-
Notifications
You must be signed in to change notification settings - Fork 0
/
logfile_test.go
135 lines (127 loc) · 2.96 KB
/
logfile_test.go
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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
package leveldb
import (
"bytes"
"errors"
"github.com/robaho/leveldb/skip"
"os"
"testing"
)
func writeLogFile() error {
err := os.Remove("test/log.0")
if err != nil && !os.IsNotExist(err) {
panic(err)
}
os.Mkdir("test", 0777)
lf, err := newLogFile("test", 0, Options{})
if err != nil {
return err
}
err = lf.Write([]byte("mykey"), []byte("myvalue"))
if err != nil {
return err
}
err = lf.StartBatch(2)
if err != nil {
return err
}
err = lf.Write([]byte("batchkey1"), []byte("batchvalue1"))
if err != nil {
return err
}
err = lf.Write([]byte("batchkey2"), []byte("batchvalue2"))
if err != nil {
return err
}
err = lf.EndBatch(2)
if err != nil {
return err
}
err = lf.Close()
if err != nil {
return err
}
return nil
}
func testKeyValue(s *skip.SkipList[KeyValue], key string, value string) error {
r, ok := s.Get(KeyValue{key: []byte(key)})
if !ok {
return errors.New("key not found")
}
if bytes.Compare([]byte(value), r.value) != 0 {
return errors.New("incorrect value")
}
return nil
}
func TestLogFile_Write(t *testing.T) {
err := writeLogFile()
if err != nil {
t.Fatal(err)
}
s, err := readLogFile("test/log.0", Options{})
if err != nil {
t.Fatal(err)
}
if err = testKeyValue(s, "mykey", "myvalue"); err != nil {
t.Fatal(err)
}
if err = testKeyValue(s, "batchkey1", "batchvalue1"); err != nil {
t.Fatal(err)
}
if err = testKeyValue(s, "batchkey2", "batchvalue2"); err != nil {
t.Fatal(err)
}
}
func TestLogFile_InvalidFile(t *testing.T) {
err := writeLogFile()
if err != nil {
t.Fatal(err)
}
err = os.Truncate("test/log.0", 1)
if err != nil {
t.Fatal(err)
}
_, err = readLogFile("test/log.0", Options{})
if err == nil {
t.Fatal("file should have failed to load", err)
}
}
func TestLogFile_PartialBatch(t *testing.T) {
err := writeLogFile()
if err != nil {
t.Fatal(err)
}
err = os.Truncate("test/log.0", 84-12) // truncate into batch
if err != nil {
t.Fatal(err)
}
_, err = readLogFile("test/log.0", Options{BatchReadMode: ReturnOpenError})
if err == nil {
t.Fatal("file should have failed to load", err)
}
s, err := readLogFile("test/log.0", Options{BatchReadMode: DiscardPartial})
if err != nil {
t.Fatal("file should have opened", err)
}
if err = testKeyValue(s, "mykey", "myvalue"); err != nil {
t.Fatal(err)
}
if err = testKeyValue(s, "batchkey1", "batchvalue1"); err == nil {
t.Fatal("batchkey1 should have been dropped")
}
if err = testKeyValue(s, "batchkey2", "batchvalue2"); err == nil {
t.Fatal("batchkey2 should have been dropped")
}
s, err = readLogFile("test/log.0", Options{BatchReadMode: ApplyPartial})
if err != nil {
t.Fatal("file should have opened", err)
}
if err = testKeyValue(s, "mykey", "myvalue"); err != nil {
t.Fatal(err)
}
if err = testKeyValue(s, "batchkey1", "batchvalue1"); err != nil {
t.Fatal("batchkey1 should have been found")
}
if err = testKeyValue(s, "batchkey2", "batchvalue2"); err == nil {
t.Fatal("batchkey2 should have been dropped")
}
}