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Karate, the black belt of HTTP API testing?
The document discusses 'Karate', a tool for HTTP API testing created by Peter Thomas, highlighting its efficiency and simplicity in testing services. It includes examples of Karate's features, its use in testing Apache Sling, and the structure of Karate tests. The presentation emphasizes the tool's focus on creating readable and maintainable tests while providing links for further resources and example code.
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Karate, the black belt of HTTP API testing?
- 1. APACHE SLING &FRIENDS TECH MEETUP 10-12 SEPTEMBER 2018 Karate, the black belt of HTTP API testing? Bertrand Delacretaz :: @bdelacretaz :: grep.codeconsult.ch Principal Scientist, Adobe Basel Sling PMC Member, Member of the Board of Directors, Apache Software Foundation slides revision 2018-09-11 - images are from Adobe Stock unless specified - portrait of myself here by Stefan Wieland, thanks! Example code at https://tinyurl.com/potsdam2018
- 2. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Karate? https://github.com/intuit/karate Efficient (and fun?) way of testing HTTP services. Created by Peter Thomas of Intuit. V0.1.2 in February 2017 Current 0.8.0, moving away from Cucumber Example code at https://tinyurl.com/potsdam2018 !
- 3. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Great docs & demos! Excerpts from https://github.com/intuit/karate
- 4. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 VERY readable tests - black belt! Example from https://github.com/intuit/karate “Laser focused on making things as simple as possible”
- 5. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 HTTP testing in a world of services… HTTP service API Clients (usually machines) Opaque Services THIS is the “sacred boundary” that needs to be VERY SERIOUSLY tested and documented.
- 6. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Karate tests as HTTP API reference documentation? A great complement to overview + concepts docs !
- 7. Testing Apache Slingwith Karate and demonstrating major Karate features
- 8. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Test Feature: basic structure <- Tags for test selection <- Tests are “features” <- Background section for setup <- Call javascript or other features <- Use Java code to compute unique test paths <- We’re ready to run Scenarios
- 9. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Sling PostServlet Scenario CAN U RD THS ?
- 10. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Define JSON structures, verify (match) responses Testing the “import” operation of the SlingPostServlet
- 11. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Uploading an image Schema-like matching, see next slide
- 12. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Schema-like matching Used in:
- 13. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Matching the image itself! “Laser focused on making things as simple as possible”
- 14. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 It’s not much code! # The actual tests src/test/java/sling/postservlet/importContent.feature src/test/java/sling/postservlet/createContent.feature src/test/java/sling/setup/initialContent.feature src/test/java/sling/filestorage/uploadImage.feature # JUnit tests "proxy" src/test/java/sling/SlingTest.java (0 ALOC) # Gatling performance tests "proxy" src/test/scala/sling/PostServletSimulation.scala (~30 ALOC) # Test utilities (all small) src/test/java/util/cleanup-paths.js src/test/java/util/basic-auth-header.js src/test/java/util/sling-ready.feature src/test/java/util/cleanup-path.feature src/test/java/logBaseURL.js # Test content src/test/java/images/testimage.jpg # Tests configuration src/test/java/karate-config.js src/test/java/logback-test.xml
- 15. Interlude: Running theTests aka “live demo”
- 16. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Running Karate tests Using Maven via trivial JUnit proxy tests, selected by tags: HTML test reports with debug info, Gatling performance reports Karate UI, basic but useful.
- 17. More Fun &Useful Features It’s not over yet
- 18. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Reuse Karate features for Gatling performance tests
- 19. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Scenario Outlines for data-driven testing Validating initial content in a default Sling instance
- 20. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Test Doubles: mock (main or auxiliary) services Scenarios for mocking HTTP services, similar syntax. https://github.com/bdelacretaz/karate-mini-mocks
- 21. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - adaptTo() 2018 Not much code for the Test Doubles either # Mocked server + tests src/test/java/server/server.feature src/test/java/client/client.feature # JUnit test "proxies" src/test/java/server/TestBase.java src/test/java/client/ClientTest.java # Tests configuration src/test/java/logback-test.xml src/test/java/karate-config.js
- 22. Coda Now it’s over.Almost.
- 23. Karate, the blackbelt of HTTP API testing? - Bertrand Delacretaz - @bdelacretaz - adaptTo() 2018 Poweful, efficient, fun and READABLE tests! Open for contributions Good enough to document HTTP APIs? Example code at https://tinyurl.com/potsdam2018 ! https://github.com/intuit/karate