def test_contains_returns_false_if_some_parameter_is_false():
"contains_all() returns False if some parameter is empty or false"
data = {'name': 'John Doe', 'email': ''}
assert controllers.contains_all(data, 'name', 'email') is False
data = {'name': 'John Doe', 'email': None}
assert controllers.contains_all(data, 'name', 'email') is False
data = {'name': 'John Doe', 'age': 0}
assert controllers.contains_all(data, 'name', 'age') is False
def test_contains_returns_true():
"contains_all() returns True if all parameters are filled"
data = {'name': 'John Doe', 'email': '*****@*****.**'}
assert controllers.contains_all(data, 'name', 'email') is True
def test_contains_returns_false_if_some_parameter_is_missing():
"contains_all() returns False if some parameter is missing"
data = {'name': 'John Doe'}
assert controllers.contains_all(data, 'name', 'email') is False