* swarm: propagate ctx, enable opentracing * swarm/tracing: log error when tracing is misconfigured
		
			
				
	
	
		
			123 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			123 lines
		
	
	
		
			3.8 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 storage
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import (
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	"bytes"
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	"context"
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	"testing"
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	"github.com/ethereum/go-ethereum/swarm/storage/encryption"
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	"github.com/ethereum/go-ethereum/common"
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)
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func TestHasherStore(t *testing.T) {
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	var tests = []struct {
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		chunkLength int
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		toEncrypt   bool
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	}{
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		{10, false},
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		{100, false},
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		{1000, false},
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		{4096, false},
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		{10, true},
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		{100, true},
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		{1000, true},
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		{4096, true},
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	}
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	for _, tt := range tests {
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		chunkStore := NewMapChunkStore()
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		hasherStore := NewHasherStore(chunkStore, MakeHashFunc(DefaultHash), tt.toEncrypt)
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		// Put two random chunks into the hasherStore
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		chunkData1 := GenerateRandomChunk(int64(tt.chunkLength)).SData
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		key1, err := hasherStore.Put(context.TODO(), chunkData1)
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		if err != nil {
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			t.Fatalf("Expected no error got \"%v\"", err)
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		}
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		chunkData2 := GenerateRandomChunk(int64(tt.chunkLength)).SData
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		key2, err := hasherStore.Put(context.TODO(), chunkData2)
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		if err != nil {
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			t.Fatalf("Expected no error got \"%v\"", err)
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		}
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		hasherStore.Close()
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		// Wait until chunks are really stored
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		err = hasherStore.Wait(context.TODO())
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		if err != nil {
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			t.Fatalf("Expected no error got \"%v\"", err)
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		}
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		// Get the first chunk
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		retrievedChunkData1, err := hasherStore.Get(context.TODO(), key1)
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		if err != nil {
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			t.Fatalf("Expected no error, got \"%v\"", err)
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		}
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		// Retrieved data should be same as the original
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		if !bytes.Equal(chunkData1, retrievedChunkData1) {
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			t.Fatalf("Expected retrieved chunk data %v, got %v", common.Bytes2Hex(chunkData1), common.Bytes2Hex(retrievedChunkData1))
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		}
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		// Get the second chunk
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		retrievedChunkData2, err := hasherStore.Get(context.TODO(), key2)
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		if err != nil {
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			t.Fatalf("Expected no error, got \"%v\"", err)
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		}
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		// Retrieved data should be same as the original
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		if !bytes.Equal(chunkData2, retrievedChunkData2) {
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			t.Fatalf("Expected retrieved chunk data %v, got %v", common.Bytes2Hex(chunkData2), common.Bytes2Hex(retrievedChunkData2))
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		}
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		hash1, encryptionKey1, err := parseReference(key1, hasherStore.hashSize)
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		if err != nil {
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			t.Fatalf("Expected no error, got \"%v\"", err)
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		}
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		if tt.toEncrypt {
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			if encryptionKey1 == nil {
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				t.Fatal("Expected non-nil encryption key, got nil")
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			} else if len(encryptionKey1) != encryption.KeyLength {
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				t.Fatalf("Expected encryption key length %v, got %v", encryption.KeyLength, len(encryptionKey1))
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			}
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		}
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		if !tt.toEncrypt && encryptionKey1 != nil {
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			t.Fatalf("Expected nil encryption key, got key with length %v", len(encryptionKey1))
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		}
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		// Check if chunk data in store is encrypted or not
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		chunkInStore, err := chunkStore.Get(context.TODO(), hash1)
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		if err != nil {
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			t.Fatalf("Expected no error got \"%v\"", err)
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		}
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		chunkDataInStore := chunkInStore.SData
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		if tt.toEncrypt && bytes.Equal(chunkData1, chunkDataInStore) {
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			t.Fatalf("Chunk expected to be encrypted but it is stored without encryption")
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		}
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		if !tt.toEncrypt && !bytes.Equal(chunkData1, chunkDataInStore) {
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			t.Fatalf("Chunk expected to be not encrypted but stored content is different. Expected %v got %v", common.Bytes2Hex(chunkData1), common.Bytes2Hex(chunkDataInStore))
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		}
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	}
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}
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