Files
libretro/tests/test_export_report.py
T
Abdessamad Derraz 479ada29fe docs: word removal candidates by what was searched
"No core opens it" claimed more than the search shows: what was
checked is that no profile of a core the platform runs names the
entry by name, path or hash. The reason and the page sentence now
say that.
2026-10-20 20:00:54 +02:00

433 lines
19 KiB
Python

"""The corrected platform files are published with every change named.
export_native printed five examples per kind of change and nothing else
recorded the rest: a platform maintainer had no page to fetch the corrected
file from and no list to check the diff against.
"""
from __future__ import annotations
import json
import re
import sys
import tempfile
import unittest
from pathlib import Path
sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "scripts"))
import export_native # noqa: E402
from siteexports import generate_exports_page, load_export_reports # noqa: E402
ROOT = Path(__file__).resolve().parent.parent
def _report(platform: str, files: list[str], **changes: object) -> dict:
report = {
"platform": platform,
"originals": {f: f"https://example.org/{platform}/{f}" for f in files},
"files": files,
"summary": "3 kept, 1 added, 7 hashes corrected, 0 requirements corrected",
"hashes_corrected": [], "hashes_filled": [], "sizes_corrected": [],
"sizes_removed": [], "hashes_cleared": [], "requirements_corrected": 0,
"withheld": [], "invalid": [],
}
report.update(changes)
return report
class ExportReportIsWrittenAndRead(unittest.TestCase):
def test_report_round_trips_through_the_page_loader(self):
with tempfile.TemporaryDirectory(dir=ROOT / "tmp") as scratch:
report = _report("recalbox", ["es_bios.xml"])
export_native.write_report(Path(scratch) / "recalbox.json", report)
(Path(scratch) / "recalbox").mkdir()
self.assertEqual(load_export_reports(scratch), [report])
def test_a_report_goes_into_a_directory_not_yet_made(self):
"""RetroPie with nothing left to correct writes no file, so its
output directory was never made and the report crashed --all."""
with tempfile.TemporaryDirectory(dir=ROOT / "tmp") as scratch:
target = Path(scratch) / "fresh" / "retropie.json"
export_native.write_report(target, _report("retropie", []))
self.assertTrue(target.exists())
def test_export_keeps_every_change_not_the_printed_five(self):
source = (ROOT / "scripts" / "export_native.py").read_text(encoding="utf-8")
body = source[source.index("def export_platform("):source.index("def write_report(")]
call = body[body.index("write_report("):]
for key, value in (
("hashes_corrected", "applied"), ("hashes_filled", "filled"),
("sizes_corrected", "resized"), ("sizes_removed", "unsized"),
("hashes_cleared", "cleared"), ("invalid", "issues"),
):
self.assertIn(f'"{key}": {value},', call)
def test_default_output_is_the_published_directory(self):
source = (ROOT / "scripts" / "export_native.py").read_text(encoding="utf-8")
self.assertIn('"--output-dir", default="exports"', source)
class CorrectedFilesPage(unittest.TestCase):
def setUp(self):
corrected = [f"sys/file{i}.bin md5" for i in range(12)]
self.reports = [
_report("recalbox", ["es_bios.xml"], hashes_corrected=corrected),
_report("retropie", ["scriptmodules/a.sh", "scriptmodules/b.sh"],
invalid=["bash -n failed on a.sh"],
withheld=["a size the format has no field for"]),
]
self.page = generate_exports_page(self.reports, {"recalbox": "Recalbox"})
def test_every_platform_has_a_row_and_a_section(self):
self.assertIn("| [Recalbox](#recalbox) | [`es_bios.xml`]", self.page)
self.assertIn("## Recalbox { #recalbox }", self.page)
self.assertIn("## retropie { #retropie }", self.page)
def test_single_file_is_downloadable_raw(self):
self.assertIn(
"(https://raw.githubusercontent.com/Abdess/retrobios/main/exports/recalbox/es_bios.xml)",
self.page,
)
def test_several_files_link_to_their_directory(self):
self.assertIn("tree/main/exports/retropie", self.page)
self.assertIn('??? note "The 2 original files it is based on"', self.page)
def test_every_change_is_listed(self):
self.assertIn('??? note "Hashes updated to the emulator source (12)"', self.page)
for i in range(12):
self.assertIn(f" - `sys/file{i}.bin md5`", self.page)
def test_a_failing_file_is_said_to_fail(self):
self.assertIn(" - bash -n failed on a.sh", self.page)
self.assertIn(" - a size the format has no field for", self.page)
def test_nothing_published_says_how_to_build(self):
self.assertIn("export_native.py --all --fetch", generate_exports_page([], {}))
def test_site_has_the_page_in_its_nav(self):
source = (ROOT / "scripts" / "generate_site.py").read_text(encoding="utf-8")
self.assertIn('{"Updated platform files": "exports.md"}', source)
workflow = (ROOT / ".github" / "workflows" / "deploy-site.yml").read_text(encoding="utf-8")
self.assertIn('"exports/**"', workflow)
class SummariesReadAsSentences(unittest.TestCase):
"""The page shows each run's summary. RetroPie's joined its parts with
semicolons and read fs-uae's "(e.g, kick13.rom)" as two file names."""
