public void Multiple_ISpecificRecords()
{
var serializer = new AvroSerializer <ISpecificRecord>(schemaRegistryClient);
var deserializerUser = new AvroDeserializer <User>(schemaRegistryClient);
var deserializerCar = new AvroDeserializer <Car>(schemaRegistryClient);
var user = new User
{
favorite_color = "blue",
favorite_number = 100,
name = "awesome"
};
var car = new Car
{
color = "blue",
name = "great_brand"
};
var bytesUser = serializer.SerializeAsync(user, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
var resultUser = deserializerUser.DeserializeAsync(bytesUser, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result as User;
Assert.NotNull(resultUser);
Assert.Equal(user.name, resultUser.name);
Assert.Equal(user.favorite_color, resultUser.favorite_color);
Assert.Equal(user.favorite_number, resultUser.favorite_number);
var bytesCar = serializer.SerializeAsync(car, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
var resultCar = deserializerCar.DeserializeAsync(bytesCar, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result as Car;
Assert.NotNull(resultCar);
Assert.Equal(car.name, resultCar.name);
Assert.Equal(car.color, resultCar.color);
}
public void Incompatible()
{
var avroSerializer = new AvroSerializer <string>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <int>(schemaRegistryClient);
var bytes = avroSerializer.SerializeAsync("hello world", new SerializationContext(MessageComponentType.Value, testTopic)).Result;
Assert.Throws <System.AggregateException>(() => avroDeserializer.DeserializeAsync(bytes, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result);
}
public void Poco_Serialize()
{
var serializer = new AvroSerializer <Dictionary <string, string> >(schemaRegistryClient);
Assert.Throws <System.InvalidOperationException>(() => serializer.SerializeAsync(new Dictionary <string, string> {
{ "cat", "dog" }
}, new SerializationContext(MessageComponentType.Key, testTopic)).GetAwaiter().GetResult());
}
public void Incompatible()
{
var avroSerializer = new AvroSerializer <string>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <int>(schemaRegistryClient);
var bytes = avroSerializer.SerializeAsync("hello world", false, new MessageMetadata(), new TopicPartition("topic", Partition.Any)).Result;
Assert.Throws <System.AggregateException>(() => avroDeserializer.DeserializeAsync(bytes, false, false, new MessageMetadata(), new TopicPartition("topic", Partition.Any)).Result);
}
public void DoubleSerDe()
{
var avroSerializer = new AvroSerializer <double>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <double>(schemaRegistryClient);
byte[] bytes;
bytes = avroSerializer.SerializeAsync(123d, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
Assert.Equal(123d, avroDeserializer.DeserializeAsync(bytes, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result);
}
public void BoolSerDe()
{
var avroSerializer = new AvroSerializer <bool>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <bool>(schemaRegistryClient);
byte[] bytes;
bytes = avroSerializer.SerializeAsync(true, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
Assert.True(avroDeserializer.DeserializeAsync(bytes, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result);
}
public void DoubleSerDe()
{
var avroSerializer = new AvroSerializer <double>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <double>(schemaRegistryClient);
byte[] bytes;
bytes = avroSerializer.SerializeAsync(123d, false, new MessageMetadata(), new TopicPartition(testTopic, Partition.Any)).Result;
Assert.Equal(123d, avroDeserializer.DeserializeAsync(bytes, false, false, new MessageMetadata(), new TopicPartition(testTopic, Partition.Any)).Result);
}
public void BytesSerDe()
{
var avroSerializer = new AvroSerializer <byte[]>(schemaRegistryClient);
var avroDeserializer = new AvroDeserializer <byte[]>(schemaRegistryClient);
byte[] bytes;
bytes = avroSerializer.SerializeAsync(new byte[] { 2, 3, 4 }, false, new MessageMetadata(), new TopicPartition(testTopic, Partition.Any)).Result;
