Adding Flags API

tests/api/MicCheck.Api.Tests.Unit/MicCheckWebApplicationFactory.cs

@@ -0,0 +1,37 @@
+using MicCheck.Api.Data;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace MicCheck.Api.Tests.Unit;
+
+public class MicCheckWebApplicationFactory : WebApplicationFactory<Program>
+{
+    private static readonly IServiceProvider InMemoryEfServiceProvider =
+        new ServiceCollection()
+            .AddEntityFrameworkInMemoryDatabase()
+            .BuildServiceProvider();
+
+    protected override void ConfigureWebHost(IWebHostBuilder builder)
+    {
+        var dbName = Guid.NewGuid().ToString();
+
+        builder.UseEnvironment("Testing");
+        builder.ConfigureServices(services =>
+        {
+            var contextDescriptor = services.SingleOrDefault(d => d.ServiceType == typeof(MicCheckDbContext));
+            if (contextDescriptor is not null)
+                services.Remove(contextDescriptor);
+
+            var optionsDescriptor = services.SingleOrDefault(d => d.ServiceType == typeof(DbContextOptions<MicCheckDbContext>));
+            if (optionsDescriptor is not null)
+                services.Remove(optionsDescriptor);
+
+            services.AddDbContext<MicCheckDbContext>(options =>
+                options
+                    .UseInMemoryDatabase(dbName)
+                    .UseInternalServiceProvider(InMemoryEfServiceProvider));
+        });
+    }
+}