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VisaApiTests/Tests/Application/Validation/Applicants/PassportModelValidatorTests.cs

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+using System.Text;
+using ApplicationLayer.InfrastructureServicesInterfaces;
+using ApplicationLayer.Services.Applicants.Models;
+using ApplicationLayer.Services.Applicants.Models.Validation;
+using Domains;
+using FluentAssertions;
+using FluentValidation;
+using VisaApi.Fakers.Applicants.Requests;
+using VisaApi.Services;
+using Xunit;
+
+namespace VisaApi.Tests.Application.Validation.Applicants;
+
+public class PassportModelValidatorTests
+{
+    private readonly static IDateTimeProvider dateTimeProvider = new TestDateTimeProvider();
+    private readonly static IValidator<PassportModel> validator = new PassportModelValidator(dateTimeProvider);
+    private readonly static PassportModelFaker faker = new();
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for empty number
+    /// </summary>
+    [Fact]
+    private async Task ValidateForEmptyNumberShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.Number = string.Empty;
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Number))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for too long number
+    /// </summary>
+    [Fact]
+    private async Task ValidateForLongNumberShouldReturnError()
+    {
+        var model = faker.Generate();
+        var stringBuilder = new StringBuilder();
+        stringBuilder.Append('d', ConfigurationConstraints.PassportNumberLength + 1);
+        model.Number = stringBuilder.ToString();
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Number))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for not valid number
+    /// </summary>
+    [Fact]
+    private async Task ValidateForNotValidNumberShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.Number = "&?%$24asd\\]|";
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Number))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for empty issuer
+    /// </summary>
+    [Fact]
+    private async Task ValidateForEmptyIssuerShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.Issuer = string.Empty;
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Issuer))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for too long issuer
+    /// </summary>
+    [Fact]
+    private async Task ValidateForLongIssuerShouldReturnError()
+    {
+        var model = faker.Generate();
+        var stringBuilder = new StringBuilder();
+        stringBuilder.Append('d', ConfigurationConstraints.IssuerNameLength + 1);
+        model.Issuer = stringBuilder.ToString();
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Issuer))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for not valid issuer
+    /// </summary>
+    [Fact]
+    private async Task ValidateForNotValidIssuerShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.Issuer = "&?%$24asd\\]|";
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.Issuer))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for expired passport
+    /// </summary>
+    [Fact]
+    private async Task ValidateForExpiredPassportShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.ExpirationDate = dateTimeProvider.Now().AddDays(-10);
+        model.IssueDate = model.ExpirationDate.AddDays(-10);
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.ExpirationDate))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for passport from future
+    /// </summary>
+    [Fact]
+    private async Task ValidateForPassportFromFutureShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.ExpirationDate = dateTimeProvider.Now().AddDays(10);
+        model.IssueDate = model.ExpirationDate.AddDays(-3);
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.IssueDate))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return error for passport that expired before issue
+    /// </summary>
+    [Fact]
+    private async Task ValidateForPassportExpiredBeforeIssueShouldReturnError()
+    {
+        var model = faker.Generate();
+        model.ExpirationDate = dateTimeProvider.Now().AddDays(10);
+        model.IssueDate = model.ExpirationDate.AddDays(3);
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Where(error => error.PropertyName == nameof(model.IssueDate))
+            .Should().HaveCount(1);
+    }
+
+    /// <summary>
+    /// Test for <see cref="PassportModel"/> validator that should return no errors for valid passport
+    /// </summary>
+    [Fact]
+    private async Task ValidateForValidPassportShouldReturnNoErrors()
+    {
+        var model = faker.Generate();
+
+        var result = await validator.ValidateAsync(model);
+
+        result.Errors.Should().BeEmpty();
+    }
+}