/* | |
* See LICENSE file in distribution for copyright and licensing information. | |
*/ | |
package org.yaml.snakeyaml; | |
import java.io.IOException; | |
import junit.framework.TestCase; | |
import org.yaml.snakeyaml.constructor.Constructor; | |
import org.yaml.snakeyaml.error.YAMLException; | |
/** | |
* Test that Yaml instances are independent and can be used in multiple threads. | |
*/ | |
public class ParallelTest extends TestCase { | |
private int progress = 0; | |
private int MAX = 5; | |
public void testPerfomance() throws IOException { | |
String doc = Util.getLocalResource("specification/example2_27.yaml"); | |
for (int i = 0; i < MAX; i++) { | |
Worker worker = new Worker(i, doc); | |
Thread thread = new Thread(worker); | |
thread.start(); | |
} | |
while (progress < MAX - 1) { | |
try { | |
Thread.sleep(1000); | |
} catch (InterruptedException e) { | |
fail(e.getMessage()); | |
} | |
} | |
} | |
private class Worker implements Runnable { | |
private int id; | |
private String doc; | |
public Worker(int id, String doc) { | |
this.id = id; | |
this.doc = doc; | |
} | |
public void run() { | |
System.out.println("Started: " + id); | |
Loader loader = new Loader(new Constructor(Invoice.class)); | |
Yaml yaml = new Yaml(loader); | |
long time1 = System.currentTimeMillis(); | |
int cycles = 200; | |
for (int i = 0; i < cycles; i++) { | |
Invoice invoice = (Invoice) yaml.load(doc); | |
assertNotNull(invoice); | |
} | |
long time2 = System.currentTimeMillis(); | |
float duration = (time2 - time1) / (float) cycles; | |
System.out.println("Duration of " + id + " was " + duration + " ms/load."); | |
progress++; | |
} | |
} | |
public void testSharedLoader() throws IOException { | |
Loader loader = new Loader(new Constructor(Invoice.class)); | |
new Yaml(loader); | |
try { | |
new Yaml(loader); | |
fail("Loader cannot be shared."); | |
} catch (YAMLException e) { | |
assertEquals("Loader cannot be shared.", e.getMessage()); | |
} | |
} | |
public void testSharedDumper() throws IOException { | |
Dumper dumper = new Dumper(new DumperOptions()); | |
new Yaml(dumper); | |
try { | |
new Yaml(dumper); | |
fail("Dumper cannot be shared."); | |
} catch (YAMLException e) { | |
assertEquals("Dumper cannot be shared.", e.getMessage()); | |
} | |
} | |
} |