Allowed the Batch Processing assistant to process images (#1087)

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

app/Tests/Settings/DataBatchProcessingTests.cs

@@ -0,0 +1,20 @@
+using AIStudio.Settings.DataModel;
+using AIStudio.Tools.Rust;
+
+namespace AIStudio.Tests.Settings;
+
+public class DataBatchProcessingTests
+{
+    /// <summary>
+    /// The default patterns are a constant and cannot be built from FileTypes, so this keeps both
+    /// lists of the images we hand to the model in step.
+    /// </summary>
+    [Test]
+    public void DefaultPatternsHoldEveryImageTheModelCanRead()
+    {
+        var patterns = DataBatchProcessing.DEFAULT_FILE_PATTERNS.Split(';');
+        var imagePatterns = FileTypes.MODEL_IMAGE.FlattenExtensions().Select(extension => $"*.{extension}");
+
+        Assert.That(patterns, Is.SupersetOf(imagePatterns));
+    }
+}