def test_assignment(self):
""" Check assignment works correctly """
primitive = A_ABORT()
primitive.abort_source = 0
self.assertEqual(primitive.abort_source, 0)
primitive.abort_source = 2
self.assertEqual(primitive.abort_source, 2)
def test_exceptions(self):
""" Check incorrect types/values for properties raise exceptions """
primitive = A_ABORT()
with pytest.raises(ValueError):
primitive.abort_source = 1
with pytest.raises(ValueError):
primitive.abort_source
def test_conversion(self):
""" Check conversion to a PDU produces the correct output """
primitive = A_ABORT()
primitive.abort_source = 0
pdu = A_ABORT_RQ()
pdu.from_primitive(primitive)
data = pdu.encode()
self.assertEqual(data, b"\x07\x00\x00\x00\x00\x04\x00\x00\x00\x00")
def abort_assoc(self, source=0x02, reason=0x00):
"""Abort the Association with the peer Application Entity.
ACSE issued A-ABORT request primitive to the DICOM UL service provider.
The source may be either the DUL service user or provider.
See PS3.8 7.3-4 and 9.3.8
Parameters
----------
source : int, optional
The source of the abort request (default: 0x02 DUL provider)
- 0x00 - the DUL service user
- 0x02 - the DUL service provider
reason : int, optional
The reason for aborting the association (default: 0x00 reason not
specified).
If source 0x00 (DUL user):
- 0x00 - reason field not significant
If source 0x02 (DUL provider):
- 0x00 - reason not specified
- 0x01 - unrecognised PDU
- 0x02 - unexpected PDU
- 0x04 - unrecognised PDU parameter
- 0x05 - unexpected PDU parameter
- 0x06 - invalid PDU parameter value
"""
primitive = A_ABORT()
if source in [0x00, 0x02]:
primitive.abort_source = source
if source == 0x00:
primitive.reason = 0x00
elif reason in [0x00, 0x01, 0x02, 0x04, 0x05, 0x06]:
primitive.reason = reason
else:
raise ValueError("acse.abort_assoc() invalid reason "
"'{0!s}'".format(reason))
else:
raise ValueError("acse.abort_assoc() invalid source "
"'{0!s}'".format(source))
self.dul.send_pdu(primitive)