def test_an_abbreviation_is_not_a_file_name(self):
from exporter.retropie_exporter import Exporter as RetroPieExporter
names = RetroPieExporter._listed("BIOS files (e.g, kick13.rom) i.e. Kickstart")
self.assertEqual(names, {"kick13.rom"})
def test_retropie_outcome_has_no_semicolon(self):
from exporter.retropie_exporter import Exporter as RetroPieExporter
exporter = RetroPieExporter()
exporter._skipped = {"whose help text lists no files to add to": ["fs-uae", "amiberry"]}
text = exporter.outcome({}, {"a.sh": ""})
self.assertNotIn(";", text)
self.assertIn("Left as is: amiberry, fs-uae, whose help text lists no files to add to", text)
class ThePageAddressesMaintainersAsPeers(unittest.TestCase):
"""The page offers the platforms' own maintainers a file to take or
leave. "Their file", "corrected" and "of theirs" read as a verdict on
their work, which the page is not."""
def test_the_change_sentence_is_built_from_the_numbers(self):
from siteexports import change_text
report = _report("batocera", ["batocera-systems"],
hashes_corrected=["a md5", "b md5"], requirements_corrected=3)
report["counts"] = {"kept": 692, "added": 253, "not_added": 10, "not_kept": 0}
self.assertEqual(
change_text(report),
"692 entries kept, 253 files added, 2 hashes updated, "
"3 required flags aligned with the code",
)
def test_no_wording_that_judges_the_original(self):
report = _report("batocera", ["batocera-systems"], hashes_corrected=["a md5"])
report["counts"] = {"kept": 1, "added": 0, "not_added": 4, "not_kept": 1}
page = generate_exports_page([report], {}).lower()
for word in ("their file", "theirs", "corrected", "wrong", "drift", "left out"):
self.assertNotIn(word, page)
UPSTREAM_CACHE = ROOT / ".cache" / "upstream-native"
_DAT_ROM = re.compile(r"^\trom \( name (\"[^\"]+\"|\S+) (.*) \)$")
_DAT_FIELDS = {"size": "size", "crc": "crc32", "md5": "md5", "sha1": "sha1"}
_HASH_KINDS = {
"hash_corrected", "hash_filled", "hash_cleared", "size_corrected", "size_removed",
}
def _norm(value: object) -> str | None:
"""A value as the frontend reads it: a list split on commas, each value
stripped, so the layout of a wrapped attribute is not a change."""
if value in (None, ""):
return None
return ",".join(v.strip() for v in str(value).casefold().split(","))
def _parse_dat(text: str) -> dict[tuple[str, str], dict[str, str]]:
"""Each rom line of a System.dat, keyed by its section and rom name."""
roms: dict[tuple[str, str], dict[str, str]] = {}
section = ""
for line in text.splitlines():
if line.startswith('\tcomment "'):
section = line.split('"')[1]
continue
match = _DAT_ROM.match(line)
if not match:
continue
tokens = match.group(2).split()
fields = {
_DAT_FIELDS[tokens[i]]: tokens[i + 1]
for i in range(0, len(tokens) - 1, 2) if tokens[i] in _DAT_FIELDS
}
roms.setdefault((section, match.group(1).strip('"')), fields)
return roms
def _parse_es_bios(text: str) -> dict[tuple[str, str], dict[str, str]]:
"""Each bios element of an es_bios.xml, keyed by system and path."""
from common import parse_untrusted_xml
root = parse_untrusted_xml(text)
elements: dict[tuple[str, str], dict[str, str]] = {}
for system in root.iter("system"):
for bios in system.iter("bios"):
elements.setdefault((system.get("platform", ""), bios.get("path", "")), {
"md5": bios.get("md5", ""),
"required": "false" if bios.get("mandatory") == "false" else "true",
})
return elements
class ReportedChangesAreTheDiff(unittest.TestCase):
"""The report gives each change its value before and after. Read back
from the original and the updated file, the two must agree entry by
entry, or a maintainer checks the diff against a list that differs."""
