Add integration tests

tests/WebApi.Tests.Integration/Cars/CreateCarTests.cs

@@ -0,0 +1,70 @@
+using FluentAssertions;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using System.Net;
+using System.Net.Http.Json;
+using Vegasco.WebApi.Cars;
+using Vegasco.WebApi.Persistence;
+
+namespace WebApi.Tests.Integration.Cars;
+
+[Collection(SharedTestCollection.Name)]
+public class CreateCarTests : IAsyncLifetime
+{
+	private readonly WebAppFactory _factory;
+	private readonly IServiceScope _scope;
+	private readonly ApplicationDbContext _dbContext;
+
+	private readonly CarFaker _carFaker = new();
+
+	public CreateCarTests(WebAppFactory factory)
+	{
+		_factory = factory;
+		_scope = _factory.Services.CreateScope();
+		_dbContext = _scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
+	}
+
+	[Fact]
+	public async Task CreateCar_ShouldCreateCar_WhenRequestIsValid()
+	{
+		// Arrange
+		var createCarRequest = _carFaker.CreateCarRequest();
+
+		// Act
+		var response = await _factory.HttpClient.PostAsJsonAsync("v1/cars", createCarRequest);
+
+		// Assert
+		response.StatusCode.Should().Be(HttpStatusCode.Created);
+		var createdCar = await response.Content.ReadFromJsonAsync<CreateCar.Response>();
+		createdCar.Should().BeEquivalentTo(createCarRequest, o => o.ExcludingMissingMembers());
+
+		_dbContext.Cars.Should().ContainEquivalentOf(createdCar);
+	}
+
+	[Fact]
+	public async Task CreateCar_ShouldReturnValidationProblems_WhenRequestIsNotValid()
+	{
+		// Arrange
+		var createCarRequest = new CreateCar.Request("");
+
+		// Act
+		var response = await _factory.HttpClient.PostAsJsonAsync("v1/cars", createCarRequest);
+
+		// Assert
+		response.StatusCode.Should().Be(HttpStatusCode.BadRequest);
+		var validationProblemDetails = await response.Content.ReadFromJsonAsync<ValidationProblemDetails>();
+		validationProblemDetails!.Errors.Keys.Should().Contain(x =>
+			x.Equals(nameof(CreateCar.Request.Name), StringComparison.OrdinalIgnoreCase));
+
+		_dbContext.Cars.Should().NotContainEquivalentOf(createCarRequest, o => o.ExcludingMissingMembers());
+	}
+
+	public Task InitializeAsync() => Task.CompletedTask;
+
+	public async Task DisposeAsync()
+	{
+		_scope.Dispose();
+		await _dbContext.DisposeAsync();
+		await _factory.ResetDatabaseAsync();
+	}
+}