/*
* 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.core.codec;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import org.junit.Test;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
import org.springframework.core.ResolvableType;
import org.springframework.core.io.ByteArrayResource;
import org.springframework.core.io.InputStreamResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.buffer.AbstractDataBufferAllocatingTestCase;
import org.springframework.core.io.buffer.DataBuffer;
import org.springframework.util.MimeTypeUtils;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author Arjen Poutsma
*/
public class ResourceEncoderTests extends AbstractDataBufferAllocatingTestCase {
private final ResourceEncoder encoder = new ResourceEncoder();
@Test
public void canEncode() throws Exception {
assertTrue(this.encoder.canEncode(ResolvableType.forClass(InputStreamResource.class),
MimeTypeUtils.TEXT_PLAIN));
assertTrue(this.encoder.canEncode(ResolvableType.forClass(ByteArrayResource.class),
MimeTypeUtils.TEXT_PLAIN));
assertTrue(this.encoder.canEncode(ResolvableType.forClass(Resource.class),
MimeTypeUtils.TEXT_PLAIN));
assertTrue(this.encoder.canEncode(ResolvableType.forClass(InputStreamResource.class),
MimeTypeUtils.APPLICATION_JSON));
// SPR-15464
assertFalse(this.encoder.canEncode(ResolvableType.NONE, null));
}
@Test
public void encode() throws Exception {
String s = "foo";
Resource resource = new ByteArrayResource(s.getBytes(StandardCharsets.UTF_8));
Mono<Resource> source = Mono.just(resource);
Flux<DataBuffer> output = this.encoder.encode(source, this.bufferFactory,
ResolvableType.forClass(Resource.class),
null, Collections.emptyMap());
StepVerifier.create(output)
.consumeNextWith(stringConsumer(s))
.expectComplete()
.verify();
}
}