Measuring and Improving Web Application Test Coverage

Shipping robust and reliable web applications requires a deep understanding of code quality. Test coverage is the crucial metric that tells you exactly how much of your production code is actually being tested. This course provides the foundational knowledge needed to effectively measure test coverage, interpret the resulting data, and apply these insights to systematically improve your application’s stability and maintainability before deployment. What you'll learn: * Understand the fundamental types of code coverage, including line, branch, and function coverage, and when each metric matters most. * Learn to configure and run industry-standard coverage tools to generate comprehensive reports for modern web application code. * Practice interpreting coverage reports to identify untested code paths, dead code, and critical gaps in your testing strategy. * Apply coverage analysis techniques to set appropriate quality gates and targets for continuous integration workflows. * Master using code metrics beyond coverage, such as cyclomatic complexity, to assess code maintainability and risk. We begin by defining essential quality metrics and progress through practical methods for generating and analyzing coverage data. The material focuses on translating raw metrics into actionable improvements for your codebase. This course is designed for developers, QA specialists, and technical managers new to formalized code quality assessment. No prior experience with specific testing frameworks is required. Start building confidence in your deployment process today by mastering test coverage.