API Test Automation Using Karate (Anil Kumar Moka)
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Author: Anil Kumar Moka (Capital One) - https://www.linkedin.com/in/anil-kumar-moka-700b6b35/ Presented at the RVA QA meetup on 18-April-2018 - https://www.meetup.com/RVA-QA/events/247952292/
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API Test Automation Using Karate (Anil Kumar Moka)
- 1. API Test Automation Using Karate
- 2. Current state • Tests only at presentation layer • No tests at Business layer/API layer -> • Potential Defects missed • DB Vulnerable • Downstream systems affected 3.5 Hours to complete testing
- 3. Why API testing? Fast and reliable Integrated with every dev commit Catch the defects early Helps us in No-Fear releases
- 4. REST Methods HTTP/REST CRUD DB POST Create INSERT GET Retrieve SELECT PUT Update UPDATE DELETE Delete DELETE
- 5. Karate Framework I want to test web services and currently use Java I want to test web services but don’t know Java/any programming I develop web services I am part of a team that develops/maintains web services Karate is easier and efficient than Java Karate scripts are in plain text Karate can be used for TDD Karate increases your velocity and integrates existing QA and CI/CD
- 8. API testing made simple Plain text,calling another feature file,JSON payload and order doesn’t matter, Data driven test, Easy assertions via JSON path
- 9. API testing made simple JSON Array Support Reading JSON files and manipulating
- 10. API testing made simple Multipart and file uploading Full JSON response validation in one line Partial JSON response validation in one line
- 11. GraphQL Example with RegEx
- 12. Karate vs Rest-assured and Cucumber Rest-assured Karate Plain text No Yes Parallel execution Partial Yes Data driven testing Not built in Built in Cucumber enhancements Cucumber Karate Built in step definitions No Yes Re use feature files No Yes Parallel execution No Yes Run background only once No Yes
- 13. JSON path,RegEx & JavaScript Functions
- 14. JSON Schema
- 15. Karate vs Rest Assured Less code = Less maintenance and more efficient
- 16. API Testing Values Pipeline integration • Can run full regression with every code commit in less than 15 mins • Enable no fear release Improve test development efficiency • Can develop tests way much faster compared to UI tests • Very minimal to 0 maintenance Can identify API risks • Identifies defects at API level which may not be visible in GUI • Prevents DB from invalid entires
- 17. Pipeline with API tests
- 18. Reporting Cucumber Report Since Karate’s REST test tool is built on top of Cucumber JVM, you can run your tests, view reports and leverage any other Cucumber functionality just as with any standard java project
- 19. Karate key features Open source Multi-threaded Parallel execution support Integration with Pipeline jobs Cucumber based , Gherkin Syntax Re-usable functions and feature files Less code = More efficiency and Less maintenance Syntax 'natively' supports JSON and XML No CERTS and no POJO’s required Easy Assertion; Re- usable scripts for complex payloads and responses Embedded JavaScript engine Integration with Junit & TestNG Built-in JSON Schema Validation support
- 20. Demo