FF-1615: Move and Copy now use common method to get additional files

BasicNodes/Tests/AdditionalFilesTests.cs

@@ -0,0 +1,49 @@
+#if(DEBUG)
+
+using System.IO;
+using FileFlows.BasicNodes.Helpers;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+
+namespace BasicNodes.Tests;
+
+/// <summary>
+/// Tests fot he additional files method
+/// </summary>
+[TestClass]
+public class AdditionalFilesTests: TestBase
+{
+    [TestMethod]
+    public void Basic()
+    {
+        var fileService = new LocalFileService();
+        var dir = Path.Combine(TempPath, Guid.NewGuid().ToString());
+        Directory.CreateDirectory(dir);
+        CreateFile(dir, "my movie.mkv");
+        CreateFile(dir, "my movie.srt");
+        CreateFile(dir, "my movie.en.sub");
+        CreateFile(dir, "my movie.it.srt");
+        CreateFile(dir, "not my movie.en.sub");
+        CreateFile(dir, "not my movie.sub");
+        CreateFile(dir, "not my movie.srt");
+        var results = FolderHelper.GetAdditionalFiles(Logger, fileService, 
+            (s, b, b2) => s, 
+            "my movie", dir, [".srt", ".sub"]);
+        Assert.AreEqual(3, results.Count);
+        Assert.IsTrue(results.Contains(Path.Combine(dir, "my movie.srt")));
+        Assert.IsTrue(results.Contains(Path.Combine(dir, "my movie.en.sub")));
+        Assert.IsTrue(results.Contains(Path.Combine(dir, "my movie.it.srt")));
+
+    }
+    
+    /// <summary>
+    /// Creates a file
+    /// </summary>
+    /// <param name="directory">the directory to create the file in</param>
+    /// <param name="name">the name of the file</param>
+    private void CreateFile(string directory, string name)
+    {
+        System.IO.File.WriteAllText(Path.Combine(directory, name), "");
+    }
+}
+
+#endif