def _run(self, platform: str, filename: str) -> tuple[list[dict], str, str, dict]:
from common import load_platform_config, native_layer
from exporter import discover_exporters
from exporter.baseline import build_native_model
original_path = UPSTREAM_CACHE / platform / filename
if not original_path.is_file():
self.skipTest(f"no cached original for {platform}")
config = load_platform_config(platform, str(ROOT / "platforms"))
truth = export_native.current_truth(platform, config, str(ROOT / "platforms"))
scraped = native_layer(config)
systems, report = build_native_model(truth, scraped)
exporter = discover_exporters()[platform]()
original = original_path.read_text(encoding="utf-8")
originals = {
p.name: p.read_text(encoding="utf-8")
for p in (UPSTREAM_CACHE / platform).iterdir() if p.is_file()
}
produced = exporter.render(systems, report, originals, scraped)[filename]
changes = export_native.landed_changes(exporter, systems).records
return changes, original, produced, {"exporter": exporter, "systems": systems}
@staticmethod
def _diff(before: dict, after: dict) -> tuple[set, set]:
changed = {
(key, name, _norm(before[key].get(name)), _norm(after[key].get(name)))
for key in before.keys() & after.keys()
for name in before[key].keys() | after[key].keys()
if _norm(before[key].get(name)) != _norm(after[key].get(name))
}
return changed, set(after) - set(before)
def test_system_dat(self):
changes, original, produced, ctx = self._run("retroarch", "System.dat")
exporter = ctx["exporter"]
rom_name = {
(fe.native_system, fe.name, fe.destination): exporter._rom_name(fe)
for system in ctx["systems"].values() for fe in system.files
}
changed, added = self._diff(_parse_dat(original), _parse_dat(produced))
reported = {
((c["system"], rom_name[(c["system"], c["name"], c["destination"])]),
c["field"], _norm(c["old"]), _norm(c["new"]))
for c in changes if c["kind"] in _HASH_KINDS
}
self.assertTrue(changed, "nothing changed, the comparison proves nothing")
self.assertEqual(reported, changed)
reported_added = {
(c["system"], rom_name[(c["system"], c["name"], c["destination"])])
for c in changes if c["kind"] == "added"
}
self.assertEqual(reported_added, added)
def test_recalbox(self):
changes, original, produced, ctx = self._run("recalbox", "es_bios.xml")
exporter = ctx["exporter"]
path_of = {
(fe.native_system, fe.name, fe.destination): exporter._path(fe)
for system in ctx["systems"].values() for fe in system.files
}
changed, added = self._diff(_parse_es_bios(original), _parse_es_bios(produced))
reported = {
((c["system"], path_of[(c["system"], c["name"], c["destination"])]),
c["field"], _norm(c["old"]), _norm(c["new"]))
for c in changes
if c["kind"] in _HASH_KINDS or c["kind"] == "requirement_corrected"
}
self.assertTrue(changed, "nothing changed, the comparison proves nothing")
self.assertEqual(reported, changed)
reported_added = {
(c["system"], path_of[(c["system"], c["name"], c["destination"])])
for c in changes if c["kind"] == "added"
}
self.assertEqual(reported_added, added)
class ThePageShowsEachValueBeforeAndAfter(unittest.TestCase):
"""A list of names gave a maintainer nothing to check a correction
against: each line now says what the value was and what it becomes."""
def setUp(self):
def change(kind: str, field: str | None, old: object, new: object) -> dict:
return {"kind": kind, "system": "psx", "name": "scph5501.bin",
"destination": "scph5501.bin", "field": field,
"old": old, "new": new}
self.report = _report(
"recalbox", ["es_bios.xml"],
hashes_corrected=["psx/scph5501.bin md5"], requirements_corrected=1,
changes=[
change("hash_corrected", "md5", "5626" + "0" * 28, "c523" + "1" * 28),
change("requirement_corrected", "required", True, False),
change("hash_filled", "sha1", None, "f" * 40),
],
)
self.page = generate_exports_page([self.report], {})
def test_a_corrected_hash_shows_both_values(self):
self.assertIn(
f" - `psx/scph5501.bin` md5 `5626{'0' * 28}` becomes `c523{'1' * 28}`",
self.page,
)
def test_a_requirement_names_the_entry_and_its_value(self):
self.assertIn('??? note "Required flags aligned with the code (1)"', self.page)
self.assertIn(" - `psx/scph5501.bin` becomes optional", self.page)
def test_a_filled_hash_shows_its_value(self):
self.assertIn(f" - `psx/scph5501.bin` sha1 `{'f' * 40}` added", self.page)
def test_no_arrow_glyph(self):
for glyph in (chr(0x2192), "->", "=>"):
self.assertNotIn(glyph, self.page)
def test_the_report_carries_every_change(self):
source = (ROOT / "scripts" / "export_native.py").read_text(encoding="utf-8")
body = source[source.index("def export_platform("):source.index("def write_report(")]
self.assertIn('"changes": changes.records,', body)
class RemovalCandidatesNeedAReadingNoCoreAnswers(unittest.TestCase):
"""An entry the truth does not pair can still be read: by an alias, by its
content, under a directory a core walks. Of 2776 such entries, 1189
were read that way. Only what no core answers is listed, and nothing is
removed."""
