save checkpoint

src/Timeline/__Tests/StellaOps.Timeline.WebService.Tests/TimelineStartupRegistrationTests.cs

@@ -0,0 +1,37 @@
+using System.Net;
+using FluentAssertions;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc.Testing;
+using Microsoft.Extensions.Configuration;
+using Xunit;
+
+namespace StellaOps.Timeline.WebService.Tests;
+
+[Trait("Category", "Integration")]
+public sealed class TimelineStartupRegistrationTests
+{
+    [Fact]
+    public async Task Startup_WithPostgresStoreConfiguration_BuildsHost()
+    {
+        await using var factory = new WebApplicationFactory<StellaOps.Timeline.WebService.Program>()
+            .WithWebHostBuilder(builder =>
+            {
+                builder.UseEnvironment("Development");
+                builder.ConfigureAppConfiguration((_, config) =>
+                {
+                    config.AddInMemoryCollection(new Dictionary<string, string?>
+                    {
+                        ["Eventing:ServiceName"] = "timeline-tests",
+                        ["Eventing:UseInMemoryStore"] = "false",
+                        ["Eventing:ConnectionString"] = "Host=localhost;Port=5432;Database=timeline;Username=postgres;Password=postgres",
+                    });
+                });
+            });
+
+        using var client = factory.CreateClient();
+
+        var response = await client.GetAsync("/does-not-exist");
+
+        response.StatusCode.Should().Be(HttpStatusCode.NotFound);
+    }
+}