/*
* Copyright 2012-2017 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.web.server;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.ListableBeanFactory;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
/**
* Tests for {@link WebServerFactoryCustomizerBeanPostProcessor}.
*
* @author Phillip Webb
*/
public class WebServerFactoryCustomizerBeanPostProcessorTests {
@Rule
public ExpectedException thrown = ExpectedException.none();
private WebServerFactoryCustomizerBeanPostProcessor processor = new WebServerFactoryCustomizerBeanPostProcessor();
@Mock
private ListableBeanFactory beanFactory;
@Before
public void setup() {
MockitoAnnotations.initMocks(this);
this.processor.setBeanFactory(this.beanFactory);
}
@Test
public void setBeanFactoryWhenNotListableShouldThrowException() throws Exception {
this.thrown.expect(IllegalArgumentException.class);
this.thrown.expectMessage("WebServerCustomizerBeanPostProcessor can only "
+ "be used with a ListableBeanFactory");
this.processor.setBeanFactory(mock(BeanFactory.class));
}
@Test
public void postProcessBeforeShouldReturnBean() throws Exception {
addMockBeans(Collections.emptyMap());
Object bean = new Object();
Object result = this.processor.postProcessBeforeInitialization(bean, "foo");
assertThat(result).isSameAs(bean);
}
@Test
public void postProcessAfterShouldReturnBean() throws Exception {
addMockBeans(Collections.emptyMap());
Object bean = new Object();
Object result = this.processor.postProcessAfterInitialization(bean, "foo");
assertThat(result).isSameAs(bean);
}
@Test
public void postProcessAfterShouldCallInterfaceCustomizers() throws Exception {
Map<String, Object> beans = addInterfaceBeans();
addMockBeans(beans);
postProcessBeforeInitialization(WebServerFactory.class);
assertThat(wasCalled(beans, "one")).isFalse();
assertThat(wasCalled(beans, "two")).isFalse();
assertThat(wasCalled(beans, "all")).isTrue();
}
@Test
public void postProcessAfterWhenWebServerFactoryOneShouldCallInterfaceCustomizers()
throws Exception {
Map<String, Object> beans = addInterfaceBeans();
addMockBeans(beans);
postProcessBeforeInitialization(WebServerFactoryOne.class);
assertThat(wasCalled(beans, "one")).isTrue();
assertThat(wasCalled(beans, "two")).isFalse();
assertThat(wasCalled(beans, "all")).isTrue();
}
@Test
public void postProcessAfterWhenWebServerFactoryTwoShouldCallInterfaceCustomizers()
throws Exception {
Map<String, Object> beans = addInterfaceBeans();
addMockBeans(beans);
postProcessBeforeInitialization(WebServerFactoryTwo.class);
assertThat(wasCalled(beans, "one")).isFalse();
assertThat(wasCalled(beans, "two")).isTrue();
assertThat(wasCalled(beans, "all")).isTrue();
}
private Map<String, Object> addInterfaceBeans() {
WebServerFactoryOneCustomizer oneCustomizer = new WebServerFactoryOneCustomizer();
WebServerFactoryTwoCustomizer twoCustomizer = new WebServerFactoryTwoCustomizer();
WebServerFactoryAllCustomizer allCustomizer = new WebServerFactoryAllCustomizer();
Map<String, Object> beans = new LinkedHashMap<>();
beans.put("one", oneCustomizer);
beans.put("two", twoCustomizer);
beans.put("all", allCustomizer);
return beans;
}
@Test
public void postProcessAfterShouldCallLambdaCustomizers() throws Exception {
List<String> called = new ArrayList<>();
addLambdaBeans(called);
postProcessBeforeInitialization(WebServerFactory.class);
assertThat(called).containsExactly("all");
}
@Test
public void postProcessAfterWhenWebServerFactoryOneShouldCallLambdaCustomizers()
throws Exception {
List<String> called = new ArrayList<>();
addLambdaBeans(called);
postProcessBeforeInitialization(WebServerFactoryOne.class);
assertThat(called).containsExactly("one", "all");
}
@Test
public void postProcessAfterWhenWebServerFactoryTwoShouldCallLambdaCustomizers()
throws Exception {
List<String> called = new ArrayList<>();
addLambdaBeans(called);
postProcessBeforeInitialization(WebServerFactoryTwo.class);
assertThat(called).containsExactly("two", "all");
}
private void addLambdaBeans(List<String> called) {
WebServerFactoryCustomizer<WebServerFactoryOne> one = (f) -> called.add("one");
WebServerFactoryCustomizer<WebServerFactoryTwo> two = (f) -> called.add("two");
WebServerFactoryCustomizer<WebServerFactory> all = (f) -> called.add("all");
Map<String, Object> beans = new LinkedHashMap<String, Object>();
beans.put("one", one);
beans.put("two", two);
beans.put("all", all);
addMockBeans(beans);
}
@SuppressWarnings({ "unchecked", "rawtypes" })
private void addMockBeans(Map<String, ?> beans) {
given(this.beanFactory.getBeansOfType(WebServerFactoryCustomizer.class, false,
false)).willReturn((Map<String, WebServerFactoryCustomizer>) beans);
}
private void postProcessBeforeInitialization(Class<?> type) {
this.processor.postProcessBeforeInitialization(mock(type), "foo");
}
private boolean wasCalled(Map<String, ?> beans, String name) {
return ((MockWebServerFactoryCustomizer<?>) beans.get(name)).wasCalled();
}
private interface WebServerFactoryOne extends WebServerFactory {
}
private interface WebServerFactoryTwo extends WebServerFactory {
}
private static class MockWebServerFactoryCustomizer<T extends WebServerFactory>
implements WebServerFactoryCustomizer<T> {
private boolean called;
@Override
public void customize(T server) {
this.called = true;
}
public boolean wasCalled() {
return this.called;
}
}
private static class WebServerFactoryOneCustomizer
extends MockWebServerFactoryCustomizer<WebServerFactoryOne> {
}
private static class WebServerFactoryTwoCustomizer
extends MockWebServerFactoryCustomizer<WebServerFactoryTwo> {
}
private static class WebServerFactoryAllCustomizer
extends MockWebServerFactoryCustomizer<WebServerFactory> {
}
}