def test_conjoining_preserves_initial_sequence_type(self):
result = transduce(Transducer,
conjoining(),
(23, 78),
init=[])
self.assertEqual(result, [23, 78])
def test_conjoining_to_non_sequence_raises_type_error(self):
with self.assertRaises(TypeError):
transduce(Transducer,
conjoining(),
(23, 78),
init=set())
def test_two_items_returns_two_element_tuple(self):
result = transduce(Transducer,
conjoining(),
[23, 78])
self.assertEqual(result, (23, 78))
def test_zero_items_returns_initial_empty_tuple(self):
result = transduce(Transducer,
conjoining(),
empty_iter())
self.assertEqual(result, tuple())
def test_ordering_preserves_immutable_sequence_type(self):
result = transduce(transducer=ordering(),
reducer=conjoining(),
iterable=[4, 2, 6, 10, 8])
self.assertIsInstance(result, tuple)
self.assertSequenceEqual(result, (2, 4, 6, 8, 10))
def test_ordering_preserves_immutable_sequence_type(self):
result = transduce(transducer=ordering(),
reducer=conjoining(),
iterable=[4, 2, 6, 10, 8])
self.assertIsInstance(result, tuple)
self.assertSequenceEqual(result, (2, 4, 6, 8, 10))
