--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devtools/test/unittest_fill.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,53 @@
+"""unit tests for cubicweb.devtools.fill module"""
+
+from logilab.common.testlib import TestCase, unittest_main
+
+from cubicweb.schema import Schema, EntitySchema
+
+import re
+from cubicweb.devtools.fill import ValueGenerator, _ValueGenerator
+
+ISODATE_SRE = re.compile('(?P<year>\d{4})-(?P<month>\d{2})-(?P<day>\d{2})$')
+
+
+class AutoExtendableTC(TestCase):
+
+    def setUp(self):
+        self.attrvalues = dir(_ValueGenerator)
+
+    def tearDown(self):
+        attrvalues = set(dir(_ValueGenerator))
+        for attrname in attrvalues - set(self.attrvalues):
+            delattr(_ValueGenerator, attrname)
+
+        
+    def test_autoextend(self):
+        self.failIf('generate_server' in dir(ValueGenerator))
+        class MyValueGenerator(ValueGenerator):
+            def generate_server(self, index):
+                return attrname
+        self.failUnless('generate_server' in dir(ValueGenerator))
+
+
+    def test_bad_signature_detection(self):
+        self.failIf('generate_server' in dir(ValueGenerator))
+        try:
+            class MyValueGenerator(ValueGenerator):
+                def generate_server(self):
+                    pass
+        except TypeError:
+            self.failIf('generate_server' in dir(ValueGenerator))
+        else:
+            self.fail('TypeError not raised')
+
+
+    def test_signature_extension(self):
+        self.failIf('generate_server' in dir(ValueGenerator))
+        class MyValueGenerator(ValueGenerator):
+            def generate_server(self, index, foo):
+                pass
+        self.failUnless('generate_server' in dir(ValueGenerator))
+
+
+if __name__ == '__main__':
+    unittest_main()