Assert.Equal(new byte[] { 2, 3, 4 }, avroDeserializer.DeserializeAsync(bytes, false, false, new MessageMetadata(), new TopicPartition(testTopic, Partition.Any)).Result);
}
public void NullString()
{
var serializer = new AvroSerializer <string>(schemaRegistryClient);
var deserializer = new AvroDeserializer <string>(schemaRegistryClient);
var bytes = serializer.SerializeAsync(null, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
var result = deserializer.DeserializeAsync(bytes, isNull: true, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
Assert.Null(bytes);
Assert.Null(result);
}
public void ISpecificRecord()
{
var serializer = new AvroSerializer <User>(schemaRegistryClient);
var deserializer = new AvroDeserializer <User>(schemaRegistryClient);
var user = new User
{
favorite_color = "blue",
favorite_number = 100,
name = "awesome"
};
var bytes = serializer.SerializeAsync(user, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
var result = deserializer.DeserializeAsync(bytes, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
Assert.Equal(user.name, result.name);
Assert.Equal(user.favorite_color, result.favorite_color);
Assert.Equal(user.favorite_number, result.favorite_number);
}
public void ISpecificRecord()
{
var serializer = new AvroSerializer <User>(schemaRegistryClient);
var deserializer = new AvroDeserializer <User>(schemaRegistryClient);
var user = new User
{
favorite_color = "blue",
favorite_number = 100,
name = "awesome"
};
var bytes = serializer.SerializeAsync(user, false, new MessageMetadata(), new TopicPartition("topic", Partition.Any)).Result;
var result = deserializer.DeserializeAsync(bytes, false, false, new MessageMetadata(), new TopicPartition("topic", Partition.Any)).Result;
Assert.Equal(user.name, result.name);
Assert.Equal(user.favorite_color, result.favorite_color);
Assert.Equal(user.favorite_number, result.favorite_number);
}
public async Task HandleTopicAsync(string topic, CancellationToken token)
{
var types = GetTypes(topic);
using var schemaRegistry = new CachedSchemaRegistryClient(_schemaRegistryConfig);
using var consumer = new ConsumerBuilder <string, GenericRecord>(_consumerConfig)
.SetKeyDeserializer(new AvroDeserializer <string>(schemaRegistry).AsSyncOverAsync())
.SetValueDeserializer(new AvroDeserializer <GenericRecord>(schemaRegistry).AsSyncOverAsync())
.SetErrorHandler((_, e) => Console.WriteLine($"Error: {e.Reason}"))
.Build();
consumer.Subscribe(topic);
try
{
while (true)
{
try
{
var cr = consumer.Consume(token);
if (cr.Message != null)
{
var type = types.FirstOrDefault(x => x.FullName == cr.Message.Value.Schema.Fullname);
var serializer = new AvroSerializer <GenericRecord>(schemaRegistry);
var bytes = await serializer.SerializeAsync(cr.Message.Value, new SerializationContext());
var handler = (IAvroEventHandler)_serviceProvider.GetService(typeof(AvroEventHandler <>).MakeGenericType(type));
await handler.Handle(bytes, schemaRegistry, token);
consumer.Commit(cr);
}
}
catch (ConsumeException ex)
{
Debug.WriteLine(ex.Error.Reason);
}
}
} catch (OperationCanceledException)
{
consumer.Close();
}
}
public void ISpecificRecordComplex()
{
var serializer = new AvroSerializer <Parent>(schemaRegistryClient);
var deserializer = new AvroDeserializer <Parent>(schemaRegistryClient);
var user = new Parent
{
children = new List <Child>
{
new Child
{
name = "test"
}
}
};
var bytes = serializer.SerializeAsync(user, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
var result = deserializer.DeserializeAsync(bytes, false, new SerializationContext(MessageComponentType.Value, testTopic)).Result;
//Assert.Equal(user.name, result.name);
//Assert.Equal(user.favorite_color, result.favorite_color);
//Assert.Equal(user.favorite_number, result.favorite_number);
}
public async Task <byte[]> SerializeAsync(GenericRecord genericRecord, string topic) => await _avroSerializer.SerializeAsync(genericRecord, new SerializationContext(MessageComponentType.Value, topic));
