def test_simple_negative():
eq_(
join_left(
[{'a': 1, 'b': 2}],
[{'a': 2, 'b': 3}],
'a'),
[{'a': 1, 'b': 2}],
"1 empty dictionary"
)
def test_two_dict():
eq_(
join_left(
[{'a': 1, 'b': 2}],
[{'a': 1, 'c': 3}, {'a': 1, 'c': 4}],
'a')
,
[
{'a': 1, 'b': 2, 'c': 3},
{'a': 1, 'b': 2, 'c': 4}
],
"1 empty dictionary"
)
def test_empty():
eq_(join_left([{}], [{}], 'a'), [{}], "2 empty dictionaries")
def test_second_empty():
eq_(join_left([{'a': 1}], [{}], 'a'), [{'a': 1}], "1 empty dictionary")