Introduction

This project explains a better way to utilize Postman in developing and testing API Projects.

Content

Source Codes

• src/Emerson.Practices.Postman.PeopleDirectoryApp - Developed using ASP.Net 8.0, the source code of the sample Rest API that the postman collection is created for.

Postman Workspaces

• postman\Ideal - The ideal way of using Postman, utilizing environment, random variables, pre-request scripts, post-response scripts.
• postman\BadExample - An unoptimized example of using Postman, No environment, variables, pre-scripts or post-scripts is used, all plain-old-collection of hardcoded requests.

How To Run

1. Clone the repo.
2. Open the src/Emerson.Practices.Postman.PeopleDirectoryApp/Emerson.Practices.Postman.PeopleDirectoryApp.sln solution.
3. Run the Emerson.Practices.Postman.PeopleDirectoryApp project.
4. Wait until the swagger is loaded.
5. Open your Postman and Create a new Workspace Postman Ideal
6. Load the newly created Workspace Postman Ideal.
7. Import all the collection and environments from this folder postman\Ideal.
8. Navigate to the Collections\Main.
9. Select the environment Local.
10. Run the requests 1-by-1 from Authorization to Cleanup folder.
11. You may also want to create a new Workspace and import the collections from the postman\BadExample folder.

Notable Postman Features

1. Environments, each environments contains a specific variable dedicated to the defined environment, such as:
   1. baseUrl
   2. username
   3. password
2. Login
   1. The request Body contains the variable {{username}} and {{password}}.
   2. The Post-Response script contains 2 notable content.
      1. The test itself confirming that the response should return 200 status code.
      2. The setter of environment token based on the response of the request.
3. All Requests, all requests other than Login uses the {{token}} variable as thier Authorization.
4. Add Person
   1. The Pre-Request script generate new variable called newDateOfBirth to generate a date from 5~30 years ago.
   2. The request Body uses the random generator variables {{$randomFirstName}}, {{$randomLastName}}, and {{$randomExampleEmail}} to generate a more realistic payload based on the needed property.
   3. The Post-Request script stores the variable {{personId}} for succeeding API requests.