Code Coverage in DevOps: What It Measures, Why It Matters, and How to Use It in CI
Code coverage quantifies how much of your code is exercised by tests, helping teams find untested areas before release. This guide explains coverage types, CI workflow, practical commands, and how to avoid misusing the metric.
EMMA for Java Code Coverage: Setup, Instrumentation Modes, and J2EE Workflow
EMMA is a Java code coverage tool used to see which code paths are actually exercised by tests and runtime usage. This updated guide explains installation choices, instrumentation modes, and the offline J2EE workflow described in the original post.
Maven Clover for Distributed Java Applications: Instrument, Collect, and Aggregate Coverage
Learn a practical Clover + Maven workflow for distributed test environments. This walkthrough covers instrumentation, remote execution, coverage file collection, and final report generation.
What is Jacoco and How it works? An Overview and Its Use Cases
What is Jacoco? JaCoCo is an open-source toolkit for measuring code coverage in a code base and reporting it via visual reports. It is quite popular among…
Top 50 Cobertura interview questions and answers
1) Where Does The Name “cobertura” Come From? “Cobertura” is the Spanish and Portuguese word for “coverage.” We were trying to avoid acronyms and coffee references. It’s…
Top 50 Ncover interview questions and answers
1) What is code coverage analysis? A code coverage analyzer monitors your code at runtime and records information about which lines of code were executed. NCover shows…
Top 50 Jacoco interview questions and answers
1) Is JaCoCo only for Java? JaCoCo supports Java class files from version 1.0 to 16. However the minimum JRE version required by the JaCoCo runtime (e.g….
Top 50 Unit testing interview questions and answers
1) What is smoking? In unit testing, we use mocking. An object you want to test may have other complex object dependencies. You replace the other objects…
What is SonarJava? Is it replacement for Checkstyle, PMD, FindBugs?
SonarJava has a great coverage of well-established quality standards. The SonarJava capability is available in Eclipse and IntelliJ for developers (SonarLint) as well as throughout the development chain for automated code review with on-premise SonarQube or on-line SonarCloud.
Difference between Code Coverage and Test Coverage | Code Coverage VS Test Coverage
There is not any official distinguished between code Coverage and Test Coverage. Some practitioner has expressed their difference opinion in terms of defining Code Coverage and Test…