| /** |
| * 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 |
| * |
| * https://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.avro.grpc; |
| |
| import org.apache.avro.Protocol; |
| import org.apache.avro.grpc.test.Kind; |
| import org.apache.avro.grpc.test.MD5; |
| import org.apache.avro.grpc.test.TestRecord; |
| import org.apache.avro.grpc.test.TestService; |
| import org.junit.Test; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| import java.util.Random; |
| |
| import io.grpc.Drainable; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class TestAvroMarshaller { |
| private final TestRecord record = TestRecord.newBuilder().setName("foo").setKind(Kind.FOO) |
| .setArrayOfLongs(Arrays.asList(42L, 424L, 4242L)).setHash(new MD5(new byte[] { 4, 2, 4, 2 })) |
| .setNullableHash(null).build(); |
| private final Protocol.Message message = TestService.PROTOCOL.getMessages().get("echo"); |
| private Random random = new Random(); |
| |
| private void readPratialAndDrain(int partialToRead, InputStream inputStream, OutputStream target) throws IOException { |
| // read specified partial bytes from request InputStream to target and then |
| // drain the rest. |
| for (int i = 0; i < partialToRead; i++) { |
| int readByte = inputStream.read(); |
| if (readByte >= 0) { |
| target.write(readByte); |
| } else { |
| break; |
| } |
| } |
| Drainable drainableRequest = (Drainable) inputStream; |
| drainableRequest.drainTo(target); |
| } |
| |
| @Test |
| public void testAvroRequestReadPartialAndDrain() throws IOException { |
| AvroRequestMarshaller requestMarshaller = new AvroRequestMarshaller(message); |
| InputStream requestInputStream = requestMarshaller.stream(new Object[] { record }); |
| ByteArrayOutputStream requestOutputStream = new ByteArrayOutputStream(); |
| readPratialAndDrain(random.nextInt(7) + 1, requestInputStream, requestOutputStream); |
| InputStream serialized = new ByteArrayInputStream(requestOutputStream.toByteArray()); |
| Object[] parsedArgs = requestMarshaller.parse(serialized); |
| assertEquals(1, parsedArgs.length); |
| assertEquals(record, parsedArgs[0]); |
| } |
| |
| @Test |
| public void testAvroResponseReadPartialAndDrain() throws IOException { |
| AvroResponseMarshaller responseMarshaller = new AvroResponseMarshaller(message); |
| InputStream responseInputStream = responseMarshaller.stream(record); |
| ByteArrayOutputStream responseOutputStream = new ByteArrayOutputStream(); |
| readPratialAndDrain(random.nextInt(7) + 1, responseInputStream, responseOutputStream); |
| InputStream serialized = new ByteArrayInputStream(responseOutputStream.toByteArray()); |
| Object parsedResponse = responseMarshaller.parse(serialized); |
| assertEquals(record, parsedResponse); |
| } |
| } |