I’m using JaCoCo, Arquillian and rest-assured to test my RESTFul API. The problem is that I’m getting a 0% code coverage within my JaCoCo report. I’m using a maven profile for test cases, getting a wildfly instance, deploying it on JVM, deploying my API and then running the tests.
I’ve made some researches and reach the point where I know that JaCoCo must be running on same JVM where the .war file is running (What is my case).
As JaCoCo is on the same JVM, I thought the coverage wouldn’t suffer any changes, but it brings me 0%.
Can anyone help me with this?
Follows my maven profile on pom.xml:
<profile>
<id>test-postgresql</id>
<properties>
<datasource.driver>postgresql.jar</datasource.driver>
<datasource.driverClass>org.postgresql.Driver</datasource.driverClass>
<datasource.url>jdbc:postgresql://localhost:5432/security-test</datasource.url>
<datasource.user>postgres</datasource.user>
<datasource.password>a</datasource.password>
</properties>
<dependencies>
<!-- WildFly Container Managed -->
<dependency>
<groupId>org.wildfly</groupId>
<artifactId>wildfly-arquillian-container-managed</artifactId>
<version>${wildfly.version}</version>
<scope>test</scope>
</dependency>
<!-- PostgreSQL JDBC Driver -->
<dependency>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>${jdbc.postgresql.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<!-- Dependency Plugin -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-dependency-plugin</artifactId>
<version>${plugin.dependency.version}</version>
<executions>
<!-- Unpack WildFly -->
<execution>
<id>unpack-wildfly</id>
<phase>pre-integration-test</phase>
<goals>
<goal>unpack</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>org.wildfly</groupId>
<artifactId>wildfly-dist</artifactId>
<version>${wildfly.version}</version>
<type>zip</type>
<overWrite>false</overWrite>
<outputDirectory>target</outputDirectory>
</artifactItem>
</artifactItems>
</configuration>
</execution>
<!-- Deploy JDBC Driver -->
<execution>
<id>copy-driver</id>
<phase>pre-integration-test</phase>
<goals>
<goal>copy</goal>
</goals>
<configuration>
<artifactItems>
<artifactItem>
<groupId>postgresql</groupId>
<artifactId>postgresql</artifactId>
<version>${jdbc.postgresql.version}</version>
<type>jar</type>
<overWrite>false</overWrite>
<outputDirectory>target/wildfly-${wildfly.version}/standalone/deployments</outputDirectory>
<destFileName>${datasource.driver}</destFileName>
</artifactItem>
</artifactItems>
</configuration>
</execution>
</executions>
</plugin>
<!-- Skip Unit Tests -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${plugin.surefire.version}</version>
<configuration>
<skipTests>true</skipTests>
</configuration>
</plugin>
<!-- Integration Tests -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-failsafe-plugin</artifactId>
<version>${plugin.failsafe.version}</version>
<configuration>
<argLine>${jacoco.agent.it.arg}</argLine>
<redirectTestOutputToFile>false</redirectTestOutputToFile>
<systemPropertyVariables>
<java.util.logging.manager>org.jboss.logmanager.LogManager</java.util.logging.manager>
<jboss.home>${project.basedir}/target/wildfly-${wildfly.version}</jboss.home>
<module.path>${project.basedir}/target/wildfly-${wildfly.version}/modules</module.path>
</systemPropertyVariables>
<skipTests>false</skipTests>
<includes>
<include>**/test/**/*.java</include>
</includes>
</configuration>
<executions>
<execution>
<id>integration-test</id>
<goals>
<goal>integration-test</goal>
</goals>
</execution>
<execution>
<id>verify integration-test</id>
<goals>
<goal>verify</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- Liquibase Plugin (Drop Database) -->
<plugin>
<groupId>org.liquibase</groupId>
<artifactId>liquibase-maven-plugin</artifactId>
<version>${liquibase.version}</version>
<configuration>
<driver>${datasource.driverClass}</driver>
<url>${datasource.url}</url>
<username>${datasource.user}</username>
<password>${datasource.password}</password>
<promptOnNonLocalDatabase>false</promptOnNonLocalDatabase>
</configuration>
<executions>
<execution>
<id>drop-database</id>
<phase>pre-integration-test</phase>
<goals>
<goal>dropAll</goal>
</goals>
</execution>
</executions>
</plugin>
<!-- JaCoCo Plugin -->
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${plugin.jacoco.version}</version>
<dependencies>
<!-- JaCoCo -->
<dependency>
<groupId>org.jacoco</groupId>
<artifactId>org.jacoco.core</artifactId>
<version>${plugin.jacoco.version}</version>
</dependency>
<!-- Arquillian JaCoCo -->
<dependency>
<groupId>org.jboss.arquillian.extension</groupId>
<artifactId>arquillian-jacoco</artifactId>
<version>1.0.0.Alpha8</version>
</dependency>
</dependencies>
<configuration>
<append>true</append>
</configuration>
<executions>
<execution>
<id>jacoco-agent</id>
<phase>pre-integration-test</phase>
<goals>
<goal>prepare-agent-integration</goal>
</goals>
<configuration>
<destFile>${sonar.jacoco.itReportPath}</destFile>
<propertyName>jacoco.agent.it.arg</propertyName>
<append>true</append>
</configuration>
</execution>
<execution>
<id>jacoco-report</id>
<phase>post-integration-test</phase>
<goals>
<goal>report-integration</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</profile>
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Answer
I’ve had to configure the JaCoCo agent when Arquillian started the container. Actually, my jacoco plugin becomes:
pom.xml
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>${plugin.jacoco.version}</version>
<executions>
<execution>
<id>jacoco-prepare</id>
<phase>validate</phase>
<goals>
<goal>prepare-agent-integration</goal>
</goals>
<configuration>
<propertyName>jacoco.agent</propertyName>
</configuration>
</execution>
<execution>
<id>jacoco-report</id>
<phase>post-integration-test</phase>
<goals>
<goal>report-integration</goal>
</goals>
</execution>
</executions>
</plugin>
In the arquillian.xml arguments, add the ${jacoco.agent} variable at the end of “javaVmArguments” property. Like this:
<property name="javaVmArguments">-Djboss.socket.binding.port-offset=10000 -Xms512m -Xmx1024m -XX:MaxPermSize=512m ${arquillian.debug} ${jacoco.agent}</property>