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child_process: restore exec{File}Sync error props #16060

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child_process: restore exec{File}Sync error props #16060

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child_process: restore exec{File}Sync error props
targos Oct 7, 2017
59b23e7
assert key values
targos Oct 21, 2017
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3 changes: 1 addition & 2 deletions lib/child_process.js
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Original file line number Diff line number Diff line change
Expand Up @@ -574,8 +574,7 @@ function checkExecSyncError(ret, args, cmd) {
err = new Error(msg);
}
if (err) {
err.status = ret.status < 0 ? errname(ret.status) : ret.status;
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Is this logic being lost by moving to Object.assign()?

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@targos targos Oct 21, 2017 •
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Yes but I don't think this logic should be there. It was also added in #13601.
The documentation says: "The Error object will contain the entire result from child_process.spawnSync()". If we want to translate the status, it should be done in spawnSync and execSync will inherit it.

err.signal = ret.signal;
Object.assign(err, ret);
}
return err;
}
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17 changes: 16 additions & 1 deletion test/sequential/test-child-process-execsync.js
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Expand Up @@ -23,7 +23,7 @@
const common = require('../common');
const assert = require('assert');

const { execFileSync, execSync } = require('child_process');
const { execFileSync, execSync, spawnSync } = require('child_process');

const TIMER = 200;
const SLEEP = 2000;
Expand Down Expand Up @@ -112,6 +112,16 @@ assert.strictEqual(ret, `${msg}\n`);
// Verify the execFileSync() behavior when the child exits with a non-zero code.
{
const args = ['-e', 'process.exit(1)'];
const spawnSyncResult = spawnSync(process.execPath, args);
const spawnSyncKeys = Object.keys(spawnSyncResult).sort();
assert.deepStrictEqual(spawnSyncKeys, [
'output',
'pid',
'signal',
'status',
'stderr',
'stdout'
]);

assert.throws(() => {
execFileSync(process.execPath, args);
Expand All @@ -121,6 +131,11 @@ assert.strictEqual(ret, `${msg}\n`);
assert(err instanceof Error);
assert.strictEqual(err.message, msg);
assert.strictEqual(err.status, 1);
assert.strictEqual(typeof err.pid, 'number');
spawnSyncKeys.forEach((key) => {
if (key === 'pid') return;
assert.deepStrictEqual(err[key], spawnSyncResult[key]);
});
return true;
});
}