--- a/tests/test_viewer.py	Mon Aug 22 20:38:06 2016 +0800
+++ b/tests/test_viewer.py	Mon Aug 22 23:05:40 2016 +0800
@@ -2,8 +2,9 @@
 from xml.etree import ElementTree
 
 from pytest import raises
+from tornado.escape import json_encode
+from tornado.testing import AsyncHTTPTestCase
 from tornado.web import HTTPError
-from tornado.testing import AsyncHTTPTestCase
 
 from candolint.handlers import get_project_or_404
 from candolint.models import database, Project, Change, Check
@@ -25,11 +26,40 @@
             author='alice',
             message='component: do a thing',
             project=project)
+        lines = [{
+            'text': '# C&O job started: 2016-08-20T02:38:06+00:00',
+            'cls': 'meta'
+        }, {
+            'text': '# C&O task: setup',
+            'task': 'setup',
+            'cls': 'task'
+        }, {
+            'text': '$ ../venv2/bin/flake8 --version',
+            'task': 'setup'
+        }, {
+            'text': '3.0.3',
+            'task': 'setup'
+        }, {
+            'text': '# C&O task: checks',
+            'task': 'checks',
+            'cls': 'task'
+        }, {
+            'line_number': 20,
+            'task': 'checks',
+            'link_start': 0,
+            'text': 'test.py:20:80: E501 line too long (82 > 79 characters)',
+            'filename': 'test.py',
+            'link_end': 10,
+            'cls': 'warning'
+        }, {
+            'text': '# C&O job finished: 2016-08-20T02:38:53+00:00',
+            'cls': 'meta'
+        }]
         Check.create(
             ordinal=Check.get_next_ordinal(project),
             errors=1,
             warnings=1,
-            lines='[]',
+            lines=json_encode(lines),
             success=True,
             started=datetime.now(),
             finished=datetime.now(),
@@ -88,10 +118,12 @@
         assert '1 error' in response.body
         assert '1 warning' in response.body
         assert '<a href="#">default</a>' in response.body
+        assert '<a href="#" class="filelink">test.py:20</a>' in response.body
 
         response = self.fetch('/example.com/alice/test-viewer/latest/raw')
         assert response.code == 200
         assert response.headers['Content-Type'] == 'text/plain; charset=utf-8'
+        assert 'test.py' in response.body
 
     def test_status(self):
         response = self.fetch('/butt.cloud/cyber/wizard-attack/status.svg')