vegasco/tests/WebApi.Tests.Integration/Consumptions/GetConsumptionsTests.cs

using FluentAssertions;
using Microsoft.Extensions.DependencyInjection;
using System.Net;
using System.Net.Http.Json;
using Vegasco.WebApi.Cars;
using Vegasco.WebApi.Consumptions;
using Vegasco.WebApi.Persistence;

namespace WebApi.Tests.Integration.Consumptions;

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

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

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

	[Fact]
	public async Task GetConsumptions_ShouldReturnConsumptions_WhenConsumptionsExist()
	{
		// Arrange
		List<CreateConsumption.Response> createdConsumptions = [];
		const int numberOfConsumptions = 3;
		for (var i = 0; i < numberOfConsumptions; i++)
		{
			CreateConsumption.Response createdConsumption = await CreateConsumptionAsync();
			createdConsumptions.Add(createdConsumption);
		}

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

		// Assert
		response.StatusCode.Should().Be(HttpStatusCode.OK);
		var consumptions = await response.Content.ReadFromJsonAsync<List<GetConsumptions.Response>>();
		consumptions.Should().BeEquivalentTo(createdConsumptions);
	}

	[Fact]
	public async Task GetConsumptions_ShouldReturnEmptyList_WhenNoConsumptionsExist()
	{
		// Arrange

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

		// Assert
		response.StatusCode.Should().Be(HttpStatusCode.OK);
		var consumptions = await response.Content.ReadFromJsonAsync<List<GetConsumptions.Response>>();
		consumptions.Should().BeEmpty();
	}

	private async Task<CreateConsumption.Response> CreateConsumptionAsync()
	{
		CreateCar.Response createdCarResponse = await CreateCarAsync();
		CreateConsumption.Request createConsumptionRequest = _consumptionFaker.CreateConsumptionRequest(createdCarResponse.Id);
		using HttpResponseMessage response = await _factory.HttpClient.PostAsJsonAsync("v1/consumptions", createConsumptionRequest);
		response.EnsureSuccessStatusCode();
		var createdConsumption = await response.Content.ReadFromJsonAsync<CreateConsumption.Response>();
		return createdConsumption!;
	}

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