nodejs/test/parallel/test-child-process-spawnsyn...

126 lines
3.5 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
const common = require('../common');
const assert = require('assert');
const spawnSync = require('child_process').spawnSync;
const msgOut = 'this is stdout';
const msgErr = 'this is stderr';
// This is actually not os.EOL?
const msgOutBuf = Buffer.from(`${msgOut}\n`);
const msgErrBuf = Buffer.from(`${msgErr}\n`);
const args = [
'-e',
`console.log("${msgOut}"); console.error("${msgErr}");`
];
let ret;
function checkSpawnSyncRet(ret) {
assert.strictEqual(ret.status, 0);
assert.strictEqual(ret.error, undefined);
}
function verifyBufOutput(ret) {
checkSpawnSyncRet(ret);
assert.deepStrictEqual(ret.stdout, msgOutBuf);
assert.deepStrictEqual(ret.stderr, msgErrBuf);
}
if (process.argv.includes('spawnchild')) {
switch (process.argv[3]) {
case '1':
ret = spawnSync(process.execPath, args, { stdio: 'inherit' });
checkSpawnSyncRet(ret);
break;
case '2':
ret = spawnSync(process.execPath, args, {
stdio: ['inherit', 'inherit', 'inherit']
});
checkSpawnSyncRet(ret);
break;
}
process.exit(0);
return;
}
verifyBufOutput(spawnSync(process.execPath, [__filename, 'spawnchild', 1]));
verifyBufOutput(spawnSync(process.execPath, [__filename, 'spawnchild', 2]));
let options = {
input: 1234
};
assert.throws(
() => spawnSync('cat', [], options),
{ code: 'ERR_INVALID_ARG_TYPE', name: 'TypeError' });
options = {
input: 'hello world'
};
ret = spawnSync('cat', [], options);
checkSpawnSyncRet(ret);
assert.strictEqual(ret.stdout.toString('utf8'), options.input);
assert.strictEqual(ret.stderr.toString('utf8'), '');
options = {
input: Buffer.from('hello world')
};
ret = spawnSync('cat', [], options);
checkSpawnSyncRet(ret);
assert.deepStrictEqual(ret.stdout, options.input);
assert.deepStrictEqual(ret.stderr, Buffer.from(''));
// common.getArrayBufferViews expects a buffer
// with length an multiple of 8
const msgBuf = Buffer.from('hello world'.repeat(8));
for (const arrayBufferView of common.getArrayBufferViews(msgBuf)) {
options = {
input: arrayBufferView
};
ret = spawnSync('cat', [], options);
checkSpawnSyncRet(ret);
assert.deepStrictEqual(ret.stdout, msgBuf);
assert.deepStrictEqual(ret.stderr, Buffer.from(''));
}
verifyBufOutput(spawnSync(process.execPath, args));
ret = spawnSync(process.execPath, args, { encoding: 'utf8' });
checkSpawnSyncRet(ret);
assert.strictEqual(ret.stdout, `${msgOut}\n`);
assert.strictEqual(ret.stderr, `${msgErr}\n`);