/*
* Copyright 2002-2017 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.web.reactive.resource;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import reactor.core.publisher.Mono;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.mock.http.server.reactive.test.MockServerHttpRequest;
import org.springframework.mock.http.server.reactive.test.MockServerWebExchange;
import org.springframework.web.server.ServerWebExchange;
import static org.junit.Assert.assertEquals;
/**
* Unit tests for {@code ResourceTransformerSupport}.
*
* @author Rossen Stoyanchev
* @author Brian Clozel
*/
public class ResourceTransformerSupportTests {
private ResourceTransformerChain transformerChain;
private TestResourceTransformerSupport transformer;
@Before
public void setup() {
VersionResourceResolver versionResolver = new VersionResourceResolver();
versionResolver.setStrategyMap(Collections.singletonMap("/**", new ContentVersionStrategy()));
PathResourceResolver pathResolver = new PathResourceResolver();
pathResolver.setAllowedLocations(new ClassPathResource("test/", getClass()));
List<ResourceResolver> resolvers = Arrays.asList(versionResolver, pathResolver);
this.transformerChain = new DefaultResourceTransformerChain(new DefaultResourceResolverChain(resolvers), null);
this.transformer = new TestResourceTransformerSupport();
this.transformer.setResourceUrlProvider(createResourceUrlProvider(resolvers));
}
private ResourceUrlProvider createResourceUrlProvider(List<ResourceResolver> resolvers) {
ResourceWebHandler handler = new ResourceWebHandler();
handler.setLocations(Collections.singletonList(new ClassPathResource("test/", getClass())));
handler.setResourceResolvers(resolvers);
ResourceUrlProvider urlProvider = new ResourceUrlProvider();
urlProvider.setHandlerMap(Collections.singletonMap("/resources/**", handler));
return urlProvider;
}
@Test
public void resolveUrlPath() throws Exception {
MockServerWebExchange exchange = MockServerHttpRequest.get("/resources/main.css").toExchange();
String resourcePath = "/resources/bar.css";
Resource css = new ClassPathResource("test/main.css", getClass());
String actual = this.transformer.resolveUrlPath(
resourcePath, exchange, css, this.transformerChain).block(Duration.ofSeconds(5));
assertEquals("/resources/bar-11e16cf79faee7ac698c805cf28248d2.css", actual);
assertEquals("/resources/bar-11e16cf79faee7ac698c805cf28248d2.css", actual);
}
@Test
public void resolveUrlPathWithRelativePath() throws Exception {
Resource css = new ClassPathResource("test/main.css", getClass());
MockServerWebExchange exchange = MockServerHttpRequest.get("").toExchange();
String actual = this.transformer.resolveUrlPath(
"bar.css", exchange, css, this.transformerChain).block(Duration.ofSeconds(5));
assertEquals("bar-11e16cf79faee7ac698c805cf28248d2.css", actual);
}
@Test
public void resolveUrlPathWithRelativePathInParentDirectory() throws Exception {
Resource imagePng = new ClassPathResource("test/images/image.png", getClass());
MockServerWebExchange exchange = MockServerHttpRequest.get("").toExchange();
String actual = this.transformer.resolveUrlPath(
"../bar.css", exchange, imagePng, this.transformerChain).block(Duration.ofSeconds(5));
assertEquals("../bar-11e16cf79faee7ac698c805cf28248d2.css", actual);
}
private static class TestResourceTransformerSupport extends ResourceTransformerSupport {
@Override
public Mono<Resource> transform(ServerWebExchange exchange, Resource resource,
ResourceTransformerChain chain) {
return Mono.error(new IllegalStateException("Should never be called"));
}
}
}