| /* |
| * 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.pulsar.compaction; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.atomic.AtomicReference; |
| import org.apache.bookkeeper.mledger.AsyncCallbacks; |
| import org.apache.bookkeeper.mledger.Entry; |
| import org.apache.bookkeeper.mledger.ManagedLedgerException; |
| import org.apache.bookkeeper.mledger.impl.ManagedCursorImpl; |
| import org.apache.bookkeeper.mledger.impl.PositionImpl; |
| import org.mockito.Mockito; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class CompactedTopicUtilsTest { |
| |
| @Test |
| public void testReadCompactedEntriesWithEmptyEntries() throws ExecutionException, InterruptedException { |
| PositionImpl lastCompactedPosition = PositionImpl.get(1, 100); |
| TopicCompactionService service = Mockito.mock(TopicCompactionService.class); |
| Mockito.doReturn(CompletableFuture.completedFuture(Collections.emptyList())) |
| .when(service).readCompactedEntries(Mockito.any(), Mockito.intThat(argument -> argument > 0)); |
| Mockito.doReturn(CompletableFuture.completedFuture(lastCompactedPosition)).when(service) |
| .getLastCompactedPosition(); |
| |
| |
| PositionImpl initPosition = PositionImpl.get(1, 90); |
| AtomicReference<PositionImpl> readPositionRef = new AtomicReference<>(initPosition.getNext()); |
| ManagedCursorImpl cursor = Mockito.mock(ManagedCursorImpl.class); |
| Mockito.doReturn(readPositionRef.get()).when(cursor).getReadPosition(); |
| Mockito.doReturn(1).when(cursor).applyMaxSizeCap(Mockito.anyInt(), Mockito.anyLong()); |
| Mockito.doAnswer(invocation -> { |
| readPositionRef.set(invocation.getArgument(0)); |
| return null; |
| }).when(cursor).seek(Mockito.any()); |
| |
| CompletableFuture<List<Entry>> completableFuture = new CompletableFuture<>(); |
| final AtomicReference<Throwable> throwableRef = new AtomicReference<>(); |
| AsyncCallbacks.ReadEntriesCallback readEntriesCallback = new AsyncCallbacks.ReadEntriesCallback() { |
| @Override |
| public void readEntriesComplete(List<Entry> entries, Object ctx) { |
| completableFuture.complete(entries); |
| } |
| |
| @Override |
| public void readEntriesFailed(ManagedLedgerException exception, Object ctx) { |
| completableFuture.completeExceptionally(exception); |
| throwableRef.set(exception); |
| } |
| }; |
| |
| CompactedTopicUtils.asyncReadCompactedEntries(service, cursor, 1, 100, |
| PositionImpl.LATEST, false, readEntriesCallback, false, null); |
| |
| List<Entry> entries = completableFuture.get(); |
| Assert.assertTrue(entries.isEmpty()); |
| Assert.assertNull(throwableRef.get()); |
| Assert.assertEquals(readPositionRef.get(), lastCompactedPosition.getNext()); |
| } |
| } |