cameronlee314 commented on a change in pull request #1239: SAMZA-2421: Add SystemProducer for Azure Blob Storage URL: https://github.com/apache/samza/pull/1239#discussion_r360995982
########## File path: samza-azure/src/test/java/org/apache/samza/system/azureblob/avro/TestAzureBlobAvroWriter.java ########## @@ -0,0 +1,452 @@ +/* + * 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.samza.system.azureblob.avro; + +import com.azure.storage.blob.BlobAsyncClient; +import com.azure.storage.blob.BlobContainerAsyncClient; +import com.azure.storage.blob.specialized.BlockBlobAsyncClient; +import org.apache.samza.system.azureblob.producer.AzureBlobWriterMetrics; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.util.Arrays; +import java.util.List; +import java.util.concurrent.LinkedBlockingDeque; +import java.util.concurrent.ThreadPoolExecutor; +import java.util.concurrent.TimeUnit; +import org.apache.avro.Schema; +import org.apache.avro.file.DataFileWriter; +import org.apache.avro.generic.GenericDatumWriter; +import org.apache.avro.generic.GenericRecord; +import org.apache.avro.generic.IndexedRecord; +import org.apache.avro.io.BinaryEncoder; +import org.apache.avro.io.DatumWriter; +import org.apache.avro.io.EncoderFactory; +import org.apache.avro.specific.SpecificDatumWriter; +import org.apache.avro.specific.SpecificRecord; +import org.apache.samza.SamzaException; +import org.apache.samza.system.OutgoingMessageEnvelope; +import org.apache.samza.system.SystemStream; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.mockito.ArgumentCaptor; +import org.powermock.api.mockito.PowerMockito; +import org.powermock.core.classloader.annotations.PrepareForTest; +import org.powermock.modules.junit4.PowerMockRunner; + +import static org.mockito.Matchers.*; +import static org.mockito.Mockito.*; + + +@RunWith(PowerMockRunner.class) +@PrepareForTest({BlobContainerAsyncClient.class, BlockBlobAsyncClient.class, AzureBlobAvroWriter.class, AzureBlobOutputStream.class}) +public class TestAzureBlobAvroWriter { + private ThreadPoolExecutor threadPool; + private OutgoingMessageEnvelope ome; + private byte[] encodedRecord; + private AzureBlobAvroWriter azureBlobAvroWriter; + private DataFileWriter mockDataFileWriter; + private AzureBlobOutputStream mockAzureBlobOutputStream; + private BlockBlobAsyncClient mockBlockBlobAsyncClient; + + private static final String VALUE = "FAKE_VALUE"; + private static final String SYSTEM_NAME = "FAKE_SYSTEM"; + private static final int THRESHOLD = 100; + + private class SpecificRecordEvent extends org.apache.avro.specific.SpecificRecordBase + implements org.apache.avro.specific.SpecificRecord { + public final org.apache.avro.Schema schema = org.apache.avro.Schema.parse( + "{\"type\":\"record\",\"name\":\"SpecificRecordEvent\",\"namespace\":\"org.apache.samza.events\",\"fields\":[]}"); + + public org.apache.avro.Schema getSchema() { + return schema; + } + + public java.lang.Object get(int field) { + return null; + } + + public void put(int field, Object value) {} + } + + private class GenericRecordEvent implements org.apache.avro.generic.GenericRecord { + public final org.apache.avro.Schema schema = org.apache.avro.Schema.parse( + "{\"type\":\"record\",\"name\":\"GenericRecordEvent\",\"namespace\":\"org.apache.samza.events\",\"fields\":[]}"); + + public org.apache.avro.Schema getSchema() { + return schema; + } + + public java.lang.Object get(String key) { + return null; + } + + public java.lang.Object get(int field) { + return null; + } + + public void put(int field, Object value) {} + public void put(String key, Object