What is the command for waitforelementpresent in selenium 2.0

[NagaRaju dasam]

Hi All,

I am trying to use waitforelementpresent command in selenium2.0 ...what is the exact syntax for that?

Is there any API For selenium 2.0 like we have for seleniumRC??

--
Thanks,

Naga

http://testerinyou.blogspot.com/

[Mark Collin]

To copy/paste one of my previous posts, here is one way:

 

/**

     * Function to enable us to find out if an element exists or not.

     *

     * @author MPLC

     *

     * @param String An xpath locator

     * @return boolean True if element is found, otherwise false.

     * @throws Exception

     */

    public boolean isElementPresent(String xpathLocator) {

        return isElementPresent(xpathLocator, false, "", driver);

    }

 

/**

     * Function to enable us to find out if an element exists or not and display a custom message if not found.

     *

     * @author MPLC

     *

     * @param String An xpath locator

     * @param Boolean Display a custom message

     * @param String The custom message you want to display if the locator is not found

     * @param WebDriver the driver object to use to perform this element search

     * @return boolean True if element is found, otherwise false.

     * @throws Exception

     */

    public boolean isElementPresent(String xpathLocator, Boolean displayCustomMessage, String customMessage, WebDriver browserController) {

        try {

                browserController.findElement(By.xpath(xpathLocator));

        } catch (org.openqa.selenium.NoSuchElementException Ex) {

            if (displayCustomMessage) {

                if (!customMessage.equals("")) {

                    System.out.print(customMessage);

                }

            } else {

                System.out.println("Unable to locate Element: " + xpathLocator);

            }

            return false;

        }

        return true;

    }

 

 

/**

     * Will wait for an element to appear on the screen, or timeout.

     *

     * @author MPLC

     *

     * @param xPathLocator Xpath of the element you are waiting for

     * @param timeout time in ms to wait until returning a failure

     * @param interval time in ms to wait between checks

     * @return true if found, false if not

     * @throws Exception

     */

    public Boolean waitForElement(String xPathLocator, long timeout, long

interval) throws Exception {

        long start = System.currentTimeMillis();

        while (System.currentTimeMillis() - start < timeout) {

            Thread.sleep(interval);

            if (isElementPresent(xPathLocator, true, "")) {

                    if

(driver.findElement(By.xpath(xPathLocator)).isEnabled()) {

                        return true;

                    }

                }

        }

        System.err.println ("Timed out trying to locate Element: " + xPathLocator);

        return false;

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[Daniel Wagner-Hall]

Selenium already has the waiting logic implemented in
org.openqa.selenium.support.ui.WebDriverWait, you just need to pass a
condition:

public final class Element {
public static ExpectedCondition<WebElement> isPresent(final By by) {
return new ExpectedCondition<WebElement>() {
@Override
public WebElement apply(final WebDriver driver) {
return driver.findElement(by);
}
}
}
}

new WebDriverWait(driver, 3).until(Element.isPresent(By.id("foo")));

[tulsi.tester]

@Nagaraju Dasam

The relevant command for the waitForElementPresent is
selenium.isElementPresent();

[emereyd]

Daniel, thanks very much for the code snippet.
I tried that and it works a treat on FF, but on not on IE7. As soon
the the element i'm waiting for is present, my test fails with 'Unable
to find element' error.

I've tried it for a few different elements that don't immediatly load,
and have had the same result.

Suggestions/help?

E

[Saranya Madhusoodanan]

Hi,

You can declare & define a function 

 

public void waitForElementPresent(String element, int timeout) throws Exception {

for (int second = 0;; second++) {

if (second >= timeout)

fail("Timeout. Unable to find the Specified element" + element);

try {

if (selenium.isElementPresent(element))

break;

} catch (Exception e) {

}

Thread.sleep(1000);

}

}

 and call it with the element name & timeout (seconds)

eg: - waitForElementPresent("link=Department", 10);

--
Thanks & Regards,
Saranya M

[Saranya Madhusoodanan]

Hi...

That is why i used the above coding. In that there is a time delay for finding the element .  If u have time. Plz try it 

Thanks ,

Saranya M

[Saranya Madhusoodanan]

Hi,

Use of  selenium.isElementPresent(); is right, but here we have to catch the boolean value in a variable, then check if it is true, if so then follow a set of procedures, else print the element is not found.

E.g: 

Boolean eleValue= (selenium.isElementPresent("link=Department"));

if(eleValue==true)

{

.......

                        .......

}

else

                     System.out.println("not found");

   If we create a function using selenium.isElementPresent(); in the main class , we can call the function and can avoid repetition .It will also provide a time to check the element( in seconds)

Like :

public void waitForElementPresent(String element, int timeout) throws Exception {

for (int second = 0;; second++) {

if (second >= timeout)

fail("Timeout. Unable to find the Specified element" + element);

try {

if (selenium.isElementPresent(element))

break;

} catch (Exception e) {

}

Thread.sleep(1000);

}

}

--
Thanks & Regards,
Saranya Madhusoodanan

[poobathy r]

Saranya

      Thanks  It worked for WaitforTextPresent() also

---Poobathy

--

[Saranya Madhusoodanan]

Poobathy,

 :) .. K

--
Thanks,
Saranya Madhusoodanan

[poobathy r]

But You  have to Use try catch while calling the function otherwise it  might cause the Exception.......