def test(self):
validator = is_type(int) | is_type(str)
self.assertEqual(1, validator(1))
self.assertEqual("monkey", validator("monkey"))
self.assertRaises(TypeError, validator, 1.0)
def test_set_composite(self):
validator = is_type({cast(int) & passes(lambda x: x >= 10)})
self.assertEqual({10, 11, 12},
validator({10,11,12}))
self.assertRaises(ValueError, validator, {"foo"})
self.assertRaises(AssertionError, validator, {1})
def test_list_composite(self):
validator = is_type([cast(int) & passes(lambda x: x >= 10)])
self.assertEqual([10, 11, 12],
validator([10,11,12]))
self.assertRaises(ValueError, validator, ["foo"])
self.assertRaises(AssertionError, validator, [1])
def test_dict(self):
validator = is_type({
"name": str,
"age": int,
})
self.assertEqual({"name": "Eric", "age": 32},
validator({"name": "Eric",
"age": 32}))
def test_complex(self):
validator = is_type(
[
{
"name": is_type(str) & passes(len),
"age": cast(int) & passes(lambda x: 18 <= x <= 99),
"sex": cast(str.lower) & passes(lambda s: s in ["male", "female"])
}
])
data = [{'name': 'Sue', 'age': '28', 'sex': 'FEMALE'},
{'name': 'Sam', 'age': '42', 'sex': 'Male'},
{'name': 'Sacha', 'age': '20', 'sex': 'Male'}]
self.assertEqual(
[{'name': 'Sue', 'age': 28, 'sex': 'female'},
{'name': 'Sam', 'age': 42, 'sex': 'male'},
{'name': 'Sacha', 'age': 20, 'sex': 'male'}],
validator(data))
def test_type(self):
self.assertEqual("Hi", is_type(str)("Hi"))
self.assertEqual(1, is_type(int)(1))
self.assertEqual(1.0, is_type(float)(1.0))
self.assertEqual([], is_type(list)([]))
self.assertEqual({1}, is_type(set)({1}))
self.assertEqual({"foo": "bar"}, is_type(dict)({"foo":"bar"}))
self.assertRaises(TypeError, is_type(int), 1.0)
def test(self):
validator = cast(int) & is_type(int)
self.assertEqual(1, validator("1"))
self.assertRaises(ValueError, validator, "monkey")
def test_set(self):
self.assertEqual({1, 2}, is_type({int})({1,2}))
def test_list(self):
validator = is_type([int,str])
self.assertEqual([1,2], validator([1,2]))
self.assertEqual(["foo"], validator(["foo"]))
self.assertRaises(TypeError, validator, "foo")
self.assertRaises(TypeError, validator, [1.0])
def test_constant(self):
self.assertEqual(1, is_type(1)(1))
