added delete global dictionary test, fixed bug with it.

issue #6

handlers/global_dictionary_word_handlers.py

@@ -114,6 +114,8 @@ def __init__(self, *args, **kwargs):
     def post(self, *args, **kwargs):
         for word in ndb.gql("SELECT word FROM GlobalDictionaryWord").fetch():
             word.key.delete()
+        for json in ndb.gql("SELECT timestamp FROM GlobalDictionaryJson").fetch():
+            json.key.delete()
 
 
 class GlobalDictionaryGetWordsHandler(APIRequestHandler):

tests/global_dictionary_word_test.py

@@ -97,7 +97,7 @@ def test_add(self):
         response = request.get_response(main.app)
         self.assertEqual(json.loads(response.body)["words"], [])
         self.assertEqual(json.loads(response.body)["timestamp"], timestamp)
-        time.sleep(0.01)
+        time.sleep(1)
         request = make_request("/admin/global_dictionary/add_words", "POST", True, 'json=["f", "g", "h"]')
         request.get_response(main.app)
         task_response = self.run_tasks(1)
@@ -153,6 +153,14 @@ def test_get_page(self):
         response = request.get_response(main.app)
         self.assertEqual(response.status_int, 200)
 
+    def test_delete(self):
+        url = "/admin/global_dictionary/delete"
+        request = make_request(url, "POST", True, '0')
+        response = request.get_response(main.app)
+        task_response = self.run_tasks(1)
+        self.assertEqual(GlobalDictionaryWord.query().count(), 0)
+        self.assertEqual(GlobalDictionaryJson.query().count(), 0)
+
 
     def tearDown(self):
         self.testbed.deactivate()