88 lines
2.9 KiB
C#
88 lines
2.9 KiB
C#
using FluentAssertions;
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using NSubstitute;
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using Knot.Modules.Identity.Application.Abstractions;
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using Knot.Modules.Identity.Application.Users.Login;
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using Knot.Modules.Identity.Domain;
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using Knot.Shared.Kernel;
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using Knot.Modules.Identity.Application.Users.Auth;
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using Xunit;
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using System.Threading;
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using System.Threading.Tasks;
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namespace Knot.Modules.Identity.UnitTests;
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public class LoginUserCommandHandlerTests
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{
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private readonly IUserRepository _userRepository;
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private readonly IJwtTokenProvider _tokenProvider;
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private readonly LoginUserCommandHandler _handler;
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public LoginUserCommandHandlerTests()
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{
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_userRepository = Substitute.For<IUserRepository>();
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_tokenProvider = Substitute.For<IJwtTokenProvider>();
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_handler = new LoginUserCommandHandler(_userRepository, _tokenProvider);
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}
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[Fact]
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public async Task Handle_ShouldReturnToken_WhenCredentialsAreValid()
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{
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// Arrange
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var password = "password123";
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var passwordHash = BCrypt.Net.BCrypt.HashPassword(password);
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var user = User.Create("testuser", passwordHash, "Test User", null, null);
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var command = new LoginUserCommand("testuser", password);
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_userRepository.GetByUsernameAsync(command.Username, Arg.Any<CancellationToken>())
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.Returns(user);
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_tokenProvider.Generate(user).Returns("valid-jwt-token");
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// Act
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var result = await _handler.Handle(command, CancellationToken.None);
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// Assert
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result.IsSuccess.Should().BeTrue();
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result.Value.Token.Should().Be("valid-jwt-token");
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result.Value.User.Username.Should().Be("testuser");
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}
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[Fact]
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public async Task Handle_ShouldReturnFailure_WhenUserDoesNotExist()
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{
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// Arrange
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var command = new LoginUserCommand("nonexistent", "password123");
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_userRepository.GetByUsernameAsync(command.Username, Arg.Any<CancellationToken>())
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.Returns((User)null!);
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// Act
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var result = await _handler.Handle(command, CancellationToken.None);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Code.Should().Be(IdentityErrors.IdentityInvalidCredentials.Code);
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}
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[Fact]
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public async Task Handle_ShouldReturnFailure_WhenPasswordIsInvalid()
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{
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// Arrange
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var correctPassword = "correctPassword";
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var passwordHash = BCrypt.Net.BCrypt.HashPassword(correctPassword);
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var user = User.Create("testuser", passwordHash, "Test User", null, null);
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var command = new LoginUserCommand("testuser", "wrongPassword");
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_userRepository.GetByUsernameAsync(command.Username, Arg.Any<CancellationToken>())
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.Returns(user);
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// Act
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var result = await _handler.Handle(command, CancellationToken.None);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Code.Should().Be(IdentityErrors.IdentityInvalidCredentials.Code);
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}
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}
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