/*
* 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.integration.stream.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.core.MessageSource;
import org.springframework.integration.endpoint.SourcePollingChannelAdapter;
import org.springframework.integration.support.context.NamedComponent;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.Message;
/**
* @author Mark Fisher
* @author Gunnar Hillert
* @author Gary Russell
*/
public class ConsoleInboundChannelAdapterParserTests {
@Before
public void writeTestInput() {
ByteArrayInputStream stream = new ByteArrayInputStream("foo".getBytes());
System.setIn(stream);
}
@Test
public void adapterWithDefaultCharset() {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"consoleInboundChannelAdapterParserTests.xml", ConsoleInboundChannelAdapterParserTests.class);
SourcePollingChannelAdapter adapter = context.getBean("adapterWithDefaultCharset.adapter",
SourcePollingChannelAdapter.class);
MessageSource<?> source = (MessageSource<?>) new DirectFieldAccessor(adapter).getPropertyValue("source");
assertTrue(source instanceof NamedComponent);
assertEquals("adapterWithDefaultCharset.adapter", adapter.getComponentName());
assertEquals("stream:stdin-channel-adapter(character)", adapter.getComponentType());
assertEquals("stream:stdin-channel-adapter(character)", ((NamedComponent) source).getComponentType());
DirectFieldAccessor sourceAccessor = new DirectFieldAccessor(source);
Reader bufferedReader = (Reader) sourceAccessor.getPropertyValue("reader");
assertEquals(BufferedReader.class, bufferedReader.getClass());
DirectFieldAccessor bufferedReaderAccessor = new DirectFieldAccessor(bufferedReader);
Reader reader = (Reader) bufferedReaderAccessor.getPropertyValue("in");
assertEquals(InputStreamReader.class, reader.getClass());
Charset readerCharset = Charset.forName(((InputStreamReader) reader).getEncoding());
assertEquals(Charset.defaultCharset(), readerCharset);
Message<?> message = source.receive();
assertNotNull(message);
assertEquals("foo", message.getPayload());
adapter = context.getBean("pipedAdapterNoCharset.adapter", SourcePollingChannelAdapter.class);
source = adapter.getMessageSource();
assertTrue(TestUtils.getPropertyValue(source, "blockToDetectEOF", Boolean.class));
context.close();
}
@Test
public void adapterWithProvidedCharset() {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
"consoleInboundChannelAdapterParserTests.xml", ConsoleInboundChannelAdapterParserTests.class);
SourcePollingChannelAdapter adapter = context.getBean("adapterWithProvidedCharset.adapter",
SourcePollingChannelAdapter.class);
MessageSource<?> source = adapter.getMessageSource();
DirectFieldAccessor sourceAccessor = new DirectFieldAccessor(source);
Reader bufferedReader = (Reader) sourceAccessor.getPropertyValue("reader");
assertEquals(BufferedReader.class, bufferedReader.getClass());
assertEquals(false, sourceAccessor.getPropertyValue("blockToDetectEOF"));
DirectFieldAccessor bufferedReaderAccessor = new DirectFieldAccessor(bufferedReader);
Reader reader = (Reader) bufferedReaderAccessor.getPropertyValue("in");
assertEquals(InputStreamReader.class, reader.getClass());
Charset readerCharset = Charset.forName(((InputStreamReader) reader).getEncoding());
assertEquals(Charset.forName("UTF-8"), readerCharset);
Message<?> message = source.receive();
assertNotNull(message);
assertEquals("foo", message.getPayload());
adapter = context.getBean("pipedAdapterWithCharset.adapter", SourcePollingChannelAdapter.class);
source = adapter.getMessageSource();
assertTrue(TestUtils.getPropertyValue(source, "blockToDetectEOF", Boolean.class));
bufferedReader = (Reader) sourceAccessor.getPropertyValue("reader");
assertEquals(BufferedReader.class, bufferedReader.getClass());
bufferedReaderAccessor = new DirectFieldAccessor(bufferedReader);
reader = (Reader) bufferedReaderAccessor.getPropertyValue("in");
assertEquals(InputStreamReader.class, reader.getClass());
readerCharset = Charset.forName(((InputStreamReader) reader).getEncoding());
assertEquals(Charset.forName("UTF-8"), readerCharset);
context.close();
}
@Test
public void testConsoleSourceWithInvalidCharset() {
BeanCreationException beanCreationException = null;
try {
new ClassPathXmlApplicationContext("invalidConsoleInboundChannelAdapterParserTests.xml",
ConsoleInboundChannelAdapterParserTests.class).close();
}
catch (BeanCreationException e) {
beanCreationException = e;
}
Throwable rootCause = beanCreationException.getRootCause();
assertEquals(UnsupportedEncodingException.class, rootCause.getClass());
}
}