mirror of
https://github.com/Abdess/retroarch_system.git
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68 lines
2.2 KiB
Python
68 lines
2.2 KiB
Python
"""A profile's aliases attach to the file its name designates, or to none.
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generate_db matched an alias-carrying entry by name through a dict that
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kept the last file of that name. quasi88's disk.rom aliases (N88SUB.ROM,
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n88sub.rom) went to a Tandy CoCo disk.rom, and a name lookup for the PC-88
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disk ROM then served the CoCo one.
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"""
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from __future__ import annotations
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import os
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import sys
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import tempfile
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import types
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import unittest
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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().parents[1]
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sys.path.insert(0, str(REPO_ROOT / "scripts"))
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class _NoCoreInfo:
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def fetch_requirements(self):
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return []
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class AliasesNeedAnUnambiguousName(unittest.TestCase):
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def _aliases(self, files: dict) -> dict:
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import generate_db
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stub = types.ModuleType("scraper.coreinfo_scraper")
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stub.Scraper = _NoCoreInfo
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with tempfile.TemporaryDirectory(dir=REPO_ROOT / "tmp") as tmp:
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previous = os.getcwd()
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os.chdir(tmp)
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try:
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Path("emulators").mkdir()
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Path("emulators/x.yml").write_text(
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'files:\n - name: "disk.rom"\n aliases: ["n88sub.rom"]\n'
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)
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with mock.patch.dict(sys.modules, {"scraper.coreinfo_scraper": stub}):
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return generate_db._collect_all_aliases(files)
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finally:
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os.chdir(previous)
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@staticmethod
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def _file(name: str, path: str, md5: str) -> dict:
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return {"name": name, "path": path, "md5": md5}
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def test_homonyms_take_no_alias(self):
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files = {
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"a": self._file("disk.rom", "bios/NEC/PC-98/disk.rom", "m1"),
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"b": self._file("disk.rom", "bios/Tandy/CoCo/disk.rom", "m2"),
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}
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aliases = self._aliases(files)
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named = {a["name"] for entries in aliases.values() for a in entries}
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self.assertNotIn("n88sub.rom", named)
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def test_a_unique_name_still_carries_its_aliases(self):
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files = {"a": self._file("disk.rom", "bios/NEC/PC-88/disk.rom", "m1")}
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aliases = self._aliases(files)
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self.assertEqual([a["name"] for a in aliases.get("a", [])], ["n88sub.rom"])
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if __name__ == "__main__":
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unittest.main()
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