Fix IO Permissions on Appveyor.

gcloud/test__helpers.py

@@ -166,13 +166,15 @@ def tearDown(self):
 
  def test_success(self):
  import os
- import tempfile
- with tempfile.NamedTemporaryFile(mode='w') as credential_file:
- credential_file.write('{"project_id": "test-project-id"}')
- credential_file.seek(0)
- os.environ['GOOGLE_APPLICATION_CREDENTIALS'] = credential_file.name
+ from gcloud._testing import _NamedTemporaryFile
 
- self.assertEqual('test-project-id', self._callFUT())
+ with _NamedTemporaryFile() as temp:
+ with open(temp.name, mode='w') as creds_file:
+ creds_file.write('{"project_id": "test-project-id"}')
+ creds_file.seek(0)
+ os.environ['GOOGLE_APPLICATION_CREDENTIALS'] = creds_file.name
+
+ self.assertEqual('test-project-id', self._callFUT())
 
  def test_no_environment(self):
  self.assertEqual(None, self._callFUT())
@@ -184,9 +186,11 @@ class Test__get_default_service_project_id(unittest2.TestCase):
  config_file = 'config_default'
 
  def setUp(self):
- import tempfile
  import os
- self.temp_config_path = tempfile.gettempdir()
+ from gcloud._testing import _NamedTemporaryFile
+
+ with _NamedTemporaryFile() as temp:
+ self.temp_config_path = os.path.dirname(temp.name)
 
  conf_path = os.path.join(self.temp_config_path, self.config_path)
  os.makedirs(conf_path)