/*
* 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.web.servlet;
import java.io.IOException;
import java.util.EnumSet;
import java.util.Map;
import java.util.Set;
import javax.servlet.DispatcherType;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.annotation.WebInitParam;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.SimpleBeanDefinitionRegistry;
import org.springframework.context.annotation.ScannedGenericBeanDefinition;
import org.springframework.core.type.classreading.SimpleMetadataReaderFactory;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Tests for {@link WebFilterHandler}
*
* @author Andy Wilkinson
*/
public class WebFilterHandlerTests {
private final WebFilterHandler handler = new WebFilterHandler();
private final SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
@Rule
public ExpectedException thrown = ExpectedException.none();
@SuppressWarnings("unchecked")
@Test
public void defaultFilterConfiguration() throws IOException {
ScannedGenericBeanDefinition scanned = new ScannedGenericBeanDefinition(
new SimpleMetadataReaderFactory()
.getMetadataReader(DefaultConfigurationFilter.class.getName()));
this.handler.handle(scanned, this.registry);
BeanDefinition filterRegistrationBean = this.registry
.getBeanDefinition(DefaultConfigurationFilter.class.getName());
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat(propertyValues.get("asyncSupported")).isEqualTo(false);
assertThat((EnumSet<DispatcherType>) propertyValues.get("dispatcherTypes"))
.containsExactly(DispatcherType.REQUEST);
assertThat(((Map<String, String>) propertyValues.get("initParameters")))
.isEmpty();
assertThat((String[]) propertyValues.get("servletNames")).isEmpty();
assertThat((String[]) propertyValues.get("urlPatterns")).isEmpty();
assertThat(propertyValues.get("name"))
.isEqualTo(DefaultConfigurationFilter.class.getName());
assertThat(propertyValues.get("filter")).isEqualTo(scanned);
}
@Test
public void filterWithCustomName() throws IOException {
ScannedGenericBeanDefinition scanned = new ScannedGenericBeanDefinition(
new SimpleMetadataReaderFactory()
.getMetadataReader(CustomNameFilter.class.getName()));
this.handler.handle(scanned, this.registry);
BeanDefinition filterRegistrationBean = this.registry.getBeanDefinition("custom");
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat(propertyValues.get("name")).isEqualTo("custom");
}
@Test
public void asyncSupported() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
AsyncSupportedFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat(propertyValues.get("asyncSupported")).isEqualTo(true);
}
@Test
@SuppressWarnings("unchecked")
public void dispatcherTypes() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
DispatcherTypesFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat((Set<DispatcherType>) propertyValues.get("dispatcherTypes"))
.containsExactly(DispatcherType.FORWARD, DispatcherType.INCLUDE,
DispatcherType.REQUEST);
}
@SuppressWarnings("unchecked")
@Test
public void initParameters() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
InitParametersFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat((Map<String, String>) propertyValues.get("initParameters"))
.containsEntry("a", "alpha").containsEntry("b", "bravo");
}
@Test
public void servletNames() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
ServletNamesFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat((String[]) propertyValues.get("servletNames")).contains("alpha",
"bravo");
}
@Test
public void urlPatterns() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
UrlPatternsFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat((String[]) propertyValues.get("urlPatterns")).contains("alpha",
"bravo");
}
@Test
public void urlPatternsFromValue() throws IOException {
BeanDefinition filterRegistrationBean = getBeanDefinition(
UrlPatternsFromValueFilter.class);
MutablePropertyValues propertyValues = filterRegistrationBean.getPropertyValues();
assertThat((String[]) propertyValues.get("urlPatterns")).contains("alpha",
"bravo");
}
@Test
public void urlPatternsDeclaredTwice() throws IOException {
this.thrown.expect(IllegalStateException.class);
this.thrown.expectMessage(
"The urlPatterns and value attributes are mutually exclusive.");
getBeanDefinition(UrlPatternsDeclaredTwiceFilter.class);
}
BeanDefinition getBeanDefinition(Class<?> filterClass) throws IOException {
ScannedGenericBeanDefinition scanned = new ScannedGenericBeanDefinition(
new SimpleMetadataReaderFactory()
.getMetadataReader(filterClass.getName()));
this.handler.handle(scanned, this.registry);
return this.registry.getBeanDefinition(filterClass.getName());
}
@WebFilter
class DefaultConfigurationFilter extends BaseFilter {
}
@WebFilter(asyncSupported = true)
class AsyncSupportedFilter extends BaseFilter {
}
@WebFilter(dispatcherTypes = { DispatcherType.REQUEST, DispatcherType.FORWARD,
DispatcherType.INCLUDE })
class DispatcherTypesFilter extends BaseFilter {
}
@WebFilter(initParams = { @WebInitParam(name = "a", value = "alpha"),
@WebInitParam(name = "b", value = "bravo") })
class InitParametersFilter extends BaseFilter {
}
@WebFilter(servletNames = { "alpha", "bravo" })
class ServletNamesFilter extends BaseFilter {
}
@WebFilter(urlPatterns = { "alpha", "bravo" })
class UrlPatternsFilter extends BaseFilter {
}
@WebFilter({ "alpha", "bravo" })
class UrlPatternsFromValueFilter extends BaseFilter {
}
@WebFilter(value = { "alpha", "bravo" }, urlPatterns = { "alpha", "bravo" })
class UrlPatternsDeclaredTwiceFilter extends BaseFilter {
}
@WebFilter(filterName = "custom")
class CustomNameFilter extends BaseFilter {
}
class BaseFilter implements Filter {
@Override
public void init(FilterConfig filterConfig) throws ServletException {
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
}
@Override
public void destroy() {
}
}
}