mirror of
https://github.com/Abdess/retroarch_system.git
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65 lines
2.0 KiB
Python
65 lines
2.0 KiB
Python
"""A target scraper that cannot read its source writes nothing.
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The EmuDeck, RetroPie and RetroArch scrapers turned a failed request (an
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anonymous API quota, a moved buildbot directory) into an empty core list
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and wrote the file anyway: a target vanished, or kept no cores, and the
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packs built for it shrank without an error.
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"""
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from __future__ import annotations
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import sys
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import unittest
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import urllib.error
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from pathlib import Path
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from unittest import mock
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REPO_ROOT = Path(__file__).resolve().parent.parent
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sys.path.insert(0, str(REPO_ROOT))
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from scripts.scraper.targets import ( # noqa: E402
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emudeck_targets_scraper,
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retroarch_targets_scraper,
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retropie_targets_scraper,
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)
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def _refuse(*_args, **_kwargs):
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raise urllib.error.HTTPError("https://api.github.com/x", 403, "rate limited", {}, None)
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class FailedRequestsStopTheScrape(unittest.TestCase):
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def test_every_scraper_raises(self):
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for module in (
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emudeck_targets_scraper,
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retropie_targets_scraper,
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retroarch_targets_scraper,
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):
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with self.subTest(scraper=module.__name__):
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with mock.patch.object(module.urllib.request, "urlopen", _refuse):
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with self.assertRaises(RuntimeError):
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module.Scraper().fetch_targets()
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def test_an_empty_listing_is_not_a_target(self):
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class _Empty:
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def __enter__(self):
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return self
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def __exit__(self, *exc):
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return False
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def read(self):
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return b"[]"
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for module in (emudeck_targets_scraper, retropie_targets_scraper):
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with self.subTest(scraper=module.__name__):
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with mock.patch.object(
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module.urllib.request, "urlopen", lambda *a, **k: _Empty()
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):
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with self.assertRaises(RuntimeError):
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module.Scraper().fetch_targets()
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if __name__ == "__main__":
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unittest.main()
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