Polish "Unwrap InvocationTargetException in isLogConfigurationMessage"

Closes gh-12958

spring-boot/src/main/java/org/springframework/boot/SpringBootExceptionHandler.java

 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -89,7 +89,6 @@ class SpringBootExceptionHandler implements UncaughtExceptionHandler {
 		if (ex instanceof InvocationTargetException) {
 			return isLogConfigurationMessage(ex.getCause());
 		}
-
 		String message = ex.getMessage();
 		if (message != null) {
 			for (String candidate : LOG_CONFIGURATION_MESSAGES) {

spring-boot/src/test/java/org/springframework/boot/SpringBootExceptionHandlerTest.java → spring-boot/src/test/java/org/springframework/boot/SpringBootExceptionHandlerTests.java

@@ -16,17 +16,13 @@
 
 package org.springframework.boot;
 
+import java.lang.Thread.UncaughtExceptionHandler;
 import java.lang.reflect.InvocationTargetException;
 
-import org.junit.Rule;
 import org.junit.Test;
-import org.mockito.InjectMocks;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnit;
-import org.mockito.junit.MockitoRule;
 
-
-import static org.mockito.ArgumentMatchers.same;
+import static org.mockito.Matchers.same;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.verifyZeroInteractions;
 
@@ -34,48 +30,42 @@ import static org.mockito.Mockito.verifyZeroInteractions;
  * Tests for {@link SpringBootExceptionHandler}.
  *
  * @author Henri Tremblay
+ * @author Andy Wilkinson
  */
-public class SpringBootExceptionHandlerTest {
-
-	@Rule
-	public MockitoRule rule = MockitoJUnit.rule();
+public class SpringBootExceptionHandlerTests {
 
-	@Mock
-	private Thread.UncaughtExceptionHandler parent;
+	private final UncaughtExceptionHandler parent = mock(UncaughtExceptionHandler.class);
 
-	@InjectMocks
-	private SpringBootExceptionHandler handler;
+	private final SpringBootExceptionHandler handler = new SpringBootExceptionHandler(
+			this.parent);
 
 	@Test
-	public void uncaughtException_shouldNotForwardLoggedErrorToParent() {
+	public void uncaughtExceptionDoesNotForwardLoggedErrorToParent() {
 		Thread thread = Thread.currentThread();
 		Exception ex = new Exception();
 		this.handler.registerLoggedException(ex);
-
 		this.handler.uncaughtException(thread, ex);
-
 		verifyZeroInteractions(this.parent);
 	}
 
 	@Test
-	public void uncaughtException_shouldForwardLogConfigurationErrorToParent() {
+	public void uncaughtExceptionForwardsLogConfigurationErrorToParent() {
 		Thread thread = Thread.currentThread();
-		Exception ex = new Exception("[stuff] Logback configuration error detected [stuff]");
+		Exception ex = new Exception(
+				"[stuff] Logback configuration error detected [stuff]");
 		this.handler.registerLoggedException(ex);
-
 		this.handler.uncaughtException(thread, ex);
-
 		verify(this.parent).uncaughtException(same(thread), same(ex));
 	}
 
 	@Test
-	public void uncaughtException_shouldForwardLogConfigurationErrorToParentEvenWhenWrapped() {
+	public void uncaughtExceptionForwardsWrappedLogConfigurationErrorToParent() {
 		Thread thread = Thread.currentThread();
-		Exception ex = new InvocationTargetException(new Exception("[stuff] Logback configuration error detected [stuff]", new Exception()));
+		Exception ex = new InvocationTargetException(new Exception(
+				"[stuff] Logback configuration error detected [stuff]", new Exception()));
 		this.handler.registerLoggedException(ex);
-
 		this.handler.uncaughtException(thread, ex);
-
 		verify(this.parent).uncaughtException(same(thread), same(ex));
 	}
+
 }