| /* |
| * 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.tuweni.devp2p.v5.packet |
| |
| import org.apache.tuweni.bytes.Bytes |
| import org.junit.jupiter.api.Test |
| import org.junit.jupiter.api.assertThrows |
| |
| class UdpMessageTest { |
| |
| @Test |
| fun magicCreatesSha256OfDestNodeIdAndConstantString() { |
| val destId = Bytes.fromHexString("0xA5CFE10E0EFC543CBE023560B2900E2243D798FAFD0EA46267DDD20D283CE13C") |
| val expected = Bytes.fromHexString("0x98EB6D611291FA21F6169BFF382B9369C33D997FE4DC93410987E27796360640") |
| |
| val result = UdpMessage.magic(destId) |
| |
| assert(expected == result) |
| } |
| |
| @Test |
| fun tagHashesSourceAndDestNodeIdCorrectly() { |
| val srcId = Bytes.fromHexString("0x98EB6D611291FA21F6169BFF382B9369C33D997FE4DC93410987E27796360640") |
| val destId = Bytes.fromHexString("0xA5CFE10E0EFC543CBE023560B2900E2243D798FAFD0EA46267DDD20D283CE13C") |
| val expected = Bytes.fromHexString("0xB7A0D7CA8BD37611315DA0882FF479DE14B442FD30AE0EFBE6FC6344D55DC632") |
| |
| val result = UdpMessage.tag(srcId, destId) |
| |
| assert(expected == result) |
| } |
| |
| @Test |
| fun getSourceFromTagFetchesSrcNodeId() { |
| val srcId = Bytes.fromHexString("0x98EB6D611291FA21F6169BFF382B9369C33D997FE4DC93410987E27796360640") |
| val destId = Bytes.fromHexString("0xA5CFE10E0EFC543CBE023560B2900E2243D798FAFD0EA46267DDD20D283CE13C") |
| val tag = UdpMessage.tag(srcId, destId) |
| |
| val result = UdpMessage.getSourceFromTag(tag, destId) |
| |
| assert(srcId == result) |
| } |
| |
| @Test |
| fun authTagGivesRandom12Bytes() { |
| val firstResult = UdpMessage.authTag() |
| |
| assert(UdpMessage.AUTH_TAG_LENGTH == firstResult.size()) |
| |
| val secondResult = UdpMessage.authTag() |
| |
| assert(secondResult != firstResult) |
| } |
| |
| @Test |
| fun randomDataGivesRandom44Bytes() { |
| val firstResult = UdpMessage.randomData() |
| |
| assert(UdpMessage.RANDOM_DATA_LENGTH == firstResult.size()) |
| |
| val secondResult = UdpMessage.randomData() |
| |
| assert(secondResult != firstResult) |
| } |
| |
| @Test |
| fun idNonceGivesRandom32Bytes() { |
| val firstResult = UdpMessage.idNonce() |
| |
| assert(UdpMessage.ID_NONCE_LENGTH == firstResult.size()) |
| |
| val secondResult = UdpMessage.idNonce() |
| |
| assert(secondResult != firstResult) |
| } |
| |
| @Test |
| fun getMessageTypeThrowsExceptionByDefault() { |
| assertThrows<UnsupportedOperationException> { |
| RandomMessage().getMessageType() |
| } |
| } |
| } |