/*
* Copyright 2002-2016 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.web.reactive.resource;
import java.time.Duration;
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.web.server.ServerWebExchange;
import static java.util.Collections.singletonList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.mockito.BDDMockito.given;
import static org.mockito.BDDMockito.mock;
import static org.mockito.BDDMockito.never;
import static org.mockito.BDDMockito.times;
import static org.mockito.BDDMockito.verify;
/**
* Unit tests for {@link WebJarsResourceResolver}.
*
* @author Rossen Stoyanchev
* @author Brian Clozel
*/
public class WebJarsResourceResolverTests {
private static final Duration TIMEOUT = Duration.ofSeconds(1);
private List<Resource> locations;
private WebJarsResourceResolver resolver;
private ResourceResolverChain chain;
private ServerWebExchange exchange;
@Before
public void setup() {
// for this to work, an actual WebJar must be on the test classpath
this.locations = singletonList(new ClassPathResource("/META-INF/resources/webjars"));
this.resolver = new WebJarsResourceResolver();
this.chain = mock(ResourceResolverChain.class);
this.exchange = MockServerHttpRequest.get("").toExchange();
}
@Test
public void resolveUrlExisting() {
this.locations = singletonList(new ClassPathResource("/META-INF/resources/webjars/", getClass()));
String file = "/foo/2.3/foo.txt";
given(this.chain.resolveUrlPath(file, this.locations)).willReturn(Mono.just(file));
String actual = this.resolver.resolveUrlPath(file, this.locations, this.chain).block(TIMEOUT);
assertEquals(file, actual);
verify(this.chain, times(1)).resolveUrlPath(file, this.locations);
}
@Test
public void resolveUrlExistingNotInJarFile() {
this.locations = singletonList(new ClassPathResource("/META-INF/resources/webjars/", getClass()));
String file = "foo/foo.txt";
given(this.chain.resolveUrlPath(file, this.locations)).willReturn(Mono.empty());
String actual = this.resolver.resolveUrlPath(file, this.locations, this.chain).block(TIMEOUT);
assertNull(actual);
verify(this.chain, times(1)).resolveUrlPath(file, this.locations);
verify(this.chain, never()).resolveUrlPath("foo/2.3/foo.txt", this.locations);
}
@Test
public void resolveUrlWebJarResource() {
String file = "underscorejs/underscore.js";
String expected = "underscorejs/1.8.3/underscore.js";
given(this.chain.resolveUrlPath(file, this.locations)).willReturn(Mono.empty());
given(this.chain.resolveUrlPath(expected, this.locations)).willReturn(Mono.just(expected));
String actual = this.resolver.resolveUrlPath(file, this.locations, this.chain).block(TIMEOUT);
assertEquals(expected, actual);
verify(this.chain, times(1)).resolveUrlPath(file, this.locations);
verify(this.chain, times(1)).resolveUrlPath(expected, this.locations);
}
@Test
public void resolveUrlWebJarResourceNotFound() {
String file = "something/something.js";
given(this.chain.resolveUrlPath(file, this.locations)).willReturn(Mono.empty());
String actual = this.resolver.resolveUrlPath(file, this.locations, this.chain).block(TIMEOUT);
assertNull(actual);
verify(this.chain, times(1)).resolveUrlPath(file, this.locations);
verify(this.chain, never()).resolveUrlPath(null, this.locations);
}
@Test
public void resolveResourceExisting() {
Resource expected = mock(Resource.class);
this.locations = singletonList(new ClassPathResource("/META-INF/resources/webjars/", getClass()));
String file = "foo/2.3/foo.txt";
given(this.chain.resolveResource(this.exchange, file, this.locations)).willReturn(Mono.just(expected));
Resource actual = this.resolver
.resolveResource(this.exchange, file, this.locations, this.chain)
.block(TIMEOUT);
assertEquals(expected, actual);
verify(this.chain, times(1)).resolveResource(this.exchange, file, this.locations);
}
@Test
public void resolveResourceNotFound() {
String file = "something/something.js";
given(this.chain.resolveResource(this.exchange, file, this.locations)).willReturn(Mono.empty());
Resource actual = this.resolver
.resolveResource(this.exchange, file, this.locations, this.chain)
.block(TIMEOUT);
assertNull(actual);
verify(this.chain, times(1)).resolveResource(this.exchange, file, this.locations);
verify(this.chain, never()).resolveResource(this.exchange, null, this.locations);
}
@Test
public void resolveResourceWebJar() {
this.locations = singletonList(new ClassPathResource("/META-INF/resources/webjars/", getClass()));
String file = "underscorejs/underscore.js";
given(this.chain.resolveResource(this.exchange, file, this.locations)).willReturn(Mono.empty());
Resource expected = mock(Resource.class);
String expectedPath = "underscorejs/1.8.3/underscore.js";
given(this.chain.resolveResource(this.exchange, expectedPath, this.locations))
.willReturn(Mono.just(expected));
Resource actual = this.resolver
.resolveResource(this.exchange, file, this.locations, this.chain)
.block(TIMEOUT);
assertEquals(expected, actual);
verify(this.chain, times(1)).resolveResource(this.exchange, file, this.locations);
}
}