build: simplify karma configuration (#2823)

Author: devversion

test/browser-providers.js

@@ -0,0 +1,65 @@
+'use strict';
+
+/*
+ * Browser Configuration for the different jobs in the CI.
+ * Target can be either: BS (Browserstack) | SL (Saucelabs) | null (To not run at all)
+ */
+const browserConfig = {
+  'Chrome':       { unitTest: {target: 'SL', required: true  }},
+  'Firefox':      { unitTest: {target: 'SL', required: true  }},
+  'ChromeBeta':   { unitTest: {target: 'SL', required: false }},
+  'FirefoxBeta':  { unitTest: {target: null, required: false }},
+  'ChromeDev':    { unitTest: {target: null, required: true  }},
+  'FirefoxDev':   { unitTest: {target: null, required: true  }},
+  'IE9':          { unitTest: {target: null, required: false }},
+  'IE10':         { unitTest: {target: null, required: true  }},
+  'IE11':         { unitTest: {target: 'SL', required: true  }},
+  'Edge':         { unitTest: {target: 'SL', required: true  }},
+  'Android4.1':   { unitTest: {target: null, required: false }},
+  'Android4.2':   { unitTest: {target: null, required: false }},
+  'Android4.3':   { unitTest: {target: null, required: false }},
+  'Android4.4':   { unitTest: {target: 'SL', required: false }},
+  'Android5':     { unitTest: {target: 'SL', required: false }},
+  'Safari7':      { unitTest: {target: null, required: false }},
+  'Safari8':      { unitTest: {target: 'BS', required: false }},
+  'Safari9':      { unitTest: {target: 'BS', required: false }},
+  'iOS7':         { unitTest: {target: null, required: false }},
+  'iOS8':         { unitTest: {target: null, required: false }},
+  'iOS9':         { unitTest: {target: 'BS', required: true  }},
+  'WindowsPhone': { unitTest: {target: 'BS', required: false }}
+};
+
+/** Exports all available remote browsers. */
+exports.customLaunchers = require('./remote_browsers.json');
+
+/** Exports a map of configured browsers, which should run on the CI. */
+exports.platformMap = {
+  'saucelabs': {
+    required: buildConfiguration('unitTest', 'SL', true),
+    optional: buildConfiguration('unitTest', 'SL', false)
+  },
+  'browserstack': {
+    required: buildConfiguration('unitTest', 'BS', true),
+    optional: buildConfiguration('unitTest', 'BS', false)
+  },
+};
+
+/** Build a list of configuration (custom launcher names). */
+function buildConfiguration(type, target, required) {
+  return Object.keys(browserConfig)
+    .map(item => [item, browserConfig[item][type]])
+    .filter(([, conf]) => conf.required === required && conf.target === target)
+    .map(([item]) => `${target}_${item.toUpperCase()}`);
+}
+
+/** Decode the token for Travis to use. */
+function decodeToken(token) {
+  return (token || '').split('').reverse().join('');
+}
+
+
+/** Ensures that the Travis access keys work properly. */
+if (process.env.TRAVIS) {
+  process.env.SAUCE_ACCESS_KEY = decodeToken(process.env.SAUCE_ACCESS_KEY);
+  process.env.BROWSER_STACK_ACCESS_KEY = decodeToken(process.env.BROWSER_STACK_ACCESS_KEY);
+}