/*
* Copyright 2007-2010 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.impalaframework.spring.config;
import java.util.concurrent.Executors;
import junit.framework.TestCase;
import org.impalaframework.spring.config.DynamicPropertiesFactoryBean;
import org.impalaframework.spring.config.DynamicPropertySource;
import org.impalaframework.spring.config.ExternalDynamicPropertySource;
import org.springframework.core.io.ClassPathResource;
public class ManualDynamicPropertiesPropertySourceTest extends TestCase {
@Override
protected void setUp() throws Exception {
super.setUp();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
System.clearProperty("property.folder");
}
public void testDynamicProperties() throws Exception {
DynamicPropertiesFactoryBean factoryBean = new DynamicPropertiesFactoryBean();
factoryBean.setLocation(new ClassPathResource("reload/reloadable.properties"));
DynamicPropertySource source = new DynamicPropertySource();
doTest(factoryBean, source);
}
public void testDynamicPropertiesWithExecutorService() throws Exception {
DynamicPropertiesFactoryBean factoryBean = new DynamicPropertiesFactoryBean();
factoryBean.setLocation(new ClassPathResource("reload/reloadable.properties"));
DynamicPropertySource source = new DynamicPropertySource();
source.setExecutorService(Executors.newScheduledThreadPool(2));
doTest(factoryBean, source);
}
private void doTest(DynamicPropertiesFactoryBean factoryBean,
DynamicPropertySource source) throws Exception,
InterruptedException {
source.setFactoryBean(factoryBean);
source.setReloadInitialDelay(1);
source.setReloadInterval(3);
source.afterPropertiesSet();
while (true) {
System.out.println(source.getValue("property1"));
Thread.sleep(1000);
}
}
//this test will dynamically reflect the value of the classpath resource reload/reloadable.properties
public void testExternalProperties() throws Exception, InterruptedException {
ExternalDynamicPropertySource source = new ExternalDynamicPropertySource();
source.setFileName("reload/reloadable.properties");
source.setReloadInitialDelay(1);
source.setReloadInterval(3);
source.afterPropertiesSet();
while (true) {
System.out.println(source.getValue("property1"));
Thread.sleep(1000);
}
}
//this test will dynamically reflect the value of the file system resource files/reload/reloadable.properties.
//in other words, it overrides the value in the testExternalProperties() method
public void testExternalPropertiesWithFileOverride() throws Exception {
System.setProperty("property.folder", "files");
testExternalProperties();
}
}