How to Test Carousel Rotation with Selenium Webdriver?

Some websites have carousel with rotating things within the list. during this webdriver tutorial we glance at a way to take a look at and verify carousel rotation with webdriver.For this tutorial, we have a tendency to are getting to use amazon.com to demonstrate the testing of carousel.
When we click on the arrows, the content of the carousel changes then we are able to verify that the text of the things have modified.

Each part is AN item of the carousel, thus we want to induce the text (item’s name) of every item.
var wait = new WebDriverWait(Driver.Instance, TimeSpan.FromSeconds(10));
wait.until(ExpectedConditions.invisibilityOfElementLocated(By.id("processing")));
The idea is to wait until element is not visible. First line sets wait time that element has to disappear; here it's 10 seconds. Second line uses selenium to check if condition "invisibilityofElementLocated" is met. Element is found by its id as in topic case, that is id="processing". If element doesn't disappear in the requested period of time, a Timeout exception will be raised and the test will fail.
Use invisibility method, and here is an example usage.

final public static boolean waitForElToBeRemove(WebDriver driver, final By by) {
    try {
        driver.manage().timeouts()
                .implicitlyWait(0, TimeUnit.SECONDS);

        WebDriverWait wait = new WebDriverWait(UITestBase.driver,
                DEFAULT_TIMEOUT);

        boolean present = wait
                .ignoring(StaleElementReferenceException.class)
                .ignoring(NoSuchElementException.class)
                .until(ExpectedConditions.invisibilityOfElementLocated(by));

        return present;
    } catch (Exception e) {
        return false;
    } finally {
        driver.manage().timeouts()
                .implicitlyWait(DEFAULT_TIMEOUT, TimeUnit.SECONDS);
    }
}

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