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
|
import unittest
import zstandard as zstd
class TestModuleAttributes(unittest.TestCase):
def test_version(self):
self.assertEqual(zstd.ZSTD_VERSION, (1, 5, 6))
self.assertEqual(zstd.__version__, "0.23.0")
def test_features(self):
self.assertIsInstance(zstd.backend_features, set)
expected = {
"cext": {
"buffer_types",
"multi_compress_to_buffer",
"multi_decompress_to_buffer",
},
"cffi": set(),
"rust": {
"buffer_types",
"multi_compress_to_buffer",
"multi_decompress_to_buffer",
},
}[zstd.backend]
self.assertEqual(zstd.backend_features, expected)
def test_constants(self):
self.assertEqual(zstd.MAX_COMPRESSION_LEVEL, 22)
self.assertEqual(zstd.FRAME_HEADER, b"\x28\xb5\x2f\xfd")
def test_hasattr(self):
attrs = (
"CONTENTSIZE_UNKNOWN",
"CONTENTSIZE_ERROR",
"COMPRESSION_RECOMMENDED_INPUT_SIZE",
"COMPRESSION_RECOMMENDED_OUTPUT_SIZE",
"DECOMPRESSION_RECOMMENDED_INPUT_SIZE",
"DECOMPRESSION_RECOMMENDED_OUTPUT_SIZE",
"MAGIC_NUMBER",
"FLUSH_BLOCK",
"FLUSH_FRAME",
"BLOCKSIZELOG_MAX",
"BLOCKSIZE_MAX",
"WINDOWLOG_MIN",
"WINDOWLOG_MAX",
"CHAINLOG_MIN",
"CHAINLOG_MAX",
"HASHLOG_MIN",
"HASHLOG_MAX",
"MINMATCH_MIN",
"MINMATCH_MAX",
"SEARCHLOG_MIN",
"SEARCHLOG_MAX",
"SEARCHLENGTH_MIN",
"SEARCHLENGTH_MAX",
"TARGETLENGTH_MIN",
"TARGETLENGTH_MAX",
"LDM_MINMATCH_MIN",
"LDM_MINMATCH_MAX",
"LDM_BUCKETSIZELOG_MAX",
"STRATEGY_FAST",
"STRATEGY_DFAST",
"STRATEGY_GREEDY",
"STRATEGY_LAZY",
"STRATEGY_LAZY2",
"STRATEGY_BTLAZY2",
"STRATEGY_BTOPT",
"STRATEGY_BTULTRA",
"STRATEGY_BTULTRA2",
"DICT_TYPE_AUTO",
"DICT_TYPE_RAWCONTENT",
"DICT_TYPE_FULLDICT",
)
for a in attrs:
self.assertTrue(hasattr(zstd, a), a)
|
