🚀 PetStore Swagger API Testing (Postman Collection)

This repository contains a Postman collection and environment demonstrating end-to-end CRUD testing for the User module of the Swagger PetStore API.

The collection showcases practical API testing techniques such as dynamic test data generation, variable handling, response validation, schema validation, and automated assertions.

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📌 API Under Test

Swagger PetStore API

https://petstore.swagger.io/v2

Module covered:

👤 User API

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📂 Repository Structure

petstore-postman-api-tests
│
├── PetStore-Swagger.postman_collection.json
│
├── PetStore-Swagger.postman_environment.json
│
└── README.md

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🧪 API Test Scenarios

The collection covers complete CRUD operations for the User API.

1️⃣ Create User

POST /user

Features:

• Dynamic test data generated using Pre-request Scripts
• Collection variables created for:
  • id
  • username
  • firstName
  • lastName
  • email
  • password
  • phone
• Response validation
• Schema validation

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2️⃣ Read User

GET /user/{{username}}

Validations include:

• Status code validation
• Response time validation
• Field validation
• Data type validation
• Property value validation

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3️⃣ Update User

PUT /user/{{username}}

Features:

• Dynamic update of user data
• Status code validation

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4️⃣ Delete User

DELETE /user/{{username}}

Features:

• Status code validation
• Cleanup of collection variables after deletion

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⚙️ Key Postman Features Demonstrated

✔ Pre-request scripting for dynamic data generation
✔ Collection variables management
✔ Environment variables usage (baseURL)
✔ Automated test assertions
✔ JSON schema validation
✔ Response time validation
✔ End-to-end CRUD workflow

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▶️ How to Run

1️⃣ Import the collection

PetStore-Swagger.postman_collection.json

2️⃣ Import the environment

PetStore-Swagger.postman_environment.json

3️⃣ Select the environment in Postman

4️⃣ Run the collection using Collection Runner

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⭐ Example Workflow

Create User
     ↓
Read User
     ↓
Update User
     ↓
Delete User

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👨‍💻 Author

Premdevi Kumawat QA Engineer