1 files changed, 14 insertions, 0 deletions
diff --git a/tests/test_converter.py b/tests/test_converter.py
index 1235dda..9c03e30 100644
--- a/tests/test_converter.py
+++ b/tests/test_converter.py
@@ -17,5 +17,19 @@ class SanitizeFilenameTests(unittest.TestCase):
         self.assertEqual(AudiobookConverter._sanitize_filename("///"), "chapter")
 
 
+class ConfigurationValidationTests(unittest.TestCase):
+    def test_invalid_voice_mode_rejected(self):
+        with self.assertRaises(ValueError):
+            AudiobookConverter(voice_mode="custon_voice")
+
+    def test_nonpositive_speed_rejected(self):
+        with self.assertRaises(ValueError):
+            AudiobookConverter(speed=0)
+
+    def test_unknown_format_rejected(self):
+        with self.assertRaises(ValueError):
+            AudiobookConverter(output_format="ogg")
+
+
 if __name__ == "__main__":
     unittest.main()