Upgrade to JUnit Jupiter 5.1

Issue: SPR-16408

build.gradle

@@ -47,9 +47,9 @@ configure(allprojects) { project ->
 	ext.hsqldbVersion        = "2.4.0"
 	ext.jackson2Version      = "2.9.5"
 	ext.jettyVersion         = "9.4.9.v20180320"
-	ext.junitJupiterVersion  = "5.0.3"
-	ext.junitPlatformVersion = "1.0.3"
-	ext.junitVintageVersion  = "4.12.3"
+	ext.junitJupiterVersion  = "5.1.0"
+	ext.junitPlatformVersion = "1.1.0"
+	ext.junitVintageVersion  = "5.1.0"
 	ext.kotlinVersion        = "1.2.31"
 	ext.log4jVersion         = "2.11.0"
 	ext.nettyVersion         = "4.1.22.Final"

spring-test/src/test/java/org/springframework/test/context/junit/jupiter/FailingBeforeAndAfterMethodsSpringExtensionTestCase.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -76,15 +76,15 @@ class FailingBeforeAndAfterMethodsSpringExtensionTestCase {
 	private static Stream<Class<?>> testClasses() {
 		// @formatter:off
 		return Stream.of(
-				AlwaysFailingBeforeTestClassTestCase.class,
-				AlwaysFailingAfterTestClassTestCase.class,
-				AlwaysFailingPrepareTestInstanceTestCase.class,
-				AlwaysFailingBeforeTestMethodTestCase.class,
-				AlwaysFailingBeforeTestExecutionTestCase.class,
-				AlwaysFailingAfterTestExecutionTestCase.class,
-				AlwaysFailingAfterTestMethodTestCase.class,
-				FailingBeforeTransactionTestCase.class,
-				FailingAfterTransactionTestCase.class);
+				AlwaysFailingBeforeTestClassTestKase.class,
+				AlwaysFailingAfterTestClassTestKase.class,
+				AlwaysFailingPrepareTestInstanceTestKase.class,
+				AlwaysFailingBeforeTestMethodTestKase.class,
+				AlwaysFailingBeforeTestExecutionTestKase.class,
+				AlwaysFailingAfterTestExecutionTestKase.class,
+				AlwaysFailingAfterTestMethodTestKase.class,
+				FailingBeforeTransactionTestKase.class,
+				FailingAfterTransactionTestKase.class);
 		// @formatter:on
 	}
 
@@ -131,16 +131,16 @@ class FailingBeforeAndAfterMethodsSpringExtensionTestCase {
 	}
 
 	private int getExpectedStartedCount(Class<?> testClass) {
-		return (testClass == AlwaysFailingBeforeTestClassTestCase.class ? 0 : 1);
+		return (testClass == AlwaysFailingBeforeTestClassTestKase.class ? 0 : 1);
 	}
 
 	private int getExpectedSucceededCount(Class<?> testClass) {
-		return (testClass == AlwaysFailingAfterTestClassTestCase.class ? 1 : 0);
+		return (testClass == AlwaysFailingAfterTestClassTestKase.class ? 1 : 0);
 	}
 
 	private int getExpectedFailedCount(Class<?> testClass) {
-		if (testClass == AlwaysFailingBeforeTestClassTestCase.class
-				|| testClass == AlwaysFailingAfterTestClassTestCase.class) {
+		if (testClass == AlwaysFailingBeforeTestClassTestKase.class
+				|| testClass == AlwaysFailingAfterTestClassTestKase.class) {
 			return 0;
 		}
 		return 1;
@@ -214,36 +214,44 @@ class FailingBeforeAndAfterMethodsSpringExtensionTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingBeforeTestClassTestExecutionListener.class)
-	private static class AlwaysFailingBeforeTestClassTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingBeforeTestClassTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingAfterTestClassTestExecutionListener.class)
-	private static class AlwaysFailingAfterTestClassTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingAfterTestClassTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingPrepareTestInstanceTestExecutionListener.class)
-	private static class AlwaysFailingPrepareTestInstanceTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingPrepareTestInstanceTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingBeforeTestMethodTestExecutionListener.class)
-	private static class AlwaysFailingBeforeTestMethodTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingBeforeTestMethodTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingBeforeTestExecutionTestExecutionListener.class)
-	private static class AlwaysFailingBeforeTestExecutionTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingBeforeTestExecutionTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingAfterTestExecutionTestExecutionListener.class)
-	private static class AlwaysFailingAfterTestExecutionTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingAfterTestExecutionTestKase extends BaseTestCase {
 	}
 
