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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
|
package coding
import (
"errors"
"io"
"testing"
"github.com/dromara/dongle/internal/mock"
"github.com/stretchr/testify/assert"
)
func TestEncoder_FromString(t *testing.T) {
t.Run("from string", func(t *testing.T) {
encoder := NewEncoder().FromString("hello world")
assert.Equal(t, []byte("hello world"), encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from empty string", func(t *testing.T) {
encoder := NewEncoder().FromString("")
assert.Equal(t, []byte{}, encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from unicode string", func(t *testing.T) {
encoder := NewEncoder().FromString("你好世界")
assert.Equal(t, []byte("你好世界"), encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from large string", func(t *testing.T) {
largeString := "Hello, World! " + string(make([]byte, 1000))
encoder := NewEncoder().FromString(largeString)
assert.Equal(t, []byte(largeString), encoder.src)
assert.Equal(t, encoder, encoder)
})
}
func TestEncoder_FromBytes(t *testing.T) {
t.Run("from bytes", func(t *testing.T) {
data := []byte{0x00, 0x01, 0x02, 0x03}
encoder := NewEncoder().FromBytes(data)
assert.Equal(t, data, encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from empty bytes", func(t *testing.T) {
encoder := NewEncoder().FromBytes([]byte{})
assert.Equal(t, []byte{}, encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from nil bytes", func(t *testing.T) {
encoder := NewEncoder().FromBytes(nil)
assert.Nil(t, encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from large bytes", func(t *testing.T) {
largeData := make([]byte, 1000)
for i := range largeData {
largeData[i] = byte(i % 256)
}
encoder := NewEncoder().FromBytes(largeData)
assert.Equal(t, largeData, encoder.src)
assert.Equal(t, encoder, encoder)
})
t.Run("from binary data", func(t *testing.T) {
binaryData := []byte{0x00, 0x01, 0x02, 0x03, 0xFF, 0xFE, 0xFD, 0xFC}
encoder := NewEncoder().FromBytes(binaryData)
assert.Equal(t, binaryData, encoder.src)
assert.Equal(t, encoder, encoder)
})
}
func TestEncoder_FromFile(t *testing.T) {
t.Run("from file", func(t *testing.T) {
file := mock.NewFile([]byte("hello world"), "test.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
assert.Equal(t, file, encoder.reader)
assert.Equal(t, encoder, encoder)
})
t.Run("from empty file", func(t *testing.T) {
file := mock.NewFile([]byte{}, "empty.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
assert.Equal(t, file, encoder.reader)
assert.Equal(t, encoder, encoder)
})
t.Run("from error file", func(t *testing.T) {
errorFile := mock.NewErrorFile(errors.New("read error"))
encoder := NewEncoder().FromFile(errorFile)
assert.Equal(t, errorFile, encoder.reader)
assert.Equal(t, encoder, encoder)
})
t.Run("from large file", func(t *testing.T) {
largeData := make([]byte, 1000)
for i := range largeData {
largeData[i] = byte(i % 256)
}
file := mock.NewFile(largeData, "large.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
assert.Equal(t, file, encoder.reader)
assert.Equal(t, encoder, encoder)
})
}
func TestEncoder_ToString(t *testing.T) {
t.Run("to string with data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte("hello world")
result := encoder.ToString()
assert.Equal(t, "hello world", result)
})
t.Run("to string with empty data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte{}
result := encoder.ToString()
assert.Equal(t, "", result)
})
t.Run("to string with nil data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = nil
result := encoder.ToString()
assert.Equal(t, "", result)
})
t.Run("to string with unicode data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte("你好世界")
result := encoder.ToString()
assert.Equal(t, "你好世界", result)
