/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.component.file;
import java.io.File;
import java.util.Arrays;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
/**
* @version
*/
public class FileConcurrentWriteAppendSameFileTest extends ContextTestSupport {
private final int size = 1000;
@Override
protected void setUp() throws Exception {
deleteDirectory("target/concurrent");
super.setUp();
}
public void testConcurrentAppend() throws Exception {
// create file with many lines
StringBuilder sb = new StringBuilder();
for (int i = 0; i < size; i++) {
sb.append("Line " + i + LS);
}
template.sendBodyAndHeader("file:target/concurrent", sb.toString(), Exchange.FILE_NAME, "input.txt");
// start route
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMessageCount(size);
mock.expectsNoDuplicates(body());
mock.setResultWaitTime(30000);
context.startRoute("foo");
assertMockEndpointsSatisfied();
// check the file has 10000 lines
String txt = context.getTypeConverter().convertTo(String.class, new File("target/concurrent/outbox/result.txt"));
assertNotNull(txt);
String[] lines = txt.split(LS);
assertEquals("Should be " + size + " lines", size, lines.length);
// should be unique
Set<String> rows = new LinkedHashSet<String>(Arrays.asList(lines));
assertEquals("Should be " + size + " unique lines", size, rows.size());
log.info(txt);
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
@Override
public void configure() throws Exception {
from("file:target/concurrent").routeId("foo").noAutoStartup()
.split(body().tokenize(LS)).parallelProcessing().streaming()
.setBody(body().append(":Status=OK").append(LS))
.to("file:target/concurrent/outbox?fileExist=Append&fileName=result.txt")
.to("mock:result")
.end();
}
};
}
}