Headless mode in Cypress - Test Execution Trace

Test Overview

This test runs a simple check on a webpage's title using Cypress in headless mode. It verifies that the page title matches the expected text without opening a visible browser window.

Test Code - Cypress

Cypress

describe('Headless Mode Test', () => {
  it('checks the page title', () => {
    cy.visit('https://example.cypress.io')
    cy.title().should('eq', 'Kitchen Sink')
  })
})

Execution Trace - 5 Steps

Step	Action	System State	Assertion	Result
1	Test starts	Test runner initializes in headless mode, no browser window visible	-	PASS
2	Cypress visits 'https://example.cypress.io'	Headless browser navigates to the URL	-	PASS
3	Cypress gets the page title	Page loaded in headless browser	Title should equal 'Kitchen Sink'	PASS
4	Assertion checks if title equals expected text	Title retrieved from page	cy.title().should('eq', 'Kitchen Sink')	PASS
5	Test ends successfully	Headless browser session ends	-	PASS

Failure Scenario

Failing Condition: Page title does not match 'Kitchen Sink'

Execution Trace Quiz - 3 Questions

What does running Cypress in headless mode mean?

A The test runs without any assertions

B The browser runs without a visible window

C The browser runs with developer tools open

D The test runs only on mobile devices

Key Result

Running tests in headless mode allows faster execution and integration in automated pipelines without opening a browser window, but you must ensure your assertions correctly verify page content.