spring-projectsGH-2481: Global Embedded Broker and JUnit Platform

Resolves spring-projects#2481

The Maven Surefire plugin uses an older version of JUnit platform
which is incompatible with the Global embedded broker.

Check that the platform version is compatible before attempting
to determine if a global embedded broker should be created.

Author: garyrussell

spring-kafka-test/src/main/java/org/springframework/kafka/test/junit/GlobalEmbeddedKafkaTestExecutionListener.java

@@ -84,10 +84,27 @@ public class GlobalEmbeddedKafkaTestExecutionListener implements TestExecutionLi
 	public static final String BROKER_PROPERTIES_LOCATION_PROPERTY_NAME =
 			"spring.kafka.embedded.broker.properties.location";
 
+	private static final boolean JUNIT_PLATFORM_COMPATIBLE;
+
+	static {
+		boolean compat = false;
+		try {
+			TestPlan.class.getDeclaredMethod("getConfigurationParameters");
+			compat = true;
+		}
+		catch (NoSuchMethodException | SecurityException e) {
+			LOGGER.debug("JUnit Platform version must be >= 1.8 to use a global embedded kafka server");
+		}
+		JUNIT_PLATFORM_COMPATIBLE = compat;
+	}
+
 	private EmbeddedKafkaBroker embeddedKafkaBroker;
 
 	@Override
 	public void testPlanExecutionStarted(TestPlan testPlan) {
+		if (!JUNIT_PLATFORM_COMPATIBLE) {
+			return;
+		}
 		ConfigurationParameters configurationParameters = testPlan.getConfigurationParameters();
 		boolean enabled = configurationParameters.getBoolean(LISTENER_ENABLED_PROPERTY_NAME).orElse(false);
 		if (enabled) {