1 files changed, 21 insertions, 0 deletions
diff --git a/tests/test_converter.py b/tests/test_converter.py
new file mode 100644
index 0000000..1235dda
--- /dev/null
+++ b/tests/test_converter.py
@@ -0,0 +1,21 @@
+"""Tests for the audiobook converter orchestration helpers."""
+
+import unittest
+
+from converter.converter import AudiobookConverter
+
+
+class SanitizeFilenameTests(unittest.TestCase):
+    def test_removes_invalid_characters(self):
+        self.assertEqual(AudiobookConverter._sanitize_filename('A "bad" name: here'),
+                         "A bad name here")
+
+    def test_collapses_whitespace(self):
+        self.assertEqual(AudiobookConverter._sanitize_filename("  spaced\tout  "), "spaced out")
+
+    def test_empty_falls_back(self):
+        self.assertEqual(AudiobookConverter._sanitize_filename("///"), "chapter")
+
+
+if __name__ == "__main__":
+    unittest.main()