| /* |
| * 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.ignite.client.proto; |
| |
| import io.netty.buffer.Unpooled; |
| import org.apache.ignite.client.proto.ClientMessageDecoder; |
| import org.apache.ignite.lang.IgniteException; |
| import org.junit.jupiter.api.Test; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| |
| import static org.junit.jupiter.api.Assertions.assertArrayEquals; |
| import static org.junit.jupiter.api.Assertions.assertEquals; |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| /** |
| * Message decoding tests. |
| */ |
| public class ClientMessageDecoderTest { |
| @Test |
| void testEmptyBufferReturnsNoResults() throws Exception { |
| var buf = new byte[0]; |
| var res = new ArrayList<>(); |
| |
| new ClientMessageDecoder().decode(null, Unpooled.wrappedBuffer(buf), res); |
| |
| assertEquals(0, res.size()); |
| } |
| |
| @Test |
| void testValidMagicAndMessageReturnsPayload() { |
| var res = new ArrayList<>(); |
| new ClientMessageDecoder().decode(null, Unpooled.wrappedBuffer(getMagicWithPayload()), res); |
| |
| assertEquals(1, res.size()); |
| |
| var resBuf = (ByteBuffer)res.get(0); |
| assertArrayEquals(new byte[]{33, 44}, resBuf.array()); |
| } |
| |
| @Test |
| void testInvalidMagicThrowsException() { |
| byte[] buf = {66, 69, 69, 70, 1, 2, 3}; |
| |
| var t = assertThrows(IgniteException.class, |
| () -> new ClientMessageDecoder().decode(null, Unpooled.wrappedBuffer(buf), new ArrayList<>())); |
| |
| assertEquals("Invalid magic header in thin client connection. Expected 'IGNI', but was 'BEEF'.", |
| t.getMessage()); |
| } |
| |
| /** |
| * Tests multipart buffer arrival: socket can split incoming stream into arbitrary chunks. |
| */ |
| @Test |
| void testMultipartValidMagicAndMessageReturnsPayload() throws Exception { |
| var decoder = new ClientMessageDecoder(); |
| var res = new ArrayList<>(); |
| |
| byte[] data = getMagicWithPayload(); |
| |
| decoder.decode(null, Unpooled.wrappedBuffer(data, 0, 4), res); |
| assertEquals(0, res.size()); |
| |
| decoder.decode(null, Unpooled.wrappedBuffer(data, 4, 4), res); |
| assertEquals(0, res.size()); |
| |
| decoder.decode(null, Unpooled.wrappedBuffer(data, 8, 1), res); |
| assertEquals(0, res.size()); |
| |
| decoder.decode(null, Unpooled.wrappedBuffer(data, 9, 1), res); |
| assertEquals(1, res.size()); |
| |
| var resBuf = (ByteBuffer) res.get(0); |
| assertArrayEquals(new byte[]{33, 44}, resBuf.array()); |
| } |
| |
| private byte[] getMagicWithPayload() { |
| var buf = new byte[10]; |
| |
| // Magic. |
| System.arraycopy(ClientMessageDecoder.MAGIC_BYTES, 0, buf, 0, 4); |
| |
| // Message size. |
| buf[7] = 2; |
| |
| // Payload. |
| buf[8] = 33; |
| buf[9] = 44; |
| |
| return buf; |
| } |
| } |