/*
* 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.integration.stream.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.io.Writer;
import java.nio.charset.Charset;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mockito;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.integration.handler.MessageHandlerChain;
import org.springframework.integration.stream.CharacterStreamWritingMessageHandler;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessageHandler;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* @author Mark Fisher
* @author Gary Russell
* @author Artem Bilan
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration
public class ConsoleOutboundChannelAdapterParserTests {
@Autowired
@Qualifier("stdoutAdapterWithDefaultCharset.handler")
private MessageHandler stdoutAdapterWithDefaultCharsetHandler;
@Autowired
@Qualifier("stdoutAdapterWithProvidedCharset.handler")
private MessageHandler stdoutAdapterWithProvidedCharsetHandler;
@Autowired
@Qualifier("stderrAdapter.handler")
private MessageHandler stderrAdapterHandler;
@Autowired
@Qualifier("newlineAdapter.handler")
private MessageHandler newlineAdapterHandler;
@Autowired
@Qualifier("stdoutChain.handler")
private MessageHandler stdoutChainHandler;
@Autowired
private MessageChannel stdoutInsideNestedChain;
@Test
public void stdoutAdapterWithDefaultCharset() throws IOException {
BufferedWriter bufferedWriter = TestUtils.getPropertyValue(this.stdoutAdapterWithDefaultCharsetHandler, "writer", BufferedWriter.class);
Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
assertEquals(OutputStreamWriter.class, writer.getClass());
Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
assertEquals(Charset.defaultCharset(), writerCharset);
Object lock = TestUtils.getPropertyValue(writer, "lock");
assertEquals(System.out, lock);
bufferedWriter = Mockito.spy(bufferedWriter);
DirectFieldAccessor dfa = new DirectFieldAccessor(this.stdoutAdapterWithDefaultCharsetHandler);
dfa.setPropertyValue("writer", bufferedWriter);
this.stdoutAdapterWithDefaultCharsetHandler.handleMessage(new GenericMessage<String>("foo"));
verify(bufferedWriter, times(1)).write(eq("foo"));
assertEquals(23, TestUtils.getPropertyValue(this.stdoutAdapterWithDefaultCharsetHandler, "order"));
}
@Test
public void stdoutAdapterWithProvidedCharset() throws IOException {
BufferedWriter bufferedWriter = TestUtils.getPropertyValue(this.stdoutAdapterWithProvidedCharsetHandler, "writer", BufferedWriter.class);
Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
assertEquals(OutputStreamWriter.class, writer.getClass());
Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
assertEquals(Charset.forName("UTF-8"), writerCharset);
Object lock = TestUtils.getPropertyValue(writer, "lock");
assertEquals(System.out, lock);
bufferedWriter = Mockito.spy(bufferedWriter);
DirectFieldAccessor dfa = new DirectFieldAccessor(this.stdoutAdapterWithProvidedCharsetHandler);
dfa.setPropertyValue("writer", bufferedWriter);
this.stdoutAdapterWithProvidedCharsetHandler.handleMessage(new GenericMessage<String>("bar"));
verify(bufferedWriter, times(1)).write(eq("bar"));
}
@Test
public void stdoutAdapterWithInvalidCharset() {
BeanCreationException beanCreationException = null;
try {
new ClassPathXmlApplicationContext("invalidConsoleOutboundChannelAdapterParserTests.xml",
ConsoleOutboundChannelAdapterParserTests.class).close();
}
catch (BeanCreationException e) {
beanCreationException = e;
}
Throwable rootCause = beanCreationException.getRootCause();
assertEquals(UnsupportedEncodingException.class, rootCause.getClass());
}
@Test
public void stderrAdapter() throws IOException {
BufferedWriter bufferedWriter = TestUtils.getPropertyValue(this.stderrAdapterHandler, "writer", BufferedWriter.class);
Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
assertEquals(OutputStreamWriter.class, writer.getClass());
Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
assertEquals(Charset.defaultCharset(), writerCharset);
Object lock = TestUtils.getPropertyValue(writer, "lock");
assertEquals(System.err, lock);
bufferedWriter = Mockito.spy(bufferedWriter);
DirectFieldAccessor dfa = new DirectFieldAccessor(this.stderrAdapterHandler);
dfa.setPropertyValue("writer", bufferedWriter);
this.stderrAdapterHandler.handleMessage(new GenericMessage<String>("bar"));
verify(bufferedWriter, times(1)).write(eq("bar"));
assertEquals(34, TestUtils.getPropertyValue(this.stderrAdapterHandler, "order"));
}
@Test
public void stdoutAdatperWithAppendNewLine() throws IOException {
BufferedWriter bufferedWriter = TestUtils.getPropertyValue(this.newlineAdapterHandler, "writer", BufferedWriter.class);
Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
assertEquals(OutputStreamWriter.class, writer.getClass());
Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
assertEquals(Charset.defaultCharset(), writerCharset);
Object lock = TestUtils.getPropertyValue(writer, "lock");
assertEquals(System.out, lock);
bufferedWriter = Mockito.spy(bufferedWriter);
DirectFieldAccessor dfa = new DirectFieldAccessor(this.newlineAdapterHandler);
dfa.setPropertyValue("writer", bufferedWriter);
this.newlineAdapterHandler.handleMessage(new GenericMessage<String>("bar"));
verify(bufferedWriter, times(1)).write(eq("bar"));
verify(bufferedWriter, times(1)).newLine();
}
@Test //INT-2275
public void stdoutInsideNestedChain() throws IOException {
List<?> handlers = TestUtils.getPropertyValue(this.stdoutChainHandler, "handlers", List.class);
assertEquals(2, handlers.size());
Object chainHandler = handlers.get(1);
assertTrue(chainHandler instanceof MessageHandlerChain);
List<?> nestedChainHandlers = TestUtils.getPropertyValue(chainHandler, "handlers", List.class);
assertEquals(1, nestedChainHandlers.size());
Object stdoutHandler = nestedChainHandlers.get(0);
assertTrue(stdoutHandler instanceof CharacterStreamWritingMessageHandler);
BufferedWriter bufferedWriter = TestUtils.getPropertyValue(stdoutHandler, "writer", BufferedWriter.class);
Writer writer = TestUtils.getPropertyValue(bufferedWriter, "out", Writer.class);
assertEquals(OutputStreamWriter.class, writer.getClass());
Charset writerCharset = Charset.forName(((OutputStreamWriter) writer).getEncoding());
assertEquals(Charset.defaultCharset(), writerCharset);
Object lock = TestUtils.getPropertyValue(writer, "lock");
assertEquals(System.out, lock);
bufferedWriter = Mockito.spy(bufferedWriter);
DirectFieldAccessor dfa = new DirectFieldAccessor(stdoutHandler);
dfa.setPropertyValue("writer", bufferedWriter);
this.stdoutInsideNestedChain.send(new GenericMessage<String>("foo"));
verify(bufferedWriter, times(1)).write(eq("foobar"));
}
}