Added prompt overrides for testing the BeyondFacts Lab (#1181)

app/Tests/BeyondFactsLab/BflPromptOverrideSettingTests.cs

@@ -0,0 +1,74 @@
+using AIStudio.Assistants.BeyondFactsLab;
+using AIStudio.Settings;
+
+using Lua;
+using Lua.Standard;
+
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace AIStudio.Tests.BeyondFactsLab;
+
+/// <summary>
+/// Checks that an organization can keep the prompts of the BeyondFacts Lab as they come with AI Studio.
+/// </summary>
+/// <remarks>
+/// The settings are reached through Program.SERVICE_PROVIDER, as in the app, because a managed setting writes its
+/// value and its lock there.
+/// </remarks>
+[TestFixture]
+public sealed class BflPromptOverrideSettingTests
+{
+    private static readonly Guid PLUGIN_ID = Guid.Parse("4f0c2b7e-8d31-4a96-b5e2-7c1d9a3e6f08");
+
+    private SettingsManager settingsManager = null!;
+    private ServiceProvider serviceProvider = null!;
+    private IServiceProvider previousServiceProvider = null!;
+
+    [SetUp]
+    public void CreateSettings()
+    {
+        // Creating the settings data registers every managed setting:
+        this.settingsManager = new SettingsManager(NullLogger<SettingsManager>.Instance, null!);
+
+        this.previousServiceProvider = Program.SERVICE_PROVIDER;
+        this.serviceProvider = new ServiceCollection().AddSingleton(this.settingsManager).BuildServiceProvider();
+        Program.SERVICE_PROVIDER = this.serviceProvider;
+    }
+
+    [TearDown]
+    public void RestoreApplicationState()
+    {
+        // The managed state of a setting outlives this fixture, so we release what the plugin took over:
+        ManagedConfiguration.CleanupLeftOverManagedConfigurations([], new HashSet<Guid>());
+
+        Program.SERVICE_PROVIDER = this.previousServiceProvider;
+        this.serviceProvider.Dispose();
+    }
+
+    [Test]
+    public async Task AnOrganizationCanSwitchOffThePromptOverridesForGood()
+    {
+        this.settingsManager.ConfigurationData.BeyondFactsLab.AllowPromptOverrides = true;
+
+        var state = LuaState.Create();
+        state.OpenBasicLibrary();
+        await state.DoStringAsync("""
+                                  SETTINGS = {}
+                                  SETTINGS["DataBeyondFactsLab.AllowPromptOverrides"] = false
+                                  """);
+
+        if (!state.Environment["SETTINGS"].TryRead<LuaTable>(out var settingsTable))
+            throw new InvalidOperationException("The settings of this test are not a Lua table.");
+
+        var processed = ManagedConfiguration.TryProcessConfiguration(x => x.BeyondFactsLab, x => x.AllowPromptOverrides, PLUGIN_ID, settingsTable, false);
+        ManagedConfiguration.TryGet(x => x.BeyondFactsLab, x => x.AllowPromptOverrides, out var configMeta);
+
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(processed, Is.True);
+            Assert.That(configMeta.IsLocked, Is.True);
+            Assert.That(BflPromptOverrides.ActiveDirectory(this.settingsManager.ConfigurationData.BeyondFactsLab, "prompts"), Is.Null);
+        }
+    }
+}