Hands-On RESTful Web Services with ASP.NET Core 3

Testing the API using Postman

Postman also provides us with a helpful tool/framework that we can use to test our APIs automatically. The test runtime is based on Node.js; for that reason, we should write a test assertion using JavaScript. The test framework of Postman uses the following workflow to test our code:

The scripts will execute as follows for every request in a collection:

• A pre-request script will run before every request in the collection. This is considered the setup part of a test case.
• A test script will run after every request in the collection; this is the core part of our test. Furthermore, it provides the core assertions ...