gradle-multimodule-coverage

SonarQube-Scanner-Gradle Multi-Module Code Coverage

(Originally from https://github.com/SonarSource/sonar-scanning-examples)

This example project demonstrates how to analyze a multimodule project with Jacoco code coverage built with Gradle.

Prerequisites

• SonarQube 7.9+
• A Gradle wrapper is included that bundles Gradle. All other required plugins will be pulled by Gradle as needed.

Usage

Run the following command (update sonar.host.url, sonar.login, sonar.password, etc. properties as needed either at command line or in sonar.gradle):

• On Unix-like systems: ./gradlew clean build codeCoverageReport -Dsonar.host.url=http://localhost:9000 -Dsonar.login=admin -Dsonar.password=admin sonarqube
• On Windows: .\gradlew.bat clean build codeCoverageReport -Dsonar.host.url=http://localhost:9000 -Dsonar.login=admin -Dsonar.password=admin sonarqube

Coverage

This example project is based on the original example project from Gradle's sample project for reporting code coverage for Jacoco (Gradle 6.4-rc-1 and Gradle 6.6.1) as well as Andranik Azizbekian's article integrating SonarQube with a Kotlin Android project.

Here are the important changes compared to the original Gradle sample project linked above in order for SonarQube to pick up the code coverage metric:

• ensure settings.gradle references your modules
• add id org.sonarqube" version "3.2.0" to the plugins{} block to root build.gradle (use a different SonarScanner for Gradle version if you so desire)
• add the following to subprojects{} block of root build.gradle:

  • apply plugin: "org.sonarqube"
    sonarqube {
        properties {
            property "sonar.coverage.jacoco.xmlReportPaths", "$projectDir.parentFile.path/build/reports/jacoco/codeCoverageReport/codeCoverageReport.xml"
        }
    }

• add a new file to root of project called sonar.gradle with the following contents:

  • apply plugin: "org.sonarqube"
    sonarqube {
       properties {
          property 'sonar.projectName', 'gradle-multimodule'
          property "sonar.projectKey", "gradle-multimodule"
          // Add other analysis parameters here if you don't
          // want to add it to the Sonar scanner command line:
          // property "sonar.host.url", "yoursonarqubeurl"
          // property "sonar.login", "yourlogintoken"
          // etc.
      }
    }

• add apply from: "$project.rootDir/sonar.gradle" to root build.gradle

For other forms of Gradle and Maven code coverage, see test coverage in the SonarSource community forum. There are many other guides in the Community guides section to assist you as well.

Known Issue(s)

• You may notice the Bytecode of dependencies was not provided for analysis of source files, you might end up with less precise results. Bytecode can be provided using sonar.java.libraries property. warning. This is primarily due to the lack of dependencies (i.e. empty dependencies {} block) in this example project, so it is harmless. Your actual project may include dependencies. To ensure not needing to configure sonar.java.binaries, ensure usage of Sonar Scanner for Gradle; setting of sonar.java.binaries is done automatically for you.