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
136
137
138
139
140
141
142
143
144
145
|
package main
import (
"bytes"
"io"
"testing"
"github.com/tdewolff/test"
)
func testOpener(filename string) (io.ReadCloser, error) {
if filename == "err" {
return nil, test.ErrPlain
} else if filename == "empty" {
return io.NopCloser(test.NewEmptyReader()), nil
}
return io.NopCloser(bytes.NewReader([]byte(filename))), nil
}
func TestConcat(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, nil)
test.T(t, err, nil)
buf, err := io.ReadAll(r)
test.T(t, err, nil)
test.Bytes(t, buf, []byte("testtest"))
n, err := r.Read(buf)
test.T(t, n, 0)
test.T(t, err, io.EOF)
}
func TestConcatErr(t *testing.T) {
_, err := newConcatFileReader([]string{"err"}, testOpener, nil)
test.T(t, err, test.ErrPlain)
r, err := newConcatFileReader([]string{"test", "err"}, testOpener, nil)
test.T(t, err, nil)
buf := make([]byte, 10)
n, err := r.Read(buf)
test.T(t, n, 4)
test.T(t, err, nil)
test.Bytes(t, buf[:n], []byte("test"))
n, err = r.Read(buf)
test.T(t, n, 0)
test.T(t, err, test.ErrPlain)
}
func TestConcatSep(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, []byte("_"))
test.T(t, err, nil)
buf := make([]byte, 10)
n, err := r.Read(buf)
test.T(t, n, 4)
test.T(t, err, nil)
test.Bytes(t, buf[:n], []byte("test"))
n, err = r.Read(buf[n:])
test.T(t, n, 5)
test.T(t, err, nil)
test.Bytes(t, buf[:4+n], []byte("test_test"))
}
func TestConcatSepShort1(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, []byte("_"))
test.T(t, err, nil)
// insufficient room for separator
buf := make([]byte, 4)
n, err := r.Read(buf)
test.T(t, n, 4)
test.T(t, err, nil)
test.Bytes(t, buf, []byte("test"))
n, err = r.Read(buf[4:])
test.T(t, n, 0)
test.T(t, err, nil)
}
func TestConcatSepShort2(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, []byte("_"))
test.T(t, err, nil)
// insufficient room after separator
buf := make([]byte, 5)
_, _ = r.Read(buf)
n, err := r.Read(buf[4:])
test.T(t, n, 1)
test.T(t, err, nil)
test.Bytes(t, buf, []byte("test_"))
}
func TestConcatSepShort3(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, []byte("_"))
test.T(t, err, nil)
// insufficient room after separator
buf := make([]byte, 6)
_, _ = r.Read(buf)
n, err := r.Read(buf[4:])
test.T(t, n, 2)
test.T(t, err, nil)
test.Bytes(t, buf, []byte("test_t"))
}
func TestConcatSepShort4(t *testing.T) {
r, err := newConcatFileReader([]string{"test", "test"}, testOpener, []byte("xx"))
test.T(t, err, nil)
// insufficient room after separator
buf := make([]byte, 5)
_, _ = r.Read(buf)
n, err := r.Read(buf[4:])
test.T(t, n, 1)
test.T(t, err, nil)
test.Bytes(t, buf, []byte("testx"))
n, err = r.Read(buf[5:])
test.T(t, n, 0)
test.T(t, err, nil)
buf2 := make([]byte, 5)
n, err = r.Read(buf2)
test.T(t, n, 5)
test.T(t, err, nil)
test.Bytes(t, buf2, []byte("xtest"))
}
func TestConcatSepEmpty(t *testing.T) {
r, err := newConcatFileReader([]string{"empty", "empty"}, testOpener, []byte("_"))
test.T(t, err, nil)
// insufficient room after separator
buf := make([]byte, 1)
n, err := r.Read(buf)
test.T(t, n, 1)
test.T(t, err, io.EOF)
test.Bytes(t, buf, []byte("_"))
}
|
