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browser.spec.js
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browser.spec.js
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'use strict'
describe('Browser', () => {
let collection
let emitter
let socket
const e = require('../../lib/events')
const Browser = require('../../lib/browser')
const Collection = require('../../lib/browser_collection')
const createMockTimer = require('./mocks/timer')
let browser = collection = emitter = socket = null
let socketId = 0
const mkSocket = () => {
const s = new e.EventEmitter()
socketId = socketId + 1
s.id = socketId
return s
}
beforeEach(() => {
socket = mkSocket()
emitter = new e.EventEmitter()
collection = new Collection(emitter)
})
it('should set fullName and name', () => {
const fullName = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.7 ' + '(KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7'
browser = new Browser('id', fullName, collection, emitter, socket)
expect(browser.name).to.equal('Chrome 16.0.912 (Mac OS X 10.6.8)')
expect(browser.fullName).to.equal(fullName)
})
it('should serialize to JSON', () => {
const fullName = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.7 ' + '(KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7'
browser = new Browser('id', fullName, collection, emitter, socket)
emitter.browser = browser
const json = JSON.stringify(browser)
expect(json).to.contain(fullName)
})
describe('init', () => {
it('should emit "browser_register"', () => {
const spyRegister = sinon.spy()
emitter.on('browser_register', spyRegister)
browser = new Browser(12345, '', collection, emitter, socket)
browser.init()
expect(spyRegister).to.have.been.called
expect(spyRegister.args[0][0]).to.equal(browser)
})
it('should ad itself into the collection', () => {
browser = new Browser(12345, '', collection, emitter, socket)
browser.init()
expect(collection.length).to.equal(1)
collection.forEach((browserInCollection) => {
expect(browserInCollection).to.equal(browser)
})
})
})
describe('toString', () => {
it('should return browser name', () => {
const fullName = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_6_8) AppleWebKit/535.7 ' + '(KHTML, like Gecko) Chrome/16.0.912.63 Safari/535.7'
browser = new Browser('id', fullName, collection, emitter, socket)
expect(browser.toString()).to.equal('Chrome 16.0.912 (Mac OS X 10.6.8)')
})
it('should return verbatim user agent string for unrecognized browser', () => {
const fullName = 'NonexistentBot/1.2.3'
browser = new Browser('id', fullName, collection, emitter, socket)
expect(browser.toString()).to.equal('NonexistentBot/1.2.3')
})
})
describe('onKarmaError', () => {
beforeEach(() => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
})
it('should set lastResult.error and fire "browser_error"', () => {
const spy = sinon.spy()
emitter.on('browser_error', spy)
browser.state = Browser.STATE_EXECUTING
browser.onKarmaError()
expect(browser.lastResult.error).to.equal(true)
expect(spy).to.have.been.called
})
it('should not set lastResult if browser not executing', () => {
browser.state = Browser.STATE_CONNECTED
browser.onKarmaError()
expect(browser.lastResult.error).to.equal(false)
})
})
describe('onInfo', () => {
beforeEach(() => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
})
it('should emit "browser_log"', () => {
const spy = sinon.spy()
emitter.on('browser_log', spy)
browser.state = Browser.STATE_EXECUTING
browser.onInfo({log: 'something', type: 'info'})
expect(spy).to.have.been.calledWith(browser, 'something', 'info')
})
it('should emit "browser_info"', () => {
const spy = sinon.spy()
const infoData = {}
emitter.on('browser_info', spy)
browser.state = Browser.STATE_EXECUTING
browser.onInfo(infoData)
expect(spy).to.have.been.calledWith(browser, infoData)
})
it('should ignore if browser not executing', () => {
const spy = sinon.spy()
emitter.on('browser_dump', spy)
browser.state = Browser.STATE_CONNECTED
