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122 lines
3.0 KiB
122 lines
3.0 KiB
'use strict'
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const { test } = require('tap')
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const { fork } = require('child_process')
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const { join } = require('path')
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const { readFile } = require('fs').promises
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const { file } = require('./helper')
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const { once } = require('events')
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const ThreadStream = require('..')
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test('exits with 0', async function (t) {
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const dest = file()
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const child = fork(join(__dirname, 'create-and-exit.js'), [dest])
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const [code] = await once(child, 'exit')
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t.equal(code, 0)
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const data = await readFile(dest, 'utf8')
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t.equal(data, 'hello world\n')
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})
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test('emit error if thread exits', async function (t) {
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const stream = new ThreadStream({
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filename: join(__dirname, 'exit.js'),
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sync: true
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})
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stream.on('ready', () => {
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stream.write('hello world\n')
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})
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let [err] = await once(stream, 'error')
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t.equal(err.message, 'the worker thread exited')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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})
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test('emit error if thread have unhandledRejection', async function (t) {
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const stream = new ThreadStream({
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filename: join(__dirname, 'unhandledRejection.js'),
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sync: true
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})
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stream.on('ready', () => {
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stream.write('hello world\n')
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})
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let [err] = await once(stream, 'error')
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t.equal(err.message, 'kaboom')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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})
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test('emit error if worker stream emit error', async function (t) {
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const stream = new ThreadStream({
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filename: join(__dirname, 'error.js'),
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sync: true
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})
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stream.on('ready', () => {
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stream.write('hello world\n')
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})
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let [err] = await once(stream, 'error')
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t.equal(err.message, 'kaboom')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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})
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test('emit error if thread have uncaughtException', async function (t) {
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const stream = new ThreadStream({
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filename: join(__dirname, 'uncaughtException.js'),
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sync: true
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})
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stream.on('ready', () => {
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stream.write('hello world\n')
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})
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let [err] = await once(stream, 'error')
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t.equal(err.message, 'kaboom')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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stream.write('noop');
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[err] = await once(stream, 'error')
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t.equal(err.message, 'the worker has exited')
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})
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test('close the work if out of scope on gc', { skip: !global.WeakRef }, async function (t) {
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const dest = file()
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const child = fork(join(__dirname, 'close-on-gc.js'), [dest], {
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execArgv: ['--expose-gc']
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})
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const [code] = await once(child, 'exit')
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t.equal(code, 0)
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const data = await readFile(dest, 'utf8')
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t.equal(data, 'hello world\n')
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})
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