Agile Software Development: Code Quality

Learn how to write high-quality code. Discover how to reduce complexity, hotspots and churn, duplication, and more with a variety of platform-agnostic tools.

Introduction

• Why code quality is important
• What you should know

1. Code Quality

• What is code quality?
• How do we end up with poor quality code?
• Review of code quality metrics and tools

2. Complexity

• What is complexity?
• Exploring complexity with Code Climate
• Enabling cyclomatic complexity
• Adjust thresholds

3. Hotspots and Churn

• What are hotspots and churn?
• Hotspots and churn with CodeScene
• Customizing analysis with CodeScene

4. Code Coverage

• What is code coverage?
• Windows setup
• Collecting code coverage with dotCover
• Visualizing code coverage with NDepend
• macOS X setup
• Collecting code coverage with SimpleCov
• Visualizing code coverage with Code Climate

5. Duplication

• What is duplication?
• Setting up copy/paste detectors (CPD)
• Finding duplication with CPD
• Visualizing duplication with SonarQube

6. Securing Your Dependencies

• Why secure dependencies?
• Setting up Snyk
• Securing your dependencies with Snyk CLI
• Securing your dependencies with Snyk web

7. Consistent Coding Style

• Why consistent coding style?
• Setting up Flask
• Detect style violations with Flake8
• Automated code style review with Hound CI

Conclusion

• Next steps