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from typing import List, Dict, Union, Optional, Callable, Any, Tuple, Type |
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from unittest import TestCase |
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from typish._functions import instance_of |
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class A: pass |
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class B(A): pass |
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class C(B): pass |
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class D(C): pass |
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class E(D): pass |
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class F(E, str): pass |
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class TestInstanceOf(TestCase): |
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def test_instance_of(self): |
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self.assertTrue(instance_of([[[1], [2]]], List[List[List[int]]])) |
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self.assertTrue(instance_of([[[1], ['2']]], List[List[List[object]]])) |
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self.assertTrue(instance_of([], List[int])) |
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self.assertTrue(instance_of({}, Dict[int, int])) |
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def test_instance_of_multiple(self): |
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self.assertTrue(instance_of(F(), A)) |
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self.assertTrue(instance_of(F(), str)) |
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self.assertTrue(instance_of(F(), A, str)) |
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self.assertTrue(not instance_of(F(), A, str, int)) |
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def test_instance_of_union(self): |
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self.assertTrue(instance_of(F(), Union[int, A])) |
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self.assertTrue(instance_of(F(), Union[A, int])) |
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self.assertTrue(instance_of(F(), Union[A, str])) |
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self.assertTrue(instance_of(F(), Optional[str])) |
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self.assertTrue(instance_of(None, Optional[str])) |
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def test_instance_of_callable(self): |
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def func1(x: int, y: str) -> object: |
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pass |
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def func2() -> int: |
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pass |
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def func3(x: int): |
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pass |
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def func4(): |
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pass |
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def func5(x): |
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pass |
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def func6(l: List[List[List[int]]]): |
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pass |
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self.assertTrue(instance_of(func1, Callable[[int, str], object])) |
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self.assertTrue(instance_of(func1, Callable[[object, str], object])) |
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self.assertTrue(not instance_of(func1, Callable[[str, str], object])) |
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self.assertTrue(not instance_of(func1, Callable[[str, str], int])) |
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self.assertTrue(instance_of(func2, Callable[[], int])) |
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self.assertTrue(instance_of(func3, Callable[[int], Any])) |
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self.assertTrue(instance_of(func4, Callable)) |
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self.assertTrue(instance_of(func5, Callable[[Any], Any])) |
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self.assertTrue(instance_of(func6, Callable[[List[List[List[int]]]], Any])) |
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def test_lambda_instance_of_callable(self): |
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self.assertTrue(instance_of(lambda x, y: 42, Callable[[int, str], str])) |
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self.assertTrue(instance_of(lambda: 42, Callable[[], str])) |
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def test_instance_of_type(self): |
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self.assertTrue(instance_of(int, Type)) |
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self.assertTrue(instance_of(int, Type[int])) |
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self.assertTrue(not instance_of(str, Type[int])) |
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def test_instance_of_tuple(self): |
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self.assertTrue(instance_of((1,), Tuple[int])) |
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self.assertTrue(instance_of((1, 2, 3), Tuple[int, ...])) |
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ramonhagenaars /
typish
