def test__extract_all_hctls_from_proc_scsi_file(self, _populate_disks_entries_mock):
with patch("dmtcore.os.disk.linux.open", create=True) as open_mock:
open_mock.return_value = MagicMock(spec=file)
file_handle = open_mock.return_value.__enter__.return_value
file_handle.readlines.return_value = FAKE_CONTENT_OF_PROC_SCSI.splitlines()
dq = LinuxDiskDeviceQueries()
expected_results = [
HctlInfo(0, 0, 0, 0),
HctlInfo(1, 0, 2, 0),
HctlInfo(1, 0, 2, 1),
HctlInfo(1, 0, 3, 0),
HctlInfo(1, 0, 3, 1),
HctlInfo(0, 0, 0, 0),
]
actual_results = dq._extract_all_hctls_from_proc_scsi_file()
self.assertEqual(len(expected_results), len(actual_results))
for expected_result, actual_result in map(None, expected_results, actual_results):
self.assertEqual(expected_result, actual_result)
