Rest Booking API Testing with Postman Newman

This project demonstrates API testing using Postman, providing a collection of tests to validate various endpoints of the API.

Features

• Tests for GET, POST, PUT, DELETE requests
• Collection of tests covering different API endpoints
• Environment setup for easy switching between environments
• Pre-request scripts for data setup
• Test scripts for assertions and validations

API Documentation:

• https://documenter.getpostman.com/view/28551494/2sA35Bc4n2

Technology used:

• Postman
• Newman

Prerequisite:

• Node Js
• Newman
• Newman Html Report Library

Installation

1. Postman: If you haven't already, download and install Postman.
2. Clone the repository:

 [git clone https://github.com/rashadkhan97/Automated-Testing-of-Rest-Booking-API-with-Newman-Report.git]

3. Import the Postman collection:
   • Open Postman.
   • Click on the Import button.
   • Select the file from the repository.
4. Import the Postman environment:
   • In Postman, click on the gear icon in the top right corner.
   • Select Import and choose the file.
5. Newman and Report Installation Process:
   • Newman Install Command:

    npm install -g newman

   • Newman Html Report Install Command:

    npm install -g newman-reporter-htmlextra

Usage

1. Select Environment:
   • In Postman, select the appropriate environment (e.g., Development, Production) from the top-right dropdown.
2. Run Collection:
   • Select the imported collection from the Collections sidebar.
   • Click on the Runner button to open the collection runner.
   • Select the desired environment.
   • Click Start Test to run the collection.
3. View Results:
   • View the results in the Runner tab once the tests are complete.
   • Detailed test results can be viewed for each request.

Testing

Test Case Scenarios:

1. Create New Booking

Request URL: https://restful-booker.herokuapp.com/booking/

Request Method: POST

Pre-request Script:

	//DYNAMIC CREATION LIST FOR ALL VARIABLES
	//First Name
	var firstname = pm.variables.replaceIn("{{$randomFirstName}}");
	pm.environment.set("firstname", firstname)
	
	//Last Name
	var lastname = pm.variables.replaceIn("{{$randomLastName}}");
	pm.environment.set("lastname", lastname); //calling enivorment to get lastname in enviroment
	
	
	//totalprice
	var totalprice = pm.variables.replaceIn("{{$randomInt}}");
	pm.environment.set("totalprice", totalprice)
	
	//depositpaid
	var depositpaid = pm.variables.replaceIn("{{$randomBoolean}}");
	pm.environment.set("depositpaid", depositpaid)
	
	//calling moment library for Checkin & Check out
	const moment = require("moment");       
	// moment is a library for date and time
	const today = moment();
	//for checking
	pm.environment.set("checkin", today.add(0,'d').format("YYYY-MM-DD"));
	pm.environment.set("checkout", today.add(5, 'd').format("YYYY-MM-DD"));
	
	//additional needs 
	var additionalneeds = pm.variables.replaceIn("{{$randomProduct}}");
	pm.environment.set("additionalneeds", additionalneeds)
	

Request Body:

 {
     "firstname" : "{{firstName}}",
     "lastname" : "{{lastName}}",
     "totalprice" : {{totalPrice}},
     "depositpaid" : {{depositPaid}},
     "bookingdates" : {
   	  "checkin" : "{{checkin}}",
   	  "checkout" : "{{checkout}}"
     },
     "additionalneeds" : "{{additionalNeeds}}"
 }

Response Body:

 {
   "bookingid": 1394,
   "booking": {
       "firstname": "Brianne",
       "lastname": "Jacobson",
       "totalprice": 605,
       "depositpaid": false,
       "bookingdates": {
           "checkin": "2024-03-25",
           "checkout": "2024-03-30"
       },
       "additionalneeds": "Pants"
   }
}

2. Get Booking Details By ID

Request URL: https://restful-booker.herokuapp.com/booking/bookingid

Request Method: GET

Response Body:

{
   "firstname": "Brianne",
   "lastname": "Jacobson",
   "totalprice": 605,
   "depositpaid": false,
   "bookingdates": {
       "checkin": "2024-03-25",
       "checkout": "2024-03-30"
   },
   "additionalneeds": "Pants"
}

3. Create A Token For Authentication.

Request URL: https://restful-booker.herokuapp.com/auth

Request Method: POST

Pre-request Script: None

Request Body:

{
   "username": "admin",
   "password": "password123"
}

Response Body:

{
   "token": "0d1b2ff4d291883"
}

4. Update the Booking Details

Request URL: https://restful-booker.herokuapp.com/booking/bookingid

Request Method: PUT

Pre-request Script:

	//DYNAMIC CREATION LIST FOR ALL VARIABLES
	//First Name
	
	var updated_firstname = pm.variables.replaceIn("{{$randomFirstName}}");
	pm.environment.set("updated_firstname", updated_firstname)
	
	//Last Name
	var updated_lastname = pm.variables.replaceIn("{{$randomLastName}}");
	pm.environment.set("updated_lastname", updated_lastname); //calling enivorment to get lastname in enviroment
	
	
	//totalprice
	var updated_totalprice = pm.variables.replaceIn("{{$randomInt}}");
	pm.environment.set("updated_totalprice", updated_totalprice)
	
	//depositpaid
	var updated_depositpaid = pm.variables.replaceIn("{{$randomBoolean}}");
	pm.environment.set("updated_depositpaid", updated_depositpaid)
	
	//calling moment library for Checkin & Check out
	const moment = require("moment");       
	// moment is a library for date and time
	const today = moment();
	//for checking
	pm.environment.set("updated_checkin", today.add(1,'d').format("YYYY-MM-DD"));
	pm.environment.set("updated_checkout", today.add(5, 'd').format("YYYY-MM-DD"));
	
	//additional needs 
	var updated_additionalneeds = pm.variables.replaceIn("{{$randomProduct}}");
	pm.environment.set("updated_additionalneeds", updated_additionalneeds)

Request Body:

 {
   "firstname" : "{{updated_firstname}}",
   "lastname" : "{{updated_lastname}}",
   "totalprice" : "{{updated_totalprice}}",
   "depositpaid" : {{updated_depositpaid}},
   "bookingdates" : {
   	"checkin" : "{{updated_checkin}}",
   	"checkout" : "{{updated_checkout}}"
   },
   "additionalneeds" : "{{updated_additionalneeds}}"
}

Response Body:

 {
   "firstname": "Justen",
   "lastname": "Marvin",
   "totalprice": 620,
   "depositpaid": true,
   "bookingdates": {
       "checkin": "2024-03-26",
       "checkout": "2024-03-31"
   },
   "additionalneeds": "Bike"
}

5. Delete Booking Record

Request URL: https://restful-booker.herokuapp.com/booking/bookingid

Request Method: DELETE

Response Body: None

Run Command:

• Run Command for Console:

newman run Rashadul_Islam_SQA_API_Testing.postman_collection.json -e Rashadul_Islam_SQA_API_Testing.postman_environment.json

• Run Command for Report:

newman run Rashadul_Islam_SQA_API_Testing.postman_collection.json -e Rashadul_Islam_SQA_API_Testing.postman_environment.json -r cli,htmlextra

Newman Report Summary: