| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.crunch.kafka.offset.hdfs; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import org.apache.commons.io.output.ByteArrayOutputStream; |
| import org.apache.kafka.common.requests.ListOffsetRequest; |
| import org.junit.BeforeClass; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TestName; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import static org.hamcrest.Matchers.greaterThan; |
| import static org.hamcrest.Matchers.lessThan; |
| import static org.hamcrest.core.Is.is; |
| import static org.junit.Assert.assertThat; |
| |
| public class OffsetsTest { |
| |
| @Rule |
| public TestName testName = new TestName(); |
| |
| private static ObjectMapper mapper; |
| |
| @BeforeClass |
| public static void setup() { |
| mapper = new ObjectMapper(); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void buildOffsetNullOffsets() { |
| Offsets.Builder.newBuilder().setOffsets(null); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void buildInvalidAsOfTime() { |
| Offsets.Builder.newBuilder().setAsOfTime(-1); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void buildNoAsOfTime() { |
| Offsets.Builder.newBuilder().build(); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void buildPartitionNullTopic() { |
| Offsets.PartitionOffset.Builder.newBuilder().setTopic(null); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void buildPartitionEmptyTopic() { |
| Offsets.PartitionOffset.Builder.newBuilder().setTopic(" "); |
| } |
| |
| @Test(expected = IllegalArgumentException.class) |
| public void buildPartitionInvalidPartition() { |
| Offsets.PartitionOffset.Builder.newBuilder().setPartition(-1); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void buildPartitionNoTopicSet() { |
| Offsets.PartitionOffset.Builder.newBuilder().setPartition(10).setOffset(10L).build(); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void buildPartitionNoPartitionSet() { |
| Offsets.PartitionOffset.Builder.newBuilder().setTopic(testName.getMethodName()).setOffset(10L).build(); |
| } |
| |
| @Test |
| public void buildPartitionOffset() { |
| Offsets.PartitionOffset partitionOffset = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset.getOffset(), is(10L)); |
| assertThat(partitionOffset.getPartition(), is(1)); |
| assertThat(partitionOffset.getTopic(), is(testName.getMethodName())); |
| } |
| |
| @Test |
| public void buildPartitionOffsetNoOffsetSet() { |
| Offsets.PartitionOffset partitionOffset = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setPartition(1).build(); |
| |
| assertThat(partitionOffset.getOffset(), is(ListOffsetRequest.EARLIEST_TIMESTAMP)); |
| assertThat(partitionOffset.getPartition(), is(1)); |
| assertThat(partitionOffset.getTopic(), is(testName.getMethodName())); |
| } |
| |
| @Test |
| public void partitionOffsetSame() { |
| Offsets.PartitionOffset partitionOffset = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset.equals(partitionOffset), is(true)); |
| assertThat(partitionOffset.compareTo(partitionOffset), is(0)); |
| } |
| |
| @Test |
| public void partitionOffsetEqual() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(true)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(0)); |
| } |
| |
| @Test |
| public void partitionOffsetNotEqualDiffTopic() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic("abc").setOffset(10L).setPartition(1).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(lessThan(0))); |
| } |
| |
| @Test |
| public void partitionOffsetNotEqualDiffPartition() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(0).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(lessThan(0))); |
| } |
| |
| @Test |
| public void partitionOffsetNotEqualDiffOffset() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(9L).setPartition(1).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(lessThan(0))); |
| } |
| |
| |
| @Test |
| public void partitionOffsetNotEqualDiffGreaterTopic() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic("abc").setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(greaterThan(0))); |
| } |
| |
| @Test |
| public void partitionOffsetNotEqualDiffGreaterPartition() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(2).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(greaterThan(0))); |
| } |
| |
| @Test |
| public void partitionOffsetNotEqualDiffGreaterOffset() { |
| Offsets.PartitionOffset partitionOffset1 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(12L).setPartition(1).build(); |
| |
| Offsets.PartitionOffset partitionOffset2 = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(10L).setPartition(1).build(); |
| |
| assertThat(partitionOffset1.equals(partitionOffset2), is(false)); |
| assertThat(partitionOffset1.compareTo(partitionOffset2), is(greaterThan(0))); |
