Add notifications for test results

docs/API.md

@@ -62,6 +62,7 @@ Jest uses Jasmine 2 by default. An introduction to Jasmine 2 can be found
   - [`moduleNameMapper` [object<string, string>]](#modulenamemapper-object-string-string)
   - [`modulePaths` [array<string>]](#modulepaths-array-string)
   - [`modulePathIgnorePatterns` [array<string>]](#modulepathignorepatterns-array-string)
+  - [`notify` [boolean]](#notify-boolean)
   - [`preprocessorIgnorePatterns` [array<string>]](#preprocessorignorepatterns-array-string)
   - [`rootDir` [string]](#rootdir-string)
   - [`scriptPreprocessor` [string]](#scriptpreprocessor-string)
@@ -540,6 +541,11 @@ Example:
   }
 ```
 
+### `notify` [boolean]
+(default: `false`)
+
+Activates notifications for test results.
+
 ### `rootDir` [string]
 (default: The root of the directory containing the `package.json` *or* the [`pwd`](http://en.wikipedia.org/wiki/Pwd) if no `package.json` is found)
 

packages/jest-cli/src/cli/args.js

@@ -163,6 +163,12 @@ const options = {
     ),
     type: 'boolean',
   },
+  notify: {
+    description: wrap(
+      'Activates notifications for test results.'
+    ),
+    type: 'boolean',
+  },
   watch: {
     description: wrap(
       'Watch files for changes and rerun tests related to changed files. ' +

packages/jest-config/package.json

@@ -18,7 +18,8 @@
     "jest-resolve": "^12.1.0",
     "jest-runtime": "^12.1.0",
     "jest-util": "^12.1.0",
-    "json-stable-stringify": "^1.0.0"
+    "json-stable-stringify": "^1.0.0",
+    "node-notifier": "^4.6.0"
   },
   "jest": {
     "rootDir": "./build",

packages/jest-config/src/Notifier.js

@@ -0,0 +1,78 @@
+/**
+* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+*
+* This source code is licensed under the BSD-style license found in the
+* LICENSE file in the root directory of this source tree. An additional grant
+* of patent rights can be found in the PATENTS file in the same directory.
+*
+* @flow
+*/
+'use strict';
+
+import type {AggregatedResult} from 'types/TestResult';
+
+const notifier = require('node-notifier');
+const path = require('path');
+const util = require('util');
+
+const isDarwin = process.platform === 'darwin';
+
+const ICON = '/assets/jest_logo.png';
+const NOTIFICATIONS = {
+  success: {
+    title: '%d%% Passed',
+    message: (isDarwin ? '✅ ' : '') + '%d tests passed',
+    icon: ICON,
+  },
+  failure: {
+    title: '%d%% Failed',
+    message: (isDarwin ? '⛔️ ' : '') + '%d of %d tests failed',
+    icon: ICON,
+  },
+};
+
+type Notification = {
+  title: string,
+  message: string,
+  icon: string,
+};
+
+class Notifier {
+
+  static onTestResults(result: AggregatedResult): void {
+    let info;
+    let title;
+    let message;
+
+    if (result.success) {
+      info = NOTIFICATIONS['success'];
+      title = util.format(info.title, 100);
+      message = util.format(info.message, result.numPassedTests);
+    } else {
+      info = NOTIFICATIONS['failure'];
+      title = util.format(info.title, Math.ceil(
+        (result.numFailedTests / result.numTotalTests) * 100,
+      ));
+      message = util.format(
+        info.message,
+        result.numFailedTests,
+        result.numTotalTests,
+      );
+    }
+    const icon = path.join(__dirname, info.icon);
+
+    const notification = {
+      title,
+      message,
+      icon,
+    };
+
+    this.trigger(notification);
+  }
+
+  static trigger(notification: Notification): void {
+    notifier.notify(notification);
+  }
+}
+
+module.exports = Notifier;

packages/jest-config/src/defaults.js

@@ -35,6 +35,7 @@ module.exports = ({
   modulePathIgnorePatterns: [],
   noHighlight: false,
   noStackTrace: false,
+  notify: false,
   testEnvData: {},
   testEnvironment: 'jest-environment-jsdom',
   testPathDirs: ['<rootDir>'],

packages/jest-config/src/normalize.js

@@ -263,6 +263,7 @@ function normalize(config, argv) {
       case 'name':
       case 'noHighlight':
       case 'noStackTrace':
+      case 'notify':
       case 'persistModuleRegistryBetweenSpecs':
       case 'rootDir':
       case 'updateSnapshot':

packages/jest-config/src/reporters/DefaultTestReporter.js

@@ -15,6 +15,7 @@ import type {Process} from 'types/Process';
 
 const chalk = require('chalk');
 const formatFailureMessage = require('jest-util').formatFailureMessage;
+const Notifier = require('../Notifier');
 const path = require('path');
 const VerboseLogger = require('./VerboseLogger');
 
@@ -183,6 +184,11 @@ class DefaultTestReporter {
 
     this._printSummary(aggregatedResults);
     this.log(results);
+
+    if (config.notify) {
+      Notifier.onTestResults(aggregatedResults);
+    }
+
     return snapshotFailure ? false : aggregatedResults.success;
   }
 

packages/jest-config/src/setFromArgv.js

@@ -24,6 +24,10 @@ function setFromArgv(config, argv) {
     config.verbose = argv.verbose;
   }
 
+  if (argv.notify) {
+    config.notify = argv.notify;
+  }
+
   if (argv.bail) {
     config.bail = argv.bail;
   }

scripts/test.js

@@ -82,6 +82,7 @@ runCommands('node bin/jest.js --runInBand', 'packages/jest-cli');
 runCommands('node bin/jest.js --runInBand --logHeapUsage', 'packages/jest-cli');
 runCommands('node bin/jest.js --json', 'packages/jest-cli');
 runCommands('node bin/jest.js --verbose', 'packages/jest-cli');
+runCommands('node bin/jest.js --notify', 'packages/jest-cli');
 
 examples.forEach(runExampleTests);
 

types/Config.js

@@ -34,6 +34,7 @@ type BaseConfig = {
   modulePathIgnorePatterns: Array<string>,
   noHighlight: boolean,
   noStackTrace: boolean,
+  notify: boolean,
   testEnvData: {},
   testEnvironment: string,
   testPathDirs: Array<Path>,