/
log.go
95 lines (70 loc) · 1.75 KB
/
log.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
// (c) 2021 Jacek Olszak
// This code is licensed under MIT license (see LICENSE for details)
package tests
import (
"errors"
"testing"
"time"
"github.com/jacekolszak/logstore/log"
"github.com/stretchr/testify/require"
)
func OpenLogWriter(t TestingT, options ...log.OpenWriterOption) *log.Writer {
t.Helper()
_, writer := OpenLogWithWriter(t, options...)
return writer
}
func OpenLogWithWriter(t TestingT, options ...log.OpenWriterOption) (*log.Log, *log.Writer) {
t.Helper()
l := log.New(TempDir(t))
writer, err := l.OpenWriter(options...)
require.NoError(t, err)
t.Cleanup(func() {
_ = writer.Close()
})
return l, writer
}
func OpenLogReader(t *testing.T, options ...log.OpenReaderOption) log.Reader {
t.Helper()
l := log.New(TempDir(t))
reader, err := l.OpenReader(options...)
require.NoError(t, err)
t.Cleanup(func() {
_ = reader.Close()
})
return reader
}
func OpenReader(t TestingT, l *log.Log, options ...log.OpenReaderOption) log.Reader {
t.Helper()
reader, err := l.OpenReader(options...)
require.NoError(t, err)
t.Cleanup(func() {
_ = reader.Close()
})
return reader
}
func ReadAll(t *testing.T, l *log.Log, options ...log.OpenReaderOption) []Entry {
t.Helper()
reader, err := l.OpenReader(options...)
defer Close(t, reader)
require.NoError(t, err)
var entries []Entry
for {
v, data, err := reader.Read()
if errors.Is(err, log.ErrEOL) {
return entries
}
require.NoError(t, err)
entries = append(entries, Entry{Time: v, Data: data})
}
}
type Entry struct {
Time time.Time
Data []byte
}
func WriteEntry(t *testing.T, writer *log.Writer, sizeInBytes int64) time.Time {
t.Helper()
data := make([]byte, sizeInBytes)
entryTime, err := writer.Write(data)
require.NoError(t, err)
return entryTime
}