Move to power-assert for tests and make failing test for DraggableCore callback

Author: STRML

.babelrc

@@ -6,5 +6,13 @@
   ],
   "plugins": [
     "transform-flow-comments",
-  ]
+  ],
+  "env": {
+    "test": {
+      "plugins": [
+        // Makes power-assert work
+        "espower"
+      ]
+    }
+  }
 }

karma.conf.js

@@ -24,14 +24,18 @@ module.exports = function(config) {
       module: {
         loaders: [
           {
-            test: /\.(?:js|es).?$/,
-            loader: 'babel-loader',
+            test: /\.(?:jsx?|es6)$/,
+            loader: 'babel',
             query: {
               cacheDirectory: true,
             },
-            exclude: /(node_modules)/
+            exclude: /node_modules/
+          },
+          {
+            test: /\.json$/,
+            loader: 'json'
           }
-        ]
+        ],
       },
       plugins: [
         new webpack.DefinePlugin({

package.json

@@ -31,12 +31,15 @@
     "babel-core": "^6.5.1",
     "babel-eslint": "^6.0.2",
     "babel-loader": "^6.2.2",
+    "babel-plugin-espower": "^2.1.2",
     "babel-plugin-transform-flow-comments": "^6.7.0",
     "babel-preset-es2015": "^6.5.0",
     "babel-preset-react": "^6.5.0",
     "babel-preset-stage-1": "^6.5.0",
     "eslint": "^2.7.0",
     "eslint-plugin-react": "^4.3.0",
+    "jasmine-core": "^2.4.1",
+    "json-loader": "^0.5.4",
     "karma": "^0.13.14",
     "karma-chrome-launcher": "^0.2.1",
     "karma-cli": "0.1.2",
@@ -48,6 +51,7 @@
     "lodash": "^4.11.1",
     "open": "0.0.5",
     "phantomjs-prebuilt": ">=1.9",
+    "power-assert": "^1.4.1",
     "pre-commit": "^1.1.2",
     "react": "^15.0.0",
     "react-dom": "^15.0.0",
@@ -64,4 +68,4 @@
   "dependencies": {
     "classnames": "^2.2.0"
   }
-}
+}