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80 lines
2.1 KiB
80 lines
2.1 KiB
// Copyright 2019 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 localstore
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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/chunk"
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)
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// TestExportImport constructs two databases, one to put and export
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// chunks and another one to import and validate that all chunks are
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// imported.
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func TestExportImport(t *testing.T) {
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db1, cleanup1 := newTestDB(t, nil)
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defer cleanup1()
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var chunkCount = 100
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chunks := make(map[string][]byte, chunkCount)
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for i := 0; i < chunkCount; i++ {
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ch := generateTestRandomChunk()
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_, err := db1.Put(context.Background(), chunk.ModePutUpload, ch)
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if err != nil {
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t.Fatal(err)
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}
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chunks[string(ch.Address())] = ch.Data()
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}
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var buf bytes.Buffer
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c, err := db1.Export(&buf)
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if err != nil {
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t.Fatal(err)
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}
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wantChunksCount := int64(len(chunks))
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if c != wantChunksCount {
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t.Errorf("got export count %v, want %v", c, wantChunksCount)
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}
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db2, cleanup2 := newTestDB(t, nil)
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defer cleanup2()
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c, err = db2.Import(&buf, false)
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if err != nil {
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t.Fatal(err)
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}
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if c != wantChunksCount {
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t.Errorf("got import count %v, want %v", c, wantChunksCount)
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}
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for a, want := range chunks {
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addr := chunk.Address([]byte(a))
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ch, err := db2.Get(context.Background(), chunk.ModeGetRequest, addr)
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if err != nil {
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t.Fatal(err)
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}
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got := ch.Data()
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if !bytes.Equal(got, want) {
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t.Fatalf("chunk %s: got data %x, want %x", addr.Hex(), got, want)
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}
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}
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}
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