def test_keys_nested_unique():
"""Getting nested unique keys."""
flex = FlexDict(DATA)
assert flex.keys(nested=True,
unique=True) == {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'}
def test_keys_unique():
"""Getting unique keys."""
flex = FlexDict(DATA)
assert sorted(flex.keys(unique=True)) == sorted(set(DATA.keys()))
def test_keys_nested():
"""Getting nested keys."""
flex = FlexDict(DATA)
assert sorted(
flex.keys(nested=True)) == ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h']
def test_keys():
"""Getting keys."""
flex = FlexDict(DATA)
assert flex.keys() == DATA.keys()