forked from hamba/avro
-
Notifications
You must be signed in to change notification settings - Fork 1
Expand file tree
/
Copy pathdecoder_array_test.go
More file actions
304 lines (232 loc) · 7.93 KB
/
Copy pathdecoder_array_test.go
File metadata and controls
304 lines (232 loc) · 7.93 KB
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
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
package avro_test
import (
"bytes"
"math"
"testing"
"github.com/iskorotkov/avro/v2"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDecoder_ArrayInvalidType(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x04, 0x36, 0x38, 0x0}
schema := `{"type":"array", "items": "int"}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var str string
err = dec.Decode(&str)
assert.Error(t, err)
}
func TestDecoder_ArraySlice(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x04, 0x36, 0x38, 0x0}
schema := `{"type":"array", "items": "int"}`
dec, _ := avro.NewDecoder(schema, bytes.NewReader(data))
var got []int
err := dec.Decode(&got)
require.NoError(t, err)
assert.Equal(t, []int{27, 28}, got)
}
func TestDecoder_ArraySliceShortRead(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x04}
schema := `{"type":"array", "items": "int"}`
dec, _ := avro.NewDecoder(schema, bytes.NewReader(data))
var got []int
err := dec.Decode(&got)
assert.Error(t, err)
}
func TestDecoder_ArraySliceOfStruct(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x04, 0x36, 0x06, 0x66, 0x6f, 0x6f, 0x36, 0x06, 0x66, 0x6f, 0x6f, 0x0}
schema := `{"type":"array", "items": {"type": "record", "name": "test", "fields" : [{"name": "a", "type": "long"}, {"name": "b", "type": "string"}]}}`
dec, _ := avro.NewDecoder(schema, bytes.NewReader(data))
var got []TestRecord
err := dec.Decode(&got)
require.NoError(t, err)
assert.Equal(t, []TestRecord{{A: 27, B: "foo"}, {A: 27, B: "foo"}}, got)
}
func TestDecoder_ArrayRecursiveStruct(t *testing.T) {
defer ConfigTeardown()
type record struct {
A int `avro:"a"`
B []record `avro:"b"`
}
data := []byte{0x2, 0x3, 0x8, 0x4, 0x0, 0x6, 0x0, 0x0}
schema := `{
"type": "record",
"name": "test",
"fields": [
{
"name": "a",
"type": "int"
},
{
"name": "b",
"type": {
"type": "array",
"items": "test"
}
}
]
}`
dec, _ := avro.NewDecoder(schema, bytes.NewReader(data))
var got record
err := dec.Decode(&got)
assert.NoError(t, err)
assert.Equal(t, record{A: 1, B: []record{{A: 2, B: []record{}}, {A: 3, B: []record{}}}}, got)
}
func TestDecoder_ArraySliceError(t *testing.T) {
defer ConfigTeardown()
data := []byte{0xE2, 0xA2, 0xF3, 0xAD, 0xAD, 0xAD, 0xE2, 0xA2, 0xF3, 0xAD, 0xAD}
schema := `{"type":"array", "items": "int"}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []int
err = dec.Decode(&got)
assert.Error(t, err)
}
func TestDecoder_ArraySliceItemError(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x04, 0xE2, 0xA2, 0xF3, 0xAD, 0xAD, 0xAD, 0xE2, 0xA2, 0xF3, 0xAD, 0xAD}
schema := `{"type":"array", "items": "int"}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []int
err = dec.Decode(&got)
assert.Error(t, err)
}
func TestDecoder_ArrayMaxAllocationError(t *testing.T) {
defer ConfigTeardown()
data := []byte{0x2, 0x0, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0xe9, 0x0}
schema := `{"type":"array", "items": { "type": "boolean" }}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []bool
err = dec.Decode(&got)
assert.Error(t, err)
}
func TestDecoder_ArrayExceedMaxSliceAllocationConfig(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 5}.Freeze()
defer ConfigTeardown()
// 10 (long) gets encoded to 0x14
data := []byte{0x14}
schema := `{"type":"array", "items": { "type": "boolean" }}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []bool
err = dec.Decode(&got)
assert.Error(t, err)
}
func TestDecoder_ArrayMultiBlockExceedsMaxAlloc(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 5}.Freeze()
defer ConfigTeardown()
// Two blocks of 3 entries each. Each block alone is under the limit (3 <= 5),
// but the cumulative count (6) exceeds it — this is the chunking-attack path.
