Beispiel #1
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async def test_dropwhile_predicate_not_callable():
    """Check that dropwhile raises TypeError if the predicate not callable."""
    with pytest.raises(TypeError):

        await aitertools.anext(aitertools.dropwhile(10, range(10)))
Beispiel #2
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async def test_dropwhile_too_many_args():
    """Check that dropwhile raises TypeError when too many args."""
    with pytest.raises(TypeError):

        await aitertools.anext(aitertools.dropwhile(1, 2, 3))
Beispiel #3
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async def test_dropwhile_empty_iterable():
    """Check that dropwhile is empty when the given iterable is empty."""
    assert (await aitertools.alist(
        aitertools.dropwhile(lambda x: x < 10, [])
    )) == []
Beispiel #4
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async def test_dropwhile_too_few_args():
    """Check that dropwhile raises TypeError when too few args."""
    with pytest.raises(TypeError):

        await aitertools.anext(aitertools.dropwhile())
Beispiel #5
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async def test_dropwhile_omits_values_while_predicate_is_true():
    """Check that dropwhile omits values until the predicate returns False."""
    assert (await aitertools.alist(
        aitertools.dropwhile(lambda x: x < 10, range(5, 15))
    )) == list(range(10, 15))