1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
// Copyright 2019 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package localstore
import (
"bytes"
"context"
"testing"
"github.com/ethereum/go-ethereum/swarm/chunk"
)
// TestExportImport constructs two databases, one to put and export
// chunks and another one to import and validate that all chunks are
// imported.
func TestExportImport(t *testing.T) {
db1, cleanup1 := newTestDB(t, nil)
defer cleanup1()
var chunkCount = 100
chunks := make(map[string][]byte, chunkCount)
for i := 0; i < chunkCount; i++ {
ch := generateTestRandomChunk()
_, err := db1.Put(context.Background(), chunk.ModePutUpload, ch)
if err != nil {
t.Fatal(err)
}
chunks[string(ch.Address())] = ch.Data()
}
var buf bytes.Buffer
c, err := db1.Export(&buf)
if err != nil {
t.Fatal(err)
}
wantChunksCount := int64(len(chunks))
if c != wantChunksCount {
t.Errorf("got export count %v, want %v", c, wantChunksCount)
}
db2, cleanup2 := newTestDB(t, nil)
defer cleanup2()
c, err = db2.Import(&buf, false)
if err != nil {
t.Fatal(err)
}
if c != wantChunksCount {
t.Errorf("got import count %v, want %v", c, wantChunksCount)
}
for a, want := range chunks {
addr := chunk.Address([]byte(a))
ch, err := db2.Get(context.Background(), chunk.ModeGetRequest, addr)
if err != nil {
t.Fatal(err)
}
got := ch.Data()
if !bytes.Equal(got, want) {
t.Fatalf("chunk %s: got data %x, want %x", addr.Hex(), got, want)
}
}
}
|
