generate();
+            request.AuthData.Email = user.Email;
+
+            var result = await validator.ValidateAsync(request);
+
+            result.Errors.Should()
+                .Contain(error => error.PropertyName == nameof(request.AuthData))
+                .And.HaveCount(1);
+        }
+
+        /// <summary>
+        /// Test for <see cref="RegisterRequest"/> validator that should return o errors for valid requests
+        /// </summary>
+        [Fact]
+        private async Task ValidateForValidRequestShouldReturnNoErrors()
+        {
+            var context = InMemoryContextProvider.GetDbContext();
+            var validator = GetValidator(context);
+            var request = requestFaker.Generate();
+
+            var result = await validator.ValidateAsync(request);
+
+            result.Errors.Should().BeEmpty();
+        }
+    }
+}