如何在使用TestNG的数据驱动测试中解决methodmatcher异常？

Question

package testNG;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.openqa.selenium.By;
import org.openqa.selenium.OutputType;
import org.openqa.selenium.TakesScreenshot;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
import org.testng.Assert;
import org.testng.ITestResult;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;

public class Datadriven_testing_in_testNG
{
    public WebDriver driver;
@DataProvider(name="testData")
public  Object[][] readExcel() throws BiffException, IOException 
{

    File f=new File("C:\\Users\\Akshay\\Desktop\\SELENIUM\\Amazon.xls");
    Workbook readwb=Workbook.getWorkbook(f);
    Sheet readsht=readwb.getSheet(0);
    int noofrows=readsht.getRows();
    int noofcolumns=readsht.getColumns();
    String inputData[][]= new String[noofrows-1][noofcolumns];
    int count=0;
    for(int i=1;i<noofrows;i++)
    {
        for(int j=0;j<noofcolumns;j++)
        {
            Cell c=readsht.getCell(j,i);
            inputData[count][j]=c.getContents();
        }
        count++;

    }
    return inputData;


}
@Test(dataProvider="testData")
public static void  login(String uname, String password) throws InterruptedException
{



    //launch chrome
    System.setProperty("webdriver.chrome.driver","C:\\Users\\Akshay\\Desktop\\SELENIUM\\chromedriver.exe");
    WebDriver driver= new ChromeDriver();
    // navigate to url
    driver.get("https://www.amazon.in/");
    //click on sign in
    driver.findElement(By.xpath("(//span[text()='Sign in'])[3]")).click();
    Thread.sleep(5000);
    // to enter user name
    driver.findElement(By.xpath("//input[@name='email']")).sendKeys(uname);
    Thread.sleep(5000);
    //to click continue
    driver.findElement(By.xpath("//input[@id='ap_email']/following::*[9]")).click();
    Thread.sleep(5000);
    //to enter password
    driver.findElement(By.xpath("//input[@id='ap_password']")).sendKeys(password);
    Thread.sleep(5000);
    //to click login button
    driver.findElement(By.xpath("//input[@id='ap_password']/following::*[6]")).click();

   //verification
    String actual=driver.getCurrentUrl();
    String expected="https://www.amazon.in/ap/cvf/request?arb=19308965-aa56-4383-b19a-acc78826528b";
    Assert.assertEquals(actual, expected);
}
@AfterMethod
public void getResult(ITestResult testResult)
{
    System.out.println("Testcase name "+testResult.getName());
    System.out.println("Testcase Result "+testResult.getStatus());
    int status=testResult.getStatus();
    if(status==1){
        driver.close();
    }
    else{
        //take screenshot
        File outfile=((TakesScreenshot)driver).getScreenshotAs(OutputType.FILE);
        try {
            FileUtils.copyFile(outfile, new File("C:\\Users\\Akshay\\Desktop\\SELENIUM"+testResult.getParameters()[0]+"Defect.jpg"));
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    driver.close();
    }

    }

这是我编写的代码，但它显示了dataProvider不匹配错误。我试图搜索解决方案，但无法获得它的错误消息在控制台如下：

失败：登录org.testng.internal.reflect.MethodMatcherException：数据提供程序不匹配方法：登录([参数{index=0,Type=java.lang.String,DeclaredAnnotations=[]},参数{index=1,Type=java.lang.String,DeclaredAnnotations=[]}])参数：[(java.lang.String)[e-mail],(java.lang.String)GSaA2509,(java.lang.String)]（位于.privaterun（suiterunner.java:340)在org.testng.suiterunner.java:289)在org.testng.suiterunnerworker.runsuite（suiterunnerworker.java:52)在org.testng.suiter.run（suiterunnerworker.runsuite（suiterunnerworker.java:86)在org.testng.testng.runsuite（suiterunnerworker.runsuite（suiterunnerworker.runsuite）

Answer 1

在测试参数中不使用字符串uname和字符串password，而是使用对象uname和对象password，然后可以将该对象转换为字符串。