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Cypress – Cross-Origin support – yay 🙌

by January 9, 2023

Crossing origins is super common with sites that use third-party authentication, for example. Before, you would have to use programmatic authentication in Cypress tests, but this wasn’t indicative of how a real person would use the app. Now with cross-origin support, you no longer need to work around your login flow:

Due to how Cypress executes your tests in a browser, visiting another site was a huge technical hurdle due to cross-origin security limitations.

In Cypress 12  cy.session() included, which support out of experimental and into general availability status. Session support can tie closely with cross-origin in that you can save a user session (storage, cookies, etc.) after authentication and restore it in a subsequent test. This cuts down on overall test suite execution time as each test won’t need to go through the authentication flow.

Sample Code:

it(‘user should be able to login’, () => {

cy.visit(‘https://localhost:3000/‘);

// clicking sign in button redirects to 3rd party auth site

cy.get(‘#sign-in’).click();

cy.origin(‘auth.securewebsite.com‘, () => {

cy.get(‘input[type=”email”]’).type(‘‘); cy.get(‘input[type=”password”]’).type(‘testpassword’, { log: false }); // clicking submit does the auth and redirects back to main site cy.get(‘input[type=”submit”]’).click();

});

// once done testing can continue

cy.contains(`Welcome Tester McTester!`); });

Read more at Cross-Origin-Testing 

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