def test_tag_magic(self):
tag = Tag(1, ttype = 'type')
self.assertEqual(tag, Tag(1, 'type'))
self.assertNotEqual(tag, 1)
tag.ttype = None
self.assertEqual(tag, 1)
self.assertTrue(1 == tag)
self.assertFalse(1 != tag)
self.assertTrue(2 != tag)
self.assertTrue(tag in (1, 2, 3))
self.assertTrue(1 in (tag, 2, 3))
self.assertEqual(str(tag), '1')
tag.ttype = 'type'
self.assertEqual(str(tag), 'type:1')
def test_tag_property(self):
tag = Tag('value', ttype = 'type')
self.assertTrue(tag.typed)
tag.value = 1
tag.ttype = None
self.assertTrue(tag.value == 1 and tag.ttype is None)
self.assertFalse(tag.typed)
def _assign_type(t): tag.ttype = t
self.assertRaises(KeyError, lambda: _assign_type('None'))
