def testNewType(self):
from typing import NewType
UID = NewType("UID", int)
uid = UID(42)
self.assertTrue(isconsistent(uid, UID))
self.assertTrue(isconsistent(1, UID))
def testSet(self):
from typing import Set
self.assertTrue(isconsistent(set(), Set[str]))
self.assertFalse(isconsistent({}, Set[str]))
self.assertTrue(isconsistent({"foo"}, Set[str]))
self.assertTrue(isconsistent({1, 2, 3}, Set[int]))
self.assertFalse(isconsistent({1, 2, "foo"}, Set[int]))
def testType(self):
from typing import Type
class X:
pass
class Y(X):
pass
self.assertTrue(isconsistent(X, Type[X]))
self.assertTrue(isconsistent(Y, Type[X]))
self.assertFalse(isconsistent(X(), Type[X]))
def testTuple(self):
from typing import Tuple
self.assertTrue(isconsistent((1, "foo"), Tuple[int, str]))
self.assertFalse(isconsistent((1, ), Tuple[int, str]))
self.assertFalse(isconsistent(("foo", 1), Tuple[int, str]))
self.assertTrue(isconsistent((), Tuple[int, ...]))
self.assertTrue(isconsistent((1, ), Tuple[int, ...]))
self.assertTrue(isconsistent((1, 2), Tuple[int, ...]))
self.assertTrue(isconsistent((1, 2, 3), Tuple[int, ...]))
self.assertFalse(isconsistent((1, 2, 3, "foo"), Tuple[int, ...]))
self.assertTrue(isconsistent((), Tuple[()]))
self.assertFalse(isconsistent((1, ), Tuple[()]))
def testDict(self):
from typing import Dict
self.assertTrue(isconsistent({}, Dict[str, int]))
self.assertFalse(isconsistent([], Dict[str, int]))
self.assertTrue(isconsistent({"foo": 1}, Dict[str, int]))
self.assertFalse(isconsistent({"foo": "bar"}, Dict[str, int]))
from typing import Mapping
self.assertTrue(isconsistent({}, Mapping[str, int]))
self.assertFalse(isconsistent([], Mapping[str, int]))
self.assertTrue(isconsistent({"foo": 1}, Mapping[str, int]))
self.assertFalse(isconsistent({"foo": "bar"}, Mapping[str, int]))
def testNamedDict(self):
d = {
'x': 1,
'y': 1,
'z': 2,
}
self.assertTrue(isconsistent({}, EmptyDict))
self.assertFalse(isconsistent({}, T1))
self.assertTrue(isconsistent(d, T1))
self.assertTrue(isconsistent(d, T2))
self.assertFalse(isconsistent(d, T3))
d['foo'] = 4
self.assertFalse(isconsistent(d, T3))
d['foo'] = 'bar'
self.assertTrue(isconsistent(d, T3))
# TODO
# del d['z']
# self.assertTrue(isconsistent(d, T3))
def testUnion(self):
t = Union[int, str]
self.assertFalse(isconsistent(None, t))
self.assertTrue(isconsistent(1, t))
self.assertTrue(isconsistent("foo", t))
self.assertFalse(isconsistent(1.0, t))
t = Optional[int]
self.assertTrue(isconsistent(None, t))
self.assertTrue(isconsistent(1, t))
self.assertFalse(isconsistent("foo", t))
class X:
pass
t = Optional[Union[float, X]]
self.assertTrue(isconsistent(None, t))
self.assertTrue(isconsistent(1, t))
self.assertFalse(isconsistent("foo", t))
t = Literal["x", "y"]
self.assertTrue(isconsistent("y", t))
self.assertFalse(isconsistent("z", t))
def testAny(self):
from typing import Any
self.assertTrue(isconsistent(None, Any))
self.assertTrue(isconsistent({}, Any))
self.assertTrue(isconsistent(int, Any))
def testList(self):
from typing import List
self.assertFalse(isconsistent(None, List[int]))
self.assertTrue(isconsistent([], List[int]))
self.assertFalse(isconsistent({}, List[int]))
self.assertTrue(isconsistent([1], List[int]))
self.assertFalse(isconsistent([1, "foo"], List[int]))
from typing import Iterable
self.assertTrue(isconsistent([1], Iterable[int]))
from typing import Sequence
self.assertFalse(isconsistent(None, Sequence[int]))
self.assertTrue(isconsistent([], Sequence[int]))
self.assertFalse(isconsistent({}, Sequence[int]))
self.assertTrue(isconsistent([1], Sequence[int]))
self.assertFalse(isconsistent([1, "foo"], Sequence[int]))
def testBasic(self):
self.assertTrue(isconsistent(None, None))
self.assertTrue(isconsistent(None, object))
self.assertTrue(isconsistent(1, object))
self.assertTrue(isconsistent(1, int))
self.assertTrue(isconsistent(True, int))
self.assertTrue(isconsistent(1, float))
self.assertTrue(isconsistent(1.0, float))
self.assertTrue(isconsistent(1, complex))
self.assertTrue(isconsistent(1.0, complex))
self.assertTrue(isconsistent("foo", str))
self.assertTrue(isconsistent({}, dict))
self.assertTrue(isconsistent([], list))
class X:
pass
class Y(X):
pass
self.assertTrue(isconsistent(Y(), object))
self.assertTrue(isconsistent(Y(), X))
self.assertTrue(isconsistent(Y(), Y))
# and some inconsistent ones
self.assertFalse(isconsistent(1, None))
self.assertFalse(isconsistent(1, str))
self.assertFalse(isconsistent(1, bool))
self.assertFalse(isconsistent({}, list))
self.assertFalse(isconsistent(X(), Y))
from typing import NoReturn
self.assertFalse(isconsistent(None, NoReturn))
self.assertFalse(isconsistent(NoReturn, NoReturn))