PROFILES = {
"corea": {
"type": "libretro",
"systems": ["sys-one"],
"files": [
{"name": "main.rom", "aliases": ["Alt.ROM"]},
{"name": "other.bin", "md5": "0123456789abcdef0123456789abcdef"},
{"name": "rtp/2000/", "path": "rtp/2000/", "type": "directory"},
{"name": "set.zip", "category": "bios_zip"},
],
},
}
def _scraped(self, names: list[dict], cores: list[str]) -> dict:
return {
"_key": "fake",
"cores": cores,
"systems": {"sys-one": {"files": names}},
}
def _candidates(self, files: list[dict], cores: list[str] | None = None) -> list[dict]:
from exporter.baseline import build_native_model
from exporter.candidates import removal_candidates
scraped = self._scraped(files, cores or ["corea"])
systems, _ = build_native_model({"systems": {}}, scraped)
found = removal_candidates(systems, scraped, self.PROFILES)
kept = [f.name for s in systems.values() for f in s.files]
self.assertEqual(kept, [f["name"] for f in files])
return found
def test_an_alias_is_a_reading(self):
self.assertEqual(self._candidates([{"name": "alt.rom"}]), [])
def test_a_hash_is_a_reading(self):
found = self._candidates([
{"name": "renamed.bin", "md5": "0123456789ABCDEF0123456789ABCDEF"},
])
self.assertEqual(found, [])
def test_a_directory_entry_covers_its_members(self):
found = self._candidates([
{"name": "x.png", "destination": "easyrpg/rtp/2000/x.png"},
])
self.assertEqual(found, [])
def test_an_entry_nothing_answers_is_a_candidate(self):
found = self._candidates([{"name": "nobody.rom"}])
self.assertEqual(len(found), 1)
self.assertEqual(found[0]["verdict"], "candidate")
self.assertEqual(found[0]["cores_examined"], ["corea"])
self.assertEqual(found[0]["unresolved_cores"], [])
def test_an_unprofiled_core_leaves_it_undetermined(self):
found = self._candidates([{"name": "nobody.rom"}], ["corea", "mystery-sa"])
self.assertEqual(found[0]["verdict"], "undetermined")
self.assertEqual(found[0]["unresolved_cores"], ["mystery-sa"])
def test_a_romset_under_a_romset_core_is_undetermined(self):
found = self._candidates([{"name": "device.zip"}])
self.assertEqual(found[0]["verdict"], "undetermined")
self.assertIn("corea", found[0]["reason"])
def test_unresolved_names_skip_the_all_libretro_markers(self):
from common import unresolved_platform_cores
config = {"cores": ["retroarch", "all_libretro", "corea", "nope"]}
self.assertEqual(unresolved_platform_cores(config, self.PROFILES), {"nope"})
self.assertEqual(unresolved_platform_cores({"cores": "all_libretro"}, {}), set())
def test_the_page_gives_the_count_and_each_entry(self):
report = _report("retroarch", ["System.dat"], removal_candidates=[
{"system": "Enterprise", "name": "zt18hfnt.rom",
"destination": "zt18hfnt.rom", "verdict": "candidate",
"reason": "no core the platform runs opens it",
"cores_examined": [], "unresolved_cores": []},
])
page = generate_exports_page([report], {})
self.assertIn("1 entry of the original is not named, by name, path or hash", page)
self.assertIn("- `Enterprise` `zt18hfnt.rom`", page)
self.assertNotIn("no entry the platform declares is removed", page)
def test_the_report_carries_the_list(self):
source = (ROOT / "scripts" / "export_native.py").read_text(encoding="utf-8")
body = source[source.index("def export_platform("):source.index("def write_report(")]
self.assertIn('"removal_candidates": candidates,', body)
if __name__ == "__main__":
unittest.main()