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
|
// Copyright (C) 2023 Luke Shumaker <lukeshu@lukeshu.com>
//
// SPDX-License-Identifier: GPL-2.0-or-later
package btrfssum_test
import (
"bytes"
"testing"
"git.lukeshu.com/go/lowmemjson"
"github.com/stretchr/testify/assert"
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfssum"
)
func TestShortSumEncodeJSON(t *testing.T) {
t.Parallel()
type TestCase struct {
InputSum btrfssum.ShortSum
OutputJSON string
}
testcases := map[string]TestCase{
"short": {
InputSum: "xyz",
OutputJSON: `"78797a"`,
},
"long": {
InputSum: "0123456789abcdefghijklmnopqrstuvwxyz;:.,ABCDEFG",
OutputJSON: `["303132333435363738396162636465666768696a6b6c6d6e6f707172737475767778797a3b3a2e2c","41424344454647"]`,
},
"medium": { // exactly the maximum string length
InputSum: "0123456789abcdefghijklmnopqrstuvwxyz;:.,",
OutputJSON: `"303132333435363738396162636465666768696a6b6c6d6e6f707172737475767778797a3b3a2e2c"`,
},
}
for tcName, tc := range testcases {
tc := tc
t.Run(tcName, func(t *testing.T) {
t.Parallel()
var jsonBuf bytes.Buffer
assert.NoError(t, lowmemjson.NewEncoder(&jsonBuf).Encode(tc.InputSum))
assert.Equal(t, tc.OutputJSON, jsonBuf.String())
var rtSum btrfssum.ShortSum
assert.NoError(t, lowmemjson.NewDecoder(&jsonBuf).DecodeThenEOF(&rtSum))
assert.Equal(t, tc.InputSum, rtSum)
})
}
}
func FuzzShortSumJSONFuzz(f *testing.F) {
f.Fuzz(func(t *testing.T, _inSum []byte) {
t.Logf("in = %q", _inSum)
inSum := btrfssum.ShortSum(_inSum)
var jsonBuf bytes.Buffer
assert.NoError(t, lowmemjson.NewEncoder(&jsonBuf).Encode(inSum))
t.Logf("json = %q", jsonBuf.Bytes())
var outSum btrfssum.ShortSum
assert.NoError(t, lowmemjson.NewDecoder(&jsonBuf).DecodeThenEOF(&outSum))
assert.Equal(t, inSum, outSum)
})
}
|
