Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
I like my tests, like I like my friends, flake-free and reliable
Search
Amir Rustamzadeh
August 22, 2018
Programming
0
190
I like my tests, like I like my friends, flake-free and reliable
Cypress end-to-end testing talk given at JS Conf US in Carlsbad, CA.
Amir Rustamzadeh
August 22, 2018
Tweet
Share
More Decks by Amir Rustamzadeh
See All by Amir Rustamzadeh
Scalable Testing Practices for Modern Apps
amir
1
380
End-to-End Testing Vue Apps with Cypress
amir
2
360
REFACTR.Tech Cypress Workshop Intro
amir
1
150
Next-Generation Web Application End-to-End Testing with Cypress
amir
0
290
Other Decks in Programming
See All in Programming
Doctrine ORMでValue Objectを扱う方法4選 #phpstudy / 4 ways to handle Value Objects with Doctrine ORM
77web
4
110
StreamlitとTerraformでデータカタログを作った話
gussan0223
0
280
1BRC--Nerd Sniping the Java Community
gunnarmorling
0
300
ログラスを支える設計標準について / loglass-design-standards
urmot
10
2.1k
try! Swift Tokyo 2024 参加報告 / try! Swift Tokyo 2024 Report
hironytic
0
160
コーンフレークから始める モデリング会話入門
ogurotakayuki
0
250
どうしてこうなった命名集 ~🔥編~ / OOC 2024 LT
pictiny
5
3.9k
Zero Waste, Radical Magic, and Italian Graft – Quarkus Efficiency Secrets
hollycummins
0
200
今の SmartHR にエンジニアで入社するとどうなるの?
daisukeshinoku
5
4.6k
今、知っておきたい! 生成AIエージェントの世界
elith
3
330
チームでモデリングを育てるうえで 考えたこと・気づいたこと / Cultivating Modeling in Teams: Thoughts and Insights
mackey0225
7
4k
スクラムガイドのスプリントレトロスペクティブを改めて読みかえしてみた / Re-reading the Sprint Retrospective Section in the Scrum Guide
mackey0225
3
310
Featured
See All Featured
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
stephaniewalter
272
12k
Web development in the modern age
philhawksworth
201
10k
The Brand Is Dead. Long Live the Brand.
mthomps
48
27k
YesSQL, Process and Tooling at Scale
rocio
161
13k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
226
16k
ParisWeb 2013: Learning to Love: Crash Course in Emotional UX Design
dotmariusz
103
6.6k
Fantastic passwords and where to find them - at NoRuKo
philnash
35
2.5k
Robots, Beer and Maslow
schacon
PRO
154
7.9k
Bash Introduction
62gerente
604
210k
Designing for Performance
lara
601
67k
Web Components: a chance to create the future
zenorocha
304
41k
How STYLIGHT went responsive
nonsquared
92
4.8k
Transcript
I like my tests, like I like my friends, flake-free
and reliable Amir Rustamzadeh @amirrustam JS Conf ! 2018
Sr. Software Engineer @amirrustam Amir Rustamzadeh
[email protected]
E2E Integration Unit Visit The Testing Pyramid @amirrustam
E2E Integration Unit Visit The Testing Pyramid Easy, developers really
like to write these. @amirrustam
E2E Integration Unit Visit The Testing Pyramid Easy, developers really
like to write these. More Difficult, costly, slower… Often completely ignored @amirrustam
E2E Integration Unit Visit The Testing Pyramid Best for users
& business @amirrustam
Renaissance of the Web 2005 2006 2014 2013 @amirrustam
Renaissance of the Web 2005 2006 2014 2013 More complexity
moved from backend to frontend. @amirrustam
2005 2006 2014 2013 Renaissance of the Web + Testing
Automation 2004 @amirrustam
Selenium Architecture Selenium Server Drivers Tests Python Javascript Java @amirrustam
Selenium Architecture Selenium Server Drivers Tests Python Javascript Java ⚠
Classical Syncing Dilemma @amirrustam
Selenium Architecture Flakiness Non-deterministic @amirrustam
✋ JSDOM or DOM Emulation JSDOM is not a real
browser. Your users don’t run your app with JSDOM. One of the primary reasons for E2E is to simulate real user actions. @amirrustam
Don’t let your users be your first E2E test. @amirrustam
Stateless Stateful @amirrustam
Fast, easy and reliable testing for anything that runs in
a browser. Free. Open Source. MIT License @amirrustam
$ npm install -D cypress ☝ All-in-one tool You get
everything you need ❤ Familiar tools underneath Mocha, Chia, Sinon @amirrustam
Lets see it in action…. @amirrustam https://github.com/cypress-io/cypress-example-todomvc
Cypress Architecture Browser Cypress Test Runner Your App @amirrustam
⚡ Native-access to the DOM and your app.
- Fast Test Runs @amirrustam
⏳ Automatic Waiting @amirrustam
Debuggability @amirrustam
Realtime Reloading @amirrustam
Flake-free, consistent, and reliable. @amirrustam
How are commands executed? 1 2 3 @amirrustam
⚙ Component Testing cypress-react-unit-testing vue angular angularjs hyper-app svelte cycle
@amirrustam https:!//github.com/bahmutov/cypress-vue-unit-test#test-adapters-for-other-frameworks
3 cypress open Great for everyday development workflow Cypress +
Editor Side-by-Side TDD Nirvana cypress run Testing in CI/CD Pipeline Headless More efficient for running all your tests @amirrustam
3 cypress open Great for everyday development workflow Cypress +
Editor Side-by-Side TDD Nirvana cypress run --record Video Recordings of Tests @amirrustam
Cypress Dashboard - Great for CI @amirrustam
cypress run --record --parallel Introducing Parallelization Now available in Cypress
3.1 @amirrustam
cypress run --parallel cypress run --parallel cypress run --parallel Your
CI Machines 3x parallelism Ready for work signup.spec.js login.spec.js widget.spec.js @amirrustam
Previous Spec Test Runs Spec Test Duration History Test Duration
(seconds) The Future Automatic Load Balancing of Test Specs Duration Forecast @amirrustam
Automatic Load Balancing of Test Specs login.spec.js signup.spec.js widget.spec.js @amirrustam
Cypress Parallelization Easily optimize your CI usage You save a
lot of ⏳ time and money @amirrustam
cypress run --group frontend Introducing Test Run Grouping Now available
in Cypress 3.1
Documentation docs.cypress.io
Best Practices docs.cypress.io @amirrustam
https:!//youtu.be/5XQOK0v_YRE Cypress Best Practices Brian Mann, Creator of Cypress
End to End testing with Cypress By Andrew Van Slaars
egghead.io/courses/end-to-end-testing-with-cypress
docs.cypress.io/examples/examples/tutorials.html Tutorial Videos
Testing Workshop docs.cypress.io/examples/examples/workshop.html
Podcasts docs.cypress.io/examples/media/podcasts-media.html
We are trying to drastically improve the status quo of
testing on the web. @amirrustam
Thank You npm install -D cypress Free. Open Source. MIT
License Follow @amirrustam for link to slides.