FilePath ready to test

Shared/Models/FilePair.cs

@@ -1,3 +1,25 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
 namespace View_by_Distance.Shared.Models;
 
-public record FilePair(string Path, bool IsUnique, bool? IsNotUniqueAndNeedsReview, List<string> Collection, string? Match) { }
+internal record FilePair(string Path,
+                         bool IsUnique,
+                         bool? IsNotUniqueAndNeedsReview,
+                         List<string> Collection,
+                         string? Match)
+{
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, FilePairSourceGenerationContext.Default.FilePair);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(FilePair))]
+internal partial class FilePairSourceGenerationContext : JsonSerializerContext
+{
+}