What are the benefits of using batch/atomic operations with Selenium RemoteWebDriver?

When examining the source code of the RemoteWebDriver, I noticed that every operation, such as retrieving text from a newly acquired WebElement, involves sending a separate command to the browser. This raises concerns for me, especially in a highly dynamic JavaScript web application where this process could lead to inconsistent reads and random exceptions.

I am curious about how Selenium manages calls synchronized with the JavaScript event queue on the page. If these calls are not synchronized, is there any method available to perform multiple Selenium calls in a batch, transaction, or atomic operation without having to insert extensive blocks of custom JavaScript code?

Answer №1

While Selenium lacks built-in capabilities to ensure atomic operations or transactions, it is essential for developers to handle potential failures proactively. For example, a click operation can fail if the targeted element moves during the operation.

To mitigate issues, developers must:

  1. Wait for stable UI conditions before interacting with elements. This includes checking for indicators like pop-up banners in Datatables to ensure data accuracy.

  2. Detect and recover from bad states, such as handling StaleElementReferenceException when an element is refreshed mid-operation. By catching and reattempting failed actions, developers can improve test reliability.

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