Recipes
Recipes show you how to test common scenarios in Cypress.
https://github.com/cypress-io/cypress-example-recipesFundamentals
| Recipe | Description |
|---|---|
| Node Modules | Import your own Node modules |
| Environment variables | Passing environment variables to tests |
| Handling errors | Handling thrown errors and unhandled promise rejections |
| Dynamic tests | Create tests dynamically from JSON data |
| Dynamic tests from CSV | Create tests dynamically from CSV file |
| Dynamic tests from API | Create tests dynamically by calling an external API |
| Fixtures | Loading single or multiple fixtures |
| Adding Custom Commands | Write your own custom commands using JavaScript with correct types for IntelliSense to work |
| Adding Custom Commands (TS) | Write your own custom commands using TypeScript |
| Adding Chai Assertions | Add new or custom chai assertions |
| Cypress module API | Run Cypress via its module API |
| Wrapping Cypress module API | Writing a wrapper around "cypress run" command line parsing |
| Custom browsers | Control which browsers the project can use, or even add a custom browser into the list |
| Use Chrome Remote Interface | Use Chrome debugger protocol to trigger hover state and print media style |
| Out-of-the-box TypeScript | Write tests in TypeScript without setting up preprocessors |
| Per-test timeout | Fail a test if it runs longer than the specified time limit |
| Cypress events | Using Cypress.on and cy.on to listen to Cypress events like before:window:load |
| Video resolution | Increase the browser window size to record high quality videos and capture detailed screenshots |
Testing the DOM
| Recipe | Description |
|---|---|
| Tab Handling and Links | Links that open in a new tab |
| Hover and Hidden Elements | Test hidden elements requiring hover |
| Form Interactions | Test form elements like input type range |
| Drag and Drop | Use .trigger() to test drag and drop |
| Shadow DOM | Test elements within shadow DOM |
| Waiting for static resource | Shows how to wait for CSS, image, or any other static resource to load |
| CSV load and table test | Loads CSV file and compares objects against cells in a table |
| Evaluate performance metrics | Utilize Cypress to monitor a website |
| Root style | Trigger input color change that modifies CSS variable |
| Select widgets | Working with <select> elements and Select2 widgets |
| Lit Elements | Testing Lit Elements with Shadow DOM |
| File download | Download and validate CSV, Excel, text, Zip, and image files |
| Page reloads | Avoiding while loop when dealing with randomness |
| Pagination | Clicking the "Next" link until we reach the last page |
| Clipboard | Copy and paste text into the clipboard from the test |
Logging In
| Recipe | Description |
|---|---|
| Basic Auth | Log in using Basic Authentication |
| Single Sign On | Log in across multiple servers or providers |
| HTML Web Forms | Log in with a basic HTML form |
| XHR Web Forms | Log in using an XHR |
| CSRF Tokens | Log in with a required CSRF token |
| Json Web Tokens | Log in using JWT |
| Using application code | Log in by calling the application code |
Also see Authentication plugins and watch Organizing Tests, Logging In, Controlling State
Preprocessors
| Recipe | Description |
|---|---|
| Grep tests | Filter tests by name using Mocha-like grep syntax |
| Typescript with Browserify | Add typescript support with browserify |
| Typescript with Webpack | Add typescript support with webpack |
| Flow with Browserify | Add flow support with Browserify |
Blogs
Demo recipes from the blog posts at Cypress blog.
| Recipe | Description |
|---|---|
| Application Actions | Application actions are a replacement for Page Objects |
| Direct Control of AngularJS | Bypass the DOM and control AngularJS |
| E2E API Testing | Run your API Tests with a GUI |
| E2E Snapshots | End-to-End Snapshot Testing |
| Element Coverage | Track elements covered by tests |
| Codepen.io Testing | Test a HyperApp Codepen demo |
| Testing Redux Store | Test an application that uses central Redux data store |
| Vue + Vuex + REST Testing | Test an application that uses central Vuex data store |
| A11y Testing | Accessibility testing with cypress-axe |
| Automate Angular Testing | Automate Angular Testing |
| React DevTools | Loads React DevTools Chrome extension automatically |
| Expect N assertions | How to expect a certain number of assertions in a test |
| Browser notifications | How to test application that uses Notification |
| Testing iframes | Accessing elements in 3rd party iframe, spy and stub network calls from iframe |
| Class decorators | Using JavaScript class decorator to expose objects created by the application so they are reachable from tests |
| Form Submit | Removing flake from the test where a page is reloaded after form submission |
| Using Day.js instead of Moment.js | Using day.js library instead of the deprecated Cypress.moment |
Stubbing and spying
| Recipe | Description |
|---|---|
| Stubbing Functions | Use cy.stub() to test function calls |
Stubbing window.fetch | Use cy.stub() to control fetch requests |
Stubbing usingcy.intercept | Control network using cy.intercept API |
Stubbing window.open and console.log | Use cy.stub() and cy.spy() to test application behavior |
Stubbing window.print | Use cy.stub() to test window.print call made from the application |
| Stubbing Google Analytics | Use cy.stub() and cy.intercept() to test Google Analytics calls |
Stub methods called on console | Use cy.stub() to test and control methods called on console |
| Stub resource loading | Use MutationObserver to stub resource loading like img tags |
Stub navigator.cookieEnabled property | Use cy.stub() to mock the navigator.cookieEnabled property |
Unit Testing
| Recipe | Description |
|---|---|
| Application Code | Import and test your own application code |
Note: looking for the React/Vue component testing recipes? Read the Introducing the Cypress Component Test Runner– new in 7.0.0 blog post.
Server Communication
| Recipe | Description |
|---|---|
| Bootstrapping your App | Seed your application with test data |
| Seeding your Database in Node | Seed your database with test data |
| XHR assertions | Spy and assert on application's network calls |
| Visiting 2nd domain | Visiting two different domains from two different tests and passing value from one test to another |
| Pass value between specs | Pass a value from spec to spec using cy.task |
| Stream test results | Streams each test result from the browser to the plugins to an external process via IPC |
| Offline | Test web application when the network is offline |
| Server timing | Report server timing results from Cypress test |
| Wait for API | Call the backend using cy.request until it responds |
| Making HTTP requests | How to use cy.request, window.fetch, and cy.task commands to make HTTP requests to the server with and without cookies |
Other Cypress Recipes
| Recipe | Description |
|---|---|
| Visual Testing | Official Cypress guide to visual testing |
| Code Coverage | Official Cypress guide to code coverage |
| Detect Page Reload | How to detect from Cypress test when a page reloads using object property assertions |
| Run in Docker | Run Cypress with a single Docker command |
| SSR E2E | End-to-end Testing for Server-Side Rendered Pages |
| Using TS aliases | Using TypeScript aliases in Cypress tests |
| Stub Navigator API | Stub navigator API in end-to-end tests |
| Readable Cypress.io tests | How to write readable tests using custom commands and custom Chai assertions |
| Conditional Parallelization | Run Cypress in parallel mode on CircleCI depending on environment variables |
.should() Callback | Examples of .should(cb) assertions |
| React component testing | Create a React component using JSX and inject it into live application from a Cypress test |
| Unit testing Vuex data store | Complete walkthrough for anyone trying to unit test a data store |
| Triple Tested Static Site | How to test static sites three times before and after deployment to GitHub pages |
Community Recipes
| Recipe | Description |
|---|---|
| Visual Regression Testing | Adding visual regression testing to Cypress |
| Code coverage | Cypress with Coverage reports |
| Cucumber | Example usage of Cypress with Cucumber |
| Jest | Example for the jest-runner-cypress |