Here are 100 suggested chapter titles for a book about testing with NSubstitute (C#), ranging from beginner to advanced topics:
- Introduction to Mocking Frameworks in Unit Testing
- Getting Started with NSubstitute
- Installing NSubstitute in Your C# Project
- Understanding Mocking and Stubbing Concepts
- Exploring the Benefits of NSubstitute for Unit Testing
- The Basics of Test-Driven Development (TDD) with NSubstitute
- Creating Your First Mock with NSubstitute
- Working with Interfaces and Abstract Classes
- Setting Up Simple Substitutes
- Return Values and Setting Up Responses
- Verifying Calls with NSubstitute
- Handling Properties with NSubstitute
- Stubbing Method Calls with NSubstitute
- Using Arg.Any to Match Arguments
- Returning Custom Values with Arg.Is
- Handling Multiple Returns for Method Calls
- Configuring Substitutes to Throw Exceptions
- Verifying Method Invocations with Received()
- Simulating Time-Dependent Code with NSubstitute
- Working with Delegates and Events
- Mocking Asynchronous Methods with NSubstitute
- Handling Async and Await with NSubstitute
- Using Callbacks to Capture Arguments
- Implementing Behavior with Do()
- Matching Arguments More Precisely with ArgMatchers
- Mocking Generics with NSubstitute
- Using Arg.ForAny() for Advanced Argument Matching
- Using Received() for Multiple Call Verifications
- Handling Out and Ref Parameters
- Creating and Testing Custom Substitutes
¶ Advanced Mocking and Best Practices
- Complex Argument Matching with Custom Matchers
- Working with Sealed Classes in Unit Testing
- Creating Substitutes for Events and Event Handlers
- Verifying Call Order with NSubstitute
- Mocking Time and Date Using NSubstitute
- Using NSubstitute with Dependency Injection
- Best Practices for Test-Driven Development with NSubstitute
- Mocking Static Methods with NSubstitute
- Working with Substitutes in Multithreaded Applications
- Testing Legacy Code with NSubstitute
- Mocking Web API Calls in Unit Tests
- Mocking Database Calls with NSubstitute
- Mocking File System Operations
- Mocking External Service Dependencies
- Creating Test Doubles for Third-Party Libraries
- Mocking Authentication and Authorization Logic
- Testing Web Requests with NSubstitute
- Mocking UI Components for Unit Tests
- Mocking Complex Workflows and Pipelines
- Simulating Network Latency and Failures in Tests
¶ Mocking Patterns and Design
- Mocking for Loose Coupling in Unit Tests
- The Law of Demeter and Mocking Practices
- Using the Façade Pattern with NSubstitute
- Mocking for Decoupling Infrastructure from Logic
- Writing Unit Tests for IoC Containers and Factories
- Applying the Test Double Pattern with NSubstitute
- Using NSubstitute for Boundary Testing
¶ Debugging and Troubleshooting
- Troubleshooting Failed Verifications in NSubstitute
- Using NSubstitute's Diagnostic Features
- Understanding and Fixing Common NSubstitute Issues
- How to Avoid Over-Mocking in Unit Tests
- Identifying Unnecessary Mocking and Refactoring Tests
- Debugging Test Failures with Stack Traces and NSubstitute
- Reducing Mocking Overhead in Your Tests
- Speeding Up Tests by Minimizing Mock Setup
- Best Practices for Structuring NSubstitute Tests
- Testing with NSubstitute in Continuous Integration Pipelines
- Mocking Performance Considerations in Large Codebases
- Integrating NSubstitute with MSTest
- Using NSubstitute with NUnit for Advanced Testing
- Working with xUnit and NSubstitute for Unit Testing
- Combining NSubstitute with FluentAssertions for Better Assertions
- Integrating NSubstitute with SpecFlow for Behavior-Driven Development
- Combining NSubstitute with AutoFixture for Automated Test Data Generation
¶ Refactoring and Advanced Testing Techniques
- Refactoring Legacy Tests Using NSubstitute
- Mocking for Behavior Verification in Functional Tests
- Creating a Mocking Strategy for Large Applications
- Handling Dependency Cycles in Unit Tests
- Combining Multiple Mocks for Complex Scenarios
- Writing Isolated Tests with NSubstitute and Test Doubles
- Building Reliable Unit Tests for Web Applications
- Writing Tests for APIs with External Calls
- How to Write Mocking Code in Microservices
- Testing Service Layer Logic with NSubstitute
- Mocking Complex Business Logic for Enterprise Applications
- Unit Testing Domain Models Using NSubstitute
- Working with NSubstitute's Internal Calls
- Advanced Argument Matching and Custom Matchers
- Creating Custom Substitutes for Abstract Classes
- Mocking Static Properties and Fields
- Using NSubstitute for Simulating Complex UI Logic
- Handling Multiple Dependencies in Tests
¶ NSubstitute in Production and Testing Strategies
- When to Use NSubstitute vs Other Mocking Frameworks
- NSubstitute’s Role in Test Strategy and Test Architecture
- Managing NSubstitute Substitutes in Large Teams
- Scaling Unit Tests with NSubstitute in Big Codebases
- Designing Effective Unit Tests Using NSubstitute
- When Mocking Goes Wrong: Common Pitfalls to Avoid
- Building a Robust Mocking Strategy for Testing External APIs
- Final Thoughts: Mastering NSubstitute for Professional Unit Testing
This range of topics would cover essential fundamentals, intermediate techniques, real-world application, and advanced strategies, providing a comprehensive understanding of NSubstitute for developers and testers at all levels.