Build: include browser tests in travis-ci (#74)

.travis.yml

@@ -1,25 +1,31 @@
 language: node_js
-node_js:
-  - '0.10'
-  - '0.12'
-  - 'iojs'
-  - '4'
-  - '5'
-  - '6'
-
 addons:
   apt:
     sources:
-      - ubuntu-toolchain-r-test
+    - ubuntu-toolchain-r-test
     packages:
-      - g++-4.8
+    - g++-4.8
+node_js:
+- '0.10'
+- '0.12'
+- iojs
+- '4'
+- '5'
+- '6'
 env:
   matrix:
+  - CXX=g++-4.8 TASKS=test:nodejs
+matrix:
+  include:
+  - node_js: 6
     env:
-      - TASKS=test:nodejs 
-      - EXTRAS=""
-  global:
-    - CXX=g++-4.8
-
+    - CXX=g++-4.8 TASKS=travis:browser
+    addons:
+      firefox: latest
+      sauce_connect: true
+before_script:
+- "export DISPLAY=:99.0"
+- "sh -e /etc/init.d/xvfb start"
+- sleep 5 # give xvfb some time to start
 script:
-  - ./node_modules/.bin/gulp $TASKS $EXTRAS
+- ./node_modules/.bin/gulp $TASKS

gulpfile.js

@@ -28,6 +28,7 @@ var ARGV = require("yargs").
 var webpack = require("webpack-stream"),
     clone = require("lodash.clone"),
     gulp = require("gulp"),
+    gutil = require("gulp-util"),
     karma = require("karma"),
     merge = require("lodash.merge"),
     mocha = require("gulp-mocha"),
@@ -168,7 +169,10 @@ var KARMA_CONFIG = {
           loader: "json"
         }
       ]
-    }
+    },
+  },
+  webpackMiddleware: {
+    noInfo: true
   },
   reporters: ["mocha"],
   customLaunchers: {
@@ -293,6 +297,32 @@ gulp.task("test:browser", function(cb) {
               cb);
 });
 
+// ## TRAVIS-CI TASKS ###
+gulp.task("travis:browser", function(cb) {
+  if ("true" !== process.env.TRAVIS) {
+    gutil.log("travis-ci environment not detected");
+    cb();
+    return;
+  }
+
+  gutil.log("pull request: ", process.env.TRAVIS_PULL_REQUEST);
+  gutil.log("job number:   ", process.env.TRAVIS_JOB_NUMBER);
+  if (process.env.SAUCE_USERNAME &&
+      process.env.SAUCE_ACCESS_KEY &&
+      "false" === process.env.TRAVIS_PULL_REQUEST) {
+    ARGV.sauce = true;
+    merge(KARMA_CONFIG.sauceLabs, {
+      startConnect: false,
+      tunnelIdentifier: process.env.TRAVIS_JOB_NUMBER || null
+    });
+  } else {
+    ARGV.sauce = false;
+    ARGV.browsers="Firefox";
+  }
+
+  runSequence("test:browser", cb);
+});
+
 // ### MAIN TASKS ###
 gulp.task("test", function(cb) {
   runSequence("test:lint",

package.json

@@ -54,6 +54,7 @@
     "gulp-mocha": "^2.0.0",
     "gulp-rename": "^1.2.0",
     "gulp-uglify": "^1.1.0",
+    "gulp-util": "^3.0.7",
     "istanbul": "^0.4.0",
     "jose-cookbook": "git+https://github.com/ietf-jose/cookbook.git",
     "json-loader": "^0.5.4",