Chapter 6 - Cypress CLI

Run cypress tests in headless mode

npx cypress run

View help

npx cypress run --help

Run single file

npx cypress run --spec cypress/integration/todomvc-actions.spec.js


scripts key allows to specify to run scripts

No need to prepend npm or npx in script commands.

  "name": "wywm-cypress",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "cypress": "cypress open",
    "test": "echo \"Error: no test specified\" && exit 1"
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "cypress": "^3.8.3"

To use the above script in CLI

npm run cypress                                                   

> wywm-cypress@1.0.0 cypress
> cypress open


npm tests