--- a/tests/test_viewer.py	Wed Jul 20 09:33:43 2016 +0800
+++ b/tests/test_viewer.py	Wed Jul 20 09:34:13 2016 +0800
@@ -76,6 +76,20 @@
         assert '1 error' in response.body
         assert '1 warning' in response.body
 
+    def test_check(self):
+        response = self.fetch('/butt.cloud/cyber/wizard-attack/latest')
+        assert response.code == 404
+        assert 'online linter' in response.body
+
+        response = self.fetch('/example.com/alice/test-viewer/latest')
+        assert response.code == 200
+        assert '1 error' in response.body
+        assert '1 warning' 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'
+
     def test_status(self):
         response = self.fetch('/butt.cloud/cyber/wizard-attack/status.svg')
         assert response.code == 404