value) {} + } + + private OutgoingMessageEnvelope createOME(String streamName) { + SystemStream systemStream = new SystemStream(SYSTEM_NAME, streamName); + SpecificRecord record = new SpecificRecordEvent(); + return new OutgoingMessageEnvelope(systemStream, record); + } + + private OutgoingMessageEnvelope createOMEGenericRecord(String streamName) { + SystemStream systemStream = new SystemStream(SYSTEM_NAME, streamName); + GenericRecord record = new GenericRecordEvent(); + return new OutgoingMessageEnvelope(systemStream, record); + } + + @Before + public void setup() throws Exception { + threadPool = new ThreadPoolExecutor(1, 1, 60, TimeUnit.SECONDS, new LinkedBlockingDeque<>()); + ome = createOME("Topic1"); + + encodedRecord = new byte[100]; + BlobContainerAsyncClient mockContainerAsyncClient = PowerMockito.mock(BlobContainerAsyncClient.class); + mockDataFileWriter = mock(DataFileWriter.class); + mockAzureBlobOutputStream = mock(AzureBlobOutputStream.class); + mockBlockBlobAsyncClient = PowerMockito.mock(BlockBlobAsyncClient.class); + when(mockBlockBlobAsyncClient.getBlobUrl()).thenReturn("https://samza.blob.core.windows.net/fake-blob-url";); + + azureBlobAvroWriter = + spy(new AzureBlobAvroWriter(mockContainerAsyncClient, mock(AzureBlobWriterMetrics.class), threadPool, THRESHOLD, + 60000, "test", mockDataFileWriter, mockAzureBlobOutputStream, mockBlockBlobAsyncClient, Long.MAX_VALUE, + Long.MAX_VALUE)); // keeping blob size and number of records unlimited + doReturn(encodedRecord).when(azureBlobAvroWriter).encodeRecord((IndexedRecord) ome.getMessage()); + } + @Test + public void testWrite() throws Exception { + int numberOfMessages = 10; + for (int i = 0; i < numberOfMessages; ++i) { + azureBlobAvroWriter.write(ome); + } + verify(mockDataFileWriter, times(numberOfMessages)).appendEncoded(ByteBuffer.wrap(encodedRecord)); + } + + @Test + public void testWriteGenericRecord() throws Exception { + OutgoingMessageEnvelope omeGenericRecord = createOMEGenericRecord("Topic1"); + doReturn(encodedRecord).when(azureBlobAvroWriter).encodeRecord((IndexedRecord) omeGenericRecord.getMessage()); + int numberOfMessages = 10; + for (int i = 0; i < numberOfMessages; ++i) { + azureBlobAvroWriter.write(omeGenericRecord); + } + verify(mockDataFileWriter, times(numberOfMessages)).appendEncoded(ByteBuffer.wrap(encodedRecord)); + } + + @Test + public void testWriteByteArray() throws Exception { + OutgoingMessageEnvelope omeEncoded = new OutgoingMessageEnvelope(new SystemStream(SYSTEM_NAME, "Topic1"), "randomString".getBytes()); + int numberOfMessages = 10; + azureBlobAvroWriter.write(ome); + for (int i = 0; i < numberOfMessages; ++i) { + azureBlobAvroWriter.write(omeEncoded); + } + verify(mockDataFileWriter).appendEncoded(ByteBuffer.wrap(encodedRecord)); + verify(mockDataFileWriter, times(numberOfMessages)).appendEncoded(ByteBuffer.wrap((byte[]) omeEncoded.getMessage())); + } + + @Test(expected = IllegalStateException.class) + public void testWriteByteArrayWithoutSchema() throws Exception { + azureBlobAvroWriter = + spy(new AzureBlobAvroWriter(PowerMockito.mock(BlobContainerAsyncClient.class), mock(AzureBlobWriterMetrics.class), + threadPool, THRESHOLD, 60000, "test", + null, null, null, 1000, 100)); + OutgoingMessageEnvelope omeEncoded = new OutgoingMessageEnvelope(new SystemStream(SYSTEM_NAME, "Topic1"), new byte[100]); + azureBlobAvroWriter.write(omeEncoded); + } + + @Test(expected = IOException.class) + public void testWriteWhenDataFileWriterFails() throws Exception { + doThrow(new IOException("Failed")).when(mockDataFileWriter).appendEncoded(ByteBuffer.wrap(encodedRecord)); + azureBlobAvroWriter.write(ome); + } + + @Test + public void testClose() throws Exception { + azureBlobAvroWriter.close(); + verify(mockDataFileWriter).close(); + verify(mockAzureBlobOutputStream).close(); + } + + @Test(expected = SamzaException.class) + public void testCloseWhenDataFileWriterFails() throws Exception { + doThrow(new IOException("Failed")).when(mockDataFileWriter).close(); + + azureBlobAvroWriter.flush(); + azureBlobAvroWriter.close(); + } + + @Test(expected = RuntimeException.class) + public void testCloseWhenOutputStreamFails() throws Exception { + doThrow(new RuntimeException("failed")).when(mockAzureBlobOutputStream).close(); + + azureBlobAvroWriter.close(); + } + + @Test + public void testFlush() throws Exception { + azureBlobAvroWriter.flush(); + verify(mockDataFileWriter).flush(); + } + + @Test(expected = IOException.class) + public void testFlushWhenDataFileWriterFails() throws Exception { + doThrow(new IOException("Failed")).when(mockDataFileWriter).flush(); + azureBlobAvroWriter.flush(); + } + + @Test + public void testMaxBlobSizeExceeded() throws Exception { + String blobUrlPrefix = "test"; + long maxBlobSize = 1000; + BlobContainerAsyncClient mockContainerClient = PowerMockito.mock(BlobContainerAsyncClient.class); + azureBlobAvroWriter = spy(new AzureBlobAvroWriter(mockContainerClient, + mock(AzureBlobWriterMetrics.class), threadPool, THRESHOLD, 60000, blobUrlPrefix, + null, null, null, maxBlobSize, 10)); + + when(mockAzureBlobOutputStream.getSize()).thenReturn((long) maxBlobSize - 1); + PowerMockito.whenNew(AzureBlobOutputStream.class).withAnyArguments().thenReturn(mockAzureBlobOutputStream); + PowerMockito.whenNew(DataFileWriter.class).withAnyArguments().thenReturn(mockDataFileWriter); + BlobAsyncClient mockBlobAsyncClient = mock(BlobAsyncClient.class); + doReturn(mockBlobAsyncClient).when(mockContainerClient).getBlobAsyncClient(anyString()); + doReturn(mockBlockBlobAsyncClient).when(mockBlobAsyncClient).getBlockBlobAsyncClient(); + // first OME creates the first blob + azureBlobAvroWriter.write(ome); + // Second OME creates the second blob because maxBlobSize is 1000 and mockAzureBlobOutputStream.getSize is 999. + azureBlobAvroWriter.write(ome); + + ArgumentCaptor<String> argument = ArgumentCaptor.forClass(String.class); + verify(mockContainerClient, times(2)).getBlobAsyncClient(argument.capture()); + argument.getAllValues().forEach(blobName -> { + Assert.assertTrue(blobName.contains(blobUrlPrefix)); + }); + List<String> allBlobNames = argument.getAllValues(); + Assert.assertNotEquals(allBlobNames.get(0), allBlobNames.get(1)); + } + + @Test + public void testRecordLimitExceeded() throws Exception { + String blobUrlPrefix = "test"; + long maxBlobSize = AzureBlobAvroWriter.DATAFILEWRITER_OVERHEAD + 1000; + long maxRecordsPerBlob = 10; + BlobContainerAsyncClient mockContainerClient = PowerMockito.mock(BlobContainerAsyncClient.class); + azureBlobAvroWriter = spy(new AzureBlobAvroWriter(mockContainerClient, + mock(AzureBlobWriterMetrics.class), threadPool, THRESHOLD, 60000, blobUrlPrefix, + null, null, null, maxBlobSize, maxRecordsPerBlob)); + + when(mockAzureBlobOutputStream.getSize()).thenReturn((long) 1); + PowerMockito.whenNew(AzureBlobOutputStream.class).withAnyArguments().thenReturn(mockAzureBlobOutputStream); + PowerMockito.whenNew(DataFileWriter.class).withAnyArguments().thenReturn(mockDataFileWriter); Review comment: Same as above about verifying where the data gets appended. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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