| } |
| |
| @Test |
| public void jsonSerializationPartitionOffset() throws IOException { |
| Offsets.PartitionOffset partitionOffset = Offsets.PartitionOffset.Builder.newBuilder() |
| .setTopic(testName.getMethodName()).setOffset(12L).setPartition(1).build(); |
| |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mapper.writeValue(baos, partitionOffset); |
| |
| Offsets.PartitionOffset readOffset = mapper.readValue(baos.toByteArray(), Offsets.PartitionOffset.class); |
| |
| assertThat(readOffset, is(partitionOffset)); |
| } |
| |
| |
| @Test |
| public void buildOffsetsNoOffsets() { |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| assertThat(offsets.getOffsets(), is(Collections.<Offsets.PartitionOffset>emptyList())); |
| } |
| |
| @Test |
| public void buildOffsetsSortOffsets() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| List<Offsets.PartitionOffset> returnedOffsets = offsets.getOffsets(); |
| int count = 1; |
| |
| //iterate in the expected order |
| for (Offsets.PartitionOffset o : returnedOffsets) { |
| assertThat(o.getTopic(), is("topic" + count)); |
| assertThat(o.getPartition(), is(partition)); |
| assertThat(o.getOffset(), is(offset)); |
| count++; |
| } |
| assertThat(count, is(10)); |
| } |
| |
| @Test |
| public void offsetsSame() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets), is(true)); |
| } |
| |
| @Test |
| public void offsetsEqual() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| Offsets offsets2 = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets2), is(true)); |
| } |
| |
| @Test |
| public void offsetsDiffAsOfTime() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| Offsets offsets2 = Offsets.Builder.newBuilder().setAsOfTime(11).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets2), is(false)); |
| } |
| |
| @Test |
| public void offsetsDiffOffsets() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| List<Offsets.PartitionOffset> secondOffsets = new LinkedList<>(); |
| for(int i = 0; i < 5; i++){ |
| secondOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| Offsets offsets2 = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(secondOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets2), is(false)); |
| } |
| |
| @Test(expected = IllegalStateException.class) |
| public void offsetsDuplicates() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic9").setPartition(0).build()); |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| } |
| |
| @Test |
| public void offsetsDiffListInstances() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| reversedOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| List<Offsets.PartitionOffset> secondOffsets = new LinkedList<>(); |
| for(int i = 0; i < 9; i++){ |
| secondOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + (9 - i)) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| Offsets offsets2 = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(secondOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets2), is(true)); |
| } |
| |
| @Test |
| public void offsetsEqualEmptyOffsets() { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> reversedOffsets = new LinkedList<>(); |
| |
| List<Offsets.PartitionOffset> secondOffsets = new LinkedList<>(); |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(reversedOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| Offsets offsets2 = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(secondOffsets).build(); |
| assertThat(offsets.getAsOfTime(), is(10L)); |
| |
| assertThat(offsets.equals(offsets2), is(true)); |
| } |
| |
| @Test |
| public void jsonSerializationOffsets() throws IOException { |
| int partition = 0; |
| long offset = 10L; |
| |
| List<Offsets.PartitionOffset> partitionOffsets = new LinkedList<>(); |
| for(int i = 0; i < 100; i++){ |
| partitionOffsets.add(Offsets.PartitionOffset.Builder.newBuilder().setTopic("topic" + i) |
| .setPartition(partition).setOffset(offset).build()); |
| } |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10).setOffsets(partitionOffsets).build(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mapper.writeValue(baos, offsets); |
| |
| Offsets readOffsets = mapper.readValue(baos.toByteArray(), Offsets.class); |
| |
| assertThat(readOffsets, is(offsets)); |
| } |
| |
| @Test |
| public void jsonSerializationOffsetsEmpty() throws IOException { |
| int partition = 0; |
| long offset = 10L; |
| |
| |
| Offsets offsets = Offsets.Builder.newBuilder().setAsOfTime(10) |
| .setOffsets(Collections.<Offsets.PartitionOffset>emptyList()).build(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| mapper.writeValue(baos, offsets); |
| |
| Offsets readOffsets = mapper.readValue(baos.toByteArray(), Offsets.class); |
| |
| assertThat(readOffsets, is(offsets)); |
| } |
| } |