/*
* 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.file.config;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
import java.io.File;
import java.lang.reflect.Method;
import java.nio.charset.Charset;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.DirectFieldAccessor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.expression.Expression;
import org.springframework.integration.endpoint.EventDrivenConsumer;
import org.springframework.integration.file.DefaultFileNameGenerator;
import org.springframework.integration.file.FileWritingMessageHandler;
import org.springframework.integration.file.FileWritingMessageHandler.MessageFlushPredicate;
import org.springframework.integration.file.support.FileExistsMode;
import org.springframework.integration.handler.advice.AbstractRequestHandlerAdvice;
import org.springframework.integration.test.util.TestUtils;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageChannel;
import org.springframework.messaging.MessagingException;
import org.springframework.messaging.support.GenericMessage;
import org.springframework.test.annotation.DirtiesContext;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.FileCopyUtils;
import org.springframework.util.ReflectionUtils;
/**
* @author Mark Fisher
* @author Marius Bogoevici
* @author Iwein Fuld
* @author Gary Russell
* @author Oleg Zhurakousky
* @author Gunnar Hillert
* @author Tony Falabella
* @author Artem Bilan
*
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
@DirtiesContext
public class FileOutboundChannelAdapterParserTests {
@Autowired
EventDrivenConsumer simpleAdapter;
@Autowired
EventDrivenConsumer adapterWithCustomNameGenerator;
@Autowired
EventDrivenConsumer adapterWithDeleteFlag;
@Autowired
EventDrivenConsumer adapterWithOrder;
@Autowired
EventDrivenConsumer adapterWithFlushing;
@Autowired
EventDrivenConsumer adapterWithCharset;
@Autowired
EventDrivenConsumer adapterWithDirectoryExpression;
@Autowired
EventDrivenConsumer adapterWithAppendNewLine;
@Autowired
MessageChannel usageChannel;
@Autowired
MessageChannel adapterUsageWithAppendAndAppendNewLineTrue;
@Autowired
MessageChannel adapterUsageWithAppendAndAppendNewLineFalse;
@Autowired
MessageChannel usageChannelWithFailMode;
@Autowired
MessageChannel usageChannelWithIgnoreMode;
@Autowired
MessageChannel usageChannelConcurrent;
@Autowired
CountDownLatch fileWriteLatch;
@Autowired
MessageFlushPredicate predicate;
private volatile static int adviceCalled;
@Test
public void simpleAdapter() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(simpleAdapter);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
File expected = new File(System.getProperty("java.io.tmpdir"));
Expression destinationDirectoryExpression =
(Expression) handlerAccessor.getPropertyValue("destinationDirectoryExpression");
File actual = new File(destinationDirectoryExpression.getExpressionString());
assertEquals(".foo", TestUtils.getPropertyValue(handler, "temporaryFileSuffix", String.class));
assertThat(actual, is(expected));
DefaultFileNameGenerator fileNameGenerator =
(DefaultFileNameGenerator) handlerAccessor.getPropertyValue("fileNameGenerator");
assertNotNull(fileNameGenerator);
Expression expression = TestUtils.getPropertyValue(fileNameGenerator, "expression", Expression.class);
assertNotNull(expression);
assertEquals("'foo.txt'", expression.getExpressionString());
assertEquals(Boolean.FALSE, handlerAccessor.getPropertyValue("deleteSourceFiles"));
assertEquals(Boolean.TRUE, handlerAccessor.getPropertyValue("flushWhenIdle"));
}
@Test
public void adapterWithCustomFileNameGenerator() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithCustomNameGenerator);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
File expected = new File(System.getProperty("java.io.tmpdir"));
Expression destinationDirectoryExpression =
