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SpyBeanWithJdkProxyTests.java
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SpyBeanWithJdkProxyTests.java
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/*
* Copyright 2012-2021 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.boot.test.mock.mockito;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.test.context.junit.jupiter.SpringExtension;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.verify;
/**
* Tests for {@link SpyBean @SpyBean} with a JDK proxy.
*
* @author Andy Wilkinson
*/
@ExtendWith(SpringExtension.class)
public class SpyBeanWithJdkProxyTests {
@Autowired
private ExampleService service;
@SpyBean
private ExampleRepository repository;
@Test
void jdkProxyCanBeSpied() throws Exception {
Example example = this.service.find("id");
assertThat(example.id).isEqualTo("id");
verify(this.repository).find("id");
}
@Configuration(proxyBeanMethods = false)
@Import(ExampleService.class)
static class Config {
@Bean
ExampleRepository dateService() {
return (ExampleRepository) Proxy.newProxyInstance(getClass().getClassLoader(),
new Class<?>[] { ExampleRepository.class }, new InvocationHandler() {
@Override
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
return new Example((String) args[0]);
}
});
}
}
static class ExampleService {
private final ExampleRepository repository;
ExampleService(ExampleRepository repository) {
this.repository = repository;
}
Example find(String id) {
return this.repository.find(id);
}
}
interface ExampleRepository {
Example find(String id);
}
static class Example {
private final String id;
Example(String id) {
this.id = id;
}
}
}