/*
* 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.Map;
import javax.servlet.annotation.WebInitParam;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
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 WebServletHandler}.
*
* @author Andy Wilkinson
*/
public class WebServletHandlerTests {
private final WebServletHandler handler = new WebServletHandler();
private final SimpleBeanDefinitionRegistry registry = new SimpleBeanDefinitionRegistry();
@Rule
public ExpectedException thrown = ExpectedException.none();
@SuppressWarnings("unchecked")
@Test
public void defaultServletConfiguration() throws IOException {
ScannedGenericBeanDefinition scanned = new ScannedGenericBeanDefinition(
new SimpleMetadataReaderFactory()
.getMetadataReader(DefaultConfigurationServlet.class.getName()));
this.handler.handle(scanned, this.registry);
BeanDefinition servletRegistrationBean = this.registry
.getBeanDefinition(DefaultConfigurationServlet.class.getName());
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat(propertyValues.get("asyncSupported")).isEqualTo(false);
assertThat(((Map<String, String>) propertyValues.get("initParameters")))
.isEmpty();
assertThat((Integer) propertyValues.get("loadOnStartup")).isEqualTo(-1);
assertThat(propertyValues.get("name"))
.isEqualTo(DefaultConfigurationServlet.class.getName());
assertThat((String[]) propertyValues.get("urlMappings")).isEmpty();
assertThat(propertyValues.get("servlet")).isEqualTo(scanned);
}
@Test
public void servletWithCustomName() throws IOException {
ScannedGenericBeanDefinition scanned = new ScannedGenericBeanDefinition(
new SimpleMetadataReaderFactory()
.getMetadataReader(CustomNameServlet.class.getName()));
this.handler.handle(scanned, this.registry);
BeanDefinition servletRegistrationBean = this.registry
.getBeanDefinition("custom");
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat(propertyValues.get("name")).isEqualTo("custom");
}
@Test
public void asyncSupported() throws IOException {
BeanDefinition servletRegistrationBean = getBeanDefinition(
AsyncSupportedServlet.class);
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat(propertyValues.get("asyncSupported")).isEqualTo(true);
}
@SuppressWarnings("unchecked")
@Test
public void initParameters() throws IOException {
BeanDefinition servletRegistrationBean = getBeanDefinition(
InitParametersServlet.class);
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat((Map<String, String>) propertyValues.get("initParameters"))
.containsEntry("a", "alpha").containsEntry("b", "bravo");
}
@Test
public void urlMappings() throws IOException {
BeanDefinition servletRegistrationBean = getBeanDefinition(
UrlPatternsServlet.class);
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat((String[]) propertyValues.get("urlMappings")).contains("alpha",
"bravo");
}
@Test
public void urlMappingsFromValue() throws IOException {
BeanDefinition servletRegistrationBean = getBeanDefinition(
UrlPatternsFromValueServlet.class);
MutablePropertyValues propertyValues = servletRegistrationBean
.getPropertyValues();
assertThat((String[]) propertyValues.get("urlMappings")).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(UrlPatternsDeclaredTwiceServlet.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());
}
@WebServlet
class DefaultConfigurationServlet extends HttpServlet {
}
@WebServlet(asyncSupported = true)
class AsyncSupportedServlet extends HttpServlet {
}
@WebServlet(initParams = { @WebInitParam(name = "a", value = "alpha"),
@WebInitParam(name = "b", value = "bravo") })
class InitParametersServlet extends HttpServlet {
}
@WebServlet(urlPatterns = { "alpha", "bravo" })
class UrlPatternsServlet extends HttpServlet {
}
@WebServlet({ "alpha", "bravo" })
class UrlPatternsFromValueServlet extends HttpServlet {
}
@WebServlet(value = { "alpha", "bravo" }, urlPatterns = { "alpha", "bravo" })
class UrlPatternsDeclaredTwiceServlet extends HttpServlet {
}
@WebServlet(name = "custom")
class CustomNameServlet extends HttpServlet {
}
}