Introduce test with XML Spring configuration files

src/test/java/org/springframework/test/context/junit/jupiter/xml/XmlSpringExtensionTests.java

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+/*
+ * Copyright 2002-2016 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.xml;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.util.List;
+
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.support.GenericApplicationContext;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit.jupiter.SpringExtension;
+import org.springframework.test.context.junit.jupiter.SpringExtensionTestSuite;
+import org.springframework.test.context.junit.jupiter.comics.Person;
+
+/**
+ * Integration tests which demonstrate that the Spring TestContext Framework can
+ * be used with the current JUnit 5 snapshots via a single {@link SpringExtension}
+ * in conjunction with XML Spring configuration files.
+ *
+ * <p>To run these tests in an IDE, simply run {@link SpringExtensionTestSuite}
+ * as a JUnit 4 test.
+ *
+ * @author Sam Brannen
+ * @since 5.0
+ * @see SpringExtension
+ */
+@ExtendWith(SpringExtension.class)
+@ContextConfiguration("classpath:test-config.xml")
+class XmlSpringExtensionTests {
+
+	@Autowired
+	Person dilbert;
+
+	@Autowired
+	List<Person> people;
+
+	@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");
+	}
+
+	@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 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");
+	}
+
+}

src/test/resources/test-config.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xmlns:c="http://www.springframework.org/schema/c" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+	<bean id="dilbert" class="org.springframework.test.context.junit.jupiter.comics.Person" c:_="Dilbert" />
+
+	<bean id="wally" class="org.springframework.test.context.junit.jupiter.comics.Person" c:_="Wally" />
+
+</beans>