test.js

var Ghost = require('webghost');
var should = require('should');

var ghost = new Ghost({browser: "chrome", host: "ip"});
ghost.open()
.go("http://your/url")
.text('p', function (text) {
   text.should.be.not.equal('haha');
})
.click('button') // 点击按钮
.text('p', function (text) {
   text.should.be.equal('haha');
});