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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
package meilisearch
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"io"
"strings"
"sync"
"testing"
)
type mockData struct {
Name string
Age int
}
type errorWriter struct{}
func (e *errorWriter) Write(p []byte) (int, error) {
return 0, errors.New("write error")
}
type errorReader struct{}
func (e *errorReader) Read(p []byte) (int, error) {
return 0, errors.New("read error")
}
type mockEncoder struct{}
func (m *mockEncoder) Encode(r io.Reader) (io.ReadCloser, error) {
return nil, nil
}
func (m *mockEncoder) Decode(data []byte, v interface{}) error {
msg, ok := v.(*meilisearchApiError)
if !ok {
return fmt.Errorf("wrong type")
}
msg.Message = "mocked message"
msg.Code = "mocked code"
msg.Type = "mocked type"
msg.Link = "mocked link"
return nil
}
func Test_Encode_ErrorOnNewWriter(t *testing.T) {
g := &gzipEncoder{
gzWriterPool: &sync.Pool{
New: func() interface{} {
return &gzipWriter{
writer: nil,
err: errors.New("new writer error"),
}
},
},
bufferPool: &sync.Pool{
New: func() interface{} {
return new(bytes.Buffer)
},
},
}
d := &flateEncoder{
flWriterPool: &sync.Pool{
New: func() interface{} {
return &flateWriter{
writer: nil,
err: errors.New("new writer error"),
}
},
},
bufferPool: &sync.Pool{
New: func() interface{} {
return new(bytes.Buffer)
},
},
}
_, err := g.Encode(bytes.NewReader([]byte("test")))
require.Error(t, err)
_, err = d.Encode(bytes.NewReader([]byte("test")))
require.Error(t, err)
}
func Test_Encode_ErrorInCopyZeroAlloc(t *testing.T) {
g := newEncoding(GzipEncoding, DefaultCompression)
d := newEncoding(DeflateEncoding, DefaultCompression)
b := newEncoding(BrotliEncoding, DefaultCompression)
_, err := g.Encode(&errorReader{})
require.Error(t, err)
_, err = d.Encode(&errorReader{})
require.Error(t, err)
_, err = b.Encode(&errorReader{})
require.Error(t, err)
}
func Test_InvalidContentType(t *testing.T) {
enc := newEncoding("invalid", DefaultCompression)
require.Nil(t, enc)
}
func testEncoder(t *testing.T, enc encoder, original *mockData) {
originalJSON, err := json.Marshal(original)
assert.NoError(t, err)
readCloser := io.NopCloser(bytes.NewReader(originalJSON))
encodedReader, err := enc.Encode(readCloser)
assert.NoError(t, err)
defer func() {
_ = encodedReader.Close()
}()
encodedData, err := io.ReadAll(encodedReader)
assert.NoError(t, err)
assert.NotEmpty(t, encodedData)
var decoded mockData
err = enc.Decode(encodedData, &decoded)
assert.NoError(t, err)
assert.Equal(t, original, &decoded)
var invalidTarget int
err = enc.Decode(encodedData, &invalidTarget)
assert.Error(t, err)
}
func TestGzipEncoder(t *testing.T) {
testEncoder(t, newEncoding(GzipEncoding, DefaultCompression), &mockData{Name: "John Doe", Age: 30})
}
func TestDeflateEncoder(t *testing.T) {
testEncoder(t, newEncoding(DeflateEncoding, DefaultCompression), &mockData{Name: "Jane Doe", Age: 25})
}
func TestBrotliEncoder(t *testing.T) {
testEncoder(t, newEncoding(BrotliEncoding, DefaultCompression), &mockData{Name: "Jane Doe", Age: 25})
}
func TestEncoder_EmptyData(t *testing.T) {
testEncoder(t, newEncoding(GzipEncoding, DefaultCompression), &mockData{})
testEncoder(t, newEncoding(DeflateEncoding, DefaultCompression), &mockData{})
testEncoder(t, newEncoding(BrotliEncoding, DefaultCompression), &mockData{})
}
func TestEncoder_InvalidDecode(t *testing.T) {
encoders := []encoder{
newEncoding(GzipEncoding, DefaultCompression),
newEncoding(DeflateEncoding, DefaultCompression),
newEncoding(BrotliEncoding, DefaultCompression),
}
for _, enc := range encoders {
var decoded mockData
err := enc.Decode([]byte("invalid data"), &decoded)
assert.Error(t, err)
}
}
func TestCopyZeroAlloc(t *testing.T) {
t.Run("RegularCopy", func(t *testing.T) {
src := strings.NewReader("hello world")
dst := &bytes.Buffer{}
n, err := copyZeroAlloc(dst, src)
assert.NoError(t, err)
assert.Equal(t, int64(11), n)
assert.Equal(t, "hello world", dst.String())
})
t.Run("EmptySource", func(t *testing.T) {
src := strings.NewReader("")
dst := &bytes.Buffer{}
n, err := copyZeroAlloc(dst, src)
assert.NoError(t, err)
assert.Equal(t, int64(0), n)
assert.Equal(t, "", dst.String())
})
t.Run("LargeDataCopy", func(t *testing.T) {
data := strings.Repeat("a", 10000)
src := strings.NewReader(data)
dst := &bytes.Buffer{}
n, err := copyZeroAlloc(dst, src)
assert.NoError(t, err)
assert.Equal(t, int64(len(data)), n)
assert.Equal(t, data, dst.String())
})
t.Run("ErrorOnWrite", func(t *testing.T) {
src := strings.NewReader("hello world")
dst := &errorWriter{}
n, err := copyZeroAlloc(dst, src)
assert.Error(t, err)
assert.Equal(t, int64(0), n)
assert.Equal(t, "write error", err.Error())
})
t.Run("ErrorOnRead", func(t *testing.T) {
src := &errorReader{}
dst := &bytes.Buffer{}
n, err := copyZeroAlloc(dst, src)
assert.Error(t, err)
assert.Equal(t, int64(0), n)
assert.Equal(t, "read error", err.Error())
})
t.Run("ConcurrentAccess", func(t *testing.T) {
var wg sync.WaitGroup
data := "concurrent data"
var mu sync.Mutex
dst := &bytes.Buffer{}
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
src := strings.NewReader(data)
buf := &bytes.Buffer{}
_, _ = copyZeroAlloc(buf, src)
mu.Lock()
defer mu.Unlock()
dst.Write(buf.Bytes())
}()
}
wg.Wait()
mu.Lock()
assert.Equal(t, strings.Repeat(data, 10), dst.String())
mu.Unlock()
})
}
|
