def test_dict_merge_4(): base = {'a': {'a': 1}, 'b': {'b': 2}} top = {'a': {'a': 2, 'b': 3}} assert dict_merge(base, top) == {'a': {'a': 2, 'b': 3}, 'b': {'b': 2}}
def test_dict_merge_2(): base = {'a': 1} top = {'a': 2, 'b': 3} assert dict_merge(base, top) == top
def test_dict_merge_3(): base = {'a': 1, 'b': 2} top = {'a': 2} assert dict_merge(base, top) == {'a': 2, 'b': 2}
def test_dict_merge_1(): base = {'a': 1} top = {'a': 2} assert dict_merge(base, top) == top