Api testing libraries using java script an overview
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This document discusses API testing libraries for JavaScript and provides an overview of the Frisby library. It describes what an API is and why API testing is important. It then covers the key features of Frisby such as support for CRUD methods, setup and teardown functionality, file uploads, and inspectors. The anatomy of a Frisby test is explained including protocol configuration, assertions, user scenarios, and requests. Finally, it provides instructions on setting up Frisby and running tests and compares it to other JavaScript testing options like Chakram and SuperTest.
Api testing libraries using java script an overview
- 1. API Testing libraries using JavaScript - An Overview Monika Sharma Ankur Jain
- 2. WHAT IS API? An API is a set of programming code that enables data transmission between one software product and another. It also contains the terms of this data exchange.
- 3. WHAT QUESTION ARE WE TRYING TO ANSWER? Let’s talk about API testing
- 4. WHAT DOES “FAILURE” MEAN? From individual API calls to user scenarios https://martinfowler.com/bliki/TestPyramid.html – 4xx or 5xx error code – Received data invalid – Response time inadequate Test run fails : – one or multiple scenario failure Request fails :
- 5. With passing time, we lose the ability to detect changes in API use cases and business knowledge which tie them to specific code or architectural decisions. WHEN TO START?
- 6. API TESTING IN THE WILD A Selection of Testing Libraries, Frameworks and Their Attributes Attributes Frisby Chakram SuperTest LANGUAGE JavaScript JavaScript JavaScript FREE TO USE REQUEST METHOD SUPPORT Only for CRUD All Request Methods All Request Methods EXCEPTION HANDLING
- 8. FRISBY? A light-weight javascript based framework built on top of Jest. Frisby.js uses Jasmine style assertion syntax and uses Jest to run tests.
- 9. PREREQUISITE ● Basic knowledge of JavaScript
- 10. FEATURES ● Supports CRUD Request Methods ● Setup and Global Setup ● File Upload ● Inspectors
- 11. INSPECTORS To get more information about the HTTP request, response, body, JSON, etc.
- 12. ASSERTIONS
- 13. ANATOMY OF A TEST Protocol Configuration Assertions User Scenarios Requests
- 14. SETUP ● IDE (VSCode or IntelliJ) ● API Collection (Either Hosted or Mock) ● Install Libraries (refer next slide)
- 15. TEST RUNNER A given run of a suite, tests, hooks, reporters etc (uses an instance of a Runnable). Different Test Runners: Jest, Mocha, AVA ..
- 16. INSTALLATION Install Reporting Library npm install jest-html-reporter --save-dev Install Testing Library Install Test Runner npm install --save-dev frisby npm install -g jest Initiate Node Project npm init Verify Node and NPM Installation node -v npm -v
- 17. TEST THE REST!
- 18. OTHER AVAILABLE OPTIONS ● Node-Fetch ● Pactum ● Chakram ● SuperTest ● Cypress ● Axios
- 19. KEY TAKEAWAY ● Learnt about API’s ● How to get started with Frisby or any JS based library ● Comparison between different Libraries
- 21. QUESTIONS
- 22. EXERCISE 1. Clone the Repository - git clone https://github.com/msharma-tw/api-frameworks-js.git 1. Goto URL - https://reqres.in/ And test via Postman first GET POST PUT DELETE 1. Write the test for the above mentioned calls by utilising the cloned Repo 1. Add assertions to validate status, response, response schema
- 23. THANK YOU Monika Sharma Ankur Jain