/*
* Copyright 2002-2013 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.integration.transformer;
import static org.junit.Assert.assertEquals;
import java.nio.charset.Charset;
import org.junit.Test;
import org.springframework.messaging.Message;
import org.springframework.messaging.support.GenericMessage;
/**
* @author Mark Fisher
* @author Andrew Cowlin
* @author Gary Russell
*/
public class ObjectToStringTransformerTests {
@Test
public void stringPayload() {
Transformer transformer = new ObjectToStringTransformer();
Message<?> result = transformer.transform(new GenericMessage<String>("foo"));
assertEquals("foo", result.getPayload());
}
@Test
public void objectPayload() {
Transformer transformer = new ObjectToStringTransformer();
Message<?> result = transformer.transform(new GenericMessage<TestBean>(new TestBean()));
assertEquals("test", result.getPayload());
}
@Test
public void byteArrayPayload() throws Exception {
Transformer transformer = new ObjectToStringTransformer();
Message<?> result = transformer.transform(new GenericMessage<byte[]>(("foo" + '\u0fff').getBytes("UTF-8")));
assertEquals("foo" + '\u0fff', result.getPayload());
}
@Test
public void byteArrayPayloadCharset() throws Exception {
String defaultCharsetName = Charset.defaultCharset().toString();
Transformer transformer = new ObjectToStringTransformer(defaultCharsetName);
Message<?> result = transformer.transform(new GenericMessage<byte[]>("foo".getBytes(defaultCharsetName)));
assertEquals("foo", result.getPayload());
}
@Test
public void charArrayPayload() {
Transformer transformer = new ObjectToStringTransformer();
Message<?> result = transformer.transform(new GenericMessage<char[]>("foo".toCharArray()));
assertEquals("foo", result.getPayload());
}
private static class TestBean {
TestBean() {
super();
}
@Override
public String toString() {
return "test";
}
}
}