def test_instaance_one_item_mapping_methods(self):
tags = IrcMessageTagsReadOnly(['Kappa'])
self.assertEqual(tags, tags)
self.assertEqual(tags, IrcMessageTagsReadOnly({'Kappa': True}))
self.assertEqual(tags, {'Kappa': True})
self.assertEqual(len(tags.keys()), 1)
self.assertEqual(len(tags.values()), 1)
self.assertEqual(len(tags.items()), 1)
self.assertIn('Kappa', tags.keys())
self.assertIn(IrcMessageTagsKey('Kappa'), tags.keys())
self.assertIn(True, tags.values())
self.assertIn(('Kappa', True), tags.items())
self.assertIn((IrcMessageTagsKey('Kappa'), True), tags.items())
keyIter = iter(tags)
self.assertEqual(next(keyIter), 'Kappa')
self.assertRaises(StopIteration, next, keyIter)
def test_empty_instance_mapping_methods(self):
tags = IrcMessageTagsReadOnly()
self.assertEqual(tags, tags)
self.assertEqual(tags, IrcMessageTagsReadOnly())
self.assertEqual(tags, {})
self.assertFalse(tags.keys())
self.assertFalse(tags.values())
self.assertFalse(tags.items())
self.assertIsNone(tags.get('Kappa'))
keyIter = iter(tags)
self.assertRaises(StopIteration, next, keyIter)