junit extensions

Author: bozo1209

src/test/java/guru/springframework/sfgpetclinic/junitextensions/TimingExtension.java

@@ -0,0 +1,38 @@
+package guru.springframework.sfgpetclinic.junitextensions;
+
+import org.junit.jupiter.api.extension.AfterTestExecutionCallback;
+import org.junit.jupiter.api.extension.BeforeTestExecutionCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
+
+import java.lang.reflect.Method;
+import java.util.logging.Logger;
+
+/**
+ * Original source - https://junit.org/junit5/docs/current/user-guide/#extensions-lifecycle-callbacks-timing-extension
+ *
+ * Created by jt on 2018-10-28.
+ */
+public class TimingExtension implements BeforeTestExecutionCallback, AfterTestExecutionCallback {
+
+    private static final Logger logger = Logger.getLogger(TimingExtension.class.getName());
+
+    private static final String START_TIME = "start time";
+
+    @Override
+    public void beforeTestExecution(ExtensionContext context) throws Exception {
+        getStore(context).put(START_TIME, System.currentTimeMillis());
+    }
+
+    @Override
+    public void afterTestExecution(ExtensionContext context) throws Exception {
+        Method testMethod = context.getRequiredTestMethod();
+        long startTime = getStore(context).remove(START_TIME, long.class);
+        long duration = System.currentTimeMillis() - startTime;
+
+        logger.info(() -> String.format("Method [%s] took %s ms.", testMethod.getName(), duration));
+    }
+
+    private ExtensionContext.Store getStore(ExtensionContext context) {
+        return context.getStore(ExtensionContext.Namespace.create(getClass(), context.getRequiredTestMethod()));
+    }
+}

src/test/java/guru/springframework/sfgpetclinic/services/springdatajpa/PetTypeSDJpaServiceIT.java

@@ -1,10 +1,13 @@
 package guru.springframework.sfgpetclinic.services.springdatajpa;
 
+import guru.springframework.sfgpetclinic.junitextensions.TimingExtension;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
 
 import static org.junit.jupiter.api.Assertions.*;
 
+@ExtendWith(TimingExtension.class)
 class PetTypeSDJpaServiceIT {
 
     @BeforeEach