tegwick
c103cbf3c8
Assistant: codex Assistant-Model: gpt-6.1-sol Assistant-Session: 01a1468b-63fa-7710-85dc-8f2e16b3ebfa
60 lines
3.5 KiB
Python
60 lines
3.5 KiB
Python
"""Real disposable Git proof; does not import owner app or test conftest."""
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import ast
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from pathlib import Path
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import subprocess
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import sys
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import pytest
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SOURCE=Path(__file__).resolve().parents[1]/'scripts/consistency_check.py'
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def actual_writeback():
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tree=ast.parse(SOURCE.read_text());nodes=[]
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for node in tree.body:
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if isinstance(node,ast.FunctionDef) and node.name in {'_git_identity_config','_git_commit_writeback'}:
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node.returns=None
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for arg in node.args.args+node.args.kwonlyargs:arg.annotation=None
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nodes.append(node)
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env=dict(subprocess=subprocess,sys=sys,Path=Path)
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exec(compile(ast.Module(body=nodes,type_ignores=[]),str(SOURCE),'exec'),env)
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return env['_git_commit_writeback']
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def git(root,*args):return subprocess.check_output(['git','-C',str(root),*args]).decode().strip()
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@pytest.fixture
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def repo(tmp_path):
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root=tmp_path/'owner';root.mkdir();git(root,'init','-b','main');git(root,'config','user.name','Synthetic Test');git(root,'config','user.email','synthetic@example.invalid');git(root,'config','core.hooksPath','.git/hooks')
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for name in ['writeback.md','.custodian-brief.md','evidence.json']:(root/name).write_text('original\n')
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git(root,'add','.');git(root,'commit','-m','baseline')
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(root/'.custodian-brief.md').write_text('staged unrelated\n');git(root,'add','.custodian-brief.md');(root/'.custodian-brief.md').write_text('working unrelated\n')
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(root/'evidence.json').write_text('dirty evidence\n')
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return root
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def test_writeback_commits_only_target_preserves_unrelated_stage_and_worktree(repo):
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before_index=git(repo,'ls-files','--stage','.custodian-brief.md','evidence.json');before_head=git(repo,'rev-parse','HEAD')
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target=repo/'writeback.md';target.write_text('new status\n')
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assert actual_writeback()(str(repo),target,['synthetic status'])
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assert git(repo,'rev-parse','HEAD')!=before_head
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assert git(repo,'diff-tree','--no-commit-id','--name-only','-r','HEAD')=='writeback.md'
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assert git(repo,'show','HEAD:.custodian-brief.md')=='original'
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assert git(repo,'show',':.custodian-brief.md')=='staged unrelated'
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assert git(repo,'ls-files','--stage','.custodian-brief.md','evidence.json')==before_index
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assert (repo/'.custodian-brief.md').read_text()=='working unrelated\n'
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assert (repo/'evidence.json').read_text()=='dirty evidence\n'
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def test_noop_never_commits_unrelated_staged_change(repo):
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head=git(repo,'rev-parse','HEAD');index=git(repo,'ls-files','--stage')
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assert not actual_writeback()(str(repo),repo/'writeback.md',['no change'])
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assert git(repo,'rev-parse','HEAD')==head and git(repo,'ls-files','--stage')==index
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@pytest.mark.parametrize('name',['new writeback.md','-leading-dash.md'])
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def test_new_target_and_argument_boundary(repo,name):
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target=repo/name;target.write_text('new file\n')
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assert actual_writeback()(str(repo),target,['new synthetic target'])
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assert git(repo,'diff-tree','--no-commit-id','--name-only','-r','HEAD')==name
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assert git(repo,'show',':.custodian-brief.md')=='staged unrelated'
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def test_normal_hook_refusal_preserves_unrelated_state(repo):
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hook=repo/'.git/hooks/pre-commit';hook.write_text('#!/bin/sh\nexit 1\n');hook.chmod(0o755)
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head=git(repo,'rev-parse','HEAD');index=git(repo,'ls-files','--stage','.custodian-brief.md','evidence.json')
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target=repo/'writeback.md';target.write_text('new status\n')
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assert not actual_writeback()(str(repo),target,['refused synthetic change'])
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assert git(repo,'rev-parse','HEAD')==head
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assert git(repo,'ls-files','--stage','.custodian-brief.md','evidence.json')==index
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assert git(repo,'show',':.custodian-brief.md')=='staged unrelated'
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