working on mocha tests with pahntomjs

tests/beforeEach.js

@@ -0,0 +1,40 @@
+var fs = require('fs');
+var page;
+var beforeLoadFn;
+
+beforeEach(function() {
+	page = require('webpage').create();
+	
+	page.onConsoleMessage = function(msg) { console.log(msg); };
+
+	page.onError = function(msg, trace) {
+		var msgStack = [msg];
+		if (trace && trace.length) {
+			msgStack.push('TRACE:');
+			trace.forEach(function(t) {
+				msgStack.push(' -> ' + t.file + ': ' + t.line + (t.function ? ' (in function "' + t.function +'")' : ''));
+			});
+		}
+	    // we need try..catch here as mocha throws error that catched by phantom.onError
+	    try {
+	    	mocha.throwError(msgStack.join('\n'));
+	    } catch(e) { }
+	};
+
+	page.onInitialized = function() {
+		page.injectJs(node_modules + 'chai/chai.js');
+		page.injectJs(node_modules + 'sinon/pkg/sinon.js');
+		page.injectJs(node_modules + 'sinon-chrome/chrome.js');
+		page.injectJs(node_modules + 'sinon-chrome/src/phantom-tweaks.js');
+		page.injectJs(node_modules + 'require-stub/index.js');
+	    // call additional function defined in tests
+	    if (beforeLoadFn) {
+	    	beforeLoadFn();
+	    }
+	};
+});
+
+afterEach(function() {
+	page.close();
+	beforeLoadFn = null;
+});