model_manager tests

tests/test_model_manager.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3`
+import os
+import shutil
+import glob
+import unittest
+from tests import get_tests_output_path
+from TTS.utils.manage import ModelManager
+
+
+def test_if_all_models_available():
+    """Check if all the models are downloadable."""
+    print(" > Checking the availability of all the models under the ModelManager.")
+    manager = ModelManager(output_prefix=get_tests_output_path())
+    model_names = manager.list_models()
+    for model_name in model_names:
+        manager.download_model(model_name)
+        print(f" | > OK: {model_name}")
+
+    folders = glob.glob(os.path.join(manager.output_prefix, '*'))
+    assert len(folders) == len(model_names)
+    shutil.rmtree(manager.output_prefix)