How to use InvalidArgumentException class of org.openqa.selenium package

Best Selenium code snippet using org.openqa.selenium.InvalidArgumentException

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InvalidArgumentException org.openqa.selenium.InvalidArgumentException

The WebDriver error - invalid argument error, arises when invalid arguments are passed to a command.

The InvalidArgument error is somewhat similar to a TypeError in JavaScript, as both errors can occur for various APIs when the input value is not of the expected type, or is distorted in some way. Look at the type and bounds constraints for every WebDriver command.

Example

For instance, we cannot set the window size to a negative value:

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1 2from selenium import webdriver 3 4from selenium.common import exceptions 5 6session = webdriver.Firefox() 7 8try: 9 10session.set_window_size(-100, 0) 11 12except exceptions.InvalidArgumentException as e: 13 14print(e.message) 15

Output:

InvalidArgumentException: Expected -100 to be >= 0

Solutions

  • Check for input values
  • Upgrade the selenium driver versions to avoid compatibility issues with commands

Code Snippets

Here are code snippets that can help you understand more how developers are using

Source:WebDriverFactory.java Github

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Source:OpenBrowser.java Github

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Most used methods in InvalidArgumentException

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