如何抛出自定义的异常，而不是Selenium中的NoSuchElementException [英] How to throw custom exception instead of NoSuchElementException in selenium

问题描述

我希望抛出一个自定义的错误消息在selenium中，当一个元素的xpath没有找到
我创建了一个类

  package NewPackage; 
 
 public class ExplicitAssertionError extends AssertionError {
 private static final long serialVersionUID = 1L; 
 public ExplicitAssertionError（String msg）{
 super（msg）; 
 
 
 
 
 $ b我写了这样的代码来测试一个页面 
 
 
  public class ResultPage扩展WDBase {
 public void assertTravelNamePresent（final String busName）{
 final String xpath = //div[@class='company'][contains(.,'\"+busName+'）]; 
 if（！driver.findElement（By.xpath（xpath））。isDisplayed（））{
 throw new ExplicitAssertionError（invalid text found）; 
 
 
 
 
 
 $ b这里当一个无效的文本是传递的是与页面的xpath不匹配的NoSuchElementException，而不是错误消息。 
也可以给任何人提供一个解决方案失败的情况下使用assertTrue / False的情况下，找不到元素
谢谢
解决方案
使用 findElements（）方法并检查长度： 
 
 
  if（driver.findElements（By.xpath（xpath））。size（）== 0）{
 throw new ExplicitAssertionError（element not found）; 
} 
  
 
I wish to throw a custom error message in selenium when an element's xpath is not found
I have created a class
package NewPackage;

public class ExplicitAssertionError extends AssertionError {
    private static final long serialVersionUID = 1L;
    public ExplicitAssertionError (String msg) {
        super(msg);
    }
}
I have written code like this for testing a page
public class ResultPage extends WDBase {
    public void assertTravelNamePresent(final String busName) {
        final String xpath="//div[@class='company'][contains(.,'"+busName+"')]";
        if (!driver.findElement(By.xpath(xpath)).isDisplayed()) {
                throw new ExplicitAssertionError("invalid text found");
        }
    }
}
Here when an invalid text is passed that is which is not matching with xpath of page NoSuchElementException is thrown instead of an error message.
Also can anyone provide me a solution to fail a test case using assertTrue/False in cases where element is not found
Thanks 
解决方案
Use findElements() method and check the length:
if (driver.findElements(By.xpath(xpath)).size() == 0) {
    throw new ExplicitAssertionError("element not found");
}


                        
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