tuitio/test/UnitTests/Tuitio.Application.Tests/CommandHandlerTests.cs

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// Copyright (c) 2020 Tudor Stanciu
using MediatR;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.Threading.Tasks;
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using Tuitio.Application.CommandHandlers;
using Tuitio.Application.Tests.Fixtures;
using Tuitio.PublishedLanguage.Constants;
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using Tuitio.PublishedLanguage.Dto;
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using Xunit;
namespace Tuitio.Application.Tests
{
public class CommandHandlerTests : IClassFixture<DependencyInjectionFixture>, IDisposable
{
private readonly IServiceScope _tuitioScope;
private readonly IMediator _mediator;
public CommandHandlerTests(DependencyInjectionFixture fixture)
{
_tuitioScope = fixture.ServiceProvider.GetRequiredService<IServiceScopeFactory>().CreateScope();
_mediator = _tuitioScope.ServiceProvider.GetRequiredService<IMediator>();
}
public void Dispose()
{
_tuitioScope.Dispose();
}
[Fact]
public async Task AccountLoginHandler_Handle_Success()
{
// Arrange
var userName = "tuitio.user";
var password = "pass123";
var command = new AccountLoginHandler.Command(userName, password);
// Act
var result = await _mediator.Send(command);
// Assert
Assert.NotNull(result);
Assert.NotNull(result.Result);
Assert.Null(result.Error);
Assert.NotEmpty(result.Result.Token);
Assert.True(result.Result.ExpiresIn > 0, "Token expiration must be a positive number.");
}
[Fact]
public async Task AccountLoginHandler_Handle_Failed()
{
// Arrange
var userName = "tuitio.user";
var password = "wrong_password";
var command = new AccountLoginHandler.Command(userName, password);
// Act
var result = await _mediator.Send(command);
// Assert
Assert.NotNull(result);
Assert.Null(result.Result);
Assert.NotNull(result.Error);
Assert.NotEmpty(result.Error);
Assert.Equal(EnvelopeError.BAD_CREDENTIALS, result.Error);
}
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[Fact]
public async Task AccountLogoutHandler_Handle_Success()
{
// Arrange
var userName = "tuitio.user";
var password = "pass123";
var loginCommand = new AccountLoginHandler.Command(userName, password);
var loginResult = await _mediator.Send(loginCommand);
var logoutCommand = new AccountLogoutHandler.Command(loginResult.Result.Token);
// Act
Envelope<AccountLogoutResult> logoutResult;
using (var scope = _tuitioScope.ServiceProvider.CreateScope())
{
var newMediator = scope.ServiceProvider.GetRequiredService<IMediator>();
logoutResult = await newMediator.Send(logoutCommand);
}
// Assert
Assert.NotNull(logoutResult);
Assert.NotNull(logoutResult.Result);
Assert.Null(logoutResult.Error);
Assert.Equal(userName, logoutResult.Result.UserName);
Assert.True((DateTime.UtcNow - logoutResult.Result.LogoutDate).TotalMinutes <= 1, "Logout date must be within the last minute.");
}
[Fact]
public async Task AccountLogoutHandler_Handle_Failed()
{
// Arrange
var unauthenticatedToken = "unauthenticated-token";
var command = new AccountLogoutHandler.Command(unauthenticatedToken);
// Act
var result = await _mediator.Send(command);
// Assert
Assert.NotNull(result);
Assert.Null(result.Result);
Assert.NotNull(result.Error);
Assert.NotEmpty(result.Error);
Assert.Equal(EnvelopeError.UNAUTHENTICATED, result.Error);
}
[Fact]
public async Task AuthorizationHandler_Handle_Success()
{
// Arrange
var userName = "tuitio.user";
var password = "pass123";
var loginCommand = new AccountLoginHandler.Command(userName, password);
var loginResult = await _mediator.Send(loginCommand);
var authorizationCommand = new AuthorizationHandler.Command(loginResult.Result.Token);
// Act
var authorizationResult = await _mediator.Send(authorizationCommand);
// Assert
Assert.NotNull(authorizationResult);
Assert.NotNull(authorizationResult.Result);
Assert.Null(authorizationResult.Error);
Assert.Equal(userName, authorizationResult.Result.UserName);
Assert.NotNull(authorizationResult.Result.SecurityStamp);
Assert.NotNull(authorizationResult.Result.LockStamp);
Assert.True(authorizationResult.Result.TokenId != Guid.Empty, "Token id cannot be an empty guid.");
Assert.True(authorizationResult.Result.ExpiresIn > 0, "Token expiration must be a positive number.");
}
[Fact]
public async Task AuthorizationHandler_Handle_Failed()
{
// Arrange
var unauthorizedToken = "unauthorized-token";
var command = new AuthorizationHandler.Command(unauthorizedToken);
// Act
var result = await _mediator.Send(command);
// Assert
Assert.NotNull(result);
Assert.Null(result.Result);
Assert.NotNull(result.Error);
Assert.NotEmpty(result.Error);
Assert.Equal(EnvelopeError.UNAUTHORIZED, result.Error);
}
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}
}