def test_record_items(self):
r = Record(R_AB, (42, 43))
self.assertEqual(dict(r), {'a': 42, 'b': 43})
self.assertEqual(list(collections.OrderedDict(r).items()), [('a', 42),
('b', 43)])
with self.checkref(r):
rk = r.items()
self.assertEqual(rk.__length_hint__(), 2)
self.assertEqual(next(rk), ('a', 42))
self.assertEqual(rk.__length_hint__(), 1)
self.assertEqual(next(rk), ('b', 43))
self.assertEqual(rk.__length_hint__(), 0)
with self.assertRaises(StopIteration):
next(rk)
with self.assertRaises(StopIteration):
next(rk)
self.assertEqual(rk.__length_hint__(), 0)
self.assertEqual(list(r.items()), [('a', 42), ('b', 43)])
# Check invalid records just in case
r = Record(R_A, (42, 43))
self.assertEqual(list(r.items()), [('a', 42)])
r = Record(R_AB, (42, ))
self.assertEqual(list(r.items()), [('a', 42)])
# Try to iterate over exhausted items() iterator
r = Record(R_A, (42, 43))
it = r.items()
list(it)
list(it)
def test_record_items(self):
r = Record(R_AB, (42, 43))
self.assertEqual(dict(r), {'a': 42, 'b': 43})
self.assertEqual(
list(collections.OrderedDict(r).items()),
[('a', 42), ('b', 43)])
with self.checkref(r):
rk = r.items()
self.assertEqual(rk.__length_hint__(), 2)
self.assertEqual(next(rk), ('a', 42))
self.assertEqual(rk.__length_hint__(), 1)
self.assertEqual(next(rk), ('b', 43))
self.assertEqual(rk.__length_hint__(), 0)
with self.assertRaises(StopIteration):
next(rk)
with self.assertRaises(StopIteration):
next(rk)
self.assertEqual(rk.__length_hint__(), 0)
self.assertEqual(list(r.items()), [('a', 42), ('b', 43)])
# Check invalid records just in case
r = Record(R_A, (42, 43))
self.assertEqual(list(r.items()), [('a', 42)])
r = Record(R_AB, (42,))
self.assertEqual(list(r.items()), [('a', 42)])
r = Record(None, (42, 43))
with self.assertRaises(TypeError):
list(r.items())
def test_record_empty(self):
r = Record(None, ())
self.assertEqual(r, ())
self.assertLess(r, (1,))
self.assertEqual(len(r), 0)
self.assertFalse(r)
self.assertNotIn('a', r)
self.assertEqual(repr(r), '<Record>')
self.assertEqual(str(r), '<Record>')
with self.assertRaisesRegex(KeyError, 'aaa'):
r['aaa']
self.assertEqual(dict(r.items()), {})
self.assertEqual(list(r.keys()), [])
self.assertEqual(list(r.values()), [])
def test_record_empty(self):
r = Record(None, ())
self.assertEqual(r, ())
self.assertLess(r, (1,))
self.assertEqual(len(r), 0)
self.assertFalse(r)
self.assertNotIn('a', r)
self.assertEqual(repr(r), '<Record>')
self.assertEqual(str(r), '<Record>')
with self.assertRaisesRegex(KeyError, 'aaa'):
r['aaa']
self.assertEqual(dict(r.items()), {})
self.assertEqual(list(r.keys()), [])
self.assertEqual(list(r.values()), [])