 	@TestExecutionListeners(AlwaysFailingAfterTestMethodTestExecutionListener.class)
-	private static class AlwaysFailingAfterTestMethodTestCase extends BaseTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class AlwaysFailingAfterTestMethodTestKase extends BaseTestCase {
 	}
 
 	@SpringJUnitConfig(DatabaseConfig.class)
 	@Transactional
-	private static class FailingBeforeTransactionTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class FailingBeforeTransactionTestKase {
 
 		@Test
 		void testNothing() {
@@ -257,7 +265,8 @@ class FailingBeforeAndAfterMethodsSpringExtensionTestCase {
 
 	@SpringJUnitConfig(DatabaseConfig.class)
 	@Transactional
-	private static class FailingAfterTransactionTestCase {
+	// TestKase with a "K" so that it's not picked up by the suite or build
+	static class FailingAfterTransactionTestKase {
 
 		@Test
 		void testNothing() {

spring-test/src/test/java/org/springframework/test/context/junit/jupiter/RegisterExtensionSpringExtensionTestCase.java

@@ -0,0 +1,220 @@
+/*
+ * Copyright 2002-2018 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.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.test.context.junit.jupiter;
+
+import java.util.List;
+import java.util.Optional;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.TestInfo;
+import org.junit.jupiter.api.TestReporter;
+import org.junit.jupiter.api.extension.RegisterExtension;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.GenericApplicationContext;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.junit.SpringJUnitJupiterTestSuite;
+import org.springframework.test.context.junit.jupiter.comics.Cat;
+import org.springframework.test.context.junit.jupiter.comics.Dog;
+import org.springframework.test.context.junit.jupiter.comics.Person;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+/**
+ * Integration tests which demonstrate that the Spring TestContext Framework can be used
+ * with JUnit Jupiter by registering the {@link SpringExtension} via a static field.
+ * Note, however, that this is not the recommended way to register the {@code SpringExtension}.
+ *
+ * <p>
+ * To run these tests in an IDE that does not have built-in support for the JUnit
+ * Platform, simply run {@link SpringJUnitJupiterTestSuite} as a JUnit 4 test.
+ *
+ * @author Sam Brannen
+ * @since 5.1
+ * @see SpringExtensionTestCase
+ * @see SpringExtension
+ * @see RegisterExtension
+ */
+@ContextConfiguration(classes = TestConfig.class)
+@TestPropertySource(properties = "enigma = 42")
+class RegisterExtensionSpringExtensionTestCase {
+
+	@RegisterExtension
+	static final SpringExtension springExtension = new SpringExtension();
+
+	@Autowired
+	Person dilbert;
+
+	@Autowired
+	List<Person> people;
+
+	@Autowired
+	Dog dog;
+
+	@Autowired
+	Cat cat;
+
+	@Autowired
+	List<Cat> cats;
+
+	@Value("${enigma}")
+	Integer enigma;
+
+	@Test
+	void applicationContextInjectedIntoMethod(ApplicationContext applicationContext) {
+		assertNotNull(applicationContext,
+				"ApplicationContext should have been injected by Spring");
+		assertEquals(this.dilbert, applicationContext.getBean("dilbert", Person.class));
+	}
+
+	@Test
+	void genericApplicationContextInjectedIntoMethod(
+			GenericApplicationContext applicationContext) {
+		assertNotNull(applicationContext,
+				"GenericApplicationContext should have been injected by Spring");
+		assertEquals(this.dilbert, applicationContext.getBean("dilbert", Person.class));
+	}
+
+	@Test
+	void autowiredFields() {
+		assertNotNull(this.dilbert, "Dilbert should have been @Autowired by Spring");
+		assertEquals("Dilbert", this.dilbert.getName(), "Person's name");
+		assertEquals(2, this.people.size(), "Number of people in context");
+
+		assertNotNull(this.dog, "Dogbert should have been @Autowired by Spring");
+		assertEquals("Dogbert", this.dog.getName(), "Dog's name");
+
+		assertNotNull(this.cat,
+				"Catbert should have been @Autowired by Spring as the @Primary cat");
+		assertEquals("Catbert", this.cat.getName(), "Primary cat's name");
+		assertEquals(2, this.cats.size(), "Number of cats in context");
