[react-packager] Fix jest tests

jestSupport/env.js

@@ -0,0 +1,5 @@
+'use strict';
+
+global.setImmediate = global.setImmediate || function(fn) {
+  return setTimeout(fn, 0);
+};

jestSupport/scriptPreprocess.js

@@ -10,6 +10,10 @@ module.exports = {
   transformSource: transformSource,
 
   process: function(src, fileName) {
+    if (fileName.match(/node_modules/)) {
+      return src;
+    }
+
     try {
       return transformSource(src);
     } catch(e) {

package.json

@@ -8,12 +8,15 @@
   },
   "jest": {
     "scriptPreprocessor": "jestSupport/scriptPreprocess.js",
+    "setupEnvScriptFile": "jestSupport/env.js",
     "testPathIgnorePatterns": [
-      "/node_modules/",
-      "/packager/"
+      "/node_modules/"
     ],
     "testFileExtensions": [
       "js"
+    ],
+    "unmockedModulePathPatterns": [
+      "source-map"
     ]
   },
   "scripts": {

packager/react-packager/package.json

@@ -1,14 +0,0 @@
-{
-  "name": "react-packager",
-  "version": "0.1.0",
-  "description": "",
-  "main": "index.js",
-  "jest": {
-    "unmockedModulePathPatterns": [
-      "source-map"
-    ],
-    "testPathIgnorePatterns": [
-      "JSAppServer/node_modules"
-    ]
-  }
-}

packager/react-packager/src/JSTransformer/Cache.js

@@ -1,7 +1,7 @@
 'use strict';
 
 var path = require('path');
-var version = require('../../package.json').version;
+var version = require('../../../../package.json').version;
 var tmpdir = require('os').tmpDir();
 var pathUtils = require('../fb-path-utils');
 var declareOpts = require('../lib/declareOpts');