--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/test/unittest_views_debug_html.py	Wed Jul 24 16:11:22 2019 +0200
@@ -0,0 +1,49 @@
+# copyright 2019 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
+#
+# This file is part of CubicWeb.
+#
+# CubicWeb is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 2.1 of the License, or (at your option)
+# any later version.
+#
+# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
+
+import inspect
+
+from cubicweb.view import View
+from cubicweb.devtools.testlib import CubicWebTC
+
+
+class DebugHtmlRenderingTC(CubicWebTC):
+    def setUp(self):
+        super().setUp()
+        View.debug_html_rendering = True
+
+    def tearDown(self):
+        super().tearDown()
+        View.debug_html_rendering = False
+
+    def test_debug_html_rendering_inject_tags(self):
+        with self.admin_access.web_request() as req:
+            view = self.vreg['views'].select("index", req)
+            view_class = view.__class__
+            page = view.render()
+
+            self.assertIn('cubicweb-generated-by="%s.%s"' % (view_class.__module__,
+                                                             view_class.__name__),
+                          page)
+            source_file = inspect.getsourcefile(view_class)
+            self.assertIn('cubicweb-from-source="%s' % (source_file), page)
+
+
+if __name__ == '__main__':
+    from logilab.common.testlib import unittest_main
+    unittest_main()