def test2():
lst1 = ['x', 'y']
lst2 = ['a', 'b']
lst3 = ['x', 'y']
lst4 = ['c', 'd']
map_a = dict(zip(lst1, lst2))
map_b = dict(zip(lst3, lst4))
left_join(map_a, map_b)
assert left_join(map_a, map_b) == [['x', 'a', 'c'], ['y', 'b', 'd']]
def test1():
lst1 = ['name', 'age']
lst2 = ['doaa', '24']
lst3 = ['name', 'age']
lst4 = ['dana', '14']
map_a = dict(zip(lst1, lst2))
map_b = dict(zip(lst3, lst4))
left_join(map_a, map_b)
assert left_join(map_a, map_b) == [['name', 'doaa', 'dana'],
['age', '24', '14']]
def test_function_will_account_for_all_matching():
obj1 = {"a": "aa", "b": "bb", "c": "cc", "d": "dd", "e": "ee"}
obj2 = {"a": "aa", "b": "bb", "c": "cc", "d": "dd", "e": "ee"}
actual = left_join(obj1, obj2)
expected = [["a", "aa", "aa"], ["b", "bb", "bb"], ["c", "cc", "cc"],
["d", "dd", "dd"], ["e", "ee", "ee"]]
assert actual == expected
def test_function_will_account_for_left_side_larger():
obj1 = {"a": "aa", "b": "bb", "c": "cc", "d": "dd", "e": "ee"}
obj2 = {"c": "cc", "v": "vv", "e": "ee"}
actual = left_join(obj1, obj2)
expected = [["a", "aa", None], ["b", "bb", None], ["c", "cc", "cc"],
["d", "dd", None], ["e", "ee", "ee"]]
assert actual == expected
def test_all_cases(left_hash_fixture, right_hash_fixture, empty_hash_fixture):
assert left_join(left_hash_fixture,
right_hash_fixture) == [['fond', 'enamored', 'averse'],
['wrath', 'anger', 'delight'],
['delight', 'employed', 'idle'],
['outfit', 'garp', 'NULL'],
['guide', 'usher', 'follow']]
assert left_join(right_hash_fixture,
left_hash_fixture) == [['fond', 'averse', 'enamored'],
['wrath', 'delight', 'anger'],
['delight', 'idle', 'employed'],
['guide', 'follow', 'usher'],
['flow', 'jam', 'NULL']]
assert left_join(left_hash_fixture,
empty_hash_fixture) == [['fond', 'enamored', 'NULL'],
['wrath', 'anger', 'NULL'],
['delight', 'employed', 'NULL'],
['outfit', 'garp', 'NULL'],
['guide', 'usher', 'NULL']]
assert left_join(right_hash_fixture,
empty_hash_fixture) == [['fond', 'averse', 'NULL'],
['wrath', 'delight', 'NULL'],
['delight', 'idle', 'NULL'],
['guide', 'follow', 'NULL'],
['flow', 'jam', 'NULL']]
assert left_join(empty_hash_fixture, right_hash_fixture) == []
assert left_join(empty_hash_fixture, left_hash_fixture) == []
def test_function_will_account_for_empty_left(hashmap1):
actual = left_join({}, hashmap1)
expected = []
assert actual == expected
def test_function_will_account_for_both_empty():
actual = left_join({}, {})
expected = []
assert actual == expected
def test_function_will_account_for_empty_right(hashmap1):
actual = left_join(hashmap1, {})
expected = [["a", "aa", None], ["b", "bb", None], ["c", "cc", None],
["d", "dd", None], ["e", "ee", None]]
assert actual == expected