# Cypress

2 min read, 317 words cypress library javascript testing

Every time I debug ci, the less I understand how we possibly can land and operate rovers on other planets.

Probably they dont use javascsript.

Increabibly Visual tool
Time Travel features, hover on action to get a snapshot of app state

# Selenium

Statelless HTTP api

Selenium came in 2004, webdriver
back in the day, AJAX wasent even a thing
everything was synchronous
on every submit, there was a page refresh

devtools

When chrome driver is automation browser, you cannot use devtools

Its like shooting a cracker in the pitch black night sky, where we see somethings for a flash moment and then everything goes back to dark.

# Cypress

chai, mocha like api
with jquery like slector api
Everything returns Promises under the hood
Command chaning
Can test CSS Animations
Create a global user for application before startup win.user = { ... }
set some localStorage value like auth-token
Force server to return 500 status on POSt request

cy.server
  .route({method: "POST", url: "/blog", status: 500, response: ""})
  .as("postBlog)

Currently built on top of electron (opens new window)
run in headless mode on CI
100s of pages of documentation
Mobile web - yes
Native mobile - No

# Testing tool Challenges

Cross browser testing
Animation/ CSS testing
More insights into failing tests
Quickly debuggable
Test Responsive desings
Test async functionalities

# Repos to check

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