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
|
import sys
py3k = False
if sys.hexversion > 0x02070000:
unicode = str
py3k = True
def test_snappy_cffi_enum():
from snappy.snappy_cffi import lib
assert 0 == lib.SNAPPY_OK
assert 1 == lib.SNAPPY_INVALID_INPUT
assert 2 == lib.SNAPPY_BUFFER_TOO_SMALL
def test_snappy_all_cffi():
from snappy.snappy_cffi import ffi, lib
import os
data = 'string to be compressed'
_input_data = ffi.new('char[]', data.encode('utf-8'))
_input_size = ffi.cast('size_t', len(_input_data))
max_compressed = lib.snappy_max_compressed_length(_input_size)
_out_data = ffi.new('char[]', max_compressed)
_out_size = ffi.new('size_t*', max_compressed)
rc = lib.snappy_compress(_input_data, _input_size, _out_data, _out_size)
assert lib.SNAPPY_OK == rc
rc = lib.snappy_validate_compressed_buffer(_out_data, _out_size[0])
assert lib.SNAPPY_OK == rc
result = ffi.new('size_t*', 0)
rc = lib.snappy_uncompressed_length(_out_data,
_out_size[0],
result)
assert lib.SNAPPY_OK == rc
_uncompressed_data = ffi.new('char[]', result[0])
rc = lib.snappy_uncompress(_out_data, _out_size[0], _uncompressed_data, result)
assert lib.SNAPPY_OK == rc
result = ffi.string(_uncompressed_data, result[0])
if py3k:
result = result.decode('utf-8')
assert data == result
|
