Added a SWOT analysis assistant (#1122)

Co-authored-by: hart_s3 <sabrina.hartmann@dlr.de>

app/Tests/Assistants/SWOTAnalysis/SwotAnalysisSendToChatTests.cs

@@ -0,0 +1,107 @@
+using AIStudio.Assistants.SWOTAnalysis;
+using AIStudio.Chat;
+using AIStudio.Provider;
+
+namespace AIStudio.Tests.Assistants.SWOTAnalysis;
+
+[TestFixture]
+public sealed class SwotAnalysisSendToChatTests
+{
+    private const string ADDRESS_A_MODEL_CHOSE = "https://research.example.org/report";
+
+    [Test]
+    public void TheChatGetsTheVisibleRequestAndTheVisibleResultOnly()
+    {
+        var assistantThread = CreateAssistantThread();
+        var result = assistantThread.Blocks.Last();
+        var visiblePrompt = VisiblePrompt(result.Time.AddTicks(-1));
+
+        var chatThread = AssistantSWOTAnalysis.CreateChatThreadForResult(assistantThread, visiblePrompt, result);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(chatThread.Blocks, Has.Count.EqualTo(2));
+            Assert.That(chatThread.Blocks[0], Is.SameAs(visiblePrompt));
+            Assert.That(chatThread.Blocks[1].Role, Is.EqualTo(ChatRole.AI));
+            Assert.That(chatThread.Blocks[1].HideFromUser, Is.False);
+            Assert.That(((ContentText)chatThread.Blocks[1].Content!).Text, Is.EqualTo("## SWOT Matrix"));
+            Assert.That(chatThread.Blocks[1].Content, Is.Not.SameAs(result.Content));
+            Assert.That(chatThread.SystemPrompt, Is.EqualTo(SystemPrompts.DEFAULT));
+        });
+    }
+
+    [Test]
+    public void AnAddressAModelWroteIsNotGivenInTheChat()
+    {
+        var assistantThread = CreateAssistantThread();
+        var result = assistantThread.Blocks.Last();
+
+        var chatThread = AssistantSWOTAnalysis.CreateChatThreadForResult(assistantThread, VisiblePrompt(result.Time.AddTicks(-1)), result);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(assistantThread.IsWebAddressGivenToTheModel(new Uri(ADDRESS_A_MODEL_CHOSE)), Is.True, "The hidden request counts as a message of the user.");
+            Assert.That(chatThread.IsWebAddressGivenToTheModel(new Uri(ADDRESS_A_MODEL_CHOSE)), Is.False);
+        });
+    }
+
+    [Test]
+    public void TheChatKeepsTheIdAndTheRestrictionsOfTheAssistant()
+    {
+        var assistantThread = CreateAssistantThread();
+        assistantThread.RequireProviderConfidence(ConfidenceLevel.HIGH);
+        var result = assistantThread.Blocks.Last();
+
+        var chatThread = AssistantSWOTAnalysis.CreateChatThreadForResult(assistantThread, VisiblePrompt(result.Time.AddTicks(-1)), result);
+
+        Assert.Multiple(() =>
+        {
+            Assert.That(chatThread.ChatId, Is.EqualTo(assistantThread.ChatId));
+            Assert.That(chatThread.RequiredProviderConfidence, Is.EqualTo(ConfidenceLevel.HIGH));
+        });
+    }
+
+    [Test]
+    public void WithoutAResultTheChatStartsEmpty()
+    {
+        var chatThread = AssistantSWOTAnalysis.CreateChatThreadForResult(CreateAssistantThread(), null, null);
+
+        Assert.That(chatThread.Blocks, Is.Empty);
+    }
+
+    private static ChatThread CreateAssistantThread()
+    {
+        var time = DateTimeOffset.Now;
+        return new ChatThread
+        {
+            ChatId = Guid.NewGuid(),
+            Blocks =
+            [
+                new ContentBlock
+                {
+                    Time = time,
+                    Role = ChatRole.USER,
+                    ContentType = ContentType.TEXT,
+                    HideFromUser = true,
+                    Content = new ContentText { Text = $"The opportunities rest on {ADDRESS_A_MODEL_CHOSE}." },
+                },
+                new ContentBlock
+                {
+                    Time = time.AddSeconds(1),
+                    Role = ChatRole.AI,
+                    ContentType = ContentType.TEXT,
+                    HideFromUser = true,
+                    Content = new ContentText { Text = "## SWOT Matrix" },
+                },
+            ],
+        };
+    }
+
+    private static ContentBlock VisiblePrompt(DateTimeOffset time) => new()
+    {
+        Time = time,
+        Role = ChatRole.USER,
+        ContentType = ContentType.TEXT,
+        Content = new ContentText { Text = "Create a SWOT analysis of my content" },
+    };
+}