test(launcher): Campaign LA enforce composer-host contract

tests/AcDream.App.Tests/Configuration/SessionConfigurationSharedFixtureTests.cs

@@ -1,5 +1,6 @@
 using System.Runtime.CompilerServices;
 using AcDream.App.Configuration;
+using AcDream.Tests.Fixtures.CampaignLa;
 
 namespace AcDream.App.Tests.Configuration;
 
@@ -18,6 +19,43 @@ namespace AcDream.App.Tests.Configuration;
 /// </summary>
 public sealed class SessionConfigurationSharedFixtureTests
 {
+    [Fact]
+    public void AppReaderAcceptsLauncherCoreComposerDocument()
+    {
+        using TemporaryFile file = TemporaryFile.Create(
+            LauncherCoreSessionConfigFixture.Compose());
+
+        (SessionConfiguration configuration, SessionDescriptor session) =
+            SessionConfigurationLoader.Load(file.Path);
+
+        Assert.Equal("composer-contract", session.Id);
+        Assert.Equal("composer.example", session.Endpoint.Host);
+        Assert.Equal(9010, session.Endpoint.Port);
+        Assert.Equal("composer-account", session.Account);
+        Assert.Equal(0x50000001u, session.Character?.Id);
+        Assert.Equal("idle", session.Policy?.Id);
+        Assert.Equal(
+            SessionCredentialProviderKind.StandardInput,
+            session.Credential.Provider);
+        Assert.Equal("session", session.Credential.Reference);
+        Assert.Equal("composer-dats", configuration.Process?.Content?.DatDirectory);
+        Assert.Equal(
+            "composer-dats/acdream.pak",
+            configuration.Process?.Content?.PreparedAssetPath);
+        Assert.Equal(["ComposerPlugin"], session.Plugins);
+        Assert.Equal(["/composer command"], session.LoginCommands);
+        Assert.Equal(625, session.LoginCommandDelayMs);
+        string statusFile = Assert.IsType<string>(session.StatusFile);
+        Assert.EndsWith(
+            Path.Combine("composer-contract", "status.jsonl"),
+            statusFile,
+            StringComparison.Ordinal);
+        Assert.DoesNotContain(
+            LauncherCoreSessionConfigFixture.Password,
+            File.ReadAllText(file.Path),
+            StringComparison.Ordinal);
+    }
+
     [Fact]
     public void AppReaderAcceptsTheProductionShapedSharedFixture()
     {