def test_restrict_with_renamer(self):
h = Hash({'foo': 'bar', 'bar': 'baz', })
h.restrict(tester=lambda k: k in ('bar', ), renamer=lambda k: k.upper())
self.assertTrue(not 'foo' in h)
self.assertTrue(not 'bar' in h)
self.assertTrue('BAR' in h)
self.assertEqual(h['BAR'], 'baz')
def test_restrict(self):
h = Hash({'foo': 'bar', 'bar': 'baz', })
h.restrict(tester=lambda k: k in ('bar', ))
self.assertTrue(not 'foo' in h)
self.assertTrue('bar' in h)
