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Test with pre-calculated CRC

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This commit is contained in:
Danny Lin 2025-06-01 15:54:37 +08:00
parent c470c33389
commit b1dcb07f33
1 changed files with 14 additions and 18 deletions
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32
Lib/test/test_zipfile/test_core.py
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@ -2451,16 +2451,14 @@ def test_iter_scan_signature(self):
[0, 5, 10, 15],
)
@requires_zlib()
def test_scan_data_descriptor(self):
import zlib
repacker = zipfile._ZipRepacker()
# basic
bytes_ = b'dummyPK\x07\x08\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x05\x00\x00\x00'
self.assertEqual(
repacker._scan_data_descriptor(io.BytesIO(bytes_), 0, len(bytes_), False),
(zlib.crc32(b'dummy'), 5, 5, 16),
(0x4ff4f23f, 5, 5, 16),
)
# return None if no signature
@ -2488,7 +2486,7 @@ def test_scan_data_descriptor(self):
bytes_ = b'dummyPK\x07\x08\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00'
self.assertEqual(
repacker._scan_data_descriptor(io.BytesIO(bytes_), 0, len(bytes_), True),
(zlib.crc32(b'dummy'), 5, 5, 24),
(0x4ff4f23f, 5, 5, 24),
)
# offset
@ -2505,7 +2503,7 @@ def test_scan_data_descriptor(self):
)
self.assertEqual(
repacker._scan_data_descriptor(io.BytesIO(bytes_), 3, len(bytes_), False),
(zlib.crc32(b'dummy'), 5, 5, 16),
(0x4ff4f23f, 5, 5, 16),
)
# end_offset
@ -2518,19 +2516,17 @@ def test_scan_data_descriptor(self):
bytes_ = b'dummyPK\x07\x08\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x05\x00\x00\x00123'
self.assertEqual(
repacker._scan_data_descriptor(io.BytesIO(bytes_), 0, len(bytes_) - 3, False),
(zlib.crc32(b'dummy'), 5, 5, 16),
(0x4ff4f23f, 5, 5, 16),
)
@requires_zlib()
def test_scan_data_descriptor_no_sig(self):
import zlib
repacker = zipfile._ZipRepacker()
# basic
bytes_ = b'dummy\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x05\x00\x00\x00'
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 0, len(bytes_), False),
(zlib.crc32(b'dummy'), 5, 5, 12),
(0x4ff4f23f, 5, 5, 12),
)
# return None if compressed size not match
@ -2544,7 +2540,7 @@ def test_scan_data_descriptor_no_sig(self):
bytes_ = b'dummy\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00'
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 0, len(bytes_), True),
(zlib.crc32(b'dummy'), 5, 5, 20),
(0x4ff4f23f, 5, 5, 20),
)
# offset
@ -2561,7 +2557,7 @@ def test_scan_data_descriptor_no_sig(self):
)
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 3, len(bytes_), False),
(zlib.crc32(b'dummy'), 5, 5, 12),
(0x4ff4f23f, 5, 5, 12),
)
# end_offset
@ -2574,18 +2570,18 @@ def test_scan_data_descriptor_no_sig(self):
bytes_ = b'dummy\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x05\x00\x00\x00123'
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 0, len(bytes_) - 3, False),
(zlib.crc32(b'dummy'), 5, 5, 12),
(0x4ff4f23f, 5, 5, 12),
)
# chunk_size
bytes_ = b'dummy\x3f\xf2\xf4\x4f\x05\x00\x00\x00\x05\x00\x00\x00'
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 0, len(bytes_), False, 12),
(zlib.crc32(b'dummy'), 5, 5, 12),
(0x4ff4f23f, 5, 5, 12),
)
self.assertEqual(
repacker._scan_data_descriptor_no_sig(io.BytesIO(bytes_), 0, len(bytes_), False, 1),
(zlib.crc32(b'dummy'), 5, 5, 12),
(0x4ff4f23f, 5, 5, 12),
)
@requires_zlib()
@ -2611,7 +2607,7 @@ def test_scan_data_descriptor_no_sig_by_decompression(self):
self.assertEqual(
repacker._scan_data_descriptor_no_sig_by_decompression(
io.BytesIO(bytes_), 0, len(bytes_), False, method),
(zlib.crc32(b'dummy'), comp_len, 5, 12),
(0x4ff4f23f, comp_len, 5, 12),
)
# return None if insufficient data length
@ -2642,7 +2638,7 @@ def test_scan_data_descriptor_no_sig_by_decompression(self):
self.assertEqual(
repacker._scan_data_descriptor_no_sig_by_decompression(
io.BytesIO(bytes_), 0, len(bytes_), True, method),
(zlib.crc32(b'dummy'), comp_len, 5, 20),
(0x4ff4f23f, comp_len, 5, 20),
)
# offset
@ -2657,7 +2653,7 @@ def test_scan_data_descriptor_no_sig_by_decompression(self):
self.assertEqual(
repacker._scan_data_descriptor_no_sig_by_decompression(
io.BytesIO(bytes_), 3, len(bytes_), False, method),
(zlib.crc32(b'dummy'), comp_len, 5, 12),
(0x4ff4f23f, comp_len, 5, 12),
)
# end_offset
@ -2672,7 +2668,7 @@ def test_scan_data_descriptor_no_sig_by_decompression(self):
self.assertEqual(
repacker._scan_data_descriptor_no_sig_by_decompression(
io.BytesIO(bytes_), 0, len(bytes_) - 2, False, method),
(zlib.crc32(b'dummy'), comp_len, 5, 12),
(0x4ff4f23f, comp_len, 5, 12),
)
def test_scan_data_descriptor_no_sig_by_decompression_invalid(self):