Support @MockBean on FactoryBeans

Update @MockBean support so that FactoryBean classes can be mocked.

Fixes gh-7439

spring-boot-test/src/main/java/org/springframework/boot/test/mock/mockito/MockitoPostProcessor.java

@@ -184,14 +184,15 @@ public class MockitoPostProcessor extends InstantiationAwareBeanPostProcessorAda
 			BeanDefinitionRegistry registry, MockDefinition definition, Field field) {
 		RootBeanDefinition beanDefinition = createBeanDefinition(definition);
 		String beanName = getBeanName(beanFactory, registry, definition, beanDefinition);
+		String transformedBeanName = BeanFactoryUtils.transformedBeanName(beanName);
 		beanDefinition.getConstructorArgumentValues().addIndexedArgumentValue(1,
 				beanName);
-		if (registry.containsBeanDefinition(beanName)) {
-			registry.removeBeanDefinition(beanName);
+		if (registry.containsBeanDefinition(transformedBeanName)) {
+			registry.removeBeanDefinition(transformedBeanName);
 		}
-		registry.registerBeanDefinition(beanName, beanDefinition);
+		registry.registerBeanDefinition(transformedBeanName, beanDefinition);
 		Object mock = createMock(definition, beanName);
-		beanFactory.registerSingleton(beanName, mock);
+		beanFactory.registerSingleton(transformedBeanName, mock);
 		this.mockitoBeans.add(mock);
 		this.beanNameRegistry.put(definition, beanName);
 		if (field != null) {

spring-boot-test/src/test/java/org/springframework/boot/test/mock/mockito/MockBeanForBeanFactoryIntegrationTests.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2012-2016 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.boot.test.mock.mockito;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+
+/**
+ * Test {@link MockBean} for a factory bean.
+ *
+ * @author Phillip Webb
+ */
+@RunWith(SpringRunner.class)
+public class MockBeanForBeanFactoryIntegrationTests {
+
+	// gh-7439
+
+	@MockBean
+	private TestFactoryBean testFactoryBean;
+
+	@Autowired
+	private ApplicationContext applicationContext;
+
+	@Test
+	@SuppressWarnings({ "unchecked", "rawtypes" })
+	public void testName() throws Exception {
+		TestBean testBean = mock(TestBean.class);
+		given(testBean.hello()).willReturn("amock");
+		given(this.testFactoryBean.getObjectType()).willReturn((Class) TestBean.class);
+		given(this.testFactoryBean.getObject()).willReturn(testBean);
+		TestBean bean = this.applicationContext.getBean(TestBean.class);
+		assertThat(bean.hello()).isEqualTo("amock");
+	}
+
+	@Configuration
+	static class Config {
+
+		@Bean
+		public TestFactoryBean testFactoryBean() {
+			return new TestFactoryBean();
+		}
+
+	}
+
+	static class TestFactoryBean implements FactoryBean<TestBean> {
+
+		@Override
+		public TestBean getObject() throws Exception {
+			return new TestBean() {
+
+				@Override
+				public String hello() {
+					return "normal";
+				}
+
+			};
+		}
+
+		@Override
+		public Class<?> getObjectType() {
+			return TestBean.class;
+		}
+
+		@Override
+		public boolean isSingleton() {
+			return false;
+		}
+
+	}
+
+	interface TestBean {
+
+		String hello();
+
+	}
+
+}