101 lines
2.5 KiB
JavaScript
101 lines
2.5 KiB
JavaScript
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/* eslint handle-callback-err:0, no-magic-numbers:0, no-unused-vars:0 */
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'use strict'
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// Import
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const events = require('events')
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const equal = require('assert-helpers').equal
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const joe = require('joe')
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const domain = require('./')
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// =====================================
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// Tests
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joe.describe('domain-browser', function (describe, it) {
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it('should work on throws', function (done) {
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const d = domain.create()
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d.on('error', function (err) {
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equal(err && err.message, 'a thrown error', 'error message')
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done()
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})
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d.run(function () {
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throw new Error('a thrown error')
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})
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})
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it('should be able to add emitters', function (done) {
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const d = domain.create()
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const emitter = new events.EventEmitter()
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d.add(emitter)
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d.on('error', function (err) {
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equal(err && err.message, 'an emitted error', 'error message')
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done()
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})
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emitter.emit('error', new Error('an emitted error'))
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})
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it('should be able to remove emitters', function (done) {
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const emitter = new events.EventEmitter()
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const d = domain.create()
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let domainGotError = false
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d.add(emitter)
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d.on('error', function (err) {
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domainGotError = true
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})
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emitter.on('error', function (err) {
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equal(err && err.message, 'This error should not go to the domain', 'error message')
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// Make sure nothing race condition-y is happening
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setTimeout(function () {
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equal(domainGotError, false, 'no domain error')
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done()
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}, 0)
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})
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d.remove(emitter)
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emitter.emit('error', new Error('This error should not go to the domain'))
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})
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it('bind should work', function (done) {
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const d = domain.create()
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d.on('error', function (err) {
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equal(err && err.message, 'a thrown error', 'error message')
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done()
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})
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d.bind(function (err, a, b) {
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equal(err && err.message, 'a passed error', 'error message')
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equal(a, 2, 'value of a')
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equal(b, 3, 'value of b')
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throw new Error('a thrown error')
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})(new Error('a passed error'), 2, 3)
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})
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it('intercept should work', function (done) {
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const d = domain.create()
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let count = 0
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d.on('error', function (err) {
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if ( count === 0 ) {
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equal(err && err.message, 'a thrown error', 'error message')
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}
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else if ( count === 1 ) {
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equal(err && err.message, 'a passed error', 'error message')
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done()
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}
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count++
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})
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d.intercept(function (a, b) {
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equal(a, 2, 'value of a')
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equal(b, 3, 'value of b')
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throw new Error('a thrown error')
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})(null, 2, 3)
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d.intercept(function (a, b) {
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throw new Error('should never reach here')
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})(new Error('a passed error'), 2, 3)
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})
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})
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