/**
* 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.stream;
import java.io.File;
import java.io.FileOutputStream;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Before;
import org.junit.Test;
/**
* Unit test for scan stream file
*/
public class ScanStreamFileTest extends CamelTestSupport {
private File file;
@Override
@Before
public void setUp() throws Exception {
deleteDirectory("./target/stream");
createDirectory("./target/stream");
file = new File("./target/stream/scanstreamfile.txt");
file = file.getAbsoluteFile();
file.createNewFile();
super.setUp();
}
@Test
public void testScanFile() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedBodiesReceived("Hello", "World");
FileOutputStream fos = new FileOutputStream(file);
fos.write("Hello\n".getBytes());
Thread.sleep(150);
fos.write("World\n".getBytes());
fos.close();
assertMockEndpointsSatisfied();
}
@Test
public void testScanRefreshedFile() throws Exception {
MockEndpoint mock = getMockEndpoint("mock:result");
mock.expectedMinimumMessageCount(3);
mock.message(0).body().isEqualTo("Hello");
mock.message(1).body().isEqualTo("there");
mock.message(2).body().isEqualTo("World");
FileOutputStream fos = refreshFile(null);
fos.write("Hello\n".getBytes());
Thread.sleep(150);
fos.write("there\n".getBytes());
fos = refreshFile(fos);
Thread.sleep(150);
fos.write("World\n".getBytes());
Thread.sleep(150);
fos = refreshFile(fos);
Thread.sleep(150);
fos.write("!\n".getBytes());
fos.close();
assertMockEndpointsSatisfied();
}
private FileOutputStream refreshFile(FileOutputStream fos) throws Exception {
if (fos != null) {
fos.close();
}
file.delete();
file.createNewFile();
return new FileOutputStream(file);
}
protected RouteBuilder createRouteBuilder() {
return new RouteBuilder() {
public void configure() {
from("stream:file?fileName=./target/stream/scanstreamfile.txt&scanStream=true&scanStreamDelay=100").to("mock:result");
}
};
}
}