vegasco/tests/Vegasco.Server.Api.Tests.Integration/Consumptions/CreateConsumptionTests.cs

using FluentAssertions;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.DependencyInjection;
using System.Net;
using System.Net.Http.Json;
using Vegasco.Server.Api.Cars;
using Vegasco.Server.Api.Consumptions;
using Vegasco.Server.Api.Persistence;

namespace Vegasco.Server.Api.Tests.Integration.Consumptions;

[Collection(SharedTestCollection.Name)]
public class CreateConsumptionTests : IAsyncLifetime
{
	private readonly WebAppFactory _factory;
	private readonly IServiceScope _scope;
	private readonly ApplicationDbContext _dbContext;

	private readonly CarFaker _carFaker = new();
	private readonly ConsumptionFaker _consumptionFaker = new();

	public CreateConsumptionTests(WebAppFactory factory)
	{
		_factory = factory;
		_scope = _factory.Services.CreateScope();
		_dbContext = _scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
	}

	[Fact]
	public async Task CreateConsumption_ShouldCreateConsumption_WhenRequestIsValid()
	{
		// Arrange
		CreateCar.Response createdCarResponse = await CreateCarAsync();

		CreateConsumption.Request createConsumptionRequest = _consumptionFaker.CreateConsumptionRequest(createdCarResponse.Id);

		// Act
		using HttpResponseMessage response = await _factory.HttpClient.PostAsJsonAsync("v1/consumptions", createConsumptionRequest);

		// Assert
		response.StatusCode.Should().Be(HttpStatusCode.Created);
		CreateConsumption.Response? createdConsumption = await response.Content.ReadFromJsonAsync<CreateConsumption.Response>();
		createdConsumption.Should().BeEquivalentTo(createConsumptionRequest, o => o.ExcludingMissingMembers());

		_dbContext.Consumptions.Should().HaveCount(1)
			.And.ContainEquivalentOf(createdConsumption, o =>
				o.ExcludingMissingMembers()
					.Excluding(x => x!.Id)
					.Excluding(x => x!.CarId));

		Consumption singleConsumption = _dbContext.Consumptions.Single();
		singleConsumption.Id.Value.Should().Be(createdConsumption!.Id);
		singleConsumption.CarId.Value.Should().Be(createdConsumption.CarId);
	}

	[Fact]
	public async Task CreateConsumption_ShouldReturnValidationProblems_WhenRequestIsInvalid()
	{
		// Arrange
		CreateConsumption.Request createConsumptionRequest = _consumptionFaker.CreateConsumptionRequest(Guid.Empty);

		// Act
		using HttpResponseMessage response = await _factory.HttpClient.PostAsJsonAsync("v1/consumptions", createConsumptionRequest);

		// Assert
		response.StatusCode.Should().Be(HttpStatusCode.BadRequest);
		ValidationProblemDetails? validationProblemDetails = await response.Content.ReadFromJsonAsync<ValidationProblemDetails>();
		validationProblemDetails!.Errors.Keys.Should().Contain(x =>
			x.Equals(nameof(createConsumptionRequest.CarId), StringComparison.OrdinalIgnoreCase));

		_dbContext.Consumptions.Should().NotContainEquivalentOf(createConsumptionRequest, o => o.ExcludingMissingMembers());
	}

	private async Task<CreateCar.Response> CreateCarAsync()
	{
		CreateCar.Request createCarRequest = new CarFaker().CreateCarRequest();
		using HttpResponseMessage createCarResponse = await _factory.HttpClient.PostAsJsonAsync("v1/cars", createCarRequest);
		createCarResponse.EnsureSuccessStatusCode();
		CreateCar.Response? createdCarResponse = await createCarResponse.Content.ReadFromJsonAsync<CreateCar.Response>();
		return createdCarResponse!;
	}

	public Task InitializeAsync()
	{
		FluentAssertionConfiguration.SetupGlobalConfig();
		return Task.CompletedTask;
	}

	public async Task DisposeAsync()
	{
		_scope.Dispose();
		await _dbContext.DisposeAsync();
		await _factory.ResetDatabaseAsync();
	}
}