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imSp4rky
22cc739e83
Check a sequential download against the complete length whenever one is known, and settle the unknown-total case on the 416. An empty body of unknown length, a 206 with no complete length, and a 206 starting past the resume offset all passed the size checks before and were renamed into place. Four restart paths spent no attempt, so a host that always answered the same way cycled forever.
41 lines
1.7 KiB
Python
41 lines
1.7 KiB
Python
"""No test may patch ``load_cdm`` on the CDM package with ``setattr``.
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``unshackle.core.cdm`` resolves ``load_cdm`` through a lazy ``__getattr__`` (PEP 562), so the
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name never sits in the package dict. ``monkeypatch.setattr`` on the package reads the old value
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through ``__getattr__`` and, on undo, writes the real function into the package dict. That key
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shadows ``__getattr__`` for the rest of the process, and every later test that patches
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``unshackle.core.cdm.loader`` loses its stub. ``tests/commands/test_cdm_cache.py`` ran the real
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loader and raised ``ValueError: device_b does not exist``.
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``monkeypatch.setitem(cdm_mod.__dict__, "load_cdm", ...)`` leaves no residue: it deletes the key
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it added. This guard names the file at fault instead of leaving the damage to surface in an
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unrelated test.
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"""
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from __future__ import annotations
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import re
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from pathlib import Path
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from typing import List
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import pytest
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pytestmark = pytest.mark.unit
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TESTS_ROOT = Path(__file__).resolve().parents[2]
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# A setattr of load_cdm on anything but the loader module, which holds the name for real.
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PACKAGE_SETATTR = re.compile(r"""setattr\(\s*(?!loader\b)[\w.]+\s*,\s*["']load_cdm["']""")
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def test_no_test_patches_load_cdm_on_the_package() -> None:
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offenders: List[str] = []
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for path in sorted(TESTS_ROOT.rglob("test_*.py")):
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if path == Path(__file__).resolve():
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continue
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for number, line in enumerate(path.read_text(encoding="utf-8").splitlines(), start=1):
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if PACKAGE_SETATTR.search(line):
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offenders.append(f"{path.relative_to(TESTS_ROOT)}:{number}: {line.strip()}")
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assert not offenders, "patch the package dict with monkeypatch.setitem instead:\n" + "\n".join(offenders)
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