def test_closure_should_insert_new_caps(self):
tigre = Tigre()
tigre.version(None)
self.assertIn('version', tigre.capabilities)
def test_closure_should_convert_non_booleans_caps(self):
tigre = Tigre(default_caps=['version'])
tigre.version(7)
self.assertEqual(tigre.capabilities['version'], '7')
def test_closure_should_return_self(self):
tigre = Tigre()
self.assertIs(tigre.version(None), tigre)