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| 1 | +/** |
| 2 | + * Copyright (c) Dell Inc., or its subsidiaries. All Rights Reserved. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + */ |
| 10 | +package io.pravega.schemaregistry.serializer.avro.impl; |
| 11 | + |
| 12 | +import com.google.common.collect.ImmutableMap; |
| 13 | +import io.pravega.client.stream.Serializer; |
| 14 | +import io.pravega.schemaregistry.client.SchemaRegistryClient; |
| 15 | +import io.pravega.schemaregistry.contract.data.*; |
| 16 | +import io.pravega.schemaregistry.serializer.avro.schemas.AvroSchema; |
| 17 | +import io.pravega.schemaregistry.serializer.avro.testobjs.generated.avro.AddressEntry; |
| 18 | +import io.pravega.schemaregistry.serializer.avro.testobjs.generated.avro.User; |
| 19 | +import io.pravega.schemaregistry.serializer.shared.codec.Codecs; |
| 20 | +import io.pravega.schemaregistry.serializer.shared.impl.SerializerConfig; |
| 21 | +import lombok.extern.slf4j.Slf4j; |
| 22 | +import org.apache.avro.generic.GenericDatumReader; |
| 23 | +import org.apache.avro.io.DatumReader; |
| 24 | +import org.apache.commons.lang3.tuple.Pair; |
| 25 | +import org.junit.Assert; |
| 26 | +import org.junit.Before; |
| 27 | +import org.junit.Test; |
| 28 | +import org.mockito.Mockito; |
| 29 | +import java.nio.ByteBuffer; |
| 30 | +import java.nio.charset.StandardCharsets; |
| 31 | + |
| 32 | +import static org.mockito.ArgumentMatchers.*; |
| 33 | +import static org.mockito.Mockito.doAnswer; |
| 34 | +import static org.mockito.Mockito.mock; |
| 35 | + |
| 36 | +@Slf4j |
| 37 | +public class AvroDeserializerTest { |
| 38 | + |
| 39 | + private Serializer<User> serializer; |
| 40 | + private AvroDeserializer<User> avroDeserializer; |
| 41 | + private AvroGenericDeserializer genericDeserializer; |
| 42 | + private User user; |
| 43 | + |
| 44 | + @Before |
| 45 | + public void init() { |
| 46 | + AvroSchema<User> userAvroSchema = AvroSchema.of(User.class); |
| 47 | + log.info("Aliases: {}", userAvroSchema.getSchema().getAliases()); |
| 48 | + VersionInfo versionInfo1 = new VersionInfo("avroUser1", 0, 0); |
| 49 | + SchemaRegistryClient client = mock(SchemaRegistryClient.class); |
| 50 | + doAnswer(x -> true).when(client).canReadUsing(anyString(), any()); |
| 51 | + doAnswer(x -> new EncodingId(0)).when(client).getEncodingId(anyString(), any(), any()); |
| 52 | + doAnswer(x -> new EncodingInfo(versionInfo1, userAvroSchema.getSchemaInfo(), Codecs.None.getCodec().getCodecType())).when(client).getEncodingInfo(anyString(), eq(new EncodingId(0))); |
| 53 | + SerializerConfig serializerConfig = SerializerConfig.builder().registryClient(client).groupId("avroUser1") |
| 54 | + .createGroup(SerializationFormat.Avro).registerSchema(true).build(); |
| 55 | + this.serializer = AvroSerializerFactory |
| 56 | + .serializer(serializerConfig, userAvroSchema); |
| 57 | + this.avroDeserializer = Mockito.spy((AvroDeserializer<User>)AvroSerializerFactory.deserializer( |
| 58 | + serializerConfig, userAvroSchema)); |
| 59 | + |
| 60 | + org.apache.avro.Schema schema = userAvroSchema.getSchema(); |
| 61 | + AvroSchema<Object> objectAvroSchema = AvroSchema.of(schema); |
| 62 | + this.genericDeserializer = Mockito.spy((AvroGenericDeserializer)AvroSerializerFactory.genericDeserializer( |
