/*
* Copyright (c) 2002-2012 Alibaba Group Holding Limited.
* All rights reserved.
*
* 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 com.alibaba.citrus.service.resource;
import static org.junit.Assert.*;
import java.util.Set;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
/**
* 测试<code>ResourceLoadingService.trace()</code>功能。
*
* @author Michael Zhou
*/
public class ResourceLoadingServiceTraceTests extends AbstractResourceLoadingTests {
@BeforeClass
public static void initClass() throws Exception {
initFactory("resources-root.xml");
initSubFactory("WEB-INF/resources.xml");
}
@Before
public void init() throws Exception {
resourceLoadingService = (ResourceLoadingService) factory.getBean("resourceLoadingService");
ResourceLoadingService parentService = (ResourceLoadingService) parentFactory.getBean("resourceLoadingService");
assertSame(parentService, resourceLoadingService.getParent());
}
@Test
public void resourceAlias_bySuperLoader() throws Exception {
resourceLoadingService = (ResourceLoadingService) factory.getBean("resourceLoadingService_2");
// /myfolder/testres.txt 映射到<super-loader name="/webroot">
// 和<resource-alias name="/webroot">等效
assertTrace(
true,
"/myfolder/testres.txt", //
"\"/myfolder/testres.txt\" matched resource [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService_2\"", //
"\"/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\"], at \"resources-root.xml\", beanName=\"resourceLoadingService_2\"");
}
@Test
public void getResource_notFound() throws Exception {
assertTrace(
null,
"/not/found.txt", //
"\"/not/found.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/not/found.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_notFound_forCreate() throws Exception {
assertTrace(
false,
ResourceLoadingService.FOR_CREATE,
"/absolute/resource/not/found.txt", //
"\"/absolute/resource/not/found.txt\" matched resource [pattern=\"/absolute/resource\"], at \"resources.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_parent_defaultMapping() throws Exception {
// 当前resource loader中没找到，到parent中找，匹配/
assertTrace(
true,
"/myfolder/testres.txt", //
"\"/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_alias_notFound() throws Exception {
// Alias被匹配，但没找到resource mapping
assertTrace(
null,
"/my/alias1/testres.txt", //
"\"/my/alias1/testres.txt\" matched resource-alias [pattern=\"/my/alias1\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/my/alias2/testres.txt\" matched resource-alias [pattern=\"/my/alias2\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/not/found/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/not/found/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_alias_foundInParent() throws Exception {
// Alias被匹配，从default resource loader中找到资源
assertTrace(
true,
"/my/alias3/testres.txt", //
"\"/my/alias3/testres.txt\" matched resource-alias [pattern=\"/my/alias3\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_internal_found() throws Exception {
// Alias被匹配，internal mapping被找到
assertTrace(
true,
"/my/alias4/testres.txt", //
"\"/my/alias4/testres.txt\" matched resource-alias [pattern=\"/my/alias4\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/my/internal/resource/testres.txt\" matched resource [pattern=\"/my/internal/resource\", internal=\"true\"], at \"resources.xml\", beanName=\"resourceLoadingService\"");
// super-loader被匹配，internal mapping被找到
assertTrace(
true,
"/my/alias5/testres.txt", //
"\"/my/alias5/testres.txt\" matched resource [pattern=\"/my/alias5\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/my/internal/resource/testres.txt\" matched resource [pattern=\"/my/internal/resource\", internal=\"true\"], at \"resources.xml\", beanName=\"resourceLoadingService\"");
// 无parent
resourceLoadingService = resourceLoadingService.getParent();
assertTrace(
true,
"/myfolder/testres.txt", //
"\"/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_internal_notFound() throws Exception {
// 直接找internal mapping是不行的
assertTrace(
null,
"/my/internal/resource/testres.txt", //
"\"/my/internal/resource/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/my/internal/resource/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
// alias映射到parent internal mapping，这样是不行的
assertTrace(
null,
"/my/alias6/testres.txt", //
"\"/my/alias6/testres.txt\" matched resource-alias [pattern=\"/my/alias6\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
// super-loader映射到parent internal mapping，这样是不行的
assertTrace(
null,
"/my/alias7/testres.txt", //
"\"/my/alias7/testres.txt\" matched resource [pattern=\"/my/alias7\"], at \"resources.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
// 无parent
resourceLoadingService = resourceLoadingService.getParent();
assertTrace(
null,
"/webroot/myfolder/testres.txt", //
"\"/webroot/myfolder/testres.txt\" matched resource-alias [pattern=\"/\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"", //
"\"/webroot/webroot/myfolder/testres.txt\" matched resource [pattern=\"/webroot\", internal=\"true\"], at \"resources-root.xml\", beanName=\"resourceLoadingService\"");
}
@Test
public void getResource_noLoaders() throws Exception {
// 匹配，但没有loaders
assertTrace(null,
"/my/resource/testres.txt", //
"\"/my/resource/testres.txt\" matched resource [pattern=\"/my/resource\"], at \"resources.xml\", beanName=\"resourceLoadingService\"");
}
private void assertTrace(Boolean result, String resourceName, String... elements) {
assertTrace(result, ResourceLoadingService.FOR_CREATE, resourceName, elements);
}
private void assertTrace(Boolean result, Set<ResourceLoadingOption> options, String resourceName,
String... elements) {
ResourceTrace trace;
if (options == null) {
trace = resourceLoadingService.trace(resourceName, options);
} else {
trace = resourceLoadingService.trace(resourceName);
}
assertEquals(elements.length, trace.length());
int i = 0;
for (ResourceTraceElement element : trace) {
assertEquals(elements[i++], element.toString());
}
if (result == null) {
assertNull(trace.getResult());
} else {
assertEquals(result, trace.getResult().exists());
}
}
}