Basics of Cypress One Needs to Know!

Cypress is a free and open-source automation tool with built-in JavaScript and distributed under the MIT license. It has over 19.3K stars on Github as of this writing and is utilized by organizations such as NASA and DHL. Integration and unit tests are simple to design and debug using Cypress End to End test.

In addition to the test script runner, Cypress includes a visual interface that shows which tests and tasks are currently executing, passed, or failed. It enables us to test highly interactive applications and perform various tests such as manipulating the DOM, asserting that certain elements are available or present on the screen, reading or writing data into/from fields, submitting forms, and even redirecting to a different page without modifying your code directly.

Cypress is designed and optimized for use in local development environments. After using Cypress for a while, you might be tempted to use it for all of your development since it provides a platform for fast debugging and maintaining your code.

Basics of Cypress Tutorial:

Introduction and Architecture:

Most testing tools (such as Selenium) working by operating outside of the browser and check network instructions. It allows Cypress to listen in on browser activity and manipulate it in realtime by modifying the DOM and changing network requests and answers on the fly.

Cypress Test:

In the Cypress Workshop project, we’ll organise and write our test cases using the default folder structure offered by Cypress, and we’ll learn how to utilise Cypress using its simple test case.

Cypress testing also displays the application under test running in real-time. We will use Cypress to complete the construction of our first automated test case, which we will then execute using the Cypress Test Runner. We’ll also learn about the many components of Test Runner and how to use them with the terminal.

Install Visual Studio Code:

Install Visual Studio Code: Visual Studio Code comes with built-in support for JavaScript, TypeScript, and Node.js, as well as a large ecosystem of extensions for additional languages and runtimes (including C++, C#, Java, Python, PHP, and Go) (such as .NET and Unity).

Installing and configuring Node.js:

Installing and configuring Node.js: It’s open-source and completely free, and millions of developers use it throughout the world. It’s a programming environment. Additionally, it comes with everything you’ll need to execute a JavaScript programme. Before you begin developing your Node.js application, you must first install the Node JS framework.

Cypress installation and project setup.

The direct download will always get the most up-to-date version for your operating system. It will download a zip file, which the user may extract. npm may also be used to get it. It also demonstrates how to put up a basic package project. It comes with json and Cypress preinstalled. Tutorial on Cypress

Locators are the backbone of all automation frameworks in Cypress:

Cypress employs locators to identify the UI element for the application under test, following the same principles. Tutorial on Cypress

Get and Find Commands:

Get and Find Commands: Both of these strategies provide nearly similar outcomes. However, each has its own significance and implementation location. Following that, in this post, we’ll go through where the get() and find() methods may be utilised during web test automation with Cypress.

Asynchronous Cypress:

Asynchronous programming is a type of parallel programming in which a unit of work executes independently of the main application thread. It also informs the caller thread when it completes, fails, or progresses. These applications are referred to be “non-blocking.” You wait for something to finish before going on to the next job when you perform anything synchronously. When you execute anything asynchronously, on the other hand, you can move on to another activity before it finishes.

Non-Cypress async promises are handled as follows:

We know that Cypress handles the asynchronous behaviour of its instructions internally and nevertheless executes the test cases in a smooth, sequential, and consistent manner. Even yet, there may be times when we need to explicitly handle async promises or commands, such as when integrating Cypress instructions with third-party libraries or JavaScript commands. We’ll see how Cypress can assist explicitly manage these Non-Cypress Async Promises.

Assertions in Cypress:

These are validation processes that determine whether or not the provided step of the automated test case was successful. In reality, Assertions verify that your components, objects, or application under test are in the desired condition. Assertions, for example, allow you to check if an element is visible or has a specific attribute, CSS class, or condition. It is usually a good idea to include assertion procedures in all automated test cases; otherwise, it would be impossible to determine if the program has achieved the desired state or not. Tutorial on Cypress

Interacting with DOM Elements:

Each UI automation tool has APIs or methods for interacting with web elements, allowing the user to perform the desired action on the UI element. Additionally, these technologies aid in the necessary user trip modelling. Following suit, Cypress includes a number of instructions that may be used to emulate the user’s interaction with the application. We hope now the basics of cypress are clear and one can initiate the cypress testing process easily!

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