| 63 | + serializerConfig, objectAvroSchema)); |
| 64 | + |
| 65 | + this.user = User.newBuilder() |
| 66 | + .setUserId("111111111111") |
| 67 | + .setBiography("Greg Egan was born 20 August 1961") |
| 68 | + .setName("Greg Egan") |
| 69 | + .setEventTimestamp(System.currentTimeMillis()) |
| 70 | + .setKeyValues(null) |
| 71 | + .setKeyValues2(null) |
| 72 | + .setKeyValues3(null) |
| 73 | + .setAddress(AddressEntry.newBuilder().setCity("Perth") |
| 74 | + .setPostalCode(5018) |
| 75 | + .setStreetAddress("4/19 Gardner Road").build()).build(); |
| 76 | + } |
| 77 | + |
| 78 | + @Test |
| 79 | + public void testCreatingReadersOnceForSchemaGeneric() { |
| 80 | + ImmutableMap<Pair<SchemaInfo, SchemaInfo>, GenericDatumReader<Object>> knownSchemaReaders1 = genericDeserializer.getKnownSchemaReaders(); |
| 81 | + Assert.assertTrue(knownSchemaReaders1.isEmpty()); |
| 82 | + Assert.assertEquals(0, knownSchemaReaders1.size()); |
| 83 | + |
| 84 | + ByteBuffer serialized = serializer.serialize(user); |
| 85 | + int payloadSize = serialized.limit(); |
| 86 | + log.info("serialized into {}", payloadSize); |
| 87 | + Assert.assertEquals(100, payloadSize); |
| 88 | + byte[] bytes = serialized.array(); |
| 89 | + log.info("bytes: {}", new String(bytes, StandardCharsets.UTF_8)); |
| 90 | + Object user1 = genericDeserializer.deserialize(ByteBuffer.wrap(bytes)); |
| 91 | + log.info("deserialized {}", user1); |
| 92 | + ImmutableMap<Pair<SchemaInfo, SchemaInfo>, GenericDatumReader<Object>> knownSchemaReaders2 = genericDeserializer.getKnownSchemaReaders(); |
| 93 | + Assert.assertEquals(1, knownSchemaReaders2.size()); |
| 94 | + } |
| 95 | + |
| 96 | + @Test |
| 97 | + public void testCreatingReadersOnceForSchema() { |
| 98 | + ImmutableMap<ByteBuffer, DatumReader<User>> knownSchemaReaders1 = avroDeserializer.getKnownSchemaReaders(); |
| 99 | + Assert.assertFalse(knownSchemaReaders1.isEmpty()); |
| 100 | + Assert.assertEquals(1, knownSchemaReaders1.size()); |
| 101 | + AvroSchema<User> userAvroSchema = AvroSchema.of(User.class); |
| 102 | + DatumReader<User> datumReader = knownSchemaReaders1.get(userAvroSchema.getSchemaInfo().getSchemaData()); |
| 103 | + Assert.assertNotNull(datumReader); |
| 104 | + |
| 105 | + ByteBuffer serialized = serializer.serialize(user); |
| 106 | + int payloadSize = serialized.limit(); |
| 107 | + log.info("serialized into {}", payloadSize); |
| 108 | + Assert.assertEquals(100, payloadSize); |
| 109 | + byte[] bytes = serialized.array(); |
| 110 | + log.info("bytes: {}", new String(bytes, StandardCharsets.UTF_8)); |
| 111 | + User user1 = avroDeserializer.deserialize(ByteBuffer.wrap(bytes)); |
| 112 | + |
| 113 | + log.info("deserialized {}", user1); |
| 114 | + Assert.assertEquals(user, user1); |
| 115 | + serializer.serialize(user1); |
| 116 | + ImmutableMap<ByteBuffer, DatumReader<User>> knownSchemaReaders2 = avroDeserializer.getKnownSchemaReaders(); |
| 117 | + Assert.assertEquals(1, knownSchemaReaders2.size()); |
| 118 | + Assert.assertEquals(knownSchemaReaders1, knownSchemaReaders2); |
| 119 | + // called zero times outside constructor |
| 120 | + Mockito.verify(avroDeserializer, Mockito.times(0)).createDatumReader(Mockito.any(), Mockito.any(), Mockito.anyBoolean()); |
| 121 | + } |
| 122 | + |
| 123 | +} |
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