Fixes #1986 - Start migration to Intern 4

.travis.yml

@@ -10,7 +10,8 @@ branches:
 language: python
 
 addons:
-  firefox: 55.0
+  firefox: latest
+  chrome: stable
 
 python:
   - "2.7"
@@ -53,4 +54,4 @@ before_script:
 # now run the tests!
 script:
   - nosetests
-  - node_modules/.bin/intern-runner config=tests/intern reporters=Console
+  - node ./tests/functional/_intern.js reporters="runner"

package.json

@@ -14,6 +14,7 @@
     "node": ">= 4.x"
   },
   "dependencies": {
+    "amd-to-commonjs-codemod": "^1.2.0",
     "cssrecipes-custom-media-queries": "0.3.0",
     "cssrecipes-defaults": "^0.5.0",
     "cssrecipes-grid": "^1.0.0",
@@ -37,7 +38,7 @@
     "grunt-contrib-watch": "^1.0.0",
     "grunt-postcss": "^0.8.0",
     "husky": "^0.13.4",
-    "intern": "^3.4.6",
+    "intern": "^4.1.4",
     "lint-staged": "^3.6.1",
     "load-grunt-tasks": "^3.5.2",
     "postcss": "^5.2.17",
@@ -70,7 +71,7 @@
     "project-update": "pip install --upgrade pip && npm update",
     "precommit": "lint-staged",
     "test": "npm run test:js && npm run test:python",
-    "test:js": "node_modules/.bin/intern-runner config=tests/intern",
+    "test:js": "node ./tests/functional/_intern.js",
     "test:python": "nosetests"
   },
   "lint-staged": {

tests/.eslintrc

@@ -0,0 +1,9 @@
+{
+  "globals": {
+    "intern": true,
+    "process": true
+  },
+  "rules": {
+    "no-console": "off"
+  }
+}

tests/functional/_intern.js

@@ -0,0 +1,68 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const intern = require("intern").default;
+
+const args = {};
+process.argv.forEach((val, index) => {
+  if (val.indexOf("=") !== -1) {
+    args[val.split("=")[0]] = val.split("=")[1];
+  } else {
+    args[index] = val;
+  }
+});
+
+const siteRoot = args.siteRoot ? args.siteRoot : "http://localhost:5000";
+
+let environments = [];
+const browsers = args.browsers
+  ? args.browsers.replace(/\s/g, "").split(",")
+  : ["firefox", "chrome"];
+
+browsers.forEach(function(b) {
+  environments.push({
+    browserName: b.toLowerCase(),
+    marionette: true
+  });
+});
+
+intern.configure({
+  // Configuration object for webcompat
+  wc: {
+    pageLoadTimeout: args.wcPageLoadTimeout
+      ? parseInt(args.wcPageLoadTimeout, 10)
+      : 10000
+  },
+
+  plugins: "./tests/functional/lib/setup.js",
+
+  maxConcurrency: 1,
+
+  // The port on which the instrumenting proxy will listen
+  proxyPort: 9090,
+
+  // A fully qualified URL to the Intern proxy
+  proxyUrl: "http://127.0.0.1:9090/",
+  siteRoot: siteRoot,
+  tunnel: "selenium",
+  tunnelOptions: {
+    // this tells SeleniumTunnel to download geckodriver and chromedriver
+    drivers: ["firefox", "chrome"]
+  },
+
+  environments: environments,
+
+  filterErrorStack: true,
+  reporters: [args.reporters ? args.reporters : "pretty"],
+
+  functionalSuites: ["./tests/functional/*.js"]
+});
+
+intern.run().catch(e => {
+  // This might not throw, BUG filed: https://github.com/theintern/intern/issues/868
+  console.log(e);
+  process.exit(1);
+});