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tests/test_utils_reactorless.py
50 строк
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Andrey Rakhmatullin
Reactorless import hook improvements. (#7747)
21 июл 2026, 17:58
Не верифицирован
21 июл 2026, 17:58
ca21306
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from __future__ import annotations import sys import pytest from scrapy.utils.reactorless import ( ReactorImportHook, install_reactor_import_hook, uninstall_reactor_import_hook, ) class TestReactorImportHook: def test_install_and_uninstall(self) -> None: hook = install_reactor_import_hook() try: assert isinstance(hook, ReactorImportHook) assert sys.meta_path[0] is hook finally: uninstall_reactor_import_hook(hook) assert hook not in sys.meta_path def test_uninstall_twice(self) -> None: hook = install_reactor_import_hook() uninstall_reactor_import_hook(hook) uninstall_reactor_import_hook(hook) assert hook not in sys.meta_path def test_uninstall_not_installed(self) -> None: uninstall_reactor_import_hook(ReactorImportHook()) def test_uninstall_only_removes_the_given_hook(self) -> None: hook1 = install_reactor_import_hook() hook2 = install_reactor_import_hook() try: uninstall_reactor_import_hook(hook1) assert hook1 not in sys.meta_path assert hook2 in sys.meta_path finally: uninstall_reactor_import_hook(hook1) uninstall_reactor_import_hook(hook2) def test_find_spec(self) -> None: hook = ReactorImportHook() with pytest.raises( ImportError, match=r"Import of twisted\.internet\.reactor is forbidden" ): hook.find_spec("twisted.internet.reactor", None) assert hook.find_spec("twisted.internet.defer", None) is None