browser.onInfo({dump: 'something'})
browser.onInfo({total: 20})
expect(browser.lastResult.total).to.equal(0)
expect(spy).not.to.have.been.called
})
})
describe('onStart', () => {
beforeEach(() => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
})
it('should change state to EXECUTING', () => {
browser.state = Browser.STATE_CONNECTED
browser.onStart({total: 20})
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
})
it('should set total count of specs', () => {
browser.onStart({total: 20})
expect(browser.lastResult.total).to.equal(20)
})
it('should emit "browser_start"', () => {
const spy = sinon.spy()
emitter.on('browser_start', spy)
browser.onStart({total: 20})
expect(spy).to.have.been.calledWith(browser, {total: 20})
})
})
describe('onComplete', () => {
beforeEach(() => {
sinon.stub(Date, 'now')
Date.now.returns(12345)
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
})
afterEach(() => {
Date.now.restore()
})
it('should set isConnected to true', () => {
browser.state = Browser.STATE_EXECUTING
browser.onComplete()
expect(browser.isConnected()).to.equal(true)
})
it('should fire "browsers_change" event', () => {
const spy = sinon.spy()
emitter.on('browsers_change', spy)
browser.state = Browser.STATE_EXECUTING
browser.onComplete()
expect(spy).to.have.been.calledWith(collection)
})
it('should ignore if browser not executing', () => {
const spy = sinon.spy()
emitter.on('browsers_change', spy)
emitter.on('browser_complete', spy)
browser.state = Browser.STATE_CONNECTED
browser.onComplete()
expect(spy).not.to.have.been.called
})
it('should set totalTime', () => {
Date.now.returns(12347) // the default spy return 12345
browser.state = Browser.STATE_EXECUTING
browser.onComplete()
expect(browser.lastResult.totalTime).to.equal(2)
})
it('should error the result if zero tests executed', () => {
browser.state = Browser.STATE_EXECUTING
browser.onComplete()
expect(browser.lastResult.error).to.equal(true)
})
})
describe('onDisconnect', () => {
let timer = null
beforeEach(() => {
timer = createMockTimer()
browser = new Browser('fake-id', 'full name', collection, emitter, socket, timer, 10)
browser.init()
})
it('should remove from parent collection', () => {
expect(collection.length).to.equal(1)
browser.onDisconnect('socket.io-reason', socket)
expect(collection.length).to.equal(0)
})
it('should complete if browser executing', () => {
const spy = sinon.spy()
emitter.on('browser_complete', spy)
browser.state = Browser.STATE_EXECUTING
browser.onDisconnect('socket.io-reason', socket)
timer.wind(20)
expect(browser.lastResult.disconnected).to.equal(true)
expect(spy).to.have.been.called
})
it('should not complete if browser not executing', () => {
const spy = sinon.spy()
emitter.on('browser_complete', spy)
browser.state = Browser.STATE_CONNECTED
browser.onDisconnect('socket.io-reason', socket)
expect(spy).not.to.have.been.called
})
})
describe('reconnect', () => {
it('should cancel disconnecting', () => {
const timer = createMockTimer()
browser = new Browser('id', 'Chrome 19.0', collection, emitter, socket, timer, 10)
browser.init()
browser.state = Browser.STATE_EXECUTING
browser.onDisconnect('socket.io-reason', socket)
browser.reconnect(mkSocket())
timer.wind(10)
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
})
it('should ignore disconnects on old sockets, but accept other messages', () => {
// IE on polling sometimes reconnect on another socket (before disconnecting)
browser = new Browser('id', 'Chrome 19.0', collection, emitter, socket, null, 0)
browser.init()
browser.state = Browser.STATE_EXECUTING
browser.reconnect(mkSocket())
// still accept results on the old socket
socket.emit('result', {success: true})
expect(browser.lastResult.success).to.equal(1)
socket.emit('karma_error', {})
expect(browser.lastResult.error).to.equal(true)
// should be ignored, keep executing
socket.emit('disconnect', 'socket.io reason')
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
})
