Ludovic Marie
9edcbc2559
Oracles reference shared helper oracles (heightmap, level shape...) that javac could not find when only the entry files were listed. Also let chunkgen_bench list unsupported features (HORIZON_LIST_UNSUPPORTED=1). Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
63 lines
5.0 KiB
Python
63 lines
5.0 KiB
Python
#!/usr/bin/env python3
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"""Compare pinned chunk-status ordering, metadata, lookup and NBT codecs."""
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import argparse
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import json
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import os
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from pathlib import Path
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import platform
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import random
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import subprocess
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try:
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from . import lab, test_rust_parity as base
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except ImportError:
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import lab, test_rust_parity as base
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def corpus():
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names=['empty','structure_starts','structure_references','biomes','terrain','features','initialize_light','light','spawn','full']
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for name in names:
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for prefix in ['',':','minecraft:','horizon:']:
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yield ['string',prefix+name]
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for name in ['',':','minecraft:','EMPTY','minecraft:Full','minecraft:noise','minecraft:surface','minecraft:carvers','full ', ' full', 'minecraft::full', 'minecraft/full','FULL','horizon:full','\u0000','\U0001f30d']:
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yield ['string',name]
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rng=random.Random(0x535441545553)
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alphabet='abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_:/. -\t\n'
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for _ in range(2000):yield ['string',''.join(rng.choices(alphabet,k=rng.randrange(1,40)))]
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for value in [-2147483648,-1,0,1,9,10,2147483647]:yield ['int',value]
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yield ['list',None];yield ['compound',None]
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def main():
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parser=argparse.ArgumentParser(description=__doc__);parser.add_argument('--prepare',action='store_true');args=parser.parse_args()
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build=lab.LOCAL/'rust-chunk-status-parity';build.mkdir(parents=True,exist_ok=True)
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report_path=build/'report.json';report_path.unlink(missing_ok=True)
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if args.prepare:lab.prepare()
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lock,jars,libraries=base.verify_artifacts()
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oracle=lab.ROOT/'mods/horizon/src/test/java/dev/horizonlab/parity/VanillaChunkStatusOracle.java'
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sources=[oracle,Path(__file__),lab.ROOT/'tools/test_rust_parity.py',lab.ROOT/'tools/lab.py',lab.ROOT/'Cargo.toml',lab.ROOT/'Cargo.lock',lab.ROOT/'crates/horizon-core/Cargo.toml',lab.ROOT/'crates/horizon-world/Cargo.toml',*sorted((lab.ROOT/'crates/horizon-core/src').rglob('*.rs')),*sorted((lab.ROOT/'crates/horizon-world/src').rglob('*.rs')),lab.ROOT/'crates/horizon-world/examples/chunk_status_fixture.rs']
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tested_sources=base.source_hashes(sources)
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commands=list(corpus());inputs=build/'inputs.txt';inputs.write_text('\n'.join(json.dumps(command) for command in commands)+'\n')
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tested_fixtures=base.source_hashes([inputs]);classes=build/'classes';classes.mkdir(exist_ok=True)
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def run(command,name):
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with (build/(name+'.log')).open('w') as log:subprocess.run(list(map(str,command)),cwd=lab.ROOT,check=True,timeout=3600,stdout=log,stderr=subprocess.STDOUT)
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dependencies=os.pathsep.join(map(str,libraries))
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run(['javac','--release',lock['minecraft']['java_major'],'-proc:none','-sourcepath',str(lab.ROOT/'mods/horizon/src/test/java'),'-cp',str(jars['server'])+os.pathsep+dependencies,'-d',classes,oracle],'compile-java')
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run(['cargo','build','--release','-p','horizon-world','--example','chunk_status_fixture'],'compile-rust')
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metadata=json.loads(subprocess.check_output(['cargo','metadata','--no-deps','--format-version','1'],cwd=lab.ROOT,text=True))
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binary=Path(metadata['target_directory'])/'release/examples'/('chunk_status_fixture.exe' if os.name=='nt' else 'chunk_status_fixture')
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run([binary,inputs,build/'rust.txt'],'rust')
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references=[]
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for side,jar in jars.items():
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run(['java','-Xmx512M','-cp',os.pathsep.join([str(classes),str(jar),dependencies]),'dev.horizonlab.parity.VanillaChunkStatusOracle',inputs,build/(side+'.txt')],side)
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matched=base.compare(build/(side+'.txt'),build/'rust.txt')
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references.append({'side':side,'jar_sha256':lab.digest(jar,'sha256'),'output_sha256':lab.digest(build/(side+'.txt'),'sha256'),'matched_output_lines':matched})
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print(f'{side}: {matched:,} chunk-status lines match Rust',flush=True)
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base.ensure_sources_unchanged(sources,tested_sources);base.ensure_sources_unchanged([inputs],tested_fixtures)
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report={'schema':1,'minecraft':lock['minecraft']['version'],'manifest_sha1':lock['minecraft']['manifest_sha1'],'platform':platform.platform(),
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'java':subprocess.check_output(['java','--version'],text=True).splitlines()[0],'rustc':subprocess.check_output(['rustc','--version'],text=True).strip(),
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'statuses':10,'ordered_pairs':100,'codec_cases':len(commands),'sources_sha256':tested_sources,'fixtures_sha256':tested_fixtures,'rust_output_sha256':lab.digest(build/'rust.txt','sha256'),'references':references,
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'scope':'Actual pinned ChunkStatus status list, ordering and maximum for all pairs, parent identity, chunk kind, selected heightmaps, direct byName fallback and NBT codec acceptance/encoding. All registered names cover qualified, unqualified and empty-namespace forms; unknown, legacy, malformed, random and nonstring inputs are checked. Codec error text is normalized rather than compared. Rust pre-light chunk metadata uses these same status definitions; this does not execute generation steps, implement lighting, or establish full chunk lifecycle parity.'}
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lab.write_json(report_path,report);print(f'Scoped chunk-status parity passed: {report_path}')
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if __name__=='__main__':main()
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