REST API Automation with REST Assured Online Course
REST API Automation with REST Assured Online Course
This course provides a step-by-step guide to automating REST API tests using REST Assured. REST APIs play a vital role in modern web applications, making API testing an essential skill for QA engineers, automation testers, and developers. This course begins with fundamental API concepts and then dives into hands-on exercises to automate RESTful APIs. You will learn how to perform API requests, validate responses, handle authentication, manage headers and cookies, and implement schema validation. The course also covers advanced topics such as API logging, WireMock for mocking APIs, and performance validation techniques.
Key Benefits
- Comprehensive and practical training in REST API automation
- Hands-on exercises to reinforce learning and build real-world skills
- Assignments with answer keys to test and strengthen your understanding
- Covers everything from API basics to advanced REST Assured automation
- Learn how to work with authentication, logging, headers, cookies, and response validation
- Understand how to create mock APIs using WireMock for testing purposes
Target Audience
- Automation testers and QA engineers looking to master REST API automation
- Manual testers transitioning to API automation testing
- Developers and software engineers interested in API testing concepts
- Test managers and leads seeking efficient automation solutions
- Beginners with a basic understanding of Java who want to gain expertise in REST API automation
Learning Objectives
- Gain in-depth knowledge of REST APIs and their role in web applications
- Learn how to use REST Assured for automating API testing
- Understand GET, POST, PUT, DELETE methods and their applications
- Work with headers, cookies, and request parameters for API testing
- Implement authentication methods including OAuth, basic auth, and digest auth
- Perform JSON and XML schema validation to verify API responses
- Create mock APIs using WireMock for testing purposes
- Master logging and debugging techniques to optimize API tests
Course Outline
The REST API Automation with REST Assured Exam covers the following topics -
Module 1 - Introduction to API Concepts and Testing
- Understanding what APIs are and how they work in modern applications
- Introduction to Postman for manually testing APIs
- Overview of HTTP methods (GET, POST, PUT, DELETE) and their usage
- Learning about HTTP status codes and what they indicate
- Comparing REST with SOAP to understand different web services
- Introduction to REST Assured and why it is used for API testing
- Understanding JSON format and how JSON Path helps in API validation
- Learning JSON schema validation and its importance in API testing
Module 2 - Getting Started with REST Assured
- Setting up REST Assured with Maven for API automation
- Writing a basic GET request using REST Assured
- Validating JSON response structure in API responses
- Verifying XML response content using REST Assured
- Extracting full response details for deeper analysis
- Retrieving specific values from API responses
- Checking status line information for API validation
Module 3 - Working with POST, PUT, and DELETE Requests
- Sending POST requests using file input
- Sending POST requests with JSON data
- Performing PUT requests to update existing API records
- Executing DELETE requests to remove data from APIs
Module 4 - Logging API Requests and Responses
- Enabling full logging for API requests and responses
- Capturing API response bodies and headers for debugging
- Logging cookies and status details in API responses
- Configuring logging to display errors only for easier troubleshooting
- Logging validation failures to identify API test issues
Module 5 - Handling API Request Parameters
- Understanding query parameters in API calls
- Using multiple query parameters in API requests
- Managing multi-value parameters when sending complex requests
- Implementing path parameters to handle dynamic API data
- Using form parameters for submitting data in API testing
Module 6 - Managing Headers and Cookies in API Testing
- Learning what headers are and why they are important in API requests
- Sending custom headers in API requests for different scenarios
- Using objects to organize headers efficiently
- Sending cookies along with API requests for session management
- Managing cookies with a builder object for flexibility
- Validating API response headers to ensure proper data exchange
- Extracting header values from API responses for verification
- Retrieving cookies from API responses for session handling
Module 7 - Implementing Authentication in API Automation
- Understanding basic authentication and digest authentication
- Using OAuth authentication with scribejava Maven dependency
- Implementing OAuth 1.0 authentication in API testing
- Setting up OAuth 1.0 authentication with Twitter API
- Using OAuth 2.0 authentication for secured API access
Module 8 - Validating API Responses with Schema Validation
- Performing JSON schema validation to ensure data structure consistency
- Using XML DTD validation to verify XML responses
- Implementing XML XSD validation for structured API verification
Module 9 - Creating Mock APIs with WireMock
- Understanding the need for API mocking in test environments
- Setting up WireMock for API simulation
- Running a mock API server on HTTP and HTTPS ports
- Writing stub responses using WireMock for testing
- Creating file-based stub mappings for dynamic responses
- Recording WireMock API mappings for repeated test execution
Module 10 - Advanced API Testing Techniques
- Configuring custom request ports in REST Assured
- Defining default settings for API test configurations
- Measuring API response times to check performance
- Performing XML namespace validation for structured APIs
- Validating specific response parts using REST Assured
- Using response-aware matchers for improved test accuracy
