The Complete API Testing Manual & Automation: Beginner to Advanced
Course Description
Unlock the power of API testing with API Testing with Rest Assured
- This course takes you through the essential tools and techniques for testing REST APIs, ensuring their functionality, performance, and reliability. Starting with basics and progressing to advanced topics, you’ll learn how to use Postman for manual API testing, Rest Assured for automated API testing, and JMeter for performance testing.
- Ideal for both beginners and experienced testers, this course provides hands-on experience in designing, executing, and analyzing API test cases.
What You’ll Learn From This Course
- Introduction to APIs and the importance of API testing
- Setting up Postman for manual API testing
- Creating and managing API requests, collections, and environments in Postman
- Handling API for GET, POST, PUT, DELETE requests
- Validation on schemas
- Generating detailed test reports for APIs
- Best practices for API testing and integration into CI/CD pipelines
Certification
Upon completing this course, you’ll receive a Certificate of Completion in API Testing with Rest Assured. This certificate showcases your expertise in API testing, validating your skills to perform both functional and performance testing of RESTful APIs, and boosting your profile in the QA domain.
Learning Path
Section 1: Introduction to API Testing
This section covers the fundamentals of API testing and its importance in the software development lifecycle. Topics include:
- What is an API (Application Programming Interface)?
- Types of APIs: REST, SOAP, GraphQL, etc.
- Why API testing is crucial.
- Key concepts: Endpoints, Methods (GET, POST, PUT, DELETE), and Responses.
- Overview of API testing tools and frameworks.
Section 2: Understanding APIs and their Components
Learn about the components and structure of APIs to better understand how to test them. Topics include:
- API architecture and components: Request, Response, Header, Body, URL.
- API data formats: JSON, XML, and others.
- Authentication methods: API Key, OAuth, Basic Auth, JWT.
- API documentation and specifications (Swagger/OpenAPI).
Section 3: Setting Up Your API Testing Environment
This section focuses on preparing your environment for API testing. Topics include:
- Installing and configuring Postman.
- Setting up API testing tools: Postman, Insomnia, Swagger UI.
- Introduction to API testing libraries: RestAssured, HttpClient.
- Environment configuration and management.
Section 4: Basics of API Testing with Postman
Introduction to using Postman for API testing, covering basic operations. Topics include:
- Navigating the Postman interface.
- Creating and sending API requests.
- Understanding response codes and status messages.
- Working with different HTTP methods.
- Testing API responses and validating data.
Section 5: Advanced API Testing with Postman
Delve deeper into advanced features of Postman for more sophisticated API testing. Topics include:
- Using variables and environments in Postman.
- Writing and running Postman test scripts (using JavaScript).
- Working with Postman collections and environments.
- Automating tests with Newman (Postman CLI).
- Integrating Postman with CI/CD pipelines.
Section 6: Introduction to API Automation with RestAssured
Learn to automate API tests using RestAssured with Java. Topics include:
- Introduction to RestAssured.
- Setting up RestAssured in a Java project.
- Creating and sending API requests using RestAssured.
- Validating responses with RestAssured.
- Handling authentication and headers.
Section 7: Advanced API Automation with RestAssured
Explore advanced automation features and techniques with RestAssured. Topics include:
- Writing parameterized and data-driven tests.
- Handling complex JSON/XML responses.
- Using Hamcrest matchers for assertions.
- Integrating RestAssured with TestNG/JUnit for test management.
- Error handling and logging in RestAssured tests.
Section 8: API Performance Testing
Learn about performance testing for APIs to ensure they meet performance standards. Topics include:
- Introduction to performance testing.
- Load testing, stress testing, and volume testing.
- Using JMeter for API performance testing.
- Configuring and running performance tests.
- Analyzing performance test results and identifying bottlenecks.
Section 9: API Mocking and Virtualization
Learn about API mocking and virtualization to simulate API responses. Topics include:
- What is API mocking and why is it useful?
- Tools for API mocking (e.g., MockServer, WireMock).
- Creating and managing mock APIs.
- Virtualizing APIs to support development and testing.
- Using mock APIs in test automation.
Section 10: Integrating API Testing with CI/CD Pipelines
Explore how to integrate API tests into Continuous Integration/Continuous Deployment (CI/CD) pipelines. Topics include:
- Overview of CI/CD pipelines.
- Integrating Postman and RestAssured tests into CI/CD.
- Configuring automated test runs in Jenkins, GitLab CI, or GitHub Actions.
- Handling test results and reporting in CI/CD pipelines.
- Ensuring test coverage and stability in automated builds.
Section 11: Handling and Validating Complex API Scenarios
Addressing more complex API testing scenarios that go beyond basic requests and responses. Topics include:
- Testing APIs with nested and hierarchical data structures.
- Validating API responses against complex data models.
- Handling asynchronous APIs and webhooks.
- Scenario-based testing for real-world use cases.
- Error handling and recovery in complex scenarios.
Section 12: Best Practices in API Testing
Learn industry best practices for effective and efficient API testing. Topics include:
- Designing effective test cases for APIs.
- Organizing and structuring test suites.
- Handling test data management and test environment setup.
- Best practices for API test maintenance and scalability.
- Ensuring comprehensive API test coverage.
Section 13: Real-World API Testing Project
Apply all the concepts learned in a hands-on project that involves real-world API testing scenarios. Topics include:
- Selecting a real-world API for testing.
- Designing and executing test cases.
- Automating tests and integrating with CI/CD.
- Analyzing results and reporting findings.
- Final project review and feedback.
Section 14: Final Assessment and Certification
Evaluate your understanding and skills through a final assessment, leading to certification upon successful completion. Topics include:
- Final exam covering all course topics.
- Real-world scenarios and practical exercises.
- Certification requirements and criteria.
- Issuance of course completion certificate.