/
node-spec.ts
290 lines (257 loc) · 9.55 KB
/
node-spec.ts
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import { expect } from 'chai';
import * as childProcess from 'child_process';
import * as path from 'path';
import * as util from 'util';
import { emittedOnce } from './events-helpers';
import { ifdescribe, ifit } from './spec-helpers';
import { webContents, WebContents } from 'electron';
const features = process.electronBinding('features');
describe('node feature', () => {
const fixtures = path.join(__dirname, '..', 'spec', 'fixtures');
describe('child_process', () => {
describe('child_process.fork', () => {
it('works in browser process', (done) => {
const child = childProcess.fork(path.join(fixtures, 'module', 'ping.js'));
child.on('message', (msg) => {
expect(msg).to.equal('message');
done();
});
child.send('message');
});
});
});
describe('contexts', () => {
describe('setTimeout called under Chromium event loop in browser process', () => {
it('can be scheduled in time', (done) => {
setTimeout(done, 0);
});
it('can be promisified', (done) => {
util.promisify(setTimeout)(0).then(done);
});
});
describe('setInterval called under Chromium event loop in browser process', () => {
it('can be scheduled in time', (done) => {
let interval: any = null;
let clearing = false;
const clear = () => {
if (interval === null || clearing) return;
// interval might trigger while clearing (remote is slow sometimes)
clearing = true;
clearInterval(interval);
clearing = false;
interval = null;
done();
};
interval = setInterval(clear, 10);
});
});
});
describe('NODE_OPTIONS', () => {
let child: childProcess.ChildProcessWithoutNullStreams;
let exitPromise: Promise<any[]>;
afterEach(async () => {
if (child && exitPromise) {
const [code, signal] = await exitPromise;
expect(signal).to.equal(null);
expect(code).to.equal(0);
} else if (child) {
child.kill();
}
});
it('fails for options disallowed by Node.js itself', (done) => {
const env = Object.assign({}, process.env, { NODE_OPTIONS: '--v8-options' });
child = childProcess.spawn(process.execPath, { env });
function cleanup () {
child.stderr.removeListener('data', listener);
child.stdout.removeListener('data', listener);
}
let output = '';
function listener (data: Buffer) {
output += data;
if (/electron: --v8-options is not allowed in NODE_OPTIONS/m.test(output)) {
cleanup();
done();
}
}
child.stderr.on('data', listener);
child.stdout.on('data', listener);
});
it('disallows crypto-related options', (done) => {
const env = Object.assign({}, process.env, { NODE_OPTIONS: '--use-openssl-ca' });
child = childProcess.spawn(process.execPath, ['--enable-logging'], { env });
function cleanup () {
child.stderr.removeListener('data', listener);
child.stdout.removeListener('data', listener);
}
let output = '';
function listener (data: Buffer) {
output += data;
if (/The NODE_OPTION --use-openssl-ca is not supported in Electron/m.test(output)) {
cleanup();
done();
}
}
child.stderr.on('data', listener);
child.stdout.on('data', listener);
});
});
ifdescribe(features.isRunAsNodeEnabled())('inspector', () => {
let child: childProcess.ChildProcessWithoutNullStreams;
let exitPromise: Promise<any[]>;
afterEach(async () => {
if (child && exitPromise) {
const [code, signal] = await exitPromise;
expect(signal).to.equal(null);
expect(code).to.equal(0);
} else if (child) {
child.kill();
}
});
it('supports starting the v8 inspector with --inspect/--inspect-brk', (done) => {
child = childProcess.spawn(process.execPath, ['--inspect-brk', path.join(fixtures, 'module', 'run-as-node.js')], {
env: {
ELECTRON_RUN_AS_NODE: 'true'
}
});
let output = '';
function cleanup () {
child.stderr.removeListener('data', errorDataListener);
child.stdout.removeListener('data', outDataHandler);
}
function errorDataListener (data: Buffer) {
output += data;
if (/^Debugger listening on ws:/m.test(output)) {
cleanup();
done();
}
}
function outDataHandler (data: Buffer) {
cleanup();
done(new Error(`Unexpected output: ${data.toString()}`));
}
child.stderr.on('data', errorDataListener);
child.stdout.on('data', outDataHandler);
