def test_value_error(self):
@assure(tuple_of(int, int))
def f(x):
return x
with self.assertRaises(ValueError):
f(("bla", "bla"))
with self.assertRaises(ValueError):
f((1, "bla"))
with self.assertRaises(ValueError):
f(("bla", 2))
def test_convert(self):
@assure(tuple_of(str, int))
def f(x):
return x
self.assertEquals(("1",0), f(("1", "0")))
def test_pass_through(self):
@assure(tuple_of(str, int))
def f(x):
return x
self.assertEquals(("bla", 1), f(("bla", 1)))
