How to setup JaCoCo with Gradle?

  1. Generate the project. Navigate to to generate a project with an appropriate version of build tool (Gradle), language (Java), the default version of spring.
  2. Import project into IDE (i.e., Eclipse)
  3. Add the JaCoCo configs to build.
  4. Generate code coverage report.

How do I get JaCoCo code coverage report gradle?

1 Answer. Run gradle build jacocoTestReport to generate JaCoCo code coverage report. and then just run gradle build . JaCoCo report will be generated at each build task execution.

What is jacocoTestReport?

jacocoTestReport — JacocoReport. Generates code coverage report for the test task. Verifies code coverage metrics based on specified rules for the test task.

How do I use code coverage in IntelliJ?

Set coverage in run configurations

  1. From the main menu, select Run | Edit Configurations and click the necessary configuration on the left panel.
  2. Open the Code Coverage tab and select a code coverage runner from the Choose coverage runner list: IntelliJ IDEA, EMMA, or JaCoCo.

What is difference between JaCoCo and SonarQube?

JaCoCo: A code coverage library for Java. It is a free code coverage library for Java, which has been created based on the lessons learned from using and integration existing libraries for many years; SonarQube: Continuous Code Quality. SonarQube is an open source tool with 3.88K GitHub stars and 1.09K GitHub forks.

Does JaCoCo support Kotlin?

JaCoCo is a free code coverage library that is used in most of the projects for measuring the test coverage for Java/Kotlin/Android.

How do I know which version of Gradle is installed?

In Android Studio, go to File > Project Structure. Then select the “project” tab on the left. Your Gradle version will be displayed here.

What is the ideal code coverage?

Code coverage of 70-80% is a reasonable goal for system test of most projects with most coverage metrics. Use a higher goal for projects specifically organized for high testability or that have high failure costs. Minimum code coverage for unit testing can be 10-20% higher than for system testing.

How is line coverage calculated?

Notice the two metrics, line coverage and branch coverage. You can see how they are calculated. Take the Cover lines and divide that into the Coverable lines and you get the line coverage percentage. Take the covered branches and divide that into the total branches and you have branch coverage as a percentage.

How can I improve my code coverage?

Improving Test Coverage

  1. Write More Tests.
  2. Generate Tests Automatically.
  3. Remove Dead/Zombie Code.
  4. Remove Redundant/Cloned Code.
  5. Write/Execute More Sophisticated Tests.

How to generate the code coverage report in Gradle?

To do so edit your gradle.build file – Now run gradle build or gradle test to generate the Code Coverage Report. The Code Coverage Report can be found in build>reports>jacoco>test>html. Open the index.html file here to view the Coverage Report

What is the default class directory for a Gradle build?

Normally, classes under `build/classes/main` are searched, which is the default class directory for Gradle builds (Optional) Comma-separated list of filters to include or exclude classes from collecting code coverage. For example: +:com.*,+:org.*,-:my.app*.*.” (Optional) Working directory in which to run the Gradle build.

Why should we use Gradle instead of IDE to create projects?

Trying to find my way in the amazing unknown world with so much to unlock. Although we can use IDE for creating new java projects, if we use a build tool like gradle and create the project from ground up then not only we have more control, we can also change between IDEs as we feel the need.

What is the Gradle wrapper?

The Gradle wrapper allows the build agent to download and configure the exact Gradle environment that is checked into the repository without having any software configuration on the build agent itself other than the JVM. Create the Gradle wrapper by issuing the following command from the root project directory where your build.gradle resides: