Lucian PetrutandCursor
4ddf0c015d
VDDK is no longer publicly distributed, so this library reverse-engineers the vSphere NFC path and exposes ConnectEx, Open, Read, and Write without the proprietary SDK. Co-authored-by: Cursor <[email protected]>
55 lines
2.2 KiB
Python
55 lines
2.2 KiB
Python
# Copyright 2026 Cloudbase Solutions Srl
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# All Rights Reserved.
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"""Exercise NFC sector writes and reads against the lab vCenter."""
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from openvixdisklib import nfc_open
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from tests.integration.base import TestBase
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class NfcReadWriteTest(TestBase):
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def test_sector_writes_and_reads(self) -> None:
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"""Write known patterns and read them back at several ranges."""
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ranges = [
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(0, 1),
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(0, 2),
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(1, 1),
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(8, 8),
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(0, 128),
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(0, 129),
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(256, 64),
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]
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with self.authenticate(read_only=False) as session:
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with nfc_open.open_disk(
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session, self.DISK_PATH, read_only=False) as disk:
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for start, n_sectors in ranges:
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length = n_sectors * self.SECTOR_SIZE
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seed = f"NFC-R{start}:{n_sectors}-".encode()
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to_write = self.pattern_bytes(length, seed)
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disk.write(start, n_sectors, to_write)
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got = disk.read(start, n_sectors)
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self.assertIsNot(got, to_write)
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self.assertEqual(len(got), length)
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self.assertEqual(got, to_write)
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two_seed = b"NFC-TWO-SECTOR"
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two_to_write = self.pattern_bytes(
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2 * self.SECTOR_SIZE, two_seed)
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disk.write(0, 2, two_to_write)
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two_got = disk.read(0, 2)
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self.assertIsNot(two_got, two_to_write)
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self.assertEqual(two_got, two_to_write)
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self.assertEqual(
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disk.read(1, 1), two_to_write[self.SECTOR_SIZE:])
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big_seed = b"NFC-129-SECTOR-WRITE"
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big_to_write = self.pattern_bytes(
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129 * self.SECTOR_SIZE, big_seed)
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disk.write(0, 129, big_to_write)
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big_got = disk.read(0, 129)
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self.assertIsNot(big_got, big_to_write)
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self.assertEqual(big_got, big_to_write)
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self.assertEqual(
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big_got[self.SECTOR_SIZE:2 * self.SECTOR_SIZE],
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big_to_write[self.SECTOR_SIZE:2 * self.SECTOR_SIZE])
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