ember-cli-ajh/node_modules/testem/lib/ci/browser_test_runner.js

Command line tool for developing ambitious ember.js apps

var EventEmitter = require('events').EventEmitter
var BrowserTapConsumer = require('../browser_tap_consumer')
var log = require('npmlog')

function BrowserTestRunner(launcher, reporter){
  this.launcher = launcher
  this.reporter = reporter
  this.finished = false
}
BrowserTestRunner.prototype = {
  start: function(onFinish){
    this.onFinish = onFinish
    var launcher = this.launcher
    this.launcher.on('processExit', this.onProcessExit.bind(this))
    launcher.start()
  },
  tryAttach: function(browser, id, socket){
    var self = this
    if (id == this.launcher.id){
      var runner = {
        browserName: browser,
        reporter: this.reporter,
        logs: []
      }
      socket.on('test-result', this.onTestResult.bind(runner))
      socket.on('log', function(){
        for (var i = 0, l = arguments.length; i < l; i++) {
          var message = arguments[i];

          runner.logs.push(message);
        }
      }.bind(this))

      socket.once('all-test-results', this.onAllTestResults.bind(this))
      var config = this.launcher.config
      if (config.get('bail_on_uncaught_error')){
        socket.on('top-level-error', function(msg, url, line){
          self.reporter.report(browser, {
            passed: false,
            name: 'Global error: ' + msg + ' at ' + url + ', line ' + line + '\n',
            logs: [],
            error: {}
          })
        })
      }
      var tap = new BrowserTapConsumer(socket)
      tap.on('test-result', this.onTestResult.bind(runner))
      tap.on('all-test-results', this.onAllTestResults.bind(this))
    }
  },
  browserMatches: function(browser){
    return -1 !== browser.toLowerCase().indexOf(this.launcher.name.toLowerCase())
  },
  onTestResult: function(result){
    var errItems = (result.items || [])
      .filter(function(item){
        return !item.passed
      })
    this.reporter.report(this.browserName, {
      passed: !result.failed,
      name: result.name,
      runDuration: result.runDuration,
      logs: this.logs,
      error: errItems[0]
    })
    this.logs = []
  },
  onAllTestResults: function(results){
    var self = this
    log.info('Browser ' + self.launcher.name + ' finished all tests.')
    this.launcher.kill(null, function(){
      self.finish()
    })
  },
  onProcessExit: function(code){
    var self = this

    setTimeout(function(){
      if (self.finished) return
      var result = {
        passed: false,
        name: "Browser " + self.launcher.commandLine() + ' exited unexpectedly.'
      }
      self.reporter.report(self.launcher.name, result)
      self.finish()
    }, 1000)
  },
  finish: function(){
    this.finished = true
    if (this.onFinish){
      this.onFinish()
    }
  }
}

module.exports = BrowserTestRunner