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
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
// Copyright 2018 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 storage
import (
"io/ioutil"
"os"
"testing"
)
var (
hashfunc = MakeHashFunc(DefaultHash)
)
// tests that the content address validator correctly checks the data
// tests that resource update chunks are passed through content address validator
// the test checking the resouce update validator internal correctness is found in resource_test.go
func TestValidator(t *testing.T) {
// set up localstore
datadir, err := ioutil.TempDir("", "storage-testvalidator")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(datadir)
params := NewDefaultLocalStoreParams()
params.Init(datadir)
store, err := NewLocalStore(params, nil)
if err != nil {
t.Fatal(err)
}
// check puts with no validators, both succeed
chunks := GenerateRandomChunks(259, 2)
goodChunk := chunks[0]
badChunk := chunks[1]
copy(badChunk.SData, goodChunk.SData)
PutChunks(store, goodChunk, badChunk)
if err := goodChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on good content address chunk in spite of no validation, but got: %s", err)
}
if err := badChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on bad content address chunk in spite of no validation, but got: %s", err)
}
// add content address validator and check puts
// bad should fail, good should pass
store.Validators = append(store.Validators, NewContentAddressValidator(hashfunc))
chunks = GenerateRandomChunks(DefaultChunkSize, 2)
goodChunk = chunks[0]
badChunk = chunks[1]
copy(badChunk.SData, goodChunk.SData)
PutChunks(store, goodChunk, badChunk)
if err := goodChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
}
if err := badChunk.GetErrored(); err == nil {
t.Fatal("expected error on bad content address chunk with content address validator only, but got nil")
}
// append a validator that always denies
// bad should fail, good should pass,
var negV boolTestValidator
store.Validators = append(store.Validators, negV)
chunks = GenerateRandomChunks(DefaultChunkSize, 2)
goodChunk = chunks[0]
badChunk = chunks[1]
copy(badChunk.SData, goodChunk.SData)
PutChunks(store, goodChunk, badChunk)
if err := goodChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
}
if err := badChunk.GetErrored(); err == nil {
t.Fatal("expected error on bad content address chunk with content address validator only, but got nil")
}
// append a validator that always approves
// all shall pass
var posV boolTestValidator = true
store.Validators = append(store.Validators, posV)
chunks = GenerateRandomChunks(DefaultChunkSize, 2)
goodChunk = chunks[0]
badChunk = chunks[1]
copy(badChunk.SData, goodChunk.SData)
PutChunks(store, goodChunk, badChunk)
if err := goodChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on good content address chunk with content address validator only, but got: %s", err)
}
if err := badChunk.GetErrored(); err != nil {
t.Fatalf("expected no error on bad content address chunk with content address validator only, but got: %s", err)
}
}
type boolTestValidator bool
func (self boolTestValidator) Validate(addr Address, data []byte) bool {
return bool(self)
}
|
