GIB2021 - Testing with Postman
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The document discusses Postman, a Google Chrome app for testing APIs. It provides an overview of Postman's key features such as collections, variables, environments, testing capabilities, authentication support, API mocking, and command line integration. Tests in Postman can be run pre-request and post-request using JavaScript and the Chai assertion library. The document also demonstrates running a Postman collection from the command line using Newman and provides references for Postman test scripts, examples, and command line usage.
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GIB2021 - Testing with Postman
- 1. Dan Toomey Testing with Postman Deloitte @daniel2me A look at some advanced features
- 3. What is Postman? • Google Chrome app for testing APIs • Available as a standalone app for Mac, Windows, Linux • Free! (with limits) • www.getpostman.com
- 4. Postman features • Collections • Account based • Collaboration • Variables • Global • Environment • Environments • Tests • AuthN / AuthZ • API Mocking • Command line execution
- 5. Postman features • Collections • Account based • Collaboration • Variables • Global • Environment • Environments • Tests • AuthN / AuthZ • API Mocking • Command line execution
- 6. Postman features • Collections • Account based • Collaboration • Variables • Global • Environment • Environments • Tests • AuthN / AuthZ • API Mocking • Command line execution
- 7. Postman features • Collections • Account based • Collaboration • Variables • Global • Environment • Environments • Tests • AuthN / AuthZ • API Mocking • Command line execution
- 8. Postman tests • Node.js runtime permits scripted behaviour • Pre-request • Post-request • Written in JavaScript • Chai (Expect/Should)
- 9. Postman tests • Node.js runtime permits scripted behaviour • Pre-request • Post-request • Written in JavaScript • Chai (Expect/Should) • Defined / executed at multiple levels
- 10. Postman tests • Node.js runtime permits scripted behaviour • Pre-request • Post-request • Written in JavaScript • Chai (Expect/Should) • Defined / executed at multiple levels • Run in batches • Export reports
- 11. DEMO
- 12. Running with Newman # run the collection: $ newman run mycollection.json # runs the collection 10 times: $ newman run mycollection.json -n 10 # run the collection for a particular environment: $ newman run https://www.postman.com/collections/cb208e7e64056f 5294e5 -e dev_environment.json
- 13. References • Writing Postman test scripts: https://learning.getpostman.com/docs/postman/scripts/test-scripts/ • Postman test examples: https://learning.getpostman.com/docs/postman/scripts/test-examples/ • Chai assertion library: https://www.chaijs.com/api/bdd/ • Chai.js cheatsheet: https://devhints.io/chai • Postman cheat sheet: https://www.toolsqa.com/postman/postman-cheat-sheet/ • Command line integration with Newman: https://learning.getpostman.com/docs/postman/collection-runs/command-line-integration-with- newman/ • Spoontacular (Free API) https://spoonacular.com/food-api
- 14. Thank you!