One of the areas that is often misunderstood but very important in framework design is exception handling. Users must program into their tests and methods how to handle exceptions that might occur in tests, including those that are thrown by applications themselves, and those that occur using the Selenium WebDriver API.
Let's talk about the different kinds of exceptions that users must account for, specifically:
- Implicit exceptions: Implicit exceptions are internal exceptions raised by the API method when a certain condition is not met, such as an illegal index of an array, null pointer, file not found, or something unexpected occurring at runtime.
- Explicit exceptions: Explicit exceptions are thrown by the user to transfer control out of the current method, and to another event handler when certain conditions are not met, such as an object is not found on the page, a test verification fails, or something expected as a known...