mirror of https://gitee.com/openkylin/nodejs.git
156 lines
3.6 KiB
JavaScript
156 lines
3.6 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cp = require('child_process');
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function runChecks(err, stdio, streamName, expected) {
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assert.strictEqual(err.message, `${streamName} maxBuffer length exceeded`);
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assert(err instanceof RangeError);
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assert.strictEqual(err.code, 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER');
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assert.deepStrictEqual(stdio[streamName], expected);
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}
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// default value
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{
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const cmd =
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`"${process.execPath}" -e "console.log('a'.repeat(1024 * 1024))"`;
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cp.exec(cmd, common.mustCall((err) => {
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assert(err instanceof RangeError);
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assert.strictEqual(err.message, 'stdout maxBuffer length exceeded');
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assert.strictEqual(err.code, 'ERR_CHILD_PROCESS_STDIO_MAXBUFFER');
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}));
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}
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// default value
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{
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const cmd =
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`${process.execPath} -e "console.log('a'.repeat(1024 * 1024 - 1))"`;
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cp.exec(cmd, common.mustCall((err, stdout, stderr) => {
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assert.ifError(err);
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assert.strictEqual(stdout.trim(), 'a'.repeat(1024 * 1024 - 1));
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assert.strictEqual(stderr, '');
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}));
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}
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{
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const cmd = `"${process.execPath}" -e "console.log('hello world');"`;
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const options = { maxBuffer: Infinity };
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cp.exec(cmd, options, common.mustCall((err, stdout, stderr) => {
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assert.ifError(err);
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assert.strictEqual(stdout.trim(), 'hello world');
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assert.strictEqual(stderr, '');
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}));
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}
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{
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const cmd = 'echo hello world';
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cp.exec(
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cmd,
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{ maxBuffer: 5 },
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common.mustCall((err, stdout, stderr) => {
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runChecks(err, { stdout, stderr }, 'stdout', 'hello');
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})
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);
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}
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// default value
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{
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const cmd =
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`"${process.execPath}" -e "console.log('a'.repeat(1024 * 1024))"`;
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cp.exec(
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cmd,
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common.mustCall((err, stdout, stderr) => {
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runChecks(
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err,
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{ stdout, stderr },
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'stdout',
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'a'.repeat(1024 * 1024)
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);
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})
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);
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}
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// default value
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{
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const cmd =
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`"${process.execPath}" -e "console.log('a'.repeat(1024 * 1024 - 1))"`;
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cp.exec(cmd, common.mustCall((err, stdout, stderr) => {
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assert.ifError(err);
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assert.strictEqual(stdout.trim(), 'a'.repeat(1024 * 1024 - 1));
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assert.strictEqual(stderr, '');
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}));
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}
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const unicode = '中文测试'; // length = 4, byte length = 12
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{
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const cmd = `"${process.execPath}" -e "console.log('${unicode}');"`;
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cp.exec(
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cmd,
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{ maxBuffer: 10 },
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common.mustCall((err, stdout, stderr) => {
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runChecks(err, { stdout, stderr }, 'stdout', '中文测试\n');
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})
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);
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}
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{
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const cmd = `"${process.execPath}" -e "console.error('${unicode}');"`;
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cp.exec(
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cmd,
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{ maxBuffer: 3 },
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common.mustCall((err, stdout, stderr) => {
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runChecks(err, { stdout, stderr }, 'stderr', '中文测');
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})
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);
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}
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{
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const cmd = `"${process.execPath}" -e "console.log('${unicode}');"`;
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const child = cp.exec(
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cmd,
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{ encoding: null, maxBuffer: 10 },
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common.mustCall((err, stdout, stderr) => {
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runChecks(err, { stdout, stderr }, 'stdout', '中文测试\n');
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})
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);
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child.stdout.setEncoding('utf-8');
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}
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{
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const cmd = `"${process.execPath}" -e "console.error('${unicode}');"`;
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const child = cp.exec(
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cmd,
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{ encoding: null, maxBuffer: 3 },
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common.mustCall((err, stdout, stderr) => {
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runChecks(err, { stdout, stderr }, 'stderr', '中文测');
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})
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);
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child.stderr.setEncoding('utf-8');
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}
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{
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const cmd = `"${process.execPath}" -e "console.error('${unicode}');"`;
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cp.exec(
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cmd,
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{ encoding: null, maxBuffer: 5 },
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common.mustCall((err, stdout, stderr) => {
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const buf = Buffer.from(unicode).slice(0, 5);
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runChecks(err, { stdout, stderr }, 'stderr', buf);
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})
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);
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}
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