mirror of
https://github.com/Abdess/retroarch_system.git
synced 2026-10-10 21:43:23 -05:00
105 lines
3.9 KiB
Python
105 lines
3.9 KiB
Python
"""The pack and the install manifest place the same bytes at a destination.
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The builder replaced a file an emulator rejects by a held variant both
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accept; the manifest kept the first resolution. install.py then placed the
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PS2 ROM2.BIN at galaksija/ROM2.BIN where the pack carried the Galaksija ROM,
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across 14 destinations on six platforms.
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"""
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from __future__ import annotations
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import ast
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import hashlib
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import sys
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import tempfile
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import unittest
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from pathlib import Path
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REPO_ROOT = Path(__file__).resolve().parent.parent
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sys.path.insert(0, str(REPO_ROOT / "scripts"))
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from validation import ( # noqa: E402
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_build_validation_index,
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destination_owners,
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validated_choice,
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)
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class ValidatedChoice(unittest.TestCase):
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def test_a_rejected_file_gives_way_to_an_accepted_variant(self):
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with tempfile.TemporaryDirectory(dir=REPO_ROOT / "tmp") as tmp:
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wrong = Path(tmp) / "ps2" / "ROM2.BIN"
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right = Path(tmp) / "galaksija" / "ROM2.BIN"
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wrong.parent.mkdir()
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right.parent.mkdir()
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wrong.write_bytes(b"p" * 64)
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right.write_bytes(b"g" * 4096)
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db = {
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"files": {
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hashlib.sha1(p.read_bytes()).hexdigest(): {
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"path": str(p),
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"name": "ROM2.BIN",
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"size": p.stat().st_size,
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"md5": hashlib.md5(p.read_bytes()).hexdigest(),
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}
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for p in (wrong, right)
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},
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"indexes": {"by_name": {}, "by_md5": {}},
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}
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db["indexes"]["by_name"]["ROM2.BIN"] = list(db["files"])
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index = _build_validation_index({
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"galaksija": {
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"emulator": "galaksija",
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"files": [{"name": "ROM2.BIN", "size": 4096, "validation": ["size"]}],
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}
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})
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chosen, disagreement = validated_choice(
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{"name": "ROM2.BIN"}, str(wrong), db, index, tmp, None
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)
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self.assertEqual(chosen, str(right))
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self.assertIsNone(disagreement)
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def test_a_destination_another_emulator_owns_is_not_judged(self):
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"""ZEsarUX's 48 KB cpc6128.rom check gave ep128emu the composite image."""
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profiles = {
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"zesarux": {"files": [
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{"name": "cpc6128.rom", "size": 49152, "validation": ["size"]},
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]},
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"ep128emu": {"files": [
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{"name": "cpc6128.rom", "path": "ep128emu/roms/cpc6128.rom"},
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]},
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}
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index = _build_validation_index(profiles)
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owners = destination_owners(profiles)
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with tempfile.TemporaryDirectory(dir=REPO_ROOT / "tmp") as tmp:
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rom = Path(tmp) / "cpc6128.rom"
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rom.write_bytes(b"c" * 32768)
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db = {"files": {}, "indexes": {"by_name": {}, "by_md5": {}}}
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for destination, judged in (
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("ep128emu/roms/cpc6128.rom", False),
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("cpc6128.rom", True),
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):
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with self.subTest(destination=destination):
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_chosen, disagreement = validated_choice(
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{"name": "cpc6128.rom"}, str(rom), db, index, tmp, None,
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destination, owners,
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)
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self.assertEqual(disagreement is not None, judged)
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def test_pack_and_manifest_both_read_it(self):
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tree = ast.parse((REPO_ROOT / "scripts" / "generate_pack.py").read_text(encoding="utf-8"))
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callers = {
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node.name
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for node in ast.walk(tree)
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if isinstance(node, ast.FunctionDef)
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and any(
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isinstance(call, ast.Call) and getattr(call.func, "id", None) == "validated_choice"
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for call in ast.walk(node)
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)
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}
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self.assertLessEqual({"generate_pack", "generate_manifest"}, callers)
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if __name__ == "__main__":
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unittest.main()
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