def test_mapping_tuple():
d = {'a': [1, 2, 3], 'b': [4]}
assert _mapping_to_tuple_pairs(d) == ((('a', 1), ('b', 4)),
(('a', 2), ('b', 4)),
(('a', 3), ('b', 4)))
def test_order_does_not_matter():
a = {1: (1, 2, 3), 2: (4, (5, 6))}
b = {2: (4, (5, 6)), 1: (1, 2, 3)}
assert _mapping_to_tuple_pairs(a) == _mapping_to_tuple_pairs(b)
def test_mapping_tuple_single_kv():
d = {'a': [1, 2, 3]}
assert _mapping_to_tuple_pairs(d) == ((('a', 1),), (('a', 2),),
(('a', 3),))
def test_mapping_tuple_single_element():
d = {'a': [1, 2, 3], 'b': 4}
assert _mapping_to_tuple_pairs(d) == ((('a', 1), ('b', 4)),
(('a', 2), ('b', 4)),
(('a', 3), ('b', 4)))