});
it('supports starting the v8 inspector with --inspect and a provided port', (done) => {
child = childProcess.spawn(process.execPath, ['--inspect=17364', path.join(fixtures, 'module', 'run-as-node.js')], {
env: {
ELECTRON_RUN_AS_NODE: 'true'
}
});
exitPromise = emittedOnce(child, 'exit');
let output = '';
function cleanup () {
child.stderr.removeListener('data', errorDataListener);
child.stdout.removeListener('data', outDataHandler);
}
function errorDataListener (data: Buffer) {
output += data;
if (/^Debugger listening on ws:/m.test(output)) {
expect(output.trim()).to.contain(':17364', 'should be listening on port 17364');
cleanup();
done();
}
}
function outDataHandler (data: Buffer) {
cleanup();
done(new Error(`Unexpected output: ${data.toString()}`));
}
child.stderr.on('data', errorDataListener);
child.stdout.on('data', outDataHandler);
});
it('does not start the v8 inspector when --inspect is after a -- argument', (done) => {
child = childProcess.spawn(process.execPath, [path.join(fixtures, 'module', 'noop.js'), '--', '--inspect']);
exitPromise = emittedOnce(child, 'exit');
let output = '';
function dataListener (data: Buffer) {
output += data;
}
child.stderr.on('data', dataListener);
child.stdout.on('data', dataListener);
child.on('exit', () => {
if (output.trim().startsWith('Debugger listening on ws://')) {
done(new Error('Inspector was started when it should not have been'));
} else {
done();
}
});
});
// IPC Electron child process not supported on Windows
ifit(process.platform !== 'win32')('does does not crash when quitting with the inspector connected', function (done) {
child = childProcess.spawn(process.execPath, [path.join(fixtures, 'module', 'delay-exit'), '--inspect=0'], {
stdio: ['ipc']
}) as childProcess.ChildProcessWithoutNullStreams;
exitPromise = emittedOnce(child, 'exit');
let output = '';
function dataListener (data: Buffer) {
output += data;
if (output.trim().indexOf('Debugger listening on ws://') > -1 && output.indexOf('\n') > -1) {
const socketMatch = output.trim().match(/(ws:\/\/.+:[0-9]+\/.+?)\n/gm);
if (socketMatch && socketMatch[0]) {
child.stderr.removeListener('data', dataListener);
child.stdout.removeListener('data', dataListener);
const w = (webContents as any).create({}) as WebContents;
w.loadURL('about:blank')
.then(() => w.executeJavaScript(`new Promise(resolve => {
const connection = new WebSocket(${JSON.stringify(socketMatch[0])})
connection.onopen = () => {
resolve()
connection.close()
}
})`))
.then(() => {
(w as any).destroy();
child.send('plz-quit');
done();
});
}
}
}
child.stderr.on('data', dataListener);
child.stdout.on('data', dataListener);
});
it('supports js binding', (done) => {
child = childProcess.spawn(process.execPath, ['--inspect', path.join(fixtures, 'module', 'inspector-binding.js')], {
env: {
ELECTRON_RUN_AS_NODE: 'true'
},
stdio: ['ipc']
}) as childProcess.ChildProcessWithoutNullStreams;
exitPromise = emittedOnce(child, 'exit');
child.on('message', ({ cmd, debuggerEnabled, success }) => {
if (cmd === 'assert') {
expect(debuggerEnabled).to.be.true();
expect(success).to.be.true();
done();
}
});
});
});
it('can find a module using a package.json main field', () => {
const result = childProcess.spawnSync(process.execPath, [path.resolve(fixtures, 'api', 'electron-main-module', 'app.asar')]);
expect(result.status).to.equal(0);
});
ifit(features.isRunAsNodeEnabled())('handles Promise timeouts correctly', (done) => {
const scriptPath = path.join(fixtures, 'module', 'node-promise-timer.js');
const child = childProcess.spawn(process.execPath, [scriptPath], {
env: { ELECTRON_RUN_AS_NODE: 'true' }
});
emittedOnce(child, 'exit').then(([code, signal]) => {
expect(code).to.equal(0);
expect(signal).to.equal(null);
child.kill();
done();
});
});
it('performs microtask checkpoint correctly', (done) => {
const f3 = async () => {
return new Promise((resolve, reject) => {
reject(new Error('oops'));
});
};
process.once('unhandledRejection', () => done('catch block is delayed to next tick'));
setTimeout(() => {
f3().catch(() => done());
});
});
});