--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cubicweb/web/test/unittest_http_headers.py	Sat Jan 16 13:48:51 2016 +0100
@@ -0,0 +1,18 @@
+import unittest
+
+from cubicweb.web import http_headers
+
+
+class TestGenerators(unittest.TestCase):
+    def test_generate_true_false(self):
+        for v in (True, 1, 'true', 'True', 'TRUE'):
+            self.assertEqual('true', http_headers.generateTrueFalse(v))
+        for v in (False, 0, 'false', 'False', 'FALSE'):
+            self.assertEqual('false', http_headers.generateTrueFalse(v))
+
+        with self.assertRaises(ValueError):
+            http_headers.generateTrueFalse('any value')
+
+if __name__ == '__main__':
+    from unittest import main
+    main()