Interview Questions

What is Cypress?

Cypress is a free and open-source test automation tool for developing automated tests for your application. It operates in the same area as tools such as Selenium, but Cypress employs real browsers, allowing developers to create higher-quality tests (less false-negatives). Cypress captures screenshots and videos during the testing process, making it easier to debug test errors.

Which OS does cypress support?

Cypress is compatible with macOS, Linux, and Windows and can be installed on any of these platforms. Check out the system requirements here.

What browsers does cypress support?

Cypress is launched from the Test Runner and supports the following browsers: 
• Chrome 80 
• Edge 79 
• Edge Dev 81 
• Edge Canary 81 
• Edge Beta 80 
• Electron 78 
• Canary 82 
• Firefox 72 
• Firefox nightly 74
• Firefox dev edition 73

The supported browsers are displayed in the test runner’s upper left corner. The browser can be changed at any time by selecting the necessary options from the drop-down list.

What is the command used to run a browser in Cypress?

The Electron browser is pre-installed and comes with the tool by default.
Electron can be launched headlessly to run within the CLI.
The following command must be used to launch the Electron browser.

—headed cypress run

What are the advantages of Cypress?

There are numerous benefits to using cypress, but here are a few of the most intriguing.
• Real-time reloads 
• Debuggability
• Automatic waiting 
• OpenSource Tool 
• Quick response time 
 • Active community support 
• Real-time reloads 

How is Cypress different from the X testing tool?

Cypress test runner functions as an application, framework, and service all in one. It complements and improves the performance of other available testing tools.
The other tools are:
• Mocha 
• Karma 
• Capybara 
• Protractor are the other tools.

What languages does Cypress support?

If you are familiar with JavaScript and the NPM package manager for JavaScript, Cypress is simple to use.

What is automation in Cypress?

Cypress automation is the process of running a test code alongside an application with the assistance of a user. The test is run not only in a single loop, but also in a single browser. For tasks that take place outside of the browser, a Node.js server is used.

What are the other tools used along with Cypress?

Prettier is recommended for code formatting, and other tools such as Xpath, Cucumber, and Docker are used during product testing.

Does Cypress support native mobile apps?

Cypress does not support native mobile apps, but it can be tested for some mobile browser functionality and apps that are used within a browser. Ionic is one of these supported frameworks.

What is Cypress Studio?

Cypress Studio, according to, is used to generate tests within the test runner. It is obtained by recording interactions with the application under test. It is a test feature that can be enabled by using the experimentalstudio attributes.

What is component testing in cypress?

In Cypress, component testing is used to run tests on a single component in isolation. Typically, these component tests are carried out using Node.js frameworks for testing, such as jest or mocha. The components to be tested are displayed in jsdom, a virtual browser.

What is the use of plugins in Cypress?

Cypress plugins are used to change, access, or extend the internal behaviour of a Cypress tool. These plugins are used to write custom code that runs at various stages of the lifecycle.

What are the 3rd party reporters built alongside Mocha?

There are two reporters built alongside Mocha, and they are:
• Teamcity \s• Junit

Explain Cypress CLI?

Cypress is a command-line tool (CLI). It acts as a gateway for cypress commands in your terminal. However, the use of cypress is not required. You can also run Cypress tests in your browser by opening Cypress’ webpack monitor.

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