How can I test asynchronous Vue components with Cypress?

How can I test asynchronous Vue components with Cypress?

You can test asynchronous Vue components in Cypress by using the cy.wait() command to wait for API responses or other async actions.

Can you give me an example of a test case for that?

Sure! You can write a test like this:

it('fetches data asynchronously', () => {
  cy.intercept('GET', '/api/data', { fixture: 'data.json' }).as('getData');
  cy.visit('/your-component');
  cy.wait('@getData');
  cy.get('.data-element').should('contain', 'Expected Data');
});

What if I need to test a loading state?

You can test the loading state by checking for a loading spinner or message before the data is loaded. For example:

it('shows loading state', () => {
  cy.visit('/your-component');
  cy.get('.loading-spinner').should('be.visible');
  cy.wait('@getData');
  cy.get('.loading-spinner').should('not.exist');
});