Test helpers

Additional test utilities complementing fastcore.test

test_raises

Context manager for testing exceptions. More ergonomic than test_fail for multi-line code blocks and allows optional message content validation.

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test_raises

def test_raises(
    expected:Type[Exception], contains:str | None=None
):

with test_raises(ZeroDivisionError):
    1/0  # type: ignore

with test_raises(ZeroDivisionError, 'division by zero'):
    1/0  # type: ignore

test_afail

Async version of fastcore.test.test_fail. Test that an async function raises an exception.

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test_afail

async def test_afail(
    f, msg:str='', contains:str='', args:NoneType=None, kwargs:NoneType=None
):

Like fastcore own ‘test_fail’, but async

test_is_not

Test that two objects are not the same instance. Complement to fastcore.test.test_is.

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test_is_not

def test_is_not(
    a, b
):

test that a is not b