/*
* 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.util.Collections;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import reactor.core.publisher.Flux;
import reactor.test.StepVerifier;
import org.springframework.core.ResolvableType;
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 Sebastien Deleuze
*/
@RunWith(Parameterized.class)
public class CharSequenceEncoderTests extends AbstractDataBufferAllocatingTestCase {
private CharSequenceEncoder encoder;
@Before
public void createEncoder() {
this.encoder = CharSequenceEncoder.textPlainOnly();
}
@Test
public void canWrite() {
assertTrue(this.encoder.canEncode(ResolvableType.forClass(String.class),
MimeTypeUtils.TEXT_PLAIN));
assertTrue(this.encoder.canEncode(ResolvableType.forClass(StringBuilder.class),
MimeTypeUtils.TEXT_PLAIN));
assertTrue(this.encoder.canEncode(ResolvableType.forClass(StringBuffer.class),
MimeTypeUtils.TEXT_PLAIN));
assertFalse(this.encoder.canEncode(ResolvableType.forClass(Integer.class),
MimeTypeUtils.TEXT_PLAIN));
assertFalse(this.encoder.canEncode(ResolvableType.forClass(String.class),
MimeTypeUtils.APPLICATION_JSON));
// SPR-15464
assertFalse(this.encoder.canEncode(ResolvableType.NONE, null));
}
@Test
public void writeString() {
Flux<String> stringFlux = Flux.just("foo");
Flux<DataBuffer> output = Flux.from(
this.encoder.encode(stringFlux, this.bufferFactory, null, null, Collections.emptyMap()));
StepVerifier.create(output)
.consumeNextWith(stringConsumer("foo"))
.expectComplete()
.verify();
}
@Test
public void writeStringBuilder() {
Flux<StringBuilder> stringBuilderFlux = Flux.just(new StringBuilder("foo"));
Flux<DataBuffer> output = Flux.from(
this.encoder.encode(stringBuilderFlux, this.bufferFactory, null, null, Collections.emptyMap()));
StepVerifier.create(output)
.consumeNextWith(stringConsumer("foo"))
.expectComplete()
.verify();
}
}