How to run multiple tests in Cypress without closing browser?

In Cypress, there are several ways to run multiple tests without closing the browser. I will start with the most basic methods and provide specific examples to demonstrate how to achieve this.

1. Using the cypress run command By default, when you use the cypress run command, Cypress automatically runs all test files in the cypress/integration folder. The browser remains open until all tests are completed. For example:

   bash
   npx cypress run

   This command runs all test files once without manual intervention in between.

2. Configuring cypress.json In the cypress.json configuration file, you can specify particular test files to run by setting the appropriate file patterns in the testFiles property. For example, if you want to run all tests in the login folder, you can configure it as:

   json
   {
     "testFiles": "**/login/*.js"
   }

   This will execute all specified test files in a single run.

3. Organizing Tests with Test Suites When writing tests, you can group similar tests using the describe and context functions. This allows you to run only a specific group of tests without executing all tests. For example:

   javascript
   describe('User Login Flow', () => {
     it('should correctly fill in the username', () => {
       // Test content
     });
   
     it('should correctly fill in the password', () => {
       // Test content
     });
   });

   In the Cypress test runner, you can choose to run only the tests under "User Login Flow".

4. Running Specific Files or Tests via Command Line Cypress allows you to directly specify running a single file or a single test via the command line. This can be achieved by passing the file path or using the --spec parameter. For example:

   bash
   npx cypress run --spec "cypress/integration/login/loginTest.js"

   This command will run only the tests in the loginTest.js file.

The methods listed above provide several ways to run multiple tests in Cypress without closing the browser. They can be flexibly applied to meet various testing needs and scenarios.