Set up travis to build and run tests.

Author: Alex7Li

.gitignore

@@ -10,6 +10,7 @@
 
 # production
 /build
+/dist
 
 # Webstorm IDE
 /.idea

.travis.yml

@@ -1,3 +1,13 @@
 language: node_js
 node_js:
   - "14"
+addons:
+  firefox: latest
+  chrome: stable
+dist: xenial
+services:
+  - xvfb
+os:
+  - linux
+  - osx
+script: yarn test

Gruntfile.js

@@ -0,0 +1,94 @@
+/**
+ * Copyright 2013 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+module.exports = function(grunt) {
+  const closurePackage = require('google-closure-compiler');
+  closurePackage.grunt(grunt);
+
+  grunt.initConfig({
+    'pkg': grunt.file.readJSON('package.json'),
+
+    // Using https://www.npmjs.com/package/google-closure-compiler
+    'closure-compiler': {
+      my_target: {
+        files: {
+          'dist/measure.js': 'src/**/*.js',
+        },
+        options: {
+          js: [
+            'node_modules/google-closure-library/closure/goog/base.js'
+          ],
+          hide_warnings_for: 'google-closure-library',
+          compilation_level: 'ADVANCED_OPTIMIZATIONS',
+          language_in: 'ECMASCRIPT6',
+          output_wrapper: '(function(){%output%})();',
+          jscomp_warning: 'lintChecks',
+        },
+      },
+    },
+    'karma': {
+      options: {
+        // Continue after running the tests
+        singleRun: true,
+      },
+      unit: {
+        configFile: 'karma.conf.js',
+      },
+      integration: {
+        configFile: 'test/integration/karma.conf.js',
+      },
+      unitBrowsers: {
+        options: {
+          // Run tests on all the browsers on the system.
+          frameworks: ['jasmine', 'detectBrowsers'],
+          detectBrowsers: {
+            enabled: true,
+            // Don't try to load phantomJS, it may not exist.
+            usePhantomJS: false,
+          },
+          // Travis needs it to run browsers.
+          flags: ['--no-sandbox'],
+        },
+        configFile: 'karma.conf.js',
+      },
+      integrationBrowsers: {
+        options: { // same as for unitBrowsers
+          frameworks: ['jasmine', 'detectBrowsers'],
+          detectBrowsers: {
+            enabled: true,
+            usePhantomJS: false,
+          },
+          flags: ['--no-sandbox'],
+        },
+        configFile: 'test/integration/karma.conf.js',
+      },
+    },
+  });
+
+  grunt.loadNpmTasks('grunt-karma');
+
+  grunt.registerTask('default', [
+    'closure-compiler',
+    'karma:unit',
+    'karma:integration',
+  ]);
+
+  grunt.registerTask('test', [
+    'closure-compiler',
+    'karma:unitBrowsers',
+    'karma:integrationBrowsers',
+  ]);
+};

README.md

@@ -30,8 +30,14 @@ yarn global add karma-cli
 npm install -g karma-cli
 ```
 
-Next, run the tests with karma
+Next, run the unit tests with karma from the root directory
 
 ```shell script
 karma start
-```
+```
+
+To run the integration tests instead of the unit tests,
+
+```shell script
+karma start test/integration/karma.conf.js
+```

karma.conf.js

@@ -7,25 +7,37 @@ module.exports = function(config) {
     frameworks: ['jasmine'],
     // automatically run tests for files matching these regex
     files: [
-      // test files
+      // ----------------- Third Party Dependencies ----------------------------
+      {pattern: 'node_modules/google-closure-library/closure/goog/base.js'},
+      // ------------------------ Source Files ---------------------------------
+      // Dependencies must be listed before the file they are used in for
+      // the googmodule preprocessor to function properly.
+      {pattern: 'src/**/*.js'},
+      // ------------------------- Test Files ----------------------------------
       'test/*_test.js'
     ],
+    preprocessors: {'**/*.js': ['googmodule']},
     plugins: [
       require('karma-jasmine'),
+      require('karma-detect-browsers'),
       require('karma-chrome-launcher'),
+      require('karma-firefox-launcher'),
+      require('karma-ie-launcher'),
+      require('karma-safari-launcher'),
       require('karma-spec-reporter'),
-      require('karma-jasmine-html-reporter')
+      require('karma-jasmine-html-reporter'),
+      require('karma-googmodule-preprocessor'),
     ],
     reporters: ['spec', 'kjhtml'],
     colors: true,
     logLevel: config.LOG_DISABLE,
-    // run tests when a file changes
+    // Run tests when a file changes.
     autoWatch: true,
     browsers: ['Chrome'],
     client: {
       clearContext: false
     },
-    // if you close the browser, it will not pop up again
+    // If you close the browser, it will not pop up again.
     retryLimit: 0,
   })
 }

package.json

@@ -1,16 +1,29 @@
 {
+  "scripts": {
+    "start": "grunt",
+    "test": "grunt test"
+  },
   "dependencies": {
-    "jasmine": "^3.5.0"
+    "google-closure-compiler": "^20200628.0.0",
+    "google-closure-library": "^20200628.0.0"
   },
   "devDependencies": {
+    "grunt": "^1.2.1",
+    "grunt-karma": "^4.0.0",
+
+    "jasmine": "^3.5.0",
     "jasmine-core": "^3.5.0",
+
     "karma": "^5.1.0",
-    "karma-chrome-launcher": "^3.1.0",
+    "karma-googmodule-preprocessor": "^1.0.1",
     "karma-jasmine": "^3.3.1",
     "karma-jasmine-html-reporter": "^1.5.4",
-    "karma-spec-reporter": "^0.0.32"
-  },
-  "scripts": {
-    "test": "karma start --single-run --browsers ChromeHeadless"
+    "karma-spec-reporter": "^0.0.32",
+
+    "karma-detect-browsers": "^2.3.3",
+    "karma-chrome-launcher": "^3.1.0",
+    "karma-firefox-launcher": "^1.3.0",
+    "karma-ie-launcher": "^1.0.0",
+    "karma-safari-launcher": "^1.0.0"
   }
 }

test/integration/integration_test.js

@@ -0,0 +1,8 @@
+/*
+ * TODO: Replace this test file with real tests
+ */
+describe('Test that the integration tests are running', function(){
+  it('should pass this test', function(){
+    expect('this test').not.toBe('here later');
+  });
+})

test/integration/karma.conf.js

@@ -0,0 +1,11 @@
+const baseConfig = require('../../karma.conf');
+
+module.exports = function(config) {
+  baseConfig(config);
+  config.set({
+    files: [
+      './**_test.js',
+      '../../dist/measure.js',
+    ],
+  });
+};