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test: add process-state isolation helper for reliability (#331)

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This commit is contained in:
Tom Boucher
2026-05-26 11:23:35 -04:00
committed by GitHub
parent 0a43185510
commit 656bff8b73
3 changed files with 100 additions and 29 deletions
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56
tests/bug-3441-path-action-projection.test.cjs
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@@ -17,6 +17,7 @@ const projection = require(path.join(
'shell-command-projection.cjs',
));
const install = require(path.join(__dirname, '..', 'bin', 'install.js'));
const { withIsolatedProcessState } = require('./helpers.cjs');
function createTempHome() {
return fs.mkdtempSync(path.join(os.tmpdir(), 'gsd-home-3441-'));
@@ -88,38 +89,37 @@ describe('bug #3441: PATH guidance is projected from typed shell action IR', ()
test('maybeSuggestPathExport renders commands projected by path-action seam', () => {
const home = createTempHome();
const originalPath = process.env.PATH;
try {
const globalBin = path.join(home, '.npm-global', 'bin');
fs.mkdirSync(globalBin, { recursive: true });
fs.writeFileSync(path.join(home, '.zshrc'), 'export PATH="$HOME/.cargo/bin:$PATH"\n');
process.env.PATH = '';
withIsolatedProcessState(() => {
const globalBin = path.join(home, '.npm-global', 'bin');
fs.mkdirSync(globalBin, { recursive: true });
fs.writeFileSync(path.join(home, '.zshrc'), 'export PATH="$HOME/.cargo/bin:$PATH"\n');
process.env.PATH = '';
const expected = projection.projectPathActionProjection({
mode: 'persist',
targetDir: globalBin,
platform: process.platform,
const expected = projection.projectPathActionProjection({
mode: 'persist',
targetDir: globalBin,
platform: process.platform,
});
const logs = [];
const originalLog = console.log;
console.log = (...args) => logs.push(args.join(' '));
try {
install.maybeSuggestPathExport(globalBin, home);
} finally {
console.log = originalLog;
}
const joined = logs.join('\n');
for (const action of expected.shellActions) {
assert.ok(
joined.includes(action.command),
`expected installer output to include projected command: ${action.command}\nOutput:\n${joined}`,
);
}
});
const logs = [];
const originalLog = console.log;
console.log = (...args) => logs.push(args.join(' '));
try {
install.maybeSuggestPathExport(globalBin, home);
} finally {
console.log = originalLog;
}
const joined = logs.join('\n');
for (const action of expected.shellActions) {
assert.ok(
joined.includes(action.command),
`expected installer output to include projected command: ${action.command}\nOutput:\n${joined}`,
);
}
} finally {
if (originalPath == null) delete process.env.PATH;
else process.env.PATH = originalPath;
cleanup(home);
}
});