chore(travis): let's give BrowserStack a try

Switch the build to use BrowserStack instead of SauceLabs.

This also adds IE11 to our build.

Author: vojtajina

.travis.yml

@@ -7,11 +7,13 @@ env:
     - SAUCE_USERNAME=angular-ci
     - SAUCE_ACCESS_KEY=9b988f434ff8-fbca-8aa4-4ae3-35442987
     - SAUCE_CONNECT_READY_FILE=/tmp/sauce-connect-ready
+    - BROWSER_STACK_USERNAME=VojtaJina
+    - BROWSER_STACK_ACCESS_KEY=HAfHZaypxAc3PEUrUU9a
     - LOGS_DIR=/tmp/angular-build/logs
 
 before_script:
   - mkdir -p $LOGS_DIR
-  - ./lib/sauce/sauce_connect_setup.sh
+  - ./lib/browser-stack/start-tunnel.sh
   - npm install -g grunt-cli
   - grunt bower
   - grunt bower

karma-shared.conf.js

@@ -15,6 +15,11 @@ module.exports = function(config, specificOptions) {
       tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER
     },
 
+    // BrowserStack config for Travis CI
+    browserStack: {
+      startTunnel: false
+    },
+
     // For more browsers on Sauce Labs see:
     // https://saucelabs.com/docs/platforms/webdriver
     customLaunchers: {
@@ -49,16 +54,59 @@ module.exports = function(config, specificOptions) {
         browserName: 'internet explorer',
         platform: 'Windows 2012',
         version: '10'
+      },
+
+      'BS_Chrome': {
+        base: 'BrowserStack',
+        browser: 'chrome',
+        os: 'OS X',
+        os_version: 'Mountain Lion'
+      },
+      'BS_Safari': {
+        base: 'BrowserStack',
+        browser: 'safari',
+        os: 'OS X',
+        os_version: 'Mountain Lion'
+      },
+      'BS_Firefox': {
+        base: 'BrowserStack',
+        browser: 'firefox',
+        os: 'Windows',
+        os_version: '8'
+      },
+      'BS_IE_8': {
+        base: 'BrowserStack',
+        browser: 'ie',
+        browser_version: '8.0',
+        os: 'Windows',
+        os_version: '7'
+      },
+      'BS_IE_9': {
+        base: 'BrowserStack',
+        browser: 'ie',
+        browser_version: '9.0',
+        os: 'Windows',
+        os_version: '7'
+      },
+      'BS_IE_10': {
+        base: 'BrowserStack',
+        browser: 'ie',
+        browser_version: '10.0',
+        os: 'Windows',
+        os_version: '8'
+      },
+      'BS_IE_11': {
+        base: 'BrowserStack',
+        browser: 'ie',
+        browser_version: '11.0',
+        os: 'Windows',
+        os_version: '8.1'
       }
     }
   });
 
 
   if (process.env.TRAVIS) {
-    // TODO(vojta): remove once SauceLabs supports websockets.
-    // This speeds up the capturing a bit, as browsers don't even try to use websocket.
-    config.transports = ['xhr-polling'];
-
     // Debug logging into a file, that we print out at the end of the build.
     config.loggers.push({
       type: 'file',

lib/browser-stack/start-tunnel.js

@@ -0,0 +1,47 @@
+var fs = require('fs');
+var http = require('http');
+var BrowserStackTunnel = require('browserstacktunnel-wrapper');
+
+var HOSTNAME = 'localhost';
+var PORTS = [9090, 9876];
+var ACCESS_KEY = process.env.BROWSER_STACK_ACCESS_KEY;
+var READY_FILE = process.env.SAUCE_CONNECT_READY_FILE;
+
+// We need to start fake servers, otherwise the tunnel does not start.
+var fakeServers = [];
+var hosts = [];
+
+PORTS.forEach(function(port) {
+  fakeServers.push(http.createServer(function() {}).listen(port));
+  hosts.push({
+    name: HOSTNAME,
+    port: port,
+    sslFlag: 0
+  });
+});
+
+var tunnel = new BrowserStackTunnel({
+  key: ACCESS_KEY,
+  hosts: hosts
+});
+
+
+tunnel.start(function(error) {
+  console.log('** callback **')
+  if (error) {
+    console.error('Can not establish the tunnel', error);
+  } else {
+    console.log('Tunnel established.');
+    fakeServers.forEach(function(server) {
+      server.close();
+    });
+
+    if (READY_FILE) {
+      fs.writeFile(READY_FILE, '');
+    }
+  }
+});
+
+tunnel.on('error', function(error) {
+  console.error(error);
+});

lib/browser-stack/start-tunnel.sh

@@ -0,0 +1 @@
+node ./lib/browser-stack/start-tunnel.js &

package.json

@@ -37,7 +37,9 @@
     "promises-aplus-tests": "~1.3.2",
     "grunt-shell": "~0.4.0",
     "semver": "~2.1.0",
-    "lodash": "~2.1.0"
+    "lodash": "~2.1.0",
+    "karma-browserstack-launcher": "~0.0.4",
+    "browserstacktunnel-wrapper": "~1.1.1"
   },
   "licenses": [
     {

travis_build.sh

@@ -5,5 +5,5 @@ set -e
 export SAUCE_ACCESS_KEY=`echo $SAUCE_ACCESS_KEY | rev`
 
 grunt parallel:travis --reporters dots \
-  --browsers SL_Chrome,SL_Safari,SL_Firefox,SL_IE_8,SL_IE_9,SL_IE_10 \
-  --e2e-browsers SL_Chrome
+  --browsers BS_Chrome,BS_Safari,BS_Firefox,BS_IE_8,BS_IE_9,BS_IE_10,BS_IE_11 \
+  --e2e-browsers BS_Chrome