Merge branch 'add-travis-ci' into develop

.testem.json

@@ -1,6 +1,18 @@
 {
-  "test_page": "test/browser/page/index.html",
+  "framework": "mocha",
+  "src_files": [
+    "test/index.js"
+  ],
+  "before_tests": "browserify test/browser/index.js -t babelify -o test/bundle.js",
+  "serve_files": [
+    "test/bundle.js"
+  ],
+  "after_tests": "rm test/bundle.js",
+  "launch_in_ci": [
+    "firefox"
+  ],
   "launch_in_dev": [
-    "Chrome"
-  ]
+    "chrome"
+  ],
+  "ignore_missing_launchers": true
 }

.travis.yml

@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "4.1"
+before_script:
+  - "export DISPLAY=:99.0"
+  - "sh -e /etc/init.d/xvfb start"
+  - sleep 3 # give xvfb some time to start
+script: npm run test-ci

package.json

@@ -19,6 +19,7 @@
     "posttest-browser": "rm test/browser/page/tests-bundle.js",
     "test-browser": "testem",
     "test": "npm run eslint && npm run test-browser",
+    "test-ci": "testem ci",
     "start": "npm install && npm prune && validate-commit-msg",
     "precompile": "rm -rf lib/ && mkdir -p lib",
     "compile": "babel -d lib/ src/",