| /* |
| * 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.apisix.plugin.runner.codec.impl; |
| |
| import com.google.flatbuffers.FlatBufferBuilder; |
| import io.github.api7.A6.Err.Code; |
| import io.github.api7.A6.TextEntry; |
| import io.netty.buffer.ByteBuf; |
| import io.netty.buffer.Unpooled; |
| import org.apache.apisix.plugin.runner.A6ConfigRequest; |
| import org.apache.apisix.plugin.runner.A6ErrRequest; |
| import org.apache.apisix.plugin.runner.A6Request; |
| import org.junit.jupiter.api.Assertions; |
| import org.junit.jupiter.api.BeforeEach; |
| import org.junit.jupiter.api.DisplayName; |
| import org.junit.jupiter.api.Test; |
| import org.mockito.InjectMocks; |
| import org.mockito.MockitoAnnotations; |
| |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.jupiter.api.Assertions.assertThrows; |
| |
| @DisplayName("test decode data") |
| class FlatBuffersDecoderTest { |
| |
| @InjectMocks |
| FlatBuffersDecoder flatBuffersDecoder; |
| |
| @BeforeEach |
| void setUp() { |
| MockitoAnnotations.initMocks(this); |
| } |
| |
| @Test |
| @DisplayName("test empty data") |
| void testEmptyData() { |
| byte[] bytes = new byte[]{}; |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6Request result = flatBuffersDecoder.decode(buffer); |
| Assertions.assertEquals(Code.BAD_REQUEST, ((A6ErrRequest) result).getCode()); |
| } |
| |
| @Test |
| @DisplayName("test unsupported type") |
| void testUnsupportedType() { |
| byte[] bytes = new byte[]{4}; |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6Request result = flatBuffersDecoder.decode(buffer); |
| Assertions.assertEquals(Code.BAD_REQUEST, ((A6ErrRequest) result).getCode()); |
| } |
| |
| @Test |
| @DisplayName("test error data length(1)") |
| void testErrorDataLength1() { |
| // data length is greater than actual length |
| byte[] bytes = new byte[]{1, 0, 0, 3, 0}; |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6Request result = flatBuffersDecoder.decode(buffer); |
| Assertions.assertEquals(Code.BAD_REQUEST, ((A6ErrRequest) result).getCode()); |
| } |
| |
| @Test |
| @DisplayName("test error data length(2)") |
| void testErrorDataLength2() { |
| // data length equal to 0 |
| byte[] bytes = new byte[]{1, 0, 0, 0, 0}; |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6Request result = flatBuffersDecoder.decode(buffer); |
| Assertions.assertEquals(Code.BAD_REQUEST, ((A6ErrRequest) result).getCode()); |
| } |
| |
| @Test |
| @DisplayName("test error data length(3)") |
| void testErrorDataLength3() { |
| // wrong data content |
| byte[] bytes = new byte[]{1, 0, 0, 1, 0, 1}; |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6Request result = flatBuffersDecoder.decode(buffer); |
| Assertions.assertEquals(Code.BAD_REQUEST, ((A6ErrRequest) result).getCode()); |
| } |
| |
| @Test |
| @DisplayName("test get body") |
| void testGetBody() { |
| // mock client assembly data |
| FlatBufferBuilder builder = new FlatBufferBuilder(); |
| int foo = builder.createString("foo"); |
| int bar = builder.createString("bar"); |
| int confIndex = TextEntry.createTextEntry(builder, foo, bar); |
| int vector = io.github.api7.A6.PrepareConf.Req.createConfVector(builder, new int[]{confIndex}); |
| io.github.api7.A6.PrepareConf.Req.startReq(builder); |
| io.github.api7.A6.PrepareConf.Req.addConf(builder, vector); |
| builder.finish(io.github.api7.A6.PrepareConf.Req.endReq(builder)); |
| byte[] data = new byte[builder.dataBuffer().remaining()]; |
| builder.dataBuffer().get(data, 0, data.length); |
| // use the correct data length |
| byte[] header = new byte[]{1, 0, 0, (byte) data.length}; |
| byte[] bytes = new byte[header.length + data.length]; |
| // assembly data format |
| System.arraycopy(header, 0, bytes, 0, header.length); |
| System.arraycopy(data, 0, bytes, header.length, data.length); |
| |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6ConfigRequest configReq = (A6ConfigRequest) flatBuffersDecoder.decode(buffer); |
| for (int i = 0; i < configReq.getReq().confLength(); i++) { |
| TextEntry conf = configReq.getReq().conf(i); |
| Assertions.assertEquals("foo", conf.name()); |
| Assertions.assertEquals("bar", conf.value()); |
| } |
| } |
| |
| @Test |
| @DisplayName("test get body with error data length") |
| void testGetBody2() { |
| // {"name":"foo", "value":"bar"} |
| FlatBufferBuilder builder = new FlatBufferBuilder(); |
| int foo = builder.createString("foo"); |
| int bar = builder.createString("bar"); |
| int confIndex = TextEntry.createTextEntry(builder, foo, bar); |
| int vector = io.github.api7.A6.PrepareConf.Req.createConfVector(builder, new int[]{confIndex}); |
| io.github.api7.A6.PrepareConf.Req.startReq(builder); |
| io.github.api7.A6.PrepareConf.Req.addConf(builder, vector); |
| builder.finish(io.github.api7.A6.PrepareConf.Req.endReq(builder)); |
| byte[] data = new byte[builder.dataBuffer().remaining()]; |
| builder.dataBuffer().get(data, 0, data.length); |
| // se the error data length |
| byte errDateLength = (byte) (data.length / 2); |
| byte[] header = new byte[]{1, 0, 0, errDateLength}; |
| byte[] bytes = new byte[header.length + data.length]; |
| // assembly data format |
| System.arraycopy(header, 0, bytes, 0, header.length); |
| System.arraycopy(data, 0, bytes, header.length, data.length); |
| |
| ByteBuffer buffer = ByteBuffer.wrap(bytes); |
| A6ConfigRequest configReq = (A6ConfigRequest) flatBuffersDecoder.decode(buffer); |
| assertThrows(IndexOutOfBoundsException.class, () -> configReq.getReq().conf(0)); |
| } |
| |
| @Test |
| @DisplayName("test decode data length greater then 256") |
| void testDecodeDataGreaterLargeThen256() { |
| byte[] bytes = new byte[]{0, 1, 4}; |
| int length = flatBuffersDecoder.bytes2Int(bytes, 0, 3); |
| |
| // use Bytebuf getInt function (default 4 bytes) to verify |
| ByteBuf buf = Unpooled.buffer(4); |
| byte[] bufBytes = {0, 0, 1, 4}; |
| buf.writeBytes(bufBytes); |
| int bufLength = buf.getInt(0); |
| |
| Assertions.assertEquals(length, bufLength); |
| } |
| } |