7c0f304f94
* core: add ZipPath encapsulating compressed zip files this way you don't have to unpack it first and can work as if it's a 'virtual' directory related: https://github.com/karlicoss/HPI/issues/20
94 lines
2.4 KiB
Python
94 lines
2.4 KiB
Python
from typing import Iterable, List
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import warnings
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from my.core import warn_if_empty
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def test_warn_if_empty() -> None:
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@warn_if_empty
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def nonempty() -> Iterable[str]:
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yield 'a'
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yield 'aba'
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@warn_if_empty
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def empty() -> List[int]:
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return []
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# should be rejected by mypy!
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# todo how to actually test it?
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# @warn_if_empty
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# def baad() -> float:
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# return 0.00
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# reveal_type(nonempty)
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# reveal_type(empty)
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with warnings.catch_warnings(record=True) as w:
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assert list(nonempty()) == ['a', 'aba']
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assert len(w) == 0
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eee = empty()
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assert eee == []
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assert len(w) == 1
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def test_warn_iterable() -> None:
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from my.core.common import _warn_iterable
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i1: List[str] = ['a', 'b']
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i2: Iterable[int] = iter([1, 2, 3])
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# reveal_type(i1)
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# reveal_type(i2)
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x1 = _warn_iterable(i1)
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x2 = _warn_iterable(i2)
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# vvvv this should be flagged by mypy
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# _warn_iterable(123)
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# reveal_type(x1)
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# reveal_type(x2)
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with warnings.catch_warnings(record=True) as w:
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assert x1 is i1 # should be unchanged!
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assert len(w) == 0
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assert list(x2) == [1, 2, 3]
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assert len(w) == 0
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def test_cachew() -> None:
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from cachew import settings
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settings.ENABLE = True # by default it's off in tests (see conftest.py)
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from my.core.cachew import cache_dir
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from my.core.common import mcachew
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called = 0
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# FIXME ugh. need doublewrap or something
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@mcachew()
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def cf() -> List[int]:
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nonlocal called
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called += 1
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return [1, 2, 3]
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list(cf())
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cc = called
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# todo ugh. how to clean cache?
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# assert called == 1 # precondition, to avoid turdes from previous tests
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assert list(cf()) == [1, 2, 3]
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assert called == cc
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def test_cachew_dir_none() -> None:
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from cachew import settings
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settings.ENABLE = True # by default it's off in tests (see conftest.py)
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from my.core.cachew import cache_dir
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from my.core.common import mcachew
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from my.core.core_config import _reset_config as reset
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with reset() as cc:
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cc.cache_dir = None
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called = 0
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@mcachew(cache_path=cache_dir() / 'ctest')
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def cf() -> List[int]:
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nonlocal called
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called += 1
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return [called, called, called]
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assert list(cf()) == [1, 1, 1]
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assert list(cf()) == [2, 2, 2]
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