it('should reconnect a disconnected browser', () => {
browser = new Browser('id', 'Chrome 25.0', collection, emitter, socket, null, 10)
browser.state = Browser.STATE_DISCONNECTED
browser.reconnect(mkSocket())
expect(browser.isConnected()).to.equal(true)
})
it('should not add a disconnected browser to the collection multiple times', () => {
browser = new Browser('id', 'Chrome 25.0', collection, emitter, socket, null, 10)
browser.init()
expect(collection.length).to.equal(1)
browser.state = Browser.STATE_DISCONNECTED
browser.reconnect(mkSocket())
expect(collection.length).to.equal(1)
})
})
describe('onResult', () => {
const createSuccessResult = () => {
return {success: true, suite: [], log: []}
}
const createFailedResult = () => {
return {success: false, suite: [], log: []}
}
const createSkippedResult = () => {
return {success: true, skipped: true, suite: [], log: []}
}
beforeEach(() => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
})
it('should update lastResults', () => {
browser.state = Browser.STATE_EXECUTING
browser.onResult(createSuccessResult())
browser.onResult(createSuccessResult())
browser.onResult(createFailedResult())
browser.onResult(createSkippedResult())
expect(browser.lastResult.success).to.equal(2)
expect(browser.lastResult.failed).to.equal(1)
expect(browser.lastResult.skipped).to.equal(1)
})
it('should ignore if not running', () => {
browser.state = Browser.STATE_CONNECTED
browser.onResult(createSuccessResult())
browser.onResult(createSuccessResult())
browser.onResult(createFailedResult())
expect(browser.lastResult.success).to.equal(0)
expect(browser.lastResult.failed).to.equal(0)
})
it('should update netTime', () => {
browser.state = Browser.STATE_EXECUTING
browser.onResult({time: 3, suite: [], log: []})
browser.onResult({time: 1, suite: [], log: []})
browser.onResult({time: 5, suite: [], log: []})
expect(browser.lastResult.netTime).to.equal(9)
})
it('should accept array of results', () => {
browser.state = Browser.STATE_EXECUTING
browser.onResult([
createSuccessResult(), createSuccessResult(),
createFailedResult(), createSkippedResult()
])
expect(browser.lastResult.success).to.equal(2)
expect(browser.lastResult.failed).to.equal(1)
expect(browser.lastResult.skipped).to.equal(1)
})
})
describe('serialize', () => {
it('should return plain object with only name, id, isConnected properties', () => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
browser.state = Browser.STATE_CONNECTED
browser.name = 'Browser 1.0'
browser.id = '12345'
expect(browser.serialize()).to.deep.equal({id: '12345', name: 'Browser 1.0', isConnected: true})
})
})
describe('execute and start', () => {
it('should emit execute and change state to CONFIGURING', () => {
const spyExecute = sinon.spy()
const config = {}
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
socket.on('execute', spyExecute)
browser.execute(config)
expect(browser.state).to.equal(Browser.STATE_CONFIGURING)
expect(spyExecute).to.have.been.calledWith(config)
})
it('should emit start and change state to EXECUTING', () => {
browser = new Browser('fake-id', 'full name', collection, emitter, socket)
browser.init() // init socket listeners
expect(browser.state).to.equal(Browser.STATE_CONNECTED)
socket.emit('start', {total: 1})
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
})
})
describe('scenario:', () => {
it('reconnecting during the run', () => {
const timer = createMockTimer()
browser = new Browser('fake-id', 'full name', collection, emitter, socket, timer, 10)
browser.init()
browser.state = Browser.STATE_EXECUTING
socket.emit('result', {success: true, suite: [], log: []})
socket.emit('disconnect', 'socket.io reason')
expect(browser.isConnected()).to.equal(false)
const newSocket = mkSocket()
browser.reconnect(newSocket)
expect(browser.isConnected()).to.equal(false)
newSocket.emit('result', {success: false, suite: [], log: []})
newSocket.emit('complete')
expect(browser.isConnected()).to.equal(true)
expect(browser.lastResult.success).to.equal(1)
