Async webdriverjs
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Embrace The Native Async Nature Of JavaScript In WebDriverJS Selenium Conference Austin 2017
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Async webdriverjs
- 3. • •
- 5. HOW MANY USE JAVASCRIPT FOR TESTING ?
- 11. CONTINUATION PASSING OR PYRAMID OF DOOM
- 13. VERBOSE
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- 17. WebdriverJs with Promise Manager Equivalent Java code
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- 27. Yield blocks until execution is done.
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- 33. • • • • • •
- 34. • • PROMISE.USE_PROMISE_MANAGER = FALSE • •
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- 37. •
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- 42. Untouched for 3 years now Long! Long !! Ago!!!…...
- 44. • https://github.com/SeleniumHQ/selenium/blob/master/javascript/node/selenium- webdriver/example/async_await_test.js • https://github.com/tourdedave/elemental-selenium-tips/ • https://github.com/airware/webdriver-mocha-async-await-example
Notas del editor
- 1060723.5 => Monthly
- Instead of using continuation passing, WebDriverJS uses "promises" to track the state of each operation
- Even for such a simple example - longer scripts could easily get out of hand. In order to provide an API that cleanly handles asynchronous actions without impeding readability,
- ControlFlow allows users to focus on the imperative commands for their script without worrying about chaining together every single asynchronous action, which can be tedious and verbose
- A task queue contains all of the tasks scheduled within a single turn of the JavaScript event loop. The control flow will create a new task queue the first time a task is scheduled within an event loop.
- Promise Manager expose then and done
- ONE THING TO NOTICE IS THAT WE STILL HAVE TO USE SELENIUM-WEBDRIVER TESTING MODULE
- Upload Test, Cookie Test, Frame test.
- Await helps readability and/or debuggability. Even without the promise manager, there are a few parts in the API that smooth over the async bits so you don't have to handle every promise. Mainly this is when creating/fetching a WebDriver, WebElement, or Alert instance.
- Return HTTP status code of the baseURL of your app.
- WebdriverIO user run their tests synchronously .. it makes things so much easier. Also most of the WebdriverIO user use the wdio testrunner to scale their tests. Make sure sync: false in the config