spring BeanCreatingHandlerProviderTests 源码
spring BeanCreatingHandlerProviderTests 代码
文件路径：/spring-websocket/src/test/java/org/springframework/web/socket/handler/BeanCreatingHandlerProviderTests.java
/*
* Copyright 2002-2019 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.web.socket.handler;
import org.junit.jupiter.api.Test;
import org.springframework.beans.BeanInstantiationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.annotation.AnnotationConfigApplicationContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
/**
* Test fixture for {@link BeanCreatingHandlerProvider}.
*
* @author Rossen Stoyanchev
*/
public class BeanCreatingHandlerProviderTests {
@Test
public void getHandlerSimpleInstantiation() {
BeanCreatingHandlerProvider<SimpleEchoHandler> provider =
new BeanCreatingHandlerProvider<>(SimpleEchoHandler.class);
assertThat(provider.getHandler()).isNotNull();
}
@Test
public void getHandlerWithBeanFactory() {
@SuppressWarnings("resource")
ConfigurableApplicationContext context = new AnnotationConfigApplicationContext(Config.class);
BeanCreatingHandlerProvider<EchoHandler> provider =
new BeanCreatingHandlerProvider<>(EchoHandler.class);
provider.setBeanFactory(context.getBeanFactory());
assertThat(provider.getHandler()).isNotNull();
}
@Test
public void getHandlerNoBeanFactory() {
BeanCreatingHandlerProvider<EchoHandler> provider =
new BeanCreatingHandlerProvider<>(EchoHandler.class);
assertThatExceptionOfType(BeanInstantiationException.class).isThrownBy(
provider::getHandler);
}
@Configuration
static class Config {
@Bean
public EchoService echoService() {
return new EchoService();
}
}
public static class SimpleEchoHandler {
}
private static class EchoHandler {
@SuppressWarnings("unused")
private final EchoService service;
@Autowired
public EchoHandler(EchoService service) {
this.service = service;
}
}
private static class EchoService { }
}
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