initCypressTests.js

// This file is merged in a <script type=module> into index.html
// it will be used to load and kick start the selected spec

const CypressInstance = window.Cypress = parent.Cypress

const importsToLoad = []

/* Support file import logic, this should be removed once we
 * are able to return relative paths from the supportFile
 * Jira #UNIFY-1260
 */
const supportFile = CypressInstance.config('supportFile')
const projectRoot = CypressInstance.config('projectRoot')
const devServerPublicPathRoute = CypressInstance.config('devServerPublicPathRoute')

let supportRelativeToProjectRoot = supportFile.replace(projectRoot, '')

if (CypressInstance.config('platform') === 'win32') {
  supportRelativeToProjectRoot = supportFile.replace(projectRoot.replaceAll('/', '\\'))
}

if (supportFile) {
  // We need a slash before /cypress/supportFile.js, this happens by default
  // with the current string replacement logic.
  importsToLoad.push(() => import(`${devServerPublicPathRoute}${supportRelativeToProjectRoot}`))
}

/* Spec file import logic */
// We need a slash before /src/my-spec.js, this does not happen by default.
importsToLoad.push(() => import(`${devServerPublicPathRoute}/${CypressInstance.spec.relative}`))

if (!CypressInstance) {
  throw new Error('Tests cannot run without a reference to Cypress!')
}

// load the support and spec
CypressInstance.onSpecWindow(window, importsToLoad)

// then start the test process
CypressInstance.action('app:window:before:load', window)

// Before all tests we are mounting the root element,
// Cleaning up platform between tests is the responsibility of the specific adapter
// because unmounting react/vue component should be done using specific framework API
// (for devtools and to get rid of global event listeners from previous tests.)
CypressInstance.on('test:before:run', () => {
  // leave the error overlay alone if it exists
  if (document.body.querySelectorAll('vite-error-overlay').length) {
    // make the error more readable by giving it more space
    Cypress.action('cy:viewport:changed', { viewportWidth: 1000, viewportHeight: 500 })

    return
  }

  // reset the viewport to default when in normal mode
  Cypress.action('cy:viewport:changed', {
    viewportWidth: Cypress.config('viewportWidth'),
    viewportHeight: Cypress.config('viewportHeight'),
  })
})

// Make usage of node test plugins possible
window.global = window
window.process = typeof process !== 'undefined' ? process : {}