+
+		assertNotNull(this.enigma,
+				"Enigma should have been injected via @Value by Spring");
+		assertEquals(Integer.valueOf(42), this.enigma, "enigma");
+	}
+
+	@Test
+	void autowiredParameterByTypeForSingleBean(@Autowired Dog dog) {
+		assertNotNull(dog, "Dogbert should have been @Autowired by Spring");
+		assertEquals("Dogbert", dog.getName(), "Dog's name");
+	}
+
+	@Test
+	void autowiredParameterByTypeForPrimaryBean(@Autowired Cat primaryCat) {
+		assertNotNull(primaryCat, "Primary cat should have been @Autowired by Spring");
+		assertEquals("Catbert", primaryCat.getName(), "Primary cat's name");
+	}
+
+	@Test
+	void autowiredParameterWithExplicitQualifier(@Qualifier("wally") Person person) {
+		assertNotNull(person, "Wally should have been @Autowired by Spring");
+		assertEquals("Wally", person.getName(), "Person's name");
+	}
+
+	/**
+	 * NOTE: Test code must be compiled with "-g" (debug symbols) or "-parameters" in
+	 * order for the parameter name to be used as the qualifier; otherwise, use
+	 * {@code @Qualifier("wally")}.
+	 */
+	@Test
+	void autowiredParameterWithImplicitQualifierBasedOnParameterName(
+			@Autowired Person wally) {
+		assertNotNull(wally, "Wally should have been @Autowired by Spring");
+		assertEquals("Wally", wally.getName(), "Person's name");
+	}
+
+	@Test
+	void autowiredParameterAsJavaUtilOptional(@Autowired Optional<Dog> dog) {
+		assertNotNull(dog, "Optional dog should have been @Autowired by Spring");
+		assertTrue(dog.isPresent(), "Value of Optional should be 'present'");
+		assertEquals("Dogbert", dog.get().getName(), "Dog's name");
+	}
+
+	@Test
+	void autowiredParameterThatDoesNotExistAsJavaUtilOptional(
+			@Autowired Optional<Number> number) {
+		assertNotNull(number, "Optional number should have been @Autowired by Spring");
+		assertFalse(number.isPresent(),
+				"Value of Optional number should not be 'present'");
+	}
+
+	@Test
+	void autowiredParameterThatDoesNotExistButIsNotRequired(
+			@Autowired(required = false) Number number) {
+		assertNull(number,
+				"Non-required number should have been @Autowired as 'null' by Spring");
+	}
+
+	@Test
+	void autowiredParameterOfList(@Autowired List<Person> peopleParam) {
+		assertNotNull(peopleParam,
+				"list of people should have been @Autowired by Spring");
+		assertEquals(2, peopleParam.size(), "Number of people in context");
+	}
+
+	@Test
+	void valueParameterWithPrimitiveType(@Value("99") int num) {
+		assertEquals(99, num);
+	}
+
+	@Test
+	void valueParameterFromPropertyPlaceholder(@Value("${enigma}") Integer enigmaParam) {
+		assertNotNull(enigmaParam,
+				"Enigma should have been injected via @Value by Spring");
+		assertEquals(Integer.valueOf(42), enigmaParam, "enigma");
+	}
+
+	@Test
+	void valueParameterFromDefaultValueForPropertyPlaceholder(
+			@Value("${bogus:false}") Boolean defaultValue) {
+		assertNotNull(defaultValue,
+				"Default value should have been injected via @Value by Spring");
+		assertEquals(false, defaultValue, "default value");
+	}
+
+	@Test
+	void valueParameterFromSpelExpression(@Value("#{@dilbert.name}") String name) {
+		assertNotNull(name,
+				"Dilbert's name should have been injected via SpEL expression in @Value by Spring");
+		assertEquals("Dilbert", name, "name from SpEL expression");
+	}
+
+	@Test
+	void valueParameterFromSpelExpressionWithNestedPropertyPlaceholder(
+			@Value("#{'Hello ' + ${enigma}}") String hello) {
+		assertNotNull(hello,
+				"hello should have been injected via SpEL expression in @Value by Spring");
+		assertEquals("Hello 42", hello, "hello from SpEL expression");
+	}
+
+	@Test
+	void junitAndSpringMethodInjectionCombined(@Autowired Cat kittyCat, TestInfo testInfo,
+			ApplicationContext context, TestReporter testReporter) {
+
+		assertNotNull(testInfo, "TestInfo should have been injected by JUnit");
+		assertNotNull(testReporter, "TestReporter should have been injected by JUnit");
+
+		assertNotNull(context, "ApplicationContext should have been injected by Spring");
+		assertNotNull(kittyCat, "Cat should have been @Autowired by Spring");
+	}
+
+}