Add integration tests

tests/WebApi.Tests.Integration/WebAppFactory.cs

@@ -0,0 +1,79 @@
+using DotNet.Testcontainers.Images;
+using Microsoft.AspNetCore.Authorization.Policy;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection.Extensions;
+using Testcontainers.PostgreSql;
+using Vegasco.WebApi.Common;
+using Vegasco.WebApi.Persistence;
+
+namespace WebApi.Tests.Integration;
+
+public sealed class WebAppFactory : WebApplicationFactory<IWebApiMarker>, IAsyncLifetime
+{
+	private readonly PostgreSqlContainer _database = new PostgreSqlBuilder()
+		.WithImage(DockerImage)
+		.WithImagePullPolicy(PullPolicy.Always)
+		.Build();
+
+	private const string DockerImage = "postgres:16.3-alpine";
+
+	public HttpClient HttpClient => CreateClient();
+
+	private PostgresRespawner? _postgresRespawner;
+
+	public async Task InitializeAsync()
+	{
+		await _database.StartAsync();
+
+		// Force application startup (i.e. initialization and validation)
+		_ = CreateClient();
+
+		using var scope = Services.CreateScope();
+		await using var dbContext = scope.ServiceProvider.GetRequiredService<ApplicationDbContext>();
+		await dbContext.Database.MigrateAsync();
+
+		_postgresRespawner = await PostgresRespawner.CreateAsync(_database.GetConnectionString());
+	}
+
+	protected override void ConfigureWebHost(IWebHostBuilder builder)
+	{
+		IEnumerable<KeyValuePair<string, string?>> customConfig =
+		[
+			new KeyValuePair<string, string?>("ConnectionStrings:Database", _database.GetConnectionString()),
+			new KeyValuePair<string, string?>("JWT:Authority", "https://localhost"),
+			new KeyValuePair<string, string?>("JWT:Audience", "https://localhost"),
+			new KeyValuePair<string, string?>("JWT:Issuer", "https://localhost"),
+			new KeyValuePair<string, string?>("JWT:NameClaimType", null),
+		];
+
+		builder.UseConfiguration(new ConfigurationBuilder()
+			.AddInMemoryCollection(customConfig)
+			.Build());
+
+		builder.ConfigureServices(services =>
+		{
+		});
+
+		builder.ConfigureTestServices(services =>
+		{
+			services.RemoveAll<IPolicyEvaluator>();
+			services.AddSingleton<IPolicyEvaluator, TestUserAlwaysAuthorizedPolicyEvaluator>();
+		});
+	}
+
+	public async Task ResetDatabaseAsync()
+	{
+		await _postgresRespawner!.ResetDatabaseAsync();
+	}
+
+	async Task IAsyncLifetime.DisposeAsync()
+	{
+		_postgresRespawner!.Dispose();
+		await _database.DisposeAsync();
+	}
+}