// Copyright (C) 2011 Splunk Inc.
//
// Splunk Inc. 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 com.splunk.shuttl.archiver.bucketlock;
import static org.mockito.Mockito.*;
import org.mockito.InOrder;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import com.splunk.shuttl.archiver.bucketlock.BucketLocker.SharedLockBucketHandler;
import com.splunk.shuttl.archiver.bucketlock.BucketLockerTest.NoOpBucketHandler;
import com.splunk.shuttl.archiver.model.Bucket;
/**
* Fixture: BucketLock mock to verify that {@link BucketLock#closeLock()} is
* called.
*/
@Test(groups = { "fast-unit" })
public class BucketLockerCloseLockTest {
BucketLocker bucketLocker;
BucketLock bucketLock;
@BeforeMethod
public void setUp() {
bucketLock = mock(BucketLock.class);
bucketLocker = new BucketLocker() {
@Override
public BucketLock getLockForBucket(Bucket bucket) {
return bucketLock;
}
};
}
@Test(groups = { "fast-unit" })
public void callBucketHandlerWithBucketSharedLock_givenTryLockThatReturnsFalse_closesLock() {
when(bucketLock.tryLockExclusive()).thenReturn(false);
callBucketLocker();
InOrder inOrder = inOrder(bucketLock);
inOrder.verify(bucketLock).tryLockExclusive();
inOrder.verify(bucketLock).closeLock();
}
private void callBucketLocker() {
bucketLocker.callBucketHandlerUnderSharedLock(mock(Bucket.class),
new NoOpBucketHandler());
}
public void callBucketHandlerWithBucketSharedLock_givenSharedConvertFail_closesLock() {
when(bucketLock.tryLockExclusive()).thenReturn(true);
when(bucketLock.tryConvertExclusiveToSharedLock()).thenReturn(false);
callBucketLocker();
verify(bucketLock).closeLock();
}
public void callBucketHandlerWithBucketSharedLock_givenSuccessfulSharedLock_closesLock() {
when(bucketLock.tryLockExclusive()).thenReturn(true);
when(bucketLock.tryConvertExclusiveToSharedLock()).thenReturn(true);
callBucketLocker();
verify(bucketLock).closeLock();
}
public void callBucketHandlerWithBucketSharedLock_givenRunnableThatThrowsException_closesLock() {
when(bucketLock.tryLockExclusive()).thenReturn(true);
when(bucketLock.tryConvertExclusiveToSharedLock()).thenReturn(true);
try {
bucketLocker.callBucketHandlerUnderSharedLock(mock(Bucket.class),
new SharedLockBucketHandler() {
@Override
public void handleSharedLockedBucket(Bucket bucket) {
throw new FakeException();
}
@Override
public void bucketWasLocked(Bucket bucket) {
}
});
} catch (FakeException fake) {
// Catch runnables exception to see if it still closes lock in case
// of any exception.
}
verify(bucketLock).closeLock();
}
@SuppressWarnings("serial")
private static class FakeException extends RuntimeException {
}
}