May 1, 2024
Updated June 5, 2025
12 minute read
A Comprehensive Guide to Code Coverage
In the world of software development, ensuring quality is paramount. One of the key metrics used to gauge the thoroughness of software testing is code coverage. At a high level, code coverage is a measurement, expressed as a percentage, of the degree to which a program's source code is executed when a particular suite of tests is run. A program with high code coverage has had more of its source code exercised during testing, which suggests a lower likelihood of containing undiscovered bugs compared to a program with low code coverage.
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Reading list
We've selected seven books
that we think will supplement your
learning. Use these to
develop background knowledge, enrich your coursework, and gain a
deeper understanding of the topics covered in
Code Coverage.
Offers a detailed look at various testing techniques, including code-based testing which directly relates to code coverage. It provides a mathematical context for testing and dives into unit testing, integration testing, and system testing. The fifth edition recent publication that includes new material on feature interaction testing and model-based testing.
Provides a strong foundation in the fundamental concepts of software testing, including a thorough discussion of coverage criteria. It's an excellent resource for gaining a broad understanding of how code coverage fits into the overall testing process. The book is often used as a textbook in academic settings. The second edition includes updated material on test automation frameworks and uses the JUnit framework for practical examples.
This foundational book on Test-Driven Development (TDD) demonstrates how writing tests before code can lead to better designs and implicitly improve code coverage. It's a practical guide with examples that helps solidify the understanding of the relationship between testing and development practices. While an older book, its principles remain highly relevant.
Considered a classic in the field of software testing, this book provides timeless principles and techniques that are still relevant today. While not solely focused on code coverage, it lays essential groundwork in test case design and the psychology of testing, which are crucial for understanding the purpose and limitations of coverage metrics. The 3rd edition widely recognized version.
While not directly about code coverage, 'Clean Code' emphasizes writing maintainable and testable code. The principles and practices outlined in this book, such as writing small functions and meaningful names, make it easier to write effective tests and achieve higher code coverage. It's considered a must-read for any software developer.
Focuses on the professionalism of software development, which includes taking responsibility for the quality of code. It advocates for practices like testing and test automation, which are essential for achieving good code coverage and ensuring software reliability. It complements 'Clean Code' by focusing on the developer's attitude and discipline.
For more information about how these books relate to this course, visit:
OpenCourser.com/topic/cfq7nb/code
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