expect(browser.lastResult.failed).to.equal(1)
})
it('disconecting during the run', () => {
const spy = sinon.spy()
emitter.on('browser_complete', spy)
const timer = createMockTimer()
browser = new Browser('fake-id', 'full name', collection, emitter, socket, timer, 10)
browser.init()
browser.state = Browser.STATE_EXECUTING
socket.emit('result', {success: true, suite: [], log: []})
socket.emit('disconnect', 'socket.io reason')
const spyBrowserError = sinon.spy()
emitter.on('browser_error', spyBrowserError)
timer.wind(10)
expect(browser.lastResult.disconnected).to.equal(true)
expect(spy).to.have.been.calledWith(browser)
expect(spyBrowserError).to.have.been.called
})
it('restarting a disconnected browser', () => {
const timer = createMockTimer()
browser = new Browser('fake-id', 'Chrome 31.0', collection, emitter, socket, timer, 10)
browser.init()
expect(browser.state).to.equal(Browser.STATE_CONNECTED)
browser.execute()
socket.emit('start', {total: 10})
socket.emit('result', {success: true, suite: [], log: []})
socket.emit('result', {success: false, suite: [], log: []})
socket.emit('result', {skipped: true, suite: [], log: []})
socket.emit('disconnect', 'socket.io reason')
timer.wind(10) // wait-for reconnecting delay
expect(browser.state).to.equal(Browser.STATE_DISCONNECTED)
expect(browser.disconnectsCount).to.equal(1)
const newSocket = mkSocket()
emitter.on('browser_register', () => browser.execute())
// reconnect on a new socket (which triggers re-execution)
browser.reconnect(newSocket)
expect(browser.state).to.equal(Browser.STATE_CONFIGURING)
newSocket.emit('start', {total: 11})
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
socket.emit('result', {success: true, suite: [], log: []})
// expected cleared last result (should not include the results from previous run)
expect(browser.lastResult.total).to.equal(11)
expect(browser.lastResult.success).to.equal(1)
expect(browser.lastResult.failed).to.equal(0)
expect(browser.lastResult.skipped).to.equal(0)
})
it('keeping multiple active sockets', () => {
// If there is a new connection (socket) for an already connected browser,
// we need to keep the old socket, in the case that the new socket will disconnect.
browser = new Browser('fake-id', 'Chrome 31.0', collection, emitter, socket, null, 10)
browser.init()
expect(browser.state).to.equal(Browser.STATE_CONNECTED)
browser.execute()
// A second connection...
const newSocket = mkSocket()
browser.reconnect(newSocket)
// Disconnect the second connection...
browser.onDisconnect('socket.io-reason', newSocket)
expect(browser.state).to.equal(Browser.STATE_CONFIGURING)
socket.emit('start', {total: 1})
expect(browser.state).to.equal(Browser.STATE_EXECUTING)
// It should still be listening on the old socket.
socket.emit('result', {success: true, suite: [], log: []})
expect(browser.lastResult.success).to.equal(1)
})
it('complete only once after reconnect on the same socket', () => {
// If there is a new connection on the same socket,
// we should emit complete message only once.
browser = new Browser('fake-id', 'Chrome 31.0', collection, emitter, socket, null, 10)
browser.onComplete = sinon.spy()
browser.init()
browser.execute()
// A second connection...
browser.reconnect(socket)
socket.emit('result', {success: true, suite: [], log: []})
socket.emit('complete')
expect(browser.onComplete.callCount).to.equal(1)
})
it('disconnect when no message during the run', () => {
const timer = createMockTimer()
browser = new Browser('fake-id', 'Chrome 31.0', collection, emitter, socket, timer, 10, 20)
browser.init()
browser.execute()
const spyBrowserComplete = sinon.spy()
emitter.on('browser_complete', spyBrowserComplete)
socket.emit('start', {total: 11})
socket.emit('result', {success: true, suite: [], log: []})
timer.wind(20)
expect(browser.state).to.equal(Browser.STATE_DISCONNECTED)
expect(browser.disconnectsCount).to.equal(1)
expect(spyBrowserComplete).to.have.been.called
})
})
})