This module introduces the fundamentals of unit testing in ASP.NET Core, including writing tests for services and database access layers using tools like Moq and FluentAssertions. Learners will explore best practices for isolating dependencies, managing test data, and ensuring robust coverage for both expected and edge-case scenarios. The module also covers test parallelism and the repository pattern to enhance test reliability and maintainability.

This module guides learners through the process of integration testing in ASP.NET Core APIs, including how to test interactions between components, handle authentication and authorization in tests, and measure code coverage. Learners will gain practical skills in setting up realistic test environments and ensuring robust API functionality.

This module introduces the fundamentals of gRPC, including how to define Protobuf messages and services, implement various streaming patterns, and integrate gRPC with ASP.NET Core applications. Learners will gain hands-on experience in creating, consuming, and updating gRPC services using contract-first development. Key concepts such as field numbers, GUIDs, and handling nullable values in Protobuf are also covered.

This module guides learners through building robust GraphQL APIs in ASP.NET Core using HotChocolate. You will explore schema design, implement queries and mutations, utilize resolvers and data loaders, and enhance APIs with filtering, sorting, and pagination. Advanced topics such as interface and union types are also covered to help you create flexible and efficient data models.

This module introduces the fundamentals of building real-time web applications using SignalR, including setup, client integration across platforms, and secure communication. Learners will explore authentication, user and group management, and strategies for handling connection reliability. Practical examples demonstrate how to implement chat functionality and send messages from various services.