SpringBoot2.4.4 Junit5 with JaCoco test coverage is not shown - spring-boot

Question

i am using junit5 with springboot 2.4.4 version. I have integrated jacoco for the test coverage. However my test gets passed but coverage is not shown in it.
Here i am mention a demo class of the concept what i am implemented
public class Calculator {
public int sum() {
return sumPrivate();
}
private int sumPrivate() {
return 100;
}
}
And this is test class of it
public class CalculatorTest {
#Test
public void test() {
assertNotNull(new Calculator().sum());
}
}
i have debugged my class private method gets called but not shown in jacoco code coverage.
And here is my plugin configuration
<plugin>
<artifactId>maven-surefire-plugin</artifactId>
<configuration>
<skip>true</skip>
</configuration>
<executions>
<execution>
<id>unit-test</id>
<phase>test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<skip>${maven.test.skip}</skip>
<argLine>${argLine}</argLine>
<excludes>
<exclude>**/*IntegrationTest.java</exclude>
</excludes>
</configuration>
</execution>
<execution>
<id>integration-test</id>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<skip>${skipITs}</skip>
<argLine>${argLine}</argLine>
<includes>
<include>**/*IntegrationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
</plugin>
<plugin>
<groupId>org.jacoco</groupId>
<artifactId>jacoco-maven-plugin</artifactId>
<version>0.8.6</version>
<configuration>
<skip>${maven.test.skip}</skip>
<destFile>${basedir}/target/coverage-reports/jacoco-unit.exec</destFile>
<dataFile>${basedir}/target/coverage-reports/jacoco-unit.exec</dataFile>
<output>file</output>
<append>true</append>
</configuration>
<executions>
<execution>
<id>jacoco-initialize</id>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>jacoco-site</id>
<phase>verify</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
</executions>
</plugin>

Answer 1

I am still facing this issue right now. I used spring-boot-maven-plugin and some of the classes were coverage were detected. But still it is not a solution!
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<jvmArguments>${argLine}</jvmArguments>
</configuration>
<executions>
<execution>
<id>start-spring-boot</id>
<phase>pre-integration-test</phase>
<goals>
<goal>start</goal>
</goals>
</execution>
<execution>
<id>stop-spring-boot</id>
<phase>post-integration-test</phase>
<goals>
<goal>stop</goal>
</goals>
</execution>
</executions>
</plugin>

Answer 2

You need to specify goal check after test in-order to check coverage.
If you also need to generate report then goal is report
Here are all the possible goals. Got to the end of page.
<executions>
<execution>
<goals>
<goal>prepare-agent</goal>
</goals>
</execution>
<execution>
<id>post-unit-test</id>
<phase>test</phase>
<goals>
<goal>report</goal>
</goals>
</execution>
<execution>
<id>coverage-validation</id>
<goals>
<goal>check</goal>
</goals>
<phase>test</phase>
<configuration>
<rules>
<rule>
<limits>
<limit>
<counter>INSTRUCTION</counter>
<value>COVEREDRATIO</value>
<minimum>0.90</minimum>
</limit>
</limits>
</rule>
</rules>
<haltOnFailure>true</haltOnFailure>
</configuration>
</execution>
</executions>