Added a Send to menu to every chat message and kept restrictions when sending content on (#1124)

app/Tests/Tools/AssistantLaunch/AssistantLaunchServiceTests.cs

@@ -0,0 +1,64 @@
+using AIStudio.Tools;
+using AIStudio.Tools.AssistantLaunch;
+
+namespace AIStudio.Tests.Tools.AssistantLaunch;
+
+/// <summary>
+/// Checks which destinations a component offers when the user sends content on.
+/// </summary>
+/// <remarks>
+/// The assistants and the chat offer the same destinations, so they all ask the same place. An assistant
+/// which offered itself would take the content nowhere: its page is open already and does not pick it up.
+/// The components are written out in full, since a short name would find a namespace of this assembly first.
+/// </remarks>
+[TestFixture]
+public sealed class AssistantLaunchServiceTests
+{
+    [Test]
+    public void AnAssistantNeverOffersItself()
+    {
+        var destinations = AssistantLaunchService.SelectDestinations(AIStudio.Tools.Components.TRANSLATION_ASSISTANT, _ => true);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(destinations, Does.Not.Contain(AIStudio.Tools.Components.TRANSLATION_ASSISTANT));
+            Assert.That(destinations, Does.Contain(AIStudio.Tools.Components.SLIDE_BUILDER_ASSISTANT));
+            Assert.That(destinations, Does.Contain(AIStudio.Tools.Components.CHAT));
+        });
+    }
+
+    [Test]
+    public void TheChatOffersANewChat()
+    {
+        var destinations = AssistantLaunchService.SelectDestinations(AIStudio.Tools.Components.CHAT, _ => true);
+        Assert.That(destinations, Does.Contain(AIStudio.Tools.Components.CHAT), "A new chat is another chat than the one which sends.");
+    }
+
+    [Test]
+    public void OnlyComponentsWhichTakeContentAreOffered()
+    {
+        var destinations = AssistantLaunchService.SelectDestinations(AIStudio.Tools.Components.CHAT, _ => true);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(destinations, Is.Not.Empty);
+            Assert.That(destinations.All(destination => destination.AllowSendTo()), Is.True);
+            Assert.That(destinations, Does.Not.Contain(AIStudio.Tools.Components.DYNAMIC_ASSISTANT), "Assistant plugins cannot take content yet.");
+            Assert.That(destinations, Does.Not.Contain(AIStudio.Tools.Components.NONE));
+        });
+    }
+
+    [Test]
+    public void AnAssistantTheUserDoesNotSeeIsNotOffered()
+    {
+        var destinations = AssistantLaunchService.SelectDestinations(AIStudio.Tools.Components.CHAT, destination => destination is not AIStudio.Tools.Components.SLIDE_BUILDER_ASSISTANT);
+        Assert.That(destinations, Does.Not.Contain(AIStudio.Tools.Components.SLIDE_BUILDER_ASSISTANT));
+    }
+
+    [Test]
+    public void ShorterNamesComeFirst()
+    {
+        var lengths = AssistantLaunchService.SelectDestinations(AIStudio.Tools.Components.CHAT, _ => true).Select(destination => destination.Name().Length).ToList();
+        Assert.That(lengths, Is.Ordered);
+    }
+}