selenium验证车贷计算器算法

1.验证页面上的车贷计算器算的结果是否与需求中给的公式结果一致。

页面图片：

代码如下（简单实现，需要优化）：

package com.test;

import java.math.BigDecimal;

import org.junit.Assert;
import org.openqa.selenium.By;
import org.testng.Reporter;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Listeners;
import org.testng.annotations.Test;

import com.core.base.MidConvert;

/** 
 * @author QiaoJiafei 
 * @version 创建时间：2015年12月4日 下午2:23:36 
 * 类说明 
 */
@Listeners({com.core.base.BaseListener.class})
public class Testlaiyongche extends MidConvert{
    String url = "http://172.16.30.243:8888/offical/home.action";
    double car_shoujia = 5000000.36;//车辆售价
    double car_other = 1000.55;//其他费
    double car_sfbl = 40.21;//首付比例
    int car_zuqi = 24;//车辆租期
        
    @BeforeClass
    public void before() {
        super.initDriver();
        //http://172.16.30.243:8888/offical/home.action
        dr.get(url);
        lc = cm.getLocator("linkText", "业务指南");
        cm.click(lc);
        try {
            Thread.sleep(2000);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        lc = cm.getLocator("className", "marginbottom20");
        dr.findElement(By.className("marginbottom20")).findElements(By.tagName("button")).get(3).click();
    }
    @AfterClass
    public void after() {
        super.tearDown();
    }
    @Test
    public void testSuiXin() {
        testmain("极速融","1",car_zuqi);//1-新车,2-二手车，3-LCV,4-微面
        testmain("极速融","2",car_zuqi);
        testmain("极速融","3",car_zuqi);
    }
    
    @Test
    public void testJs() {
        testmain("随心融","1",car_zuqi);
    }
    @Test
    public void testKx() {
        testmain("开心融","4",car_zuqi);
    }
    
    public void testmain(String pd, String ct, int carz) {
        String product = pd;//融资产品
        String cartype = ct;//车辆类型
        //车辆类型：
        lc = cm.getLocator("id", "carType");
        cm.select(lc, ct);
        
        //融资产品：
        lc = cm.getLocator("id", "product");
        cm.select(lc, product);
        
        //车辆售价：
        lc = cm.getLocator("id", "carPrice");
        cm.type(lc, String.valueOf(car_shoujia));

        //其他费用：
        lc = cm.getLocator("id", "otherPrice");
        cm.type(lc, String.valueOf(car_other));
        
        //车辆租期：
        lc = cm.getLocator("id", "tenancy");
        cm.select(lc, String.valueOf(car_zuqi));
        
        //首付比例
        lc = cm.getLocator("xpath", "/html/body/section[2]/div/div/div/div/div[2]/div[4]/div[1]/table[2]/tbody/tr[6]/td[2]/input");
        cm.type(lc, String.valueOf(car_sfbl));
        
        //保证金比例
        String s = dr.findElement(By.id("bail")).getText();
        double bzj = car_shoujia*Integer.parseInt(s)/100;
        
        lc = cm.getLocator("id", "calculation");
        cm.click(lc);
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        double re_sfje = car_shoujia*car_sfbl/100 +bzj;//首付金额 
        double re_rzje = car_shoujia - re_sfje + car_other;//融资金额
        
        double nll = 0;//月利率
        if(product.equals("随心融")) {
            nll = 0.17680;
        }else if(product.equals("极速融")) {
            if(cartype.equals("1")) {
                nll = 0.17680;
            }else if (cartype.equals("2")) {
                nll = 0.18680;
            }else if(cartype.equals("3")) {
                nll = 0.19680;
            }
        }else if (product.equals("随意融")) {
            nll = 0.18680;
        }else if(product.equals("开心融")) {
            nll = 0.25970;
        }else if (product.equals("爱心融")) {
            nll = 0.19680;
        }
        double yll = nll / 12;
        double a = 1+yll;
        double b = car_zuqi;
        double temp = Math.pow(a, b);
        
        double re_yg = (re_rzje*yll*temp)/(temp-1);//月供金额
        //BigDecimal bd1 = new BigDecimal(re_yg);
        //double f1 = bd1.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
        
        double re_rg = re_yg/30;//日供
        //BigDecimal bd2 = new BigDecimal(re_rg);
        //double f2 = bd2.setScale(1, BigDecimal.ROUND_HALF_UP).doubleValue();        
        
        String ac_rzje = dr.findElement(By.id("financingAm")).getText();
        String ac_sfje = dr.findElement(By.id("firstPay")).getText();
        String ac_yg = dr.findElement(By.id("monthlyPay")).getText();
        String ac_rg = dr.findElement(By.id("dayPay")).getText();
        //System.out.println(ac_rzje+"------------");
    
        
        Assert.assertEquals(new java.text.DecimalFormat("#.##").format(re_rzje), ac_rzje);
        Assert.assertEquals(new java.text.DecimalFormat("#.##").format(re_sfje), ac_sfje);
        Assert.assertEquals(new java.text.DecimalFormat("#.##").format(re_yg), ac_yg);
        Assert.assertEquals(new java.text.DecimalFormat("#.##").format(re_rg), ac_rg);
        
        Reporter.log(pd+","+ct+",测试通过");
    }
}