Hey folks! If you're looking to automate your Postman API tests as part of your Jenkins build pipeline, I've got you covered. Postman is hands down one of the most popular tools for API testing—you can write loads of unit tests in it and run them automatically as part of your build process to keep your API validated. Here's a step-by-step breakdown of how to integrate the two:

Step 1: Export Your Postman Test Collection #

First things first, you need to get your Postman tests into a format Jenkins can work with:

• Open up Postman and find the collection that holds all your API tests.
• Click the three-dot menu next to the collection name, then select Export.
• Pick the Collection v2.1 format (it's the most reliable for automation workflows) and save the JSON file somewhere your Jenkins server can access it (like a repo or a shared directory).

Step 2: Make Sure Your API is Available When Tests Run #

Your Postman tests won't do much good if the API they're testing isn't up and running. You've got two solid options here:

Option A: Use Docker to Spin Up the API On-Demand #

• If you haven't already, package your API into a Docker image.
• Add a stage to your Jenkins pipeline to pull the image and start a container before running the tests. A quick example shell command for this would be:

  docker run -d -p 8080:8080 your-api-image:latest
  

• Don't skip adding a step to wait for the API to be fully ready! You can use curl to poll a health check endpoint until it returns a 200 OK status—something like:

  until curl -s http://localhost:8080/health | grep "UP"; do sleep 2; done
  

Option B: Set Up a Dedicated API Deployment Pipeline #

• Create a separate Jenkins pipeline that builds and deploys your API to a test environment.
• Configure your Postman test pipeline to depend on this deployment pipeline. That way, Jenkins will only trigger your tests once the API has been successfully deployed and is ready to go.

Once you've nailed these two steps, you can use Newman (Postman's command-line runner) in your Jenkins pipeline to execute the exported collection. Just add a stage with a command like:

newman run your-postman-collection.json

内容的提问来源于stack exchange，提问作者Upul Doluweera