Using Mountebank to inject behavior into test stubs
- 1. “New way to thinking about test doubles” MOUNTEBANK
- 2. WHO AM I? ● 15 years in IT ● Development & QA ● Principal QA Engineer
- 3. 1. MOUNTEBANK a. What’s? b. Why? c. How it works? 1. UI INTEGRATION 2. HANDS-ON 3. NEXT STEPS 4. REFERENCES 5. Q&A
- 4. WHAT’S? ● Open Source ● Mocks, Stubs and Virtualized Services ○ Cross-Platform ○ Multi-Protocol ● API ● Behaviour Injection ● Node JS
- 5. WHY? ● Easy to install - npm i mountebank ● Without any platform dependencies ● Comprehensive documentation ● Native language bindings ● Users Journey ● Proxy
- 7. PROXY MODES ● ProxyAlways ● ProxyTransparent ● ProxyOnce
- 8. PREDICATES
- 9. RESPONSES
- 10. HOW IT WORKS? Mountebank runs on default port 2525 and offers the ability to create imposters within it in other ports. Each imposter can have many stubs and allows inject behaviour to maintain and control state between them. Furthermore, it is possible to use mountebank proxy to redirect calls to real or mocked environment.
- 11. UI INTEGRATION This project is focused on integration between user interface and stubs created in mountebank, so it has the following project structure.: ● Mountebank image used in a docker container ● Docker Compose to up project with imposters ● HTML files to represents ecommerce web ● JS files (using fetch API) to call endpoints in mountebank ● EJS file to create all stubs ● A service that simulates the query many times to obtains the sales state. CAPTION / SOURCES
- 12. USER FLOW In the user flow, there are six pages each on with one stub in mountebank and when these stubs are called the state of the stub created in mountebank is changed. LOGIN.HTML AUTHORIZED SHOP.HTML LOGGED PRODUCT_DETAILS.HTML SELECTED CART.HTML ADDED CHECKOUT.HTML AT_CHECKOUT PAYMENT.HTML PAID
- 13. DEMO
- 14. DEMOS Proxy Mode Repeat Inject Behaviour
- 15. REFERENCES Official Website http://www.mbtest.org/ Book https://www.manning.com/books/testing-microservices-with-m ountebank?utm_source=mb&utm_medium=affiliate&utm_camp aign=book_byars_testing_12_20_18&a_aid=mb&a_bid=ee3288 f4 Mountebank UI http://donhenton.github.io/mountebank-UI/public_html/index.ht ml#/ Disguise http://donhenton.github.io/mountebank-UI/public_html/index.ht ml#/ Google Groups https://groups.google.com/g/mountebank-discuss?pli=1
- 16. Q&A
- 17. Linkedin (André Diegues Rodrigues).: https://www.linkedin.com/in/andr%C3%A9-diegues-rodrigues-64b6697a/ Email.: andrevinicius.rodrigues@farfetch.com andrevdrodrigues@gmail.com Thanks a Lot ;)