如何检查 UI 事件（例如单击按钮）后是否发生刷新页面事件

得到以下代码：

 driver.findElement(By.id("input_search")).click();
 driver.findElement(By.id("input_search")).clear();
 if(lower3 == true){
    //read a line from a doc 
    document_path = "C:\\MyProject\\src\\harness\\lower_than_3" 
    FileInputStream fis = new FileInputStream(document_path);  
    BufferedReader br = new BufferedReader(new InputStreamReader(fis));         
    while((line = br.readLine()) != null){
        //line is inserted into search field
        driver.findElement(By.id("input_search")).sendKeys(line);
        Thread.sleep(100);     

       //press search button- page should NOT refresh if string length for search is lower than three, NO search is performed
       driver.findElement(By.cssSelector("div.btn-img.submit")).click();

       //ASSERT OR VERIFY IF PAGE IS RELOADED OR NOT AFTER CLICK ON SEARCH BUTTON
       NEED HELP         
    }
    br.close();   
 }

执行搜索后，单击搜索按钮（代码区域第 15 行），我想检查是否发生页面刷新事件。我不想刷新页面（有很多这样的例子:)）我只是想检查页面是否刷新

您可以使用其中任何一个来解决您的目的：

解决方案一： 执行搜索操作后验证元素。

driver.findElement(By.id("input_search")).clear();
driver.findElement(By.id("input_search")).click();

//here write code to wait for an element available on search result page

try{
if(driver.findElement(By.id("search result page element")).isDisplayed() == true){
System.out.println("Search successful");
} catch (NoSuchElementFound ee){System.out.println("Search not successful");}

解决方案2： 使用 java 脚本执行搜索操作后检查页面是否已加载。

driver.findElement(By.id("input_search")).clear();
driver.findElement(By.id("input_search")).click();

//here write code to wait for sometime around 10-20 seconds

JavascriptExecutor jsExecutor = (JavascriptExecutor)driver;
String s = (String) jsExecutor.executeScript("var s1 = 'Search successful'; var s2 = 'Search not successful'; if(document.readyState === 'complete'){return s1;} else {return s2;}");

两个代码片段都经过 Google 测试。