Add testing infrastructure using jest

Added simple test to illustrate how to use jest with react.

app/components/LibraryNav.jsx

@@ -35,25 +35,13 @@ String.prototype.trunc = String.prototype.trunc || function(n){
 };
 
 const {
-    AppBar,
-    AppCanvas,
-    FontIcon,
     IconButton,
-    EnhancedButton,
-    NavigationClose,
-    FloatingActionButton,
-    Menu,
     MenuItem,
-    Mixins,
-    RaisedButton,
-    FlatButton,
-    Popover,
     Badge,
     TextField,
-    Dialog,
     Styles,
-    LeftNav,
-    Paper} = mui
+    Paper
+} = mui
 
 const DefaultRawTheme = Styles.LightRawTheme
 

app/components/__tests__/EntrySelector-test.jsx

@@ -0,0 +1,17 @@
+jest.autoMockOff()
+
+import React from 'react'
+import ReactDOM from 'react-dom'
+import TestUtils from 'react-addons-test-utils'
+
+const EntrySelector = require('../EntrySelector').default
+
+describe('EntrySelector', () => {
+
+    it('test jest', () => {
+        var entrySelector = TestUtils.renderIntoDocument(
+            <EntrySelector id="entry-selector" className="left inline fill-height" />
+        )
+        expect(entrySelector.state.entries.length).toEqual(0)
+    })
+})

jest/preprocessor.js

@@ -0,0 +1,12 @@
+var babelJest = require('babel-jest');
+var webpackAlias = require('jest-webpack-alias');
+
+module.exports = {
+  process: function(src, filename) {
+    if (filename.indexOf('node_modules') === -1) {
+      src = babelJest.process(src, filename);
+      src = webpackAlias.process(src, filename);
+    }
+    return src;
+  }
+};

package.json

@@ -21,6 +21,7 @@
   },
   "client_certificate": "",
   "scripts": {
+    "test": "jest",
     "dev": "webpack-dev-server --progress --colors --port 8090",
     "serve": "./node_modules/.bin/http-server -p 8080",
     "start": "npm run serve | npm run dev",
@@ -149,6 +150,7 @@
   "main_html": "index.html",
   "devDependencies": {
     "babel-core": "^6.5.1",
+    "babel-jest": "*",
     "babel-loader": "^6.2.2",
     "babel-preset-es2015": "^6.5.0",
     "babel-preset-react": "^6.5.0",
@@ -157,10 +159,34 @@
     "babel-preset-stage-2": "^6.5.0",
     "babel-preset-stage-3": "^6.5.0",
     "http-server": "^0.8.4",
+    "jest-cli": "*",
+    "jest-webpack-alias": "^2.2.0",
+    "react-addons-test-utils": "^0.14.7",
     "redux-devtools": "^3.1.1",
     "webpack": "*",
     "webpack-dev-server": "^1.11.0"
   },
   "keywords": [],
-  "node_main": ""
+  "node_main": "",
+  "jest": {
+    "scriptPreprocessor": "<rootDir>/jest/preprocessor.js",
+    "unmockedModulePathPatterns": [
+      "<rootDir>/node_modules/react",
+      "<rootDir>/node_modules/material-ui",
+      "<rootDir>/node_modules/react-dom",
+      "<rootDir>/node_modules/react-addons-test-utils",
+      "<rootDir>/node_modules/fbjs"
+    ],
+    "testFileExtensions": [
+      "jsx",
+      "js",
+      "es6"
+    ],
+    "moduleFileExtensions": [
+      "js",
+      "jsx",
+      "json",
+      "es6"
+    ]
+  }
 }