integrate jest - not working yet though

gulpfile.js

@@ -15,6 +15,7 @@ var sass = require('gulp-sass');
 var concat = require('gulp-concat');
 var _ = require('lodash');
 var eslint = require('gulp-eslint');
+var jest = require('gulp-jest');
 
 var config = {
     bootstrapDir: './node_modules/bootstrap-sass'
@@ -24,14 +25,14 @@ gulp.task('build', function() {
     bundle(false);
 });
  
-gulp.task('serve', ['browser-sync', 'lint:watch', 'sass', 'sass:watch', 'copy'], function() {
+gulp.task('serve', ['browser-sync', 'lint:watch', 'sass', 'sass:watch', 'copy', 'jest:watch'], function() {
     bundle(true);
 });
 
 gulp.task('browser-sync', function() {
     browserSync({
         server: {
-            baseDir: "."
+            baseDir: '.'
         },
         port: process.env.PORT || 3000
     });
@@ -44,7 +45,8 @@ gulp.task('sass', function () {
             includePaths: [
                 config.bootstrapDir + '/assets/stylesheets'
             ]
-        }).on('error', sass.logError))
+        })
+        .on('error', sass.logError))
         .pipe(sourcemaps.write('./maps'))
         .pipe(gulp.dest('./build/css'))
         .pipe(browserSync.stream());;
@@ -84,9 +86,34 @@ gulp.task('lint:watch', function () {
     gulp.watch('js/**/*.js', ['lint']);
 });
 
+gulp.task('jest', function () {
+    return gulp.src('__tests__').pipe(jest({
+        scriptPreprocessor: "./node_modules/babel-jest",
+        testDirectoryName: '__tests__',
+        testPathIgnorePatterns: [
+            'node_modules',
+            'spec/support'
+        ],
+        testFileExtensions: [
+            'es6',
+            'js'
+        ],
+        moduleFileExtensions: [
+            'js',
+            'json',
+            'react',
+            'es6'
+        ]
+    })
+    .on('error', console.error));
+});
+
+gulp.task('jest:watch', function () {
+    gulp.watch('__tests__', ['jest']);
+});
+
 function bundle(watch) {
     var bro;
- 
     if (watch) {
         bro = watchify(browserify('./js/app.js',
             // Assigning debug to have sourcemaps

js/utils/__tests__/general_utils-test.js

@@ -0,0 +1,9 @@
+jest.autoMockOff();
+
+import * as GeneralUtils from '../general_utils';
+
+describe('GeneralUtils', () =>  {
+    it('should do something', () => {
+        console.log('asdasdasd');
+    });
+});

package.json

@@ -11,7 +11,7 @@
   "private": true,
   "devDependencies": {
     "babel-eslint": "^3.1.11",
-    "babel-jest": "^4.0.0",
+    "babel-jest": "^5.2.0",
     "babelify": "^6.1.2",
     "bootstrap-sass": "^3.3.4",
     "browser-sync": "^2.7.5",
@@ -23,6 +23,7 @@
     "gulp-concat": "^2.5.2",
     "gulp-eslint": "^0.13.2",
     "gulp-if": "^1.2.5",
+    "gulp-jest": "^0.4.0",
     "gulp-notify": "^2.2.0",
     "gulp-sass": "^2.0.1",
     "gulp-sourcemaps": "^1.5.2",
@@ -45,8 +46,7 @@
     "react-datepicker": "~0.8.0",
     "react-router": "^0.13.3",
     "shmui": "^0.1.0",
-    "uglifyjs": "^2.4.10",
+    "uglifyjs": "^2.4.10"
-    "react-datepicker": "~0.8.0"
   },
   "jest": {
     "scriptPreprocessor": "node_modules/babel-jest",