Use babel-jest to preprocess test files

jest-unit.json

@@ -1,5 +1,5 @@
 {
-  "scriptPreprocessor": "<rootDir>/util/preprocessor.js",
+  "scriptPreprocessor": "<rootDir>/node_modules/babel-jest",
   "setupEnvScriptFile": "<rootDir>/util/testenv.js",
   "setupTestFrameworkScriptFile": "<rootDir>/util/prepare.js",
   "unmockedModulePathPatterns": [
@@ -9,10 +9,10 @@
     "net",
     "crypto",
     "babel",
-    "<rootDir>/node_modules/.*JSONStream",
-    "<rootDir>/node_modules/object-assign",
-    "<rootDir>/node_modules/underscore",
-    "<rootDir>/node_modules/bluebird",
-    "<rootDir>/node_modules/source-map-support"
+    "bluebird",
+    "object-assign",
+    "underscore",
+    "source-map-support",
+    "<rootDir>/node_modules/.*JSONStream"
   ]
 }

package.json

@@ -26,9 +26,9 @@
     }
   ],
   "docker-version": "1.6.2",
-  "docker-machine-version": "0.2.0",
+  "docker-machine-version": "0.3.0-rc1",
   "docker-compose-version": "1.2.0",
-  "electron-version": "0.26.0",
+  "electron-version": "0.27.2",
   "virtualbox-version": "4.3.28",
   "virtualbox-filename": "VirtualBox-4.3.28.pkg",
   "virtualbox-filename-win": "VirtualBox-4.3.28.exe",
@@ -57,7 +57,7 @@
     "react": "^0.13.1",
     "react-bootstrap": "^0.20.3",
     "react-retina-image": "^1.1.2",
-    "react-router": "^0.13.2",
+    "react-router": "^0.13.3",
     "request": "^2.55.0",
     "request-progress": "^0.3.1",
     "rimraf": "^2.3.2",
@@ -66,6 +66,7 @@
   },
   "devDependencies": {
     "babel": "^5.1.10",
+    "babel-jest": "^5.2.0",
     "gulp": "^3.8.11",
     "gulp-babel": "^5.1.0",
     "gulp-changed": "^1.2.1",

util/preprocessor.js

@@ -1,14 +0,0 @@
-var babel = require('babel');
-var fs = require('fs');
-var crypto = require('crypto');
-
-module.exports = {
-  process: function(src, filename) {
-    if (filename.indexOf('node_modules') !== -1) {
-      return src;
-    }
-    var compiled = babel.transform(src, {filename: filename, sourceMap: true});
-    fs.writeFileSync('/tmp/' + crypto.createHash('md5').update(filename).digest('hex') + '.map', JSON.stringify(compiled.map));
-    return compiled.code;
-  }
-};