Verify @⁠MockitoBean & @⁠MockitoSpyBean can be used with @⁠ContextHierarchy

See gh-33742

Author: sbrannen

spring-test/src/test/java/org/springframework/test/context/bean/override/example/ExampleServiceCaller.java

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2012-2024 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
+ *
+ *      https://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.bean.override.example;
+
+/**
+ * Example bean for mocking tests that call the {@link ExampleService}.
+ *
+ * @author Phillip Webb
+ * @since 6.2
+ */
+public class ExampleServiceCaller {
+
+	private final ExampleService service;
+
+	public ExampleServiceCaller(ExampleService service) {
+		this.service = service;
+	}
+
+	public ExampleService getService() {
+		return this.service;
+	}
+
+	public String sayGreeting() {
+		return "I say " + this.service.greeting();
+	}
+
+}

spring-test/src/test/java/org/springframework/test/context/bean/override/mockito/MockitoBeanAndContextHierarchyParentTests.java

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+/*
+ * Copyright 2012-2024 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
+ *
+ *      https://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.bean.override.mockito;
+
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
+import org.springframework.test.context.ContextHierarchy;
+import org.springframework.test.context.bean.override.example.ExampleService;
+import org.springframework.test.context.bean.override.example.ExampleServiceCaller;
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.given;
+
+/**
+ * Tests which verify that {@link MockitoBean @MockitoBean} can be used within a
+ * {@link ContextHierarchy @ContextHierarchy}.
+ *
+ * @author Sam Brannen
+ * @author Phillip Webb
+ * @since 6.2
+ * @see MockitoSpyBeanAndContextHierarchyChildTests
+ */
+@SpringJUnitConfig
+public class MockitoBeanAndContextHierarchyParentTests {
+
+	@MockitoBean
+	ExampleService service;
+
+	@Autowired
+	ApplicationContext context;
+
+	@BeforeEach
+	void configureServiceMock() {
+		given(service.greeting()).willReturn("mock");
+	}
+
+	@Test
+	void test() {
+		assertThat(context.getBeanNamesForType(ExampleService.class)).hasSize(1);
+		assertThat(context.getBeanNamesForType(ExampleServiceCaller.class)).isEmpty();
+
+		assertThat(service.greeting()).isEqualTo("mock");
+	}
+
+}

spring-test/src/test/java/org/springframework/test/context/bean/override/mockito/MockitoSpyBeanAndContextHierarchyChildTests.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright 2012-2024 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
+ *
+ *      https://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.bean.override.mockito;
+
+import org.junit.jupiter.api.Test;
+
+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.ContextConfiguration;
+import org.springframework.test.context.ContextHierarchy;
+import org.springframework.test.context.aot.DisabledInAotMode;
+import org.springframework.test.context.bean.override.example.ExampleService;
+import org.springframework.test.context.bean.override.example.ExampleServiceCaller;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests which verify that {@link MockitoBean @MockitoBean} and
+ * {@link MockitoSpyBean @MockitoSpyBean} can be used within a
+ * {@link ContextHierarchy @ContextHierarchy}.
+ *
+ * @author Sam Brannen
+ * @author Phillip Webb
+ * @since 6.2
+ * @see MockitoBeanAndContextHierarchyParentTests
+ */
+@ContextHierarchy(@ContextConfiguration)
+@DisabledInAotMode // @ContextHierarchy is not supported in AOT.
+public class MockitoSpyBeanAndContextHierarchyChildTests extends MockitoBeanAndContextHierarchyParentTests {
+
+	@MockitoSpyBean
+	ExampleServiceCaller serviceCaller;
+
+	@Autowired
+	ApplicationContext context;
+
+
+	@Test
+	@Override
+	void test() {
+		assertThat(context).as("child ApplicationContext").isNotNull();
+		assertThat(context.getParent()).as("parent ApplicationContext").isNotNull();
+		assertThat(context.getParent().getParent()).as("grandparent ApplicationContext").isNull();
+
+		ApplicationContext parentContext = context.getParent();
+		assertThat(parentContext.getBeanNamesForType(ExampleService.class)).hasSize(1);
+		assertThat(parentContext.getBeanNamesForType(ExampleServiceCaller.class)).isEmpty();
+
+		assertThat(context.getBeanNamesForType(ExampleService.class)).hasSize(1);
+		assertThat(context.getBeanNamesForType(ExampleServiceCaller.class)).hasSize(1);
+
+		assertThat(service.greeting()).isEqualTo("mock");
+		assertThat(serviceCaller.sayGreeting()).isEqualTo("I say mock");
+	}
+
+
+	@Configuration(proxyBeanMethods = false)
+	static class ChildConfig {
+
+		@Bean
+		ExampleServiceCaller serviceCaller(ExampleService service) {
+			return new ExampleServiceCaller(service);
+		}
+	}
+
+}