/*
* 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.synapse.registry.url;
import junit.framework.TestCase;
import org.apache.synapse.config.Property;
import org.apache.synapse.registry.Registry;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
public class SimpleURLRegistryTest extends TestCase {
private static final String FILE = "target/text.xml";
private static final String TEXT_1 = "<text1 />";
private static final String TEXT_2 = "<text2 />";
public void setUp() throws Exception {
writeToFile(TEXT_1);
}
public void testRegistry() throws Exception {
Registry reg = new SimpleURLRegistry();
reg.addConfigProperty("root", "file:./");
reg.addConfigProperty("cachableDuration", "1500");
Property prop = new Property();
prop.setType(Property.DYNAMIC_TYPE);
prop.setKey(FILE);
// initial load of file from registry
assertEquals(TEXT_1, reg.getProperty(prop).toString());
// sleep 1 sec
Thread.sleep(1000);
assertEquals(TEXT_1, reg.getProperty(prop).toString());
// sleep another 1 sec, has expired in cache, but content hasnt changed
Thread.sleep(1000);
assertEquals(TEXT_1, reg.getProperty(prop).toString());
// the renewed cache should be valid for another 1.5 secs
// change the file now and change next cache duration
writeToFile(TEXT_2);
reg.addConfigProperty("cachableDuration", "100");
// still cached content should be available and valid
assertEquals(TEXT_1, reg.getProperty(prop).toString());
// now sleep 1 sec, still cache should be valid
Thread.sleep(1000);
assertEquals(TEXT_1, reg.getProperty(prop).toString());
// sleep another 1 sec.. cache should expire and new content should be loaded
Thread.sleep(1000);
assertEquals(TEXT_2, reg.getProperty(prop).toString());
// change content back to original
writeToFile(TEXT_1);
// sleep for .5 sec, now the new content should be loaded as new expiry time
// is .1 sec
Thread.sleep(500);
assertEquals(TEXT_1, reg.getProperty(prop).toString());
}
public void tearDown() throws Exception {
new File(FILE).delete();
}
private void writeToFile(String content) throws Exception {
BufferedWriter out = new BufferedWriter(new FileWriter(new File(FILE)));
out.write(content);
out.close();
}
}