Refactors the main function for improved testability by extracting
the core logic into a new run function. Updates argument handling
and error reporting to use return codes instead of os.Exit.
Adds comprehensive test coverage for main functionality,
including integration tests and validation against edge cases.
Enhances README with updated code coverage and feature improvement lists.
Addresses improved maintainability and testability of the application.
Bumps version to 0.3.1
- Implement tests for the app service, including course processing from file and URI.
- Create mock implementations for CourseParser and Exporter to facilitate testing.
- Add tests for HTML cleaner service to validate HTML content cleaning functionality.
- Develop tests for the parser service, covering course fetching and loading from files.
- Introduce tests for utility functions in the main package, ensuring URI validation and string joining.
- Include benchmarks for performance evaluation of key functions.
