org.openqa.selenium.NoSuchElementException:否这样的元素:无法在硒中找到元素,使用TestNG的Java

问题描述 投票:0回答:2

我有一种情况,页面将我带到显示有未启用该功能的消息的屏幕。因此你在这里。然后,我需要导航到设置页面并必须启用它并重新加载表单以验证Web元素。

最初,一切正常,第二次运行代码。我没有遇到这样的元素异常。因为该设置最初是被禁用的,所以已通过自动脚本启用了该设置,现在已启用,我可以看到表单元素。仅当找到该元素时,我才必须执行系统设置代码,否则我必须跳过该代码。

我尝试下面的方式,但是仍然找不到这样的元素错误

if(driver.findElement(By.id("ViewErrorMessage")) != null) {

      String errorMsg = driver.findElement(By.xpath("//*[@id=\"ctl00_pnlViewErrorMessage\"]")).getText();
  Assert.assertEquals(errorMsg, "Form is disabled, Hence you are here. Enable the form");

      //system setting code

      driver.findElement(By.xpath("//input[@name='btnSignin']")).click();
      Thread.sleep(2000);
      driver.findElement(By.xpath("//img[@id='imgLogo']")).isDisplayed();
}else{

  //code to verify form elements goes here..
}

在if条件下报告错误。当找不到元素时,我假设它必须执行else循环,但总是在同一点失败。谁能帮忙。

java selenium testng
2个回答
0
投票

当驱动程序找不到元素时,它将引发NoSuchElementFound异常。您可以将findElement包裹在try catch中以查看元素是否存在,或使用isEmpty方法。

boolean isElementPresent=true;
try
{
   driver.findElement(By.id("ViewErrorMessage"));
}
catch
{
  isElementPresent=false;
}

if(isElementPresent) {

      String errorMsg = driver.findElement(By.xpath("//*[@id=\"ctl00_pnlViewErrorMessage\"]")).getText();
  Assert.assertEquals(errorMsg, "Form is disabled, Hence you are here. Enable the form");

      //system setting code

      driver.findElement(By.xpath("//input[@name='btnSignin']")).click();
      Thread.sleep(2000);
      driver.findElement(By.xpath("//img[@id='imgLogo']")).isDisplayed();
}else{

  //code to verify form elements goes here..
}

或者你可以喜欢

if(!driver.findElements(By.id("ViewErrorMessage")).isEmpty()) {

      String errorMsg = driver.findElement(By.xpath("//*[@id=\"ctl00_pnlViewErrorMessage\"]")).getText();
  Assert.assertEquals(errorMsg, "Form is disabled, Hence you are here. Enable the form");

      //system setting code

      driver.findElement(By.xpath("//input[@name='btnSignin']")).click();
      Thread.sleep(2000);
      driver.findElement(By.xpath("//img[@id='imgLogo']")).isDisplayed();
}else{

  //code to verify form elements goes here..
}

0
投票

请尝试在条件中显示isDisplayed,希望这会有所帮助:

if(driver.findElement(By.id("ViewErrorMessage").isDisplayed()) {

      String errorMsg = driver.findElement(By.xpath("//*[@id=\"ctl00_pnlViewErrorMessage\"]")).getText();
  Assert.assertEquals(errorMsg, "Form is disabled, Hence you are here. Enable the form");

      //system setting code

      driver.findElement(By.xpath("//input[@name='btnSignin']")).click();
      Thread.sleep(2000);
      driver.findElement(By.xpath("//img[@id='imgLogo']")).isDisplayed();
}else{

  //code to verify form elements goes here..
}

或在下面使用

String s1 = "Error message";
String s2 = driver.findElement(By.id("ViewErrorMessage").getText());
if(s1 == s2) {

          String errorMsg = driver.findElement(By.xpath("//*[@id=\"ctl00_pnlViewErrorMessage\"]")).getText();
      Assert.assertEquals(errorMsg, "Form is disabled, Hence you are here. Enable the form");

          //system setting code

          driver.findElement(By.xpath("//input[@name='btnSignin']")).click();
          Thread.sleep(2000);
          driver.findElement(By.xpath("//img[@id='imgLogo']")).isDisplayed();
    }else{

      //code to verify form elements goes here..
    }
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