data := []byte{
0x06, // block 1: l = 3
0x00, 0x01, 0x00, // false, true, false
0x06, // block 2: l = 3 (cumulative = 6 > 5)
}
schema := `{"type":"array", "items": { "type": "boolean" }}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []bool
err = dec.Decode(&got)
assert.ErrorContains(t, err, "size is greater than `Config.MaxSliceAllocSize`")
}
func TestDecoder_ArraySliceExceedsMaxAlloc(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 5}.Freeze()
defer ConfigTeardown()
data := []byte{
0x06, // block 1: l = 3
0x00, 0x01, 0x00, // 3 int values
0x06, // block 2: l = 3 (cumulative = 6 > 5)
}
schema := `{"type":"array", "items": "int"}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []int
err = dec.Decode(&got)
assert.ErrorContains(t, err, "size is greater than `Config.MaxSliceAllocSize`")
}
func TestDecoder_ArraySliceExceedsMaxInt(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 5}.Freeze()
defer ConfigTeardown()
data := []byte{
0x06, // block 1: l = 3
0x00, 0x01, 0x00, // 3 int values
}
// block 2: l = max int - 2
data = append(data, avro.EncodeIntToBytes(math.MaxInt-2)...)
schema := `{"type":"array", "items": "int"}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []int
err = dec.Decode(&got)
assert.ErrorContains(t, err, "size is greater than `Config.MaxSliceAllocSize`")
}
func TestDecoder_ArrayMultiBlockExceedsMaxInt(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 13}.Freeze()
defer ConfigTeardown()
data := []byte{
0x06, // block 1: l = 3
0x00, 0x01, 0x00, // false, true, false
}
// block 2: l = max int - 2
data = append(data, avro.EncodeIntToBytes(math.MaxInt-2)...)
schema := `{"type":"array", "items": { "type": "boolean" }}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []bool
err = dec.Decode(&got)
assert.ErrorContains(t, err, "size is greater than `Config.MaxSliceAllocSize`")
}
func TestDecoder_ArrayMultiBlockUnderMaxAlloc(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 10}.Freeze()
defer ConfigTeardown()
data := []byte{
0x06, // block 1: l = 3
0x00, 0x01, 0x00, // false, true, false
0x06, // block 2: l = 3 (cumulative = 6 <= 10)
0x01, 0x00, 0x01, // true, false, true
0x00, // end
}
schema := `{"type":"array", "items": { "type": "boolean" }}`
dec, err := avro.NewDecoder(schema, bytes.NewReader(data))
require.NoError(t, err)
var got []bool
err = dec.Decode(&got)
require.NoError(t, err)
assert.Equal(t, []bool{false, true, false, true, false, true}, got)
}
func TestUnmarshal_HugeArrayLengthDoesNotPanic(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxSliceAllocSize: 1 << 22}.Freeze()
defer ConfigTeardown()
schema := avro.MustParse(`{"type":"array","items":"long"}`)
input := avro.EncodeIntToBytes(math.MaxInt - 2)
var out []int64
err := avro.Unmarshal(schema, input, &out)
require.Error(t, err)
assert.ErrorContains(t, err, "Config.MaxSliceAllocSize")
}
func TestUnmarshal_HugeBytesLengthDoesNotPanic(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxByteSliceSize: 1 << 20}.Freeze()
defer ConfigTeardown()
schema := avro.MustParse(`"bytes"`)
input := avro.EncodeIntToBytes(math.MaxInt - 2)
var out []byte
err := avro.Unmarshal(schema, input, &out)
require.Error(t, err)
assert.ErrorContains(t, err, "Config.MaxByteSliceSize")
}
func TestUnmarshal_HugeMapBlockDoesNotPanic(t *testing.T) {
avro.DefaultConfig = avro.Config{MaxMapAllocSize: 1 << 20}.Freeze()
defer ConfigTeardown()
schema := avro.MustParse(`{"type":"map","values":"string"}`)
input := avro.EncodeIntToBytes(math.MaxInt - 2)
var out map[string]string
err := avro.Unmarshal(schema, input, &out)
require.Error(t, err)
assert.ErrorContains(t, err, "Config.MaxMapAllocSize")
}