mirror of https://github.com/poanetwork/quorum.git
127 lines
4.3 KiB
Go
127 lines
4.3 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package mru
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import (
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"testing"
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"github.com/ethereum/go-ethereum/common/hexutil"
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)
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func compareByteSliceToExpectedHex(t *testing.T, variableName string, actualValue []byte, expectedHex string) {
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if hexutil.Encode(actualValue) != expectedHex {
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t.Fatalf("%s: Expected %s to be %s, got %s", t.Name(), variableName, expectedHex, hexutil.Encode(actualValue))
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}
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}
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func getTestMetadata() *ResourceMetadata {
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return &ResourceMetadata{
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Name: "world news report, every hour, on the hour",
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StartTime: Timestamp{
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Time: 1528880400,
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},
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Frequency: 3600,
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Owner: newCharlieSigner().Address(),
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}
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}
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func TestMetadataSerializerDeserializer(t *testing.T) {
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metadata := *getTestMetadata()
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rootAddr, metaHash, chunkData, err := metadata.serializeAndHash() // creates hashes and marshals, in one go
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if err != nil {
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t.Fatal(err)
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}
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const expectedRootAddr = "0xfb0ed7efa696bdb0b54cd75554cc3117ffc891454317df7dd6fefad978e2f2fb"
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const expectedMetaHash = "0xf74a10ce8f26ffc8bfaa07c3031a34b2c61f517955e7deb1592daccf96c69cf0"
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const expectedChunkData = "0x00004f0010dd205b00000000100e0000000000002a776f726c64206e657773207265706f72742c20657665727920686f75722c206f6e2074686520686f7572876a8936a7cd0b79ef0735ad0896c1afe278781c"
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compareByteSliceToExpectedHex(t, "rootAddr", rootAddr, expectedRootAddr)
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compareByteSliceToExpectedHex(t, "metaHash", metaHash, expectedMetaHash)
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compareByteSliceToExpectedHex(t, "chunkData", chunkData, expectedChunkData)
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recoveredMetadata := ResourceMetadata{}
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recoveredMetadata.binaryGet(chunkData)
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if recoveredMetadata != metadata {
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t.Fatalf("Expected that the recovered metadata equals the marshalled metadata")
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}
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// we are going to mess with the data, so create a backup to go back to it for the next test
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backup := make([]byte, len(chunkData))
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copy(backup, chunkData)
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chunkData = []byte{1, 2, 3}
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if err := recoveredMetadata.binaryGet(chunkData); err == nil {
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t.Fatal("Expected binaryGet to fail since chunk is too small")
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}
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// restore backup
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chunkData = make([]byte, len(backup))
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copy(chunkData, backup)
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// mess with the prefix so it is not zero
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chunkData[0] = 7
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chunkData[1] = 9
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if err := recoveredMetadata.binaryGet(chunkData); err == nil {
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t.Fatal("Expected binaryGet to fail since prefix bytes are not zero")
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}
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// restore backup
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chunkData = make([]byte, len(backup))
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copy(chunkData, backup)
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// mess with the length header to trigger an error
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chunkData[2] = 255
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chunkData[3] = 44
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if err := recoveredMetadata.binaryGet(chunkData); err == nil {
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t.Fatal("Expected binaryGet to fail since header length does not match")
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}
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// restore backup
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chunkData = make([]byte, len(backup))
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copy(chunkData, backup)
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// mess with name length header to trigger a chunk too short error
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chunkData[20] = 255
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if err := recoveredMetadata.binaryGet(chunkData); err == nil {
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t.Fatal("Expected binaryGet to fail since name length is incorrect")
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}
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// restore backup
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chunkData = make([]byte, len(backup))
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copy(chunkData, backup)
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// mess with name length header to trigger an leftover bytes to read error
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chunkData[20] = 3
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if err := recoveredMetadata.binaryGet(chunkData); err == nil {
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t.Fatal("Expected binaryGet to fail since name length is too small")
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}
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}
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func TestMetadataSerializerLengthCheck(t *testing.T) {
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metadata := *getTestMetadata()
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// make a slice that is too small to contain the metadata
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serializedMetadata := make([]byte, 4)
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if err := metadata.binaryPut(serializedMetadata); err == nil {
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t.Fatal("Expected metadata.binaryPut to fail, since target slice is too small")
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}
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}
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