Changing translate Connection to only accept client.

Author: dhermes

translate/google/cloud/translate/client.py

@@ -54,12 +54,14 @@ class Client(BaseClient):
                  ``credentials`` for the current object.
     """
 
+    SCOPE = ('https://www.googleapis.com/auth/cloud-platform',)
+    """The scopes required for authenticating."""
+
     def __init__(self, target_language=ENGLISH_ISO_639,
                  credentials=None, http=None):
         self.target_language = target_language
         super(Client, self).__init__(credentials=credentials, http=http)
-        self._connection = Connection(
-            credentials=self._credentials, http=self._http)
+        self._connection = Connection(self)
 
     def get_languages(self, target_language=None):
         """Get list of supported languages for translation.

translate/google/cloud/translate/connection.py

@@ -28,6 +28,3 @@ class Connection(_http.JSONConnection):
 
     API_URL_TEMPLATE = '{api_base_url}/language/translate/{api_version}{path}'
     """A template for the URL of a particular API call."""
-
-    SCOPE = ('https://www.googleapis.com/auth/cloud-platform',)
-    """The scopes required for authenticating."""

translate/unit_tests/test_connection.py

@@ -27,7 +27,7 @@ def _make_one(self, *args, **kw):
         return self._get_target_class()(*args, **kw)
 
     def test_build_api_url_no_extra_query_params(self):
-        conn = self._make_one()
+        conn = self._make_one(object())
         URI = '/'.join([
             conn.API_BASE_URL,
             'language',
@@ -41,7 +41,7 @@ def test_build_api_url_w_extra_query_params(self):
         from six.moves.urllib.parse import parse_qsl
         from six.moves.urllib.parse import urlsplit
 
-        conn = self._make_one()
+        conn = self._make_one(object())
         query_params = [('q', 'val1'), ('q', 'val2')]
         uri = conn.build_api_url('/foo', query_params=query_params)
         scheme, netloc, path, qs, _ = urlsplit(uri)