Update tests, testing in browser

.circleci/config.yml

@@ -3,7 +3,7 @@ jobs:
   build:
     working_directory: ~/tpm
     docker:
-      - image: circleci/node:10.16.3
+      - image: circleci/node:10.16.3-browsers
 
     steps:
       - checkout

karma.conf.js

@@ -0,0 +1,69 @@
+module.exports = function (config) {
+  config.set({
+
+    // base path that will be used to resolve all patterns (eg. files, exclude)
+    basePath: '',
+
+    // frameworks to use
+    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
+    frameworks: ['browserify', 'mocha'],
+
+    // list of files / patterns to load in the browser
+    files: [
+      'test/*.spec.js'
+    ],
+
+    // list of files / patterns to exclude
+    exclude: [
+    ],
+
+    // preprocess matching files before serving them to the browser
+    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
+    preprocessors: {
+      'test/*.spec.js': ['browserify']
+    },
+    browserify: {
+      'transform': [
+        [
+          'babelify'
+        ]
+      ],
+      debug: true
+    },
+    // test results reporter to use
+    // possible values: 'dots', 'progress'
+    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
+    reporters: ['progress'],
+
+    // web server port
+    port: 9876,
+
+    // enable / disable colors in the output (reporters and logs)
+    colors: true,
+
+    // level of logging
+    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
+    logLevel: config.LOG_INFO,
+
+    // enable / disable watching file and executing tests whenever any file changes
+    autoWatch: true,
+
+    // start these browsers
+    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
+    browsers: ['Firefox', 'Chrome'],
+
+    // Continuous Integration mode
+    // if true, Karma captures browsers, runs the tests and exits
+    singleRun: true,
+    plugins: [
+      'karma-browserify',
+      'karma-chrome-launcher',
+      'karma-firefox-launcher',
+      'karma-mocha'
+    ],
+
+    // Concurrency level
+    // how many browser should be started simultaneous
+    concurrency: Infinity
+  })
+}