def test_set_city_invalid_type(app):
user = User('*****@*****.**', 'blah')
with pytest.raises(TypeError) as e:
user.city = 555
assert str(e.value) == 'City must be string.'
def test_unset_city(app):
user = User('*****@*****.**', 'blah', city='Humenne')
assert user.city is not None
user.city = None
assert user.city is None
def test_set_city(app):
user = User('*****@*****.**', 'blah')
assert user.city is None
user.city = 'Humenne'
assert user.city == 'Humenne'
