/*
* Copyright 2002-2014 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.web.servlet.resource;
import java.util.ArrayList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;
import org.springframework.cache.Cache;
import org.springframework.cache.concurrent.ConcurrentMapCache;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import static org.junit.Assert.*;
/**
* Unit tests for
* {@link org.springframework.web.servlet.resource.CachingResourceResolver}.
*
* @author Rossen Stoyanchev
*/
public class CachingResourceResolverTests {
private Cache cache;
private ResourceResolverChain chain;
private List<Resource> locations;
@Before
public void setup() {
this.cache = new ConcurrentMapCache("resourceCache");
List<ResourceResolver> resolvers = new ArrayList<>();
resolvers.add(new CachingResourceResolver(this.cache));
resolvers.add(new PathResourceResolver());
this.chain = new DefaultResourceResolverChain(resolvers);
this.locations = new ArrayList<>();
this.locations.add(new ClassPathResource("test/", getClass()));
}
@Test
public void resolveResourceInternal() {
String file = "bar.css";
Resource expected = new ClassPathResource("test/" + file, getClass());
Resource actual = this.chain.resolveResource(null, file, this.locations);
assertEquals(expected, actual);
}
@Test
public void resolveResourceInternalFromCache() {
Resource expected = Mockito.mock(Resource.class);
this.cache.put(CachingResourceResolver.RESOLVED_RESOURCE_CACHE_KEY_PREFIX + "bar.css", expected);
String file = "bar.css";
Resource actual = this.chain.resolveResource(null, file, this.locations);
assertSame(expected, actual);
}
@Test
public void resolveResourceInternalNoMatch() {
assertNull(this.chain.resolveResource(null, "invalid.css", this.locations));
}
@Test
public void resolverUrlPath() {
String expected = "/foo.css";
String actual = this.chain.resolveUrlPath(expected, this.locations);
assertEquals(expected, actual);
}
@Test
public void resolverUrlPathFromCache() {
String expected = "cached-imaginary.css";
this.cache.put(CachingResourceResolver.RESOLVED_URL_PATH_CACHE_KEY_PREFIX + "imaginary.css", expected);
String actual = this.chain.resolveUrlPath("imaginary.css", this.locations);
assertEquals(expected, actual);
}
@Test
public void resolverUrlPathNoMatch() {
assertNull(this.chain.resolveUrlPath("invalid.css", this.locations));
}
}