/*
* The MIT License
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., Kohsuke Kawaguchi
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package hudson;
import static org.junit.Assert.assertEquals;
import hudson.model.Saveable;
import org.junit.Test;
import java.io.IOException;
/**
* Tests {@link BulkChange}.
*
* @author Kohsuke Kawaguchi
*/
public class BulkChangeTest {
private class Point implements Saveable {
/**
* Don't actually do any save, but just remember how many the actual I/O would have happened.
*/
int saveCount = 0;
@SuppressWarnings("unused")
int x,y;
public void setX(int x) throws IOException {
this.x = x;
save();
}
public void setY(int y) throws IOException {
this.y = y;
save();
}
public void set(int x, int y) throws IOException {
setX(x);
setY(y);
}
public void save() throws IOException {
if(BulkChange.contains(this)) return;
saveCount++;
}
}
/**
* If there is no BulkChange, we should see two saves.
*/
@Test
public void noBulkChange() throws Exception {
Point pt = new Point();
pt.set(0,0);
assertEquals(2,pt.saveCount);
}
/**
* With a {@link BulkChange}, this will become just one save.
*/
@Test
public void bulkChange() throws Exception {
Point pt = new Point();
BulkChange bc = new BulkChange(pt);
try {
pt.set(0,0);
} finally {
bc.commit();
}
assertEquals(1,pt.saveCount);
}
/**
* {@link BulkChange}s can be nested.
*/
@Test
public void nestedBulkChange() throws Exception {
Point pt = new Point();
Point pt2 = new Point();
BulkChange bc1 = new BulkChange(pt);
try {
BulkChange bc2 = new BulkChange(pt2);
try {
BulkChange bc3 = new BulkChange(pt);
try {
pt.set(0,0);
} finally {
bc3.commit();
}
} finally {
bc2.commit();
}
pt.set(0,0);
} finally {
bc1.commit();
}
assertEquals(1,pt.saveCount);
}
}