Friday 22 May 2020

Difference between isDisplayed() Vs isEnabled() Vs isSelected() | WebElement Interface methods in selinium

Hi, In this post, we will see the differences between WebElement interface most commonly used methods - isDisplayed(), isEnabled() and isSelected() with real time example scenarios.


Let's look into each of them.

Image and test site courtesy : https://www.testandquiz.com/selenium/testing.html

isDisplayed() 

  • To verify presence of a web-element with in the web page. 
  • This method returns either true or false boolean values. 
  • If the element is present it returns "true" otherwise it returns "false". 
  • This method avoids the problem of having to parse an element's "style" attribute.
  • This method can be applicable for almost all of the elements on web-page.
Example:  
HTML for : Sample
<b xpath="1">This is sample text.</b>

Selenium snippet
//isDisplayed() | Text on web page | Example : This is sample text.
WebElement ThisIsSimpleText = driver.findElement(By.xpath("//b[contains(text(),'This is sample text.')]"));
boolean b1 = ThisIsSimpleText.isDisplayed();
System.out.println("Verify dispaly status of the text \"This is sample Text\"="+b1);

isEnabled()

It has some special purpose of verifying elements such as buttons enabled or disabled status.
  • To verify if an element is enabled or disabled on web-page. 
  • Returns "ture" if element is enabled and returns "false" if an element is disabled. 
  • Examples: Mostly used with button elements, locked/disabled text input elements. 
Example :
Refer this post for detailed example for isEnabled

    isSelected() 

    • Returns whether an element say check box or radio button is selected or not. 
    • If selected returns "true", if not selected returns "false". 
    • Examples: Check boxes, drop downs , radio buttons
    Example:
    HTML
    <input id="male" type="radio" name="gender" value="male" xpath="1">
    
      Selenium snippet
      //isSelected()  | Example :  male radio button
      WebElement maleRaditoButton = driver.findElement(By.xpath("//input[@id='male']"));
      boolean b2 = maleRaditoButton.isSelected(); //false
      System.out.println("Verify male radio button selected or not before click = "+b2); 
      //select the male radio button and verify isSelected()
      maleRaditoButton.click();
      boolean b3 = maleRaditoButton.isSelected(); //true
      System.out.println("Verify male radio button selected or not after click = "+b3);
      

      Checkout this video tutorial to understand the example below

      WebElementInterfaceMethods_isDisplayedisSelectedDemo.java
      package selenium.webelement.methods;
      
      /* isDisplayed() , and isSelected() */
      
      import java.util.concurrent.TimeUnit;
      
      import org.openqa.selenium.By;
      import org.openqa.selenium.PageLoadStrategy;
      import org.openqa.selenium.WebDriver;
      import org.openqa.selenium.WebElement;
      import org.openqa.selenium.chrome.ChromeDriver;
      import org.openqa.selenium.chrome.ChromeDriverService;
      import org.openqa.selenium.chrome.ChromeOptions;
      
      public class WebElementInterfaceMethods_isDisplayedisSelectedDemo {
      
       public static void main(String[] args)  {
        
        WebDriver driver;
        
        //loading Chrome driver from physical drive
        System.setProperty("webdriver.chrome.driver", "D:\\006_trainings\\chromedriver.exe");
        
        System.setProperty("webdriver.chrome.silentOutput", "true");
        //System.setProperty(ChromeDriverService.CHROME_DRIVER_SILENT_OUTPUT_PROPERTY, "true");
        
        //launch the browser
        driver = new ChromeDriver();
        
        //navigate to site
        driver.navigate().to("https://www.testandquiz.com/selenium/testing.html");
        
        //maximize the browser
        driver.manage().window().maximize();
        
        //isDisplayed() | Text on web page | Example : This is sample text.
        WebElement ThisIsSimpleText = driver.findElement(By.xpath("//b[contains(text(),'This is sample text.')]"));
        boolean b1 = ThisIsSimpleText.isDisplayed();
        System.out.println("Verify dispaly status of the text \"This is sample Text\"="+b1);
      
        //isSelected()  | Example :  male radio button
        WebElement maleRaditoButton = driver.findElement(By.xpath("//input[@id='male']"));
        boolean b2 = maleRaditoButton.isSelected();
        System.out.println("Verify male radio button selected or not before click = "+b2);
        
        //select the male radio button and verify isSelected()
        maleRaditoButton.click();
        boolean b3 = maleRaditoButton.isSelected();
        System.out.println("Verify male radio button selected or not after click = "+b3);
        
        
        //close the browser
        driver.close();
        
        //close all the browsers opened by WebDriver during execution and quit the session
        driver.quit();
       }
      }
      


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