TLDR Web Dev · ARTICLES & TUTORIALS

FOUR COMMON TYPES OF CODE COVERAGE

web.dev8 min read

Summary from the TLDR Web Dev newsletter

Code coverage is a metric that measures the percentage of source code your tests execute. It helps you identify areas that may lack proper testing. This article is a deep dive into the importance of code coverage in tests and four common ways to measure it: function coverage, line coverage, branch coverage, and statement coverage.