Add support for parallel JUnit execution to speed up builds.

Author: David Waltermire

cli-processor/src/test/java/gov/nist/secauto/metaschema/cli/processor/ExitCodeTest.java

@@ -15,6 +15,8 @@
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 
 import java.util.LinkedList;
 import java.util.List;
@@ -25,6 +27,7 @@
  * Logging solution based on
  * https://stackoverflow.com/questions/24205093/how-to-create-a-custom-appender-in-log4j2.
  */
+@Execution(value = ExecutionMode.SAME_THREAD, reason = "Log capturing needs to be single threaded")
 class ExitCodeTest {
   private static MockedAppender mockedAppender;
   private static Logger logger;

metaschema-cli/src/test/java/gov/nist/secauto/metaschema/cli/CLITest.java

@@ -14,6 +14,8 @@
 import gov.nist.secauto.metaschema.cli.processor.ExitStatus;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
@@ -28,6 +30,7 @@
 /**
  * Unit test for simple CLI.
  */
+@Execution(value = ExecutionMode.SAME_THREAD, reason = "Log capturing needs to be single threaded")
 public class CLITest {
   private static final ExitCode NO_EXCEPTION_CLASS = null;
 

metaschema-cli/src/test/java/gov/nist/secauto/metaschema/cli/commands/metapath/EvaluateMetapathSubCommandTest.java

@@ -10,9 +10,12 @@
 import gov.nist.secauto.metaschema.cli.CLI;
 
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.parallel.Execution;
+import org.junit.jupiter.api.parallel.ExecutionMode;
 
 import nl.altindag.log.LogCaptor;
 
+@Execution(value = ExecutionMode.SAME_THREAD, reason = "Log capturing needs to be single threaded")
 class EvaluateMetapathSubCommandTest {
 
   @Test

pom.xml

@@ -690,16 +690,39 @@
 				<plugin>
 					<groupId>org.apache.maven.plugins</groupId>
 					<artifactId>maven-surefire-plugin</artifactId>
+					 <dependencies>
+						<dependency>
+							<groupId>me.fabriciorby</groupId>
+							<artifactId>maven-surefire-junit5-tree-reporter</artifactId>
+							<version>1.4.0</version>
+						</dependency>
+					</dependencies>
 					<configuration>
-						<forkCount>1.5C</forkCount>
-						<reuseForks>true</reuseForks>
 						<excludedEnvironmentVariables>
 							<excludedEnvironmentVariable>JAVA_TOOL_OPTIONS</excludedEnvironmentVariable>
 						</excludedEnvironmentVariables>
-						<!-- Use of TCP to transmit events to the plugin -->
-						<forkNode implementation="org.apache.maven.plugin.surefire.extensions.SurefireForkNodeFactory" />
 						<useModulePath>false</useModulePath>
 						<redirectTestOutputToFile>true</redirectTestOutputToFile>
+						<!-- fork configuration -->
+						<forkCount>1.5C</forkCount>
+						<reuseForks>true</reuseForks>
+						<!-- Use of TCP to transmit events to the plugin -->
+						<forkNode implementation="org.apache.maven.plugin.surefire.extensions.SurefireForkNodeFactory" />
+						<!-- Junit5 parallel configuration -->
+						<properties>
+							<configurationParameters>
+								junit.jupiter.execution.parallel.enabled = true
+								junit.jupiter.execution.parallel.mode.default = concurrent
+							</configurationParameters>
+						</properties>
+						<!-- tree reporter configuration -->
+						<reportFormat>plain</reportFormat>
+						<consoleOutputReporter>
+							<disable>true</disable>
+						</consoleOutputReporter>
+						<statelessTestsetInfoReporter
+								implementation="org.apache.maven.plugin.surefire.extensions.junit5.JUnit5StatelessTestsetInfoTreeReporter">
+						</statelessTestsetInfoReporter>
 					</configuration>
 				</plugin>
 				<plugin>