Add integration test infrastructure

- Create backend integration test project with xUnit - Add required packages: TestHost, Mvc.Testing, EF InMemory, FluentAssertions - Add project reference to backend API - Create IntegrationTestBase class with WebApplicationFactory setup - Install Supertest for HTTP integration testing
2026-04-08 20:23:48 +02:00
parent d3ec22aa99
commit 3421818d41
17 changed files with 4916 additions and 0 deletions
@@ -0,0 +1,86 @@
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using RacePlannerApi.Data;
+using System.Net.Http.Headers;
+using System.Net.Http.Json;
+using System.Text.Json;
+using Xunit;
+
+namespace backend.Tests.Integration;
+
+public class IntegrationTestBase : IClassFixture<WebApplicationFactory<Program>>
+{
+    protected readonly WebApplicationFactory<Program> _factory;
+    protected readonly HttpClient _client;
+    protected readonly JsonSerializerOptions _jsonOptions = new(JsonSerializerDefaults.Web);
+
+    public IntegrationTestBase(WebApplicationFactory<Program> factory)
+    {
+        _factory = factory.WithWebHostBuilder(builder =>
+        {
+            builder.ConfigureServices(services =>
+            {
+                // Replace the database context with an in-memory database
+                var descriptor = services.SingleOrDefault(
+                    d => d.ServiceType == typeof(DbContextOptions<RacePlannerDbContext>));
+                
+                if (descriptor != null)
+                {
+                    services.Remove(descriptor);
+                }
+
+                services.AddDbContext<RacePlannerDbContext>(options =>
+                {
+                    options.UseInMemoryDatabase("IntegrationTestDb");
+                });
+
+                // Ensure the database is created and seeded
+                var sp = services.BuildServiceProvider();
+                using var scope = sp.CreateScope();
+                var db = scope.ServiceProvider.GetRequiredService<RacePlannerDbContext>();
+                db.Database.EnsureCreated();
+            });
+        });
+
+        _client = _factory.CreateClient();
+    }
+
+    protected HttpClient CreateAuthenticatedClient(string token = "")
+    {
+        var client = _factory.CreateClient();
+        if (!string.IsNullOrEmpty(token))
+        {
+            client.DefaultRequestHeaders.Authorization = 
+                new AuthenticationHeaderValue("Bearer", token);
+        }
+        return client;
+    }
+
+    protected async Task<T?> GetAsync<T>(string url)
+    {
+        var response = await _client.GetAsync(url);
+        response.EnsureSuccessStatusCode();
+        return await response.Content.ReadFromJsonAsync<T>(_jsonOptions);
+    }
+
+    protected async Task<TResponse?> PostAsync<TRequest, TResponse>(string url, TRequest data)
+    {
+        var response = await _client.PostAsJsonAsync(url, data, _jsonOptions);
+        response.EnsureSuccessStatusCode();
+        return await response.Content.ReadFromJsonAsync<TResponse>(_jsonOptions);
+    }
+
+    protected async Task<TResponse?> PutAsync<TRequest, TResponse>(string url, TRequest data)
+    {
+        var response = await _client.PutAsJsonAsync(url, data, _jsonOptions);
+        response.EnsureSuccessStatusCode();
+        return await response.Content.ReadFromJsonAsync<TResponse>(_jsonOptions);
+    }
+
+    protected async Task DeleteAsync(string url)
+    {
+        var response = await _client.DeleteAsync(url);
+        response.EnsureSuccessStatusCode();
+    }
+}