})
t.Run("to string with binary data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte{0x00, 0x01, 0x02, 0x03}
result := encoder.ToString()
assert.Equal(t, string([]byte{0x00, 0x01, 0x02, 0x03}), result)
})
}
func TestEncoder_ToBytes(t *testing.T) {
t.Run("to bytes with data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte("hello world")
result := encoder.ToBytes()
assert.Equal(t, []byte("hello world"), result)
})
t.Run("to bytes with empty data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte{}
result := encoder.ToBytes()
assert.Equal(t, []byte(""), result)
})
t.Run("to bytes with nil data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = nil
result := encoder.ToBytes()
assert.Equal(t, []byte(""), result)
})
t.Run("to bytes with unicode data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte("你好世界")
result := encoder.ToBytes()
assert.Equal(t, []byte("你好世界"), result)
})
t.Run("to bytes with binary data", func(t *testing.T) {
encoder := NewEncoder()
encoder.dst = []byte{0x00, 0x01, 0x02, 0x03}
result := encoder.ToBytes()
assert.Equal(t, []byte{0x00, 0x01, 0x02, 0x03}, result)
})
t.Run("to bytes with large data", func(t *testing.T) {
largeData := make([]byte, 1000)
for i := range largeData {
largeData[i] = byte(i % 256)
}
encoder := NewEncoder()
encoder.dst = largeData
result := encoder.ToBytes()
assert.Equal(t, largeData, result)
})
}
func TestEncoder_stream(t *testing.T) {
t.Run("success with data", func(t *testing.T) {
data := []byte("hello stream")
file := mock.NewFile(data, "data.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
out, err := encoder.stream(func(w io.Writer) io.WriteCloser {
return mock.NewWriteCloser(w)
})
assert.NoError(t, err)
assert.Equal(t, data, out)
})
t.Run("empty reader returns empty", func(t *testing.T) {
file := mock.NewFile([]byte{}, "empty.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
out, err := encoder.stream(func(w io.Writer) io.WriteCloser {
return mock.NewWriteCloser(w)
})
assert.NoError(t, err)
assert.Equal(t, []byte{}, out)
})
t.Run("copy error returned", func(t *testing.T) {
copyErr := errors.New("copy error")
// As reader: Read returns error immediately
errRWC := mock.NewErrorReadWriteCloser(copyErr)
encoder := NewEncoder()
encoder.reader = errRWC
out, err := encoder.stream(func(w io.Writer) io.WriteCloser {
// writer also returns error, but io.CopyBuffer will fail at Read first
return errRWC
})
assert.Error(t, err)
assert.Contains(t, err.Error(), "copy error")
assert.Equal(t, []byte{}, out)
})
t.Run("close error after successful copy", func(t *testing.T) {
file := mock.NewFile([]byte("payload"), "p.txt")
defer file.Close()
encoder := NewEncoder().FromFile(file)
out, err := encoder.stream(func(w io.Writer) io.WriteCloser {
// Write succeeds, but Close returns error
return mock.NewCloseErrorWriteCloser(w, errors.New("close error"))
})
assert.Error(t, err)
assert.Contains(t, err.Error(), "close error")
assert.Equal(t, []byte{}, out)
})
}
func TestEncoder_Error(t *testing.T) {
t.Run("stream with pipe error", func(t *testing.T) {
errorWriter := mock.NewErrorReadWriteCloser(errors.New("copy error"))
encoder := NewEncoder()
encoder.reader = errorWriter
result, err := encoder.stream(func(w io.Writer) io.WriteCloser {
return errorWriter
})
assert.Error(t, err)
assert.Contains(t, err.Error(), "copy error")
assert.Equal(t, []byte{}, result)
})
t.Run("stream with close error", func(t *testing.T) {
closeErrorWriter := mock.NewErrorReadWriteCloser(errors.New("close error"))
encoder := NewEncoder()
encoder.reader = closeErrorWriter
result, err := encoder.stream(func(w io.Writer) io.WriteCloser {
return closeErrorWriter
})
assert.Error(t, err)
assert.Contains(t, err.Error(), "close error")
assert.Equal(t, []byte{}, result)
})
}
|