(Expression) handlerAccessor.getPropertyValue("destinationDirectoryExpression");
File actual = new File(destinationDirectoryExpression.getExpressionString());
assertEquals(expected, actual);
assertTrue(handlerAccessor.getPropertyValue("fileNameGenerator") instanceof CustomFileNameGenerator);
assertEquals(".writing", handlerAccessor.getPropertyValue("temporaryFileSuffix"));
assertEquals(Boolean.FALSE, handlerAccessor.getPropertyValue("flushWhenIdle"));
}
@Test
public void adapterWithDeleteFlag() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithDeleteFlag);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
assertEquals(Boolean.TRUE, handlerAccessor.getPropertyValue("deleteSourceFiles"));
}
@Test
public void adapterWithOrder() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithOrder);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
assertEquals(555, handlerAccessor.getPropertyValue("order"));
}
@Test
public void adapterWithFlushing() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithFlushing);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
assertEquals(4096, handlerAccessor.getPropertyValue("bufferSize"));
assertEquals(12345L, handlerAccessor.getPropertyValue("flushInterval"));
assertEquals(FileExistsMode.APPEND_NO_FLUSH, handlerAccessor.getPropertyValue("fileExistsMode"));
assertSame(this.predicate, handlerAccessor.getPropertyValue("flushPredicate"));
}
@Test
public void adapterWithAutoStartupFalse() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithOrder);
assertEquals(Boolean.FALSE, adapterAccessor.getPropertyValue("autoStartup"));
}
@Test
public void adapterWithCharset() {
DirectFieldAccessor adapterAccessor = new DirectFieldAccessor(adapterWithCharset);
FileWritingMessageHandler handler = (FileWritingMessageHandler)
adapterAccessor.getPropertyValue("handler");
DirectFieldAccessor handlerAccessor = new DirectFieldAccessor(handler);
assertEquals(Charset.forName("UTF-8"), handlerAccessor.getPropertyValue("charset"));
}
@Test
public void adapterWithDirectoryExpression() {
FileWritingMessageHandler handler =
TestUtils.getPropertyValue(adapterWithDirectoryExpression, "handler", FileWritingMessageHandler.class);
Method m = ReflectionUtils.findMethod(FileWritingMessageHandler.class, "getTemporaryFileSuffix");
ReflectionUtils.makeAccessible(m);
assertEquals(".writing", ReflectionUtils.invokeMethod(m, handler));
String expectedExpressionString = "'foo/bar'";
String actualExpressionString =
TestUtils.getPropertyValue(handler, "destinationDirectoryExpression", Expression.class)
.getExpressionString();
assertEquals(expectedExpressionString, actualExpressionString);
}
@Test
public void adapterUsageWithAppend() throws Exception {
String expectedFileContent = "Initial File Content:String content:byte[] content:File content";
File testFile = new File("test/fileToAppend.txt");
if (testFile.exists()) {
testFile.delete();
}
usageChannel.send(new GenericMessage<String>("Initial File Content:"));
usageChannel.send(new GenericMessage<String>("String content:"));
usageChannel.send(new GenericMessage<byte[]>("byte[] content:".getBytes()));
usageChannel.send(new GenericMessage<File>(new File("test/input.txt")));
String actualFileContent = new String(FileCopyUtils.copyToByteArray(testFile));
assertEquals(expectedFileContent, actualFileContent);
assertEquals(4, adviceCalled);
testFile.delete();
}
@Test
public void adapterUsageWithAppendAndAppendNewLineTrue() throws Exception {
assertEquals(Boolean.TRUE, TestUtils.getPropertyValue(this.adapterWithAppendNewLine, "handler.appendNewLine"));
String newLine = System.getProperty("line.separator");
String expectedFileContent = "Initial File Content:" + newLine + "String content:" + newLine +
"byte[] content:" + newLine + "File content" + newLine;
File testFile = new File("test/fileToAppend.txt");
if (testFile.exists()) {
