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   single: Parallel tests; Faster

Parallel tests

The below shows a snippet of a POM, a proper description will be added in the future. For now though, the below demonstrates how to configure Surefire and control the number of threads and port numbers for those comfortable with Maven.

What?

Why?

How?

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>${maven-surefire-plugin.version}</version>
            <configuration>
                <forkCount>${fork.count}</forkCount>
                <reuseForks>false</reuseForks>
                <argLine>-Xmx768m -Xms768m -XX:MaxPermSize=384m</argLine>
                <systemPropertyVariables>
                    <littlegrid.builder.WkaPort>${starting.thousand.port.number}${surefire.forkNumber}00
                    </littlegrid.builder.WkaPort>
                    <littlegrid.builder.ExtendPort>
                        ${starting.thousand.port.number}${surefire.forkNumber}50
                    </littlegrid.builder.ExtendPort>
                    <littlegrid.builder.ClusterName>littlegridCluster-${surefire.forkNumber}
                    </littlegrid.builder.ClusterName>
                </systemPropertyVariables>
            </configuration>
        </plugin>
...



<properties>
  <starting.thousand.port.number>40</starting.thousand.port.number>
  <fork.count>4</fork.count>