Add tests for providers and update install script

util/config/provider/test/test_fileprovider.py

@@ -0,0 +1,29 @@
+import pytest
+
+from util.config.provider import FileConfigProvider 
+
+from test.fixtures import *
+
+
+class TestFileConfigProvider(FileConfigProvider):
+  def __init__(self):
+    self.yaml_filename = 'yaml_filename'
+    self._service_token = 'service_token'
+    self.config_volume = 'config_volume' 
+    self.py_filename = 'py_filename'
+    self.yaml_path = os.path.join(self.config_volume, self.yaml_filename)
+    self.py_path = os.path.join(self.config_volume, self.py_filename)
+
+
+@pytest.mark.parametrize('directory,filename,expected', [
+  ("directory", "file", "directory/file"),
+  ("directory/dir", "file", "directory/dir/file"),
+  ("directory/dir/", "file", "directory/dir/file"),
+  ("directory", "file/test", "directory/file/test"),
+])
+def test_get_volume_path(directory, filename, expected):
+  provider = TestFileConfigProvider()
+
+  assert expected == provider.get_volume_path(directory, filename)
+
+