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Why do we declare WebDriver as static?
Every instance of the class shares a class variable, which is in one fixed location in memory. The advantages they get from static WebDriver is that they do not need to declare and initialize local WebDriver instances in multiple classes to keep same reference and can access WebDriver value from a single place.
Can we declare WebDriver as static?
4 Answers. As you stated, you can use a static driver, but, yes, you are risking a shared memory issue if you do any parallelization directly at the test code level. I’ve avoided using a static driver for just this reason, it’s bad design for a test suite that may grow into parallelization.
What is a static driver?
Static driver is mapped to a particular HW instance of the peripheral. Ex: If you use 4 SPI interfaces, you basically have 4 copies of the static driver, each of them talking to individual specific interface.
Why is WebDriver private?
Declaring it “private” means it is only accessible from within the current class. There is also “protected”, which means it can be access from subclasses, and “blank”, which is also called “package private”, which means it can be accessed from any class in the same declared package.
How to declare static WebDriver driver in selenium?
public static WebDriver driver; This variable is declared in a class (DriverInit) and initialized in “@BeforeClass” of various Test Plans (Test Classes). The initialized variable (driver) will be used across the project in various re-usable functions and @test methods. Driver will be closed/quit at the @QAfterClass
Why is WebDriver instance declared static in Page Object Model?
In general static fields is a sort of thing which I would not recommend to use unless you have a good understanding of language concept since they might increase the risks of everything will go wrong, especially in multi-threaded use-cases. Using static will make the scope class level, else the scope will be the object level.
How to inherit WebDriver throughout your page object classes?
Instead, you can use inheritance. My preferred approach is to create a base test class which defines a WebDriver object, instantiates it, and then sets it in a base page. Subsequent page classes then inherit from the base page, thus automatically having access to the driver.
How is the Page Object Model in selenium made easy?
All possible user interactions can then be implemented as methods on the class: Since well-named methods in classes are easy to read, this works as an elegant way to implement test routines that are both readable and easier to maintain or update in the future.