Legacy code can be complex. It often starts simple, but collects complexity as the product and its customers evolve.

This repository has legacy code in it. Let's refactor to enable evolution without adding complexity.

The objective of the code is to monitor battery temperature and prevent damage:

• Classify the temperature measurement as being too high or too low. This classification depends on the type of cooling. With active cooling, the battery can reach higher temperatures before taking action.
• Transmit the classification to take action: When the system has a controller, send the classification to it. In the absence of a controller, send the classification via email. In this project, the transmission is 'simulated' by printing on the console.

The GitHub Actions in this project implement several workflows:

• No Duplications: Fails on finding duplication of 3 lines or more. There are no duplications, so this passes.
• Limit complexity: The limit per function is set at 3 and it's currently failing
• Build and Run: Runs the tests. It's passing currently, but there are hardly any tests. You need to add more.
• Enter Reflections: Replace the _enter in the Reflections section below, within this file. This workflow fails till you replace it with your impressions.

As with any legacy, have a look at the code to understand it better.

This project uses the unittest framework to test functionality.

The 'Build and Run' workflow stores coverage-data as an artifact in the workflow run. You can download it from GitHub Actions.

Cyclomatic complexity is high in a few places. This indicates potential to steadily increase, as customers ask for changes and new features. Reduce the cyclomatic complexity. In future, it must be possible to add new features with less code-changes and re-testing.

Code coverage is low, because the test code is incomplete. Write more tests to take care of the variations. Track and improve the coverage.

Uncovered lines indicate an opportunity to write tests. Complex and repetitive tests indicate opportunity to simplify the code.

Caution: High coverage doesn't indicate absence of bugs!

This section is about your regular work / project, not about the code in this repository.

Think about guiding refactoring-work in your regular/project teams. Think of the day-to-day work done in your team, and improving the quality of code.

You have seen a few workflows in this repository. They are quality-gates to prevent duplication, control complexity and prove functionality. Do you think some of them have potential to guide code-improvements in your team? _enter yes/no

During the next four weeks, what improvement do you plan in your code-quality practice? (in your regular work, not in this repository!) _enter the practice here