use headless chrome

Author: tiagoschenkel

.travis.yml

@@ -1,3 +1,6 @@
+dist: trusty
+addons:
+  chrome: stable
 language: node_js
 node_js:
   - stable
@@ -14,7 +17,7 @@ before_install:
 before_script:
   - greenkeeper-lockfile-update
 script:
-  - yarn test
+  - node_modules/karma/bin/karma start karma.conf.js --single-run
 after_script:
   - greenkeeper-lockfile-upload
 after_success:

karma.conf.js

@@ -1,5 +1,8 @@
+const puppeteer = require("puppeteer");
+
 process.env.TEST = true;
 process.env.NODE_ENV = "test";
+process.env.CHROME_BIN = puppeteer.executablePath();
 
 const webpackConfig = require("./webpack.config.js")({ production: false, karma: true });
 
@@ -66,11 +69,11 @@ module.exports = config => {
   };
 
   if (process.env.TRAVIS) {
-    configuration.browsers.push("PhantomJS");
-    configuration.plugins.push("karma-phantomjs-launcher");
+    configuration.browsers.push("ChromeHeadless");
+    configuration.plugins.push("karma-chrome-launcher");
   } else {
-    configuration.browsers.push("PhantomJS");
-    configuration.plugins.push("karma-phantomjs-launcher");
+    configuration.browsers.push("ChromeHeadless");
+    configuration.plugins.push("karma-chrome-launcher");
   }
 
   config.set(configuration);

package.json

@@ -80,7 +80,6 @@
     "karma-es6-shim": "^1.0.0",
     "karma-mocha": "^1.3.0",
     "karma-mocha-reporter": "^2.2.5",
-    "karma-phantomjs-launcher": "^1.0.4",
     "karma-remap-istanbul": "^0.6.0",
     "karma-sinon": "^1.0.5",
     "karma-sinon-chai": "^2.0.2",
@@ -91,6 +90,7 @@
     "open-browser-webpack-plugin": "^0.0.5",
     "prettier": "^1.15.2",
     "publish-please": "^5.3.0",
+    "puppeteer": "^1.10.0",
     "reflect-metadata": "^0.1.12",
     "remap-istanbul": "^0.12.0",
     "rimraf": "^2.6.2",