--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/test/unittest_views_csv.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,50 @@
+# -*- coding: utf-8 -*-
+# copyright 2014 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/>.
+
+from cubicweb.devtools.testlib import CubicWebTC
+
+
+class CSVExportViewsTC(CubicWebTC):
+
+    def test_csvexport(self):
+        with self.admin_access.web_request() as req:
+            rset = req.execute('Any GN,COUNT(X) GROUPBY GN ORDERBY GN '
+                               'WHERE X in_group G, G name GN')
+            data = self.view('csvexport', rset, req=req)
+            self.assertEqual(req.headers_out.getRawHeaders('content-type'),
+                             ['text/comma-separated-values;charset=UTF-8'])
+            expected_data = "String;COUNT(CWUser)\nguests;1\nmanagers;1"
+            self.assertMultiLineEqual(expected_data, data.decode('utf-8'))
+
+    def test_csvexport_on_empty_rset(self):
+        """Should return the CSV header.
+        """
+        with self.admin_access.web_request() as req:
+            rset = req.execute(u'Any GN,COUNT(X) GROUPBY GN ORDERBY GN '
+                                'WHERE X in_group G, G name GN, X login "Miles"')
+            data = self.view('csvexport', rset, req=req)
+            self.assertEqual(req.headers_out.getRawHeaders('content-type'),
+                             ['text/comma-separated-values;charset=UTF-8'])
+            expected_data = "String;COUNT(CWUser)"
+            self.assertMultiLineEqual(expected_data, data.decode('utf-8'))
+
+
+if __name__ == '__main__':
+    from logilab.common.testlib import unittest_main
+    unittest_main()