关于去哪儿网的UI自动化测试脚本

UI自动化测试
Qunar机票搜索场景
访问Qunar机票首页http://flight.qunar.com，选择“单程”，输入出发、到达城市，选择today+7日后的日期，点“搜索”，跳转到机票单程搜索列表页。
在列表页停留1分钟，至到页面上出现“搜索结束”。
如果出现航班列表，对于出现“每段航班均需缴纳税费”的行随机点选“订票”按钮，在展开的列表中会出现“第一程”、 “第二程”；对于没有出现“每段航班均需缴纳税费”的行随机点选“订票”按钮，在展开的列表底部中会出现“报价范围”
如果不出现航班列表，则页面会出现“该航线当前无可售航班”
请使用maven创建java工程，引入Selenium框架，编写WebUI代码，实现上述人工操作和验证。要求能随机验证100个城市对的3个月内的任意搜索条件。

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package com.test;   import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date;   import org.openqa.selenium.By; import org.openqa.selenium.JavascriptExecutor; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import org.openqa.selenium.firefox.FirefoxDriver; import org.openqa.selenium.support.ui.ExpectedCondition; import org.openqa.selenium.support.ui.WebDriverWait; import org.testng.annotations.AfterClass; import org.testng.annotations.BeforeClass; import org.testng.annotations.Test;   public class Demo3 {        public WebDriver driver;        private int waitTime = 20 ;        private Date fromDate;        private SimpleDateFormat sdf;        @BeforeClass      public void setUp() {          driver = new FirefoxDriver();          driver.manage().window().maximize();      }        @AfterClass      public void tearDown() {          driver.close();          driver.quit();      }        private WebElement getElement( final By by) {          boolean flag = new WebDriverWait(driver, waitTime)                  .until( new ExpectedCondition<Boolean>() {                      public Boolean apply(WebDriver d) {                          return d.findElement(by).isDisplayed();                      }                  });          WebElement element = null ;          if (flag) {              element = driver.findElement(by);          }          return element;      }        private WebElement getElementNotWait( final By by) {          WebElement element = null ;          try {              element = driver.findElement(by);          } catch (Exception e) {              element = null ;          }          return element;<br> }        private String getFromDate() {          fromDate = new Date();          sdf = new SimpleDateFormat( "yyyy-MM-dd" );          return sdf.format(fromDate);      }        private String getToDate() {          Calendar c = Calendar.getInstance();          c.setTime(fromDate);          c.add(Calendar.DAY_OF_MONTH, + 7 );          return sdf.format(c.getTime());      }        private ArrayList<WebElement> getAllResultElement() {          int labelIndex = 1 ;          int rowIndex = 1 ;          ArrayList<WebElement> list = new ArrayList<WebElement>();          while ( true ) {              if ( this .getElementNotWait(By.xpath( "//div[@class='outContainer']/div[" + labelIndex + "]" )) != null ) {                  if ( this .getElementNotWait(By.xpath( "//div[@class='outContainer']/div[" + labelIndex + "]/div[starts-with(@id,'itemRowXI')][" + rowIndex + "]" )) != null ) {                      list.add( this .getElementNotWait(By.xpath( "//div[@class='outContainer']/div[" + labelIndex + "]/div[starts-with(@id,'itemRowXI')]["   + rowIndex + "]" )));                      rowIndex++;                  } else {                      labelIndex++;                      rowIndex = 1 ;                  }              } else                  break ;          }          return list;      }        private int getRandom( int count) {          return ( int ) Math.round(Math.random() * (count - 1 ));      }            private void sleep( int s){          try {              Thread.sleep(s* 1000 );          } catch (InterruptedException e) {                       e.printStackTrace();          }      }        @Test      public void process() {          driver.navigate().to( "http://flight.qunar.com/" );          this .getElement(By.id( "searchTypeSng" )).click();          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='fromCity']" )).clear();          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='fromCity']" )).sendKeys( "武汉" );          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='toCity']" )).clear();          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='toCity']" )).sendKeys( "北京" );          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='fromDate']" )).clear();          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//input[@name='fromDate']" )).sendKeys( this .getFromDate());          this .getElementNotWait(By.xpath( "//div[@id='dom_arrivalDateDiv_disable']//div[@class='sicon']" )).click();          JavascriptExecutor j =(JavascriptExecutor)driver;          j.executeScript( "$('input[name=toDate]').val('" + this .getToDate()+ "')" );          this .getElement(By.xpath( "//div[@id='js_flighttype_tab_domestic']//button[text()='搜　索']" )).click();          this .sleep( 10 );          this .getElement(By.xpath( "//div[@class='outContainer']" ));          ArrayList<WebElement> all = this .getAllResultElement();          int random = this .getRandom(all.size());          WebElement element = all.get(random);          String id = element.getAttribute( "id" );          String lindId = id.replace( "itemRow" , "btnBook" );          this .getElement(By.xpath( "//a[@id='" +lindId+ "']" )).click();          this .sleep( 10 );      }   }