from coreschema import Integer, String, Boolean

def test_intersection_of_types():

# validate will never succeed in this case.

schema = Integer() & String()

assert schema.validate('abc') == [('Must be an integer.', [])]

assert schema.validate(123) == [('Must be a string.', [])]

def test_intersection_of_intersections():

# validate will never succeed in this case.

schema = (Integer() & String()) & Boolean()

assert schema.validate('abc') == [

('Must be an integer.', []),

('Must be a boolean.', [])

]

assert schema.validate(123) == [

('Must be a string.', []),

('Must be a boolean.', [])

]

def test_intersection_of_type_restrictions():

schema = Integer(multiple_of=3) & Integer(multiple_of=5)

assert schema.validate(2) == [

('Must be a multiple of 3.', []),

('Must be a multiple of 5.', [])

]

assert schema.validate(3) == [('Must be a multiple of 5.', [])]

assert schema.validate(5) == [('Must be a multiple of 3.', [])]

assert schema.validate(15) == []