Adding sendgrid tests, fixes #182

Change-Id: I24c59c7c240fb93e3bfb73f21c1f61df830cddc9

Author: Jon Wayne Parrott

managed_vms/sendgrid/main.py

@@ -38,7 +38,7 @@ def send_email():
     to = request.form.get('to')
     if not to:
         return ('Please provide an email address in the "to" query string '
-                'parameter.')
+                'parameter.'), 400
 
     sg = sendgrid.SendGridClient(SENDGRID_API_KEY)
 
@@ -52,7 +52,7 @@ def send_email():
     status, response = sg.send(message)
 
     if status != 200:
-        return 'An error occurred: {}'.format(response)
+        return 'An error occurred: {}'.format(response), 500
 
     return 'Email sent.'
 # [END example]

managed_vms/sendgrid/main_test.py

@@ -0,0 +1,44 @@
+# Copyright 2016 Google Inc. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import main
+
+import mock
+import pytest
+
+
+@pytest.fixture
+def app(monkeypatch):
+    monkeypatch.setenv('SENDGRID_API_KEY', 'apikey')
+    monkeypatch.setenv('SENDGRID_SENDER', '[email protected]')
+
+    import main
+
+    main.app.testing = True
+    return main.app.test_client()
+
+
+def test_get(app):
+    r = app.get('/')
+    assert r.status_code == 200
+
+
+@mock.patch.object(
+    main.sendgrid.SendGridClient, 'send', return_value=(200, "OK"))
+def test_post(send_mock, app):
+    r = app.post('/send/email', data={
+        'to': '[email protected]'
+    })
+    assert r.status_code == 200
+    assert send_mock.called