| /** |
| * 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 com.twitter.distributedlog.impl; |
| |
| import com.google.common.collect.Sets; |
| import com.twitter.distributedlog.DLMTestUtil; |
| import com.twitter.distributedlog.DistributedLogConstants; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static com.twitter.distributedlog.impl.ZKLogSegmentFilters.*; |
| import static org.junit.Assert.*; |
| |
| public class TestZKLogSegmentFilters { |
| |
| static final Logger LOG = LoggerFactory.getLogger(TestZKLogSegmentFilters.class); |
| |
| @Test |
| public void testWriteFilter() { |
| Set<String> expectedFilteredSegments = new HashSet<String>(); |
| List<String> segments = new ArrayList<String>(); |
| for (int i = 1; i <= 5; i++) { |
| segments.add(DLMTestUtil.completedLedgerZNodeNameWithVersion(i, (i - 1) * 100, i * 100 - 1, i)); |
| } |
| for (int i = 6; i <= 10; i++) { |
| String segmentName = DLMTestUtil.completedLedgerZNodeNameWithLogSegmentSequenceNumber(i); |
| segments.add(segmentName); |
| if (i == 10) { |
| expectedFilteredSegments.add(segmentName); |
| } |
| } |
| for (int i = 11; i <= 15; i++) { |
| String segmentName = DLMTestUtil.completedLedgerZNodeNameWithTxID((i - 1) * 100, i * 100 - 1); |
| segments.add(segmentName); |
| expectedFilteredSegments.add(segmentName); |
| } |
| segments.add(""); |
| segments.add("unknown"); |
| segments.add(DistributedLogConstants.COMPLETED_LOGSEGMENT_PREFIX + "_1234_5678_9"); |
| expectedFilteredSegments.add(DistributedLogConstants.COMPLETED_LOGSEGMENT_PREFIX + "_1234_5678_9"); |
| segments.add(DistributedLogConstants.COMPLETED_LOGSEGMENT_PREFIX + "_1_2_3_4_5_6_7_8_9"); |
| expectedFilteredSegments.add(DistributedLogConstants.COMPLETED_LOGSEGMENT_PREFIX + "_1_2_3_4_5_6_7_8_9"); |
| |
| Collection<String> filteredCollection = WRITE_HANDLE_FILTER.filter(segments); |
| LOG.info("Filter log segments {} to {}.", segments, filteredCollection); |
| assertEquals(expectedFilteredSegments.size(), filteredCollection.size()); |
| |
| Set<String> filteredSegments = Sets.newHashSet(filteredCollection); |
| Sets.SetView<String> diff = Sets.difference(filteredSegments, expectedFilteredSegments); |
| assertTrue(diff.isEmpty()); |
| } |
| } |