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Introduction and Architecture : Cypress is a next-generation front end testing tool constructed for modern web applications. Most testing tools ( like Selenium) operate by running outside of the browser and executing remote commands across the network. But the Cypress engine directly operates inside the browser. It enables Cypress to listen and modify the browser behavior at run time by manipulating DOM and altering Network requests and responses on the fly. Cypress Tutorial
Cypress Hooks: During the development of any automation framework, one of the key concepts is handling the pre and post conditions for a test case or test suite. There can be multiple situations where a specific action needs to be performed before/after either each test case or before/after all the test cases in the test suite. Cypress also provides Hooks which help in performing a particular set of actions just before/after each test case or before/after all the test cases in the test suite.
Locator in Cypress: Locators are the backbone for all automation frameworks for Web-based applications. Additionally, a locator is an identifier that tells any automation tool that GUI elements ( say Text Box, Buttons, Check Boxes, etc. ); it needs to operate.
Cypress Asynchronous Nature: Asynchronous programming is a means of parallel programming whereby, a unit of work runs separately from the main application thread. Additionally, it notifies the calling thread of its completion, failure, or progress. These types of programs are “ non-blocking.”.
These types of programs are “ non-blocking.”. When you execute something synchronously, you wait for it to finish before moving on to another task. On the other hand, when you run something asynchronously, you can move on to another task before it ends.
But it also provides an added functionality that you can define a command of your own. These commands are Cypress custom commands. Page Object Pattern in Cypress: Designing an effective test automation framework is an art.
Cypress is built and optimized as a tool for local development. In fact, after using Cypress for some time, you may be tempted to do all of your development within it since it provides a platform to quickly debug and maintain your code easily.