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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/test/parallel/test-child-process-exec-encoding.js |
'use strict';
const common = require('../common');
const stdoutData = 'foo';
const stderrData = 'bar';
if (process.argv[2] === 'child') {
// The following console calls are part of the test.
console.log(stdoutData);
console.error(stderrData);
} else {
const assert = require('assert');
const cp = require('child_process');
const expectedStdout = `${stdoutData}\n`;
const expectedStderr = `${stderrData}\n`;
function run(options, callback) {
const cmd = `"${process.execPath}" "${__filename}" child`;
cp.exec(cmd, options, common.mustSucceed((stdout, stderr) => {
callback(stdout, stderr);
}));
}
// Test default encoding, which should be utf8.
run({}, (stdout, stderr) => {
assert.strictEqual(typeof stdout, 'string');
assert.strictEqual(typeof stderr, 'string');
assert.strictEqual(stdout, expectedStdout);
assert.strictEqual(stderr, expectedStderr);
});
// Test explicit utf8 encoding.
run({ encoding: 'utf8' }, (stdout, stderr) => {
assert.strictEqual(typeof stdout, 'string');
assert.strictEqual(typeof stderr, 'string');
assert.strictEqual(stdout, expectedStdout);
assert.strictEqual(stderr, expectedStderr);
});
// Test cases that result in buffer encodings.
[undefined, null, 'buffer', 'invalid'].forEach((encoding) => {
run({ encoding }, (stdout, stderr) => {
assert(stdout instanceof Buffer);
assert(stdout instanceof Buffer);
assert.strictEqual(stdout.toString(), expectedStdout);
assert.strictEqual(stderr.toString(), expectedStderr);
});
});
}
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