update travis config (#174)

.nvmrc

@@ -0,0 +1 @@
+lts/*

.travis.yml

@@ -4,25 +4,21 @@ language: node_js
 node_js:
   - 'node'
   - 'lts/argon'
+cache:
+  directories:
+    - node_modules
 before_script:
-  # check if the current version is equal to the version for the env
-  - 'export IS_INSTALLED="$(npm list video.js | grep "video.js@$VJS")"'
-  # we have to add semi colons to the end of each line in the if
-  # as travis runs this all on one line
-  - 'if [ -z "$IS_INSTALLED" ]; then
-      echo "INSTALLING video.js@>=$VJS.0.0-RC.0 <$(($VJS+1)).0.0";
-      npm i "video.js@>=$VJS.0.0-RC.0 <\$(($VJS+1)).0.0";
-    else
-      echo "video.js@$VJS ALREADY INSTALLED";
-    fi'
-  - export CHROME_BIN=/usr/bin/google-chrome
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
+  # always install the appropriate version of video.js for the environment
+  - npm i "video.js@$VJS";
+  # pulseaudio is needed for dockerized chrome since it has a dummy sink and
+  # the dummy audio ALSA kernel module isn't loaded by Travis
+  # libavcodec54 is needed by firefox for h.264 support
+  - sudo apt-get install --no-install-recommends pulseaudio libavcodec54
+  - pulseaudio -D
 env:
-  - VJS=5
-  - VJS=6
+  matrix:
+    - VJS=5
+    - VJS=6
 addons:
-  # TODO: This should be using latest for firefox. It is currently turned off because
-  #       of https://github.com/travis-ci/travis-ci/issues/8242 When this issue is
-  #       resolved, this should be updated back to latest
   chrome: stable
+  firefox: latest

package.json

@@ -93,14 +93,14 @@
     "doctoc": "^0.15.0",
     "glob": "^6.0.3",
     "jsdoc": "^3.4.0",
-    "karma": "^0.13.0",
+    "karma": "^2.0.0",
     "karma-browserify": "^4.4.0",
     "karma-chrome-launcher": "^2.2.0",
     "karma-detect-browsers": "^2.0.0",
-    "karma-firefox-launcher": "^0.1.0",
-    "karma-ie-launcher": "^0.2.0",
+    "karma-firefox-launcher": "^1.1.0",
+    "karma-ie-launcher": "^1.0.0",
     "karma-qunit": "^0.1.0",
-    "karma-safari-launcher": "^0.1.0",
+    "karma-safari-launcher": "^1.0.0",
     "lodash-compat": "^3.10.0",
     "minimist": "^1.2.0",
     "nodemon": "^1.9.1",

test/karma.conf.js

@@ -1,30 +1,22 @@
 module.exports = function(config) {
   var detectBrowsers = {
-    enabled: false,
     usePhantomJS: false,
-    postDetection: function(availableBrowsers) {
-      var safariIndex = availableBrowsers.indexOf('Safari');
 
-      if(safariIndex !== -1) {
-        availableBrowsers.splice(safariIndex, 1);
-        console.log("Disabled Safari as it was/is not supported");
+    // detect what browsers are installed on the system and
+    // use headless mode and flags to allow for playback
+    postDetection: function(browsers) {
+      var newBrowsers = [];
+      if (browsers.indexOf('Chrome') !== -1) {
+        newBrowsers.push('ChromeHeadlessWithFlags');
       }
-      return availableBrowsers;
-    }
-  };
 
-  // TODO: This should include firefox. It is currently turned off because
-  //       of https://github.com/travis-ci/travis-ci/issues/8242 When this issue is
-  //       resolved, this should be updated to include firefox
-  if (process.env.TRAVIS) {
-    config.browsers = ['ChromeHeadless'];
-  }
+      if (browsers.indexOf('Firefox') !== -1) {
+        newBrowsers.push('FirefoxHeadless');
+      }
 
-  // If no browsers are specified, we enable `karma-detect-browsers`
-  // this will detect all browsers that are available for testing
-  if (!config.browsers.length) {
-    detectBrowsers.enabled = true;
-  }
+      return newBrowsers;
+    }
+  };
 
   config.set({
     basePath: '..',
@@ -46,13 +38,27 @@ module.exports = function(config) {
     preprocessors: {
       'test/**/*.js': ['browserify']
     },
+    customLaunchers: {
+      ChromeHeadlessWithFlags: {
+        base: 'ChromeHeadless',
+        flags: [
+          '--mute-audio',
+          '--no-sandbox',
+          '--no-user-gesture-required'
+        ]
+      }
+    },
     detectBrowsers: detectBrowsers,
     reporters: ['dots'],
     port: 9876,
     colors: true,
     autoWatch: false,
     singleRun: true,
-    concurrency: Infinity,
+    concurrency: 1,
+    captureTimeout: 300000,
+    browserNoActivityTimeout: 300000,
+    browserDisconnectTimeout: 300000,
+    browserDisconnectTolerance: 3,
     browserify: {
       debug: true,
       transform: [