72 lines
2 KiB
Python
72 lines
2 KiB
Python
from pathlib import Path
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from subprocess import check_call
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import gzip
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import lzma
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import io
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import zipfile
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from my.kython.kompress import kopen, kexists, CPath
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def test_kopen(tmp_path: Path) -> None:
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"Plaintext handled transparently"
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assert kopen(tmp_path / 'file' ).read() == 'just plaintext'
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assert kopen(tmp_path / 'file.xz').read() == 'compressed text'
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"For zips behaviour is a bit different (not sure about all this, tbh...)"
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assert kopen(tmp_path / 'file.zip', 'path/in/archive').read() == 'data in zip'
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def test_kexists(tmp_path: Path) -> None:
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assert kexists(str(tmp_path / 'file.zip'), 'path/in/archive')
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assert not kexists(str(tmp_path / 'file.zip'), 'path/notin/archive')
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# TODO not sure about this?
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assert not kexists(tmp_path / 'nosuchzip.zip', 'path/in/archive')
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def test_cpath(tmp_path: Path) -> None:
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CPath(str(tmp_path / 'file' )).read_text() == 'just plaintext'
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CPath( tmp_path / 'file.xz').read_text() == 'compressed text'
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# TODO not sure about zip files??
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import pytest # type: ignore
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@pytest.fixture(autouse=True)
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def prepare(tmp_path: Path):
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(tmp_path / 'file').write_text('just plaintext')
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with (tmp_path / 'file.xz').open('wb') as f:
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with lzma.open(f, 'w') as lzf:
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lzf.write(b'compressed text')
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with zipfile.ZipFile(tmp_path / 'file.zip', 'w') as zf:
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zf.writestr('path/in/archive', 'data in zip')
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try:
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yield None
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finally:
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pass
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# meh
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from my.core.error import test_sort_res_by
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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():
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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(arg: str) -> List[str]:
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return []
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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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assert empty('whatever') == []
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assert len(w) == 1
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