Jacoco reports using surefire:test

[tejaswi pinnaka]

Can jacoco reports be created using mvn initialize surefire:test, because they generated in my case but the coverage shows 0 percent, this happens when running the build remotely. If I run the build on my local using mvn clean test, the reports are generated accurately.

Thanks

[Marc Hoffmann]

Hi,

so what is the exact difference when you the build “remotely”? Maybe comparing both Maven log files gives you an idea.

Regards,

-marc

On 30. Jun 2023, at 20:28, tejaswi pinnaka <tejaswi...@gmail.com> wrote:

Can jacoco reports be created using mvn initialize surefire:test, because they generated in my case but the coverage shows 0 percent, this happens when running the build remotely. If I run the build on my local using mvn clean test, the reports are generated accurately.

Thanks

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[Marc Hoffmann]

Hi, 

> on the remote server it is run using mvn clean surefire:test

If you don’t execute the prepare-agent goal of JaCoCo you will not get code coverage.

Regards,

-marc

On 5. Jul 2023, at 22:48, 'Tejaswi Pinnaka' via JaCoCo and EclEmma Users <jac...@googlegroups.com> wrote:

Hi, 

The difference between my local and remote build is that my local runs with mvn clean test command and the jacoco reports are generated accurately in this scenario. Whereas, on the remote server it is run using mvn clean surefire:test and in this scenario the jacoco aggregate is showing 0 percent coverage. So, I was wondering whether surefire:test wouldn't generate accurate jacoco reports.

Thanks and regards,

Tejaswi

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[tejaswi pinnaka]

Hi Marc,

Thank you for the reply.

<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.10</version>
<executions>
<execution>
<id>prepare-unit-tests</id>
<goals>
<goal>prepare-agent</goal>
</goals>
<configuration>
<destFile>${basedir}/target/jacoco.exec</destFile>
</configuration>
</execution>
</executions>
</plugin>

<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<executions>
<execution>
<id>report-aggregate</id>
<phase>test</phase>
<goals>
<goal>report-aggregate</goal>
</goals>
</execution>
<execution>
<id>merge-results</id>
<phase>test</phase>
<goals>
<goal>merge</goal>
</goals>
<configuration>
<fileSets>
<fileSet>
<directory>${code.coverage.project.folder}</directory>
<includes>
<include>**/jacoco.exec</include>
</includes>
</fileSet>
</fileSets>
<destFile>${code.coverage.overall.data.folder}/aggregate.exec</destFile>
</configuration>
</execution>
</executions>
</plugin>

This is the pom. Report is generated successfully when I use the command mvn clean test but it is generated with zero percentage when I use mvn initialize surefire:test. Does the report generation not work successfully with mvn surefire:test?

[Evgeny Mandrikov]

Please read Maven documentation - https://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html

You bind execution of jacoco goal "report-aggregate" to phase "test",

phase "test" is executed when you run "mvn clean test",
however when you run "mvn initialize surefire:test" you explicitly instruct maven to execute only goal "surefire:test" and not the entire "test" phase and hence jacoco goal "report-aggregate" won't be executed.

[tejaswi pinnaka]

Hi Evgeny,

Thank you so much for your reply. I have integrated surefire:test and jacoco:report-aggregate into a single command like this: mvn initialize surefire:test jacoco:report-aggregate. This couldn't generate the reports too. Is there anyway I can implement any other parts of test phase along with surefire:test to get the jacoco report aggregation working?

Thanks and regards,

Tejaswi