[api] Add file comment endpoints

tests/api/endpoints/test_file_comments.py

@@ -0,0 +1,47 @@
+import json
+
+from django.core.urlresolvers import reverse
+
+from seahub.base.models import FileComment
+from seahub.test_utils import BaseTestCase
+
+class FileCommentsTest(BaseTestCase):
+    def setUp(self):
+        self.login_as(self.user)
+        self.endpoint = reverse('api2-file-comments', args=[self.repo.id]) + '?p=' + self.file
+
+    def tearDown(self):
+        self.remove_repo()
+
+    def test_can_list(self):
+        o = FileComment.objects.add_by_file_path(repo_id=self.repo.id,
+                                                 file_path=self.file,
+                                                 author=self.user.username,
+                                                 comment='test comment')
+        resp = self.client.get(self.endpoint)
+        self.assertEqual(200, resp.status_code)
+
+        json_resp = json.loads(resp.content)
+        assert len(json_resp['comments']) == 1
+        assert json_resp['comments'][0]['comment'] == o.comment
+
+    def test_can_post(self):
+        resp = self.client.post(self.endpoint, {
+            'comment': 'new comment'
+        })
+        self.assertEqual(201, resp.status_code)
+
+        json_resp = json.loads(resp.content)
+        assert json_resp['comment'] == 'new comment'
+
+    def test_invalid_user(self):
+        self.logout()
+        self.login_as(self.admin)
+
+        resp = self.client.get(self.endpoint)
+        self.assertEqual(403, resp.status_code)
+
+        resp = self.client.post(self.endpoint, {
+            'comment': 'new comment'
+        })
+        self.assertEqual(403, resp.status_code)