model_manager tests

TTS/utils/manage.py

@@ -21,9 +21,12 @@ class ModelManager(object):
     Args:
         models_file (str): path to .model.json
     """
-    def __init__(self, models_file=None):
+    def __init__(self, models_file=None, output_prefix=None):
         super().__init__()
-        self.output_prefix = get_user_data_dir('tts')
+        if output_prefix is None:
+            self.output_prefix = get_user_data_dir('tts')
+        else:
+            self.output_prefix = os.path.join(output_prefix, 'tts')
         self.url_prefix = "https://drive.google.com/uc?id="
         self.models_dict = None
         if models_file is not None:
@@ -57,6 +60,7 @@ class ModelManager(object):
 
     def list_models(self):
         print(" Name format: type/language/dataset/model")
+        models_name_list = []
         for model_type in self.models_dict:
             for lang in self.models_dict[model_type]:
                 for dataset in self.models_dict[model_type][lang]:
@@ -67,6 +71,8 @@ class ModelManager(object):
                             print(f" >: {model_type}/{lang}/{dataset}/{model} [already downloaded]")
                         else:
                             print(f" >: {model_type}/{lang}/{dataset}/{model}")
+                        models_name_list.append(f'{model_type}/{lang}/{dataset}/{model}')
+        return models_name_list
 
     def download_model(self, model_name):
         """Download model files given the full model name.

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)