us to think about the application as the final user Maintenance and writing cost are way bigger than unit tests Regarding the layers that we engage during E2E tests, the whole testing experience can be slower (UI, DB, API’s, etc), not to mention external services (Mercure, Vulain, emails, message brokers, etc) Modern architectures can slow down the testing process (SPA, PWA, etc)
NPM and Docker Well known syntax (easy to use and fast) , a lot of shortcuts and commands to ease the writing experience Main browsers natively supported (except IE, let be serious) Backed and developed by the Cypress company (under MIT licence)
Mocha and many more Cypress can intercept, mock and wait for XHR / fetch requests The whole UI can be bypass to speed up tests The debug experience is improved thanks to screenshots, videos and a dedicated replay for failing steps Sell me this library SensioLabs
No isolated client support Clients configuration poorly documented Better browser support and network requests support out of the box What about Panther ? SensioLabs
required in production environment) symfony serve, launch a new server on https://127.0.0.1:8000 yarn run cypress open, create defaults files and required directories then launch Cypress via a GUI SensioLabs
mode to configure the tests and launch them Each test can be isolated and launch to separate the errors / debug Instant access to the documentation and support, not to mention the replay and the online dashboard
repetitive tasks / commands Thanks to commands, we can automate tasks and ease the writing experience Assertions can be chained to improve readability and focus on the end requirement Thanks to the “jQuery” syntax, elements can be easily found SensioLabs
and automate the recurrent tasks (fixtures, cache, etc) Can be used in tests, hooks, loops, etc No limitations regarding HTTP calls, other commands usage, assertions, etc SensioLabs
cannot handle every use case Without a proper bridge, Symfony seems hard to interact with Server errors debug can be a real pain The Docker integration / usage is quite hard BC breaks, unmaintained bridges / extensions
make them easier to maintain and more resilient Cross-browser testing must become the standard Thanks to the bundle approach, Cypress could welcome a dedicated bundle Thanks to our experience with Behat and other tools, we could easily structure and improve Cypress tests A lot SensioLabs
to use a specific structure / approach, don’t be afraid to adapt it and modernize it Filter, group, watch, repeat Intercept, mock heavy network requests, watch and test your UI (thanks to visual testing) Measure performances, frontend indicators, etc
and up- to-date tests which support recent frontend evolutions, yes If you need to handle actual browsers, network requests and modern practices / frameworks, yes If you’re not afraid of maintaining tests, writing JS and improving your CI / CD, yes If you need to improve teamwork, improve delivery and deploy more often, yes
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