增加了公告的API接口和相应的API测试

announcement/tests.py

@@ -0,0 +1,16 @@
+# coding=utf-8
+from django.core.urlresolvers import reverse
+
+from rest_framework.test import APITestCase, APIClient
+
+
+class AbstractAnnouncementAPITest(APITestCase):
+        def setUp(self):
+            self.client = APIClient()
+            self.url = reverse("announcement_api")
+
+        def test_invalid_format(self):
+            # todo 判断用户是否登录
+            data = {"title": "test1"}
+            response = self.client.post(self.url, data=data)
+            self.assertEqual(response.data["code"], 1)