testFile.delete();
}
adapterUsageWithAppendAndAppendNewLineTrue.send(new GenericMessage<String>("Initial File Content:"));
adapterUsageWithAppendAndAppendNewLineTrue.send(new GenericMessage<String>("String content:"));
adapterUsageWithAppendAndAppendNewLineTrue.send(new GenericMessage<byte[]>("byte[] content:".getBytes()));
adapterUsageWithAppendAndAppendNewLineTrue.send(new GenericMessage<File>(new File("test/input.txt")));
String actualFileContent = new String(FileCopyUtils.copyToByteArray(testFile));
assertEquals(expectedFileContent, actualFileContent);
testFile.delete();
}
@Test
public void adapterUsageWithAppendAndAppendNewLineFalse() throws Exception {
String expectedFileContent = "Initial File Content:String content:byte[] content:File content";
File testFile = new File("test/fileToAppend.txt");
if (testFile.exists()) {
testFile.delete();
}
adapterUsageWithAppendAndAppendNewLineFalse.send(new GenericMessage<String>("Initial File Content:"));
adapterUsageWithAppendAndAppendNewLineFalse.send(new GenericMessage<String>("String content:"));
adapterUsageWithAppendAndAppendNewLineFalse.send(new GenericMessage<byte[]>("byte[] content:".getBytes()));
adapterUsageWithAppendAndAppendNewLineFalse.send(new GenericMessage<File>(new File("test/input.txt")));
String actualFileContent = new String(FileCopyUtils.copyToByteArray(testFile));
assertEquals(expectedFileContent, actualFileContent);
testFile.delete();
}
@Test
public void adapterUsageWithFailMode() throws Exception {
File testFile = new File("test/fileToFail.txt");
if (testFile.exists()) {
testFile.delete();
}
usageChannelWithFailMode.send(new GenericMessage<String>("Initial File Content:"));
try {
usageChannelWithFailMode.send(new GenericMessage<String>("String content:"));
}
catch (MessagingException e) {
assertTrue(e.getMessage().contains("The destination file already exists at"));
testFile.delete();
return;
}
Assert.fail("Was expecting an Exception to be thrown.");
}
@Test
public void adapterUsageWithIgnoreMode() throws Exception {
String expectedFileContent = "Initial File Content:";
File testFile = new File("test/fileToIgnore.txt");
if (testFile.exists()) {
testFile.delete();
}
usageChannelWithIgnoreMode.send(new GenericMessage<String>("Initial File Content:"));
usageChannelWithIgnoreMode.send(new GenericMessage<String>("String content:"));
String actualFileContent = new String(FileCopyUtils.copyToByteArray(testFile));
assertEquals(expectedFileContent, actualFileContent);
testFile.delete();
}
@Test
public void adapterUsageWithAppendConcurrent() throws Exception {
File testFile = new File("test/fileToAppendConcurrent.txt");
if (testFile.exists()) {
testFile.delete();
}
StringBuffer aBuffer = new StringBuffer();
StringBuffer bBuffer = new StringBuffer();
for (int i = 0; i < 100000; i++) {
aBuffer.append("a");
bBuffer.append("b");
}
String aString = aBuffer.toString();
String bString = bBuffer.toString();
for (int i = 0; i < 1; i++) {
usageChannelConcurrent.send(new GenericMessage<String>(aString));
usageChannelConcurrent.send(new GenericMessage<String>(bString));
}
assertTrue(this.fileWriteLatch.await(10, TimeUnit.SECONDS));
String actualFileContent = new String(FileCopyUtils.copyToByteArray(testFile));
int beginningIndex = 0;
for (int i = 0; i < 2; i++) {
assertAllCharactersAreSame(actualFileContent.substring(beginningIndex, beginningIndex + 99999));
beginningIndex += 100000;
}
}
private void assertAllCharactersAreSame(String substring) {
char[] characters = substring.toCharArray();
char c = characters[0];
for (char character : characters) {
assertEquals(c, character);
}
}
public static class FooAdvice extends AbstractRequestHandlerAdvice {
@Override
protected Object doInvoke(ExecutionCallback callback, Object target, Message<?> message) throws Exception {
adviceCalled++;
return callback.execute();
}
}
}