Added the Model Comparison assistant for blind comparisons of two models (#1009)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/Tests/Assistants/ModelComparison/ModelComparisonOutcomeTests.cs

@@ -0,0 +1,74 @@
+using AIStudio.Assistants.ModelComparison;
+using AIStudio.Tools;
+
+using MudBlazor;
+
+namespace AIStudio.Tests.Assistants.ModelComparison;
+
+/// <summary>
+/// Checks how the summary of a batch shows what the user and the judge chose.
+/// </summary>
+[TestFixture]
+public sealed class ModelComparisonOutcomeTests
+{
+    [Test]
+    public void WithoutAVoteTheCardOnlyFillsItsColumn()
+    {
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(ModelComparisonOutcome.CardClassOf(null, ModelComparisonModelChoice.FIRST), Is.EqualTo(ModelComparisonOutcome.FILL_THE_COLUMN));
+            Assert.That(ModelComparisonOutcome.ColorOf(null, ModelComparisonModelChoice.FIRST), Is.EqualTo(Color.Default));
+            Assert.That(ModelComparisonOutcome.IconOf(null, ModelComparisonModelChoice.FIRST), Is.EqualTo(AppIcons.VOTE_MISSING));
+        }
+    }
+
+    [TestCase(ModelComparisonModelChoice.FIRST, ModelComparisonModelChoice.FIRST, Color.Success, "mud-border-success")]
+    [TestCase(ModelComparisonModelChoice.FIRST, ModelComparisonModelChoice.SECOND, Color.Error, "mud-border-error")]
+    [TestCase(ModelComparisonModelChoice.TIE, ModelComparisonModelChoice.SECOND, Color.Warning, "mud-border-warning")]
+    public void TheVoteColorsTheCardOfEachModel(ModelComparisonModelChoice vote, ModelComparisonModelChoice model, Color expectedColor, string expectedBorder)
+    {
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(ModelComparisonOutcome.ColorOf(vote, model), Is.EqualTo(expectedColor));
+            Assert.That(ModelComparisonOutcome.CardClassOf(vote, model), Does.StartWith(ModelComparisonOutcome.FILL_THE_COLUMN).And.EndWith(expectedBorder));
+        }
+    }
+
+    [Test]
+    public void EveryOutcomeHasAnIconOfItsOwn()
+    {
+        var icons = new[]
+        {
+            ModelComparisonOutcome.IconOf(null, ModelComparisonModelChoice.FIRST),
+            ModelComparisonOutcome.IconOf(ModelComparisonModelChoice.FIRST, ModelComparisonModelChoice.FIRST),
+            ModelComparisonOutcome.IconOf(ModelComparisonModelChoice.SECOND, ModelComparisonModelChoice.FIRST),
+            ModelComparisonOutcome.IconOf(ModelComparisonModelChoice.TIE, ModelComparisonModelChoice.FIRST),
+        };
+
+        Assert.That(icons, Is.Unique);
+    }
+
+    [TestCase(null, ModelComparisonModelChoice.FIRST, false)]
+    [TestCase(ModelComparisonModelChoice.FIRST, ModelComparisonModelChoice.FIRST, true)]
+    [TestCase(ModelComparisonModelChoice.FIRST, ModelComparisonModelChoice.SECOND, false)]
+    [TestCase(ModelComparisonModelChoice.TIE, ModelComparisonModelChoice.FIRST, true)]
+    [TestCase(ModelComparisonModelChoice.TIE, ModelComparisonModelChoice.SECOND, true)]
+    public void TheJudgeFavorsItsChoiceOrBothOnATie(ModelComparisonModelChoice? judgeChoice, ModelComparisonModelChoice model, bool expected) => Assert.That(ModelComparisonOutcome.JudgeFavors(judgeChoice, model), Is.EqualTo(expected));
+
+    [Test]
+    public void ARunGivesTheAnswerOfEachModel()
+    {
+        var result = new ModelComparisonRunResult
+        {
+            First = new() { Label = "first", Text = "one", Completed = true },
+            Second = new() { Label = "second", Text = "two", Completed = true },
+        };
+
+        using (Assert.EnterMultipleScope())
+        {
+            Assert.That(result.AnswerOf(ModelComparisonModelChoice.FIRST), Is.SameAs(result.First));
+            Assert.That(result.AnswerOf(ModelComparisonModelChoice.SECOND), Is.SameAs(result.Second));
+            Assert.Throws<ArgumentOutOfRangeException>(() => result.AnswerOf(ModelComparisonModelChoice.TIE));
+        }
+    }
+}