Store alerts in sheriff-o-matic's memcache.

Tools/GardeningServer/alerts_test.py

Index: Tools/GardeningServer/alerts_test.py
diff --git a/Tools/GardeningServer/alerts_test.py b/Tools/GardeningServer/alerts_test.py
new file mode 100644
index 0000000000000000000000000000000000000000..d99cf2d3a2a263eac61a2182a803c87d8789dcf3
--- /dev/null
+++ b/Tools/GardeningServer/alerts_test.py
@@ -0,0 +1,64 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import alerts
+import json
+import unittest
+import webtest
+
+from google.appengine.api import memcache
+from google.appengine.ext import testbed
+
+
+class AlertsTest(unittest.TestCase):
+    def setUp(self):
+        self.testbed = testbed.Testbed()
+        self.testbed.activate()
+        self.testbed.init_memcache_stub()
+        self.testapp = webtest.TestApp(alerts.app)
+
+    def tearDown(self):
+        self.testbed.deactivate()
+
+    def check_json_headers(self, res):
+        self.assertEqual(res.content_type, 'application/json')
+        # This is necessary for cross-site tools to retrieve alerts
+        self.assertEqual(res.headers['access-control-allow-origin'], '*')
+
+    def testGet_NoDataCached(self):

[eseidel, 2014/08/13 05:44:22]

btw, I think blink follows pep8, so this should be test_get_no_data_cached

+        res = self.testapp.get('/alerts')
+        self.check_json_headers(res)
+        self.assertEqual(res.body, '')
+
+    def testHappyPath(self):
+        # Set it.
+        params = {'content': '{"alerts": ["hello", "world"]}'}
+        self.testapp.post('/alerts', params)
+
+        # Get it.
+        res = self.testapp.get('/alerts')
+        self.check_json_headers(res)
+        alerts = json.loads(res.body)
+
+        # The server should have stuck a 'date' on there.
+        self.assertTrue('date' in alerts)
+        self.assertEqual(type(alerts['date']), int)
+
+        self.assertEqual(alerts['alerts'], ['hello', 'world'])
+
+    def testPost_InvalidData_NotReflected(self):
+        params = {'content': '[{"this is not valid JSON'}
+        self.testapp.post('/alerts', params, status=400)
+        res = self.testapp.get('/alerts')
+        self.assertEqual(res.body, '')
+
+    def testPost_InvalidData_DoesNotOverwriteValidData(self):
+        # Populate the cache with something valid
+        params = {'content': '{"alerts": "everything is OK"}'}
+        self.testapp.post('/alerts', params)
+        self.testapp.post('/alerts', {'content': 'woozlwuzl'}, status=400)
+        res = self.testapp.get('/alerts')
+        self.check_json_headers(res)
+        alerts = json.loads(res.body)
+        self.assertEqual(alerts['alerts'], 'everything is OK')