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)
def AA_4(dul):
"""Association abort AA-4.
If connection closed, issue A-P-ABORT and return to Idle
State-event triggers: Sta3/Sta4/Sta5/Sta6/Sta7/Sta8/Sta9/Sta10/Sta11/Sta12
+ Evt17
.. [1] DICOM Standard 2015b, PS3.8, Table 9-9, "Associate Abort Related
Actions"
Parameters
----------
dul : pynetdicom3.dul.DULServiceProvider
The DICOM Upper Layer Service instance for the local AE
Returns
-------
str
Sta1, the next state of the state machine
"""
# Issue A-P-ABORT indication primitive.
dul.primitive = A_ABORT()
dul.to_user_queue.put(dul.primitive)
return 'Sta1'
def test__primitive_to_event(self):
"""Test that parameter returns expected results"""
dul = DummyDUL()
p2e = dul._primitive_to_event
primitive = A_ASSOCIATE()
primitive.result = None
self.assertEqual(p2e(primitive), 'Evt1')
primitive.result = 0
self.assertEqual(p2e(primitive), 'Evt7')
primitive.result = 1
self.assertEqual(p2e(primitive), 'Evt8')
primitive = A_RELEASE()
primitive.result = None
self.assertEqual(p2e(primitive), 'Evt11')
primitive.result = 'affirmative'
self.assertEqual(p2e(primitive), 'Evt14')
primitive = A_ABORT()
self.assertEqual(p2e(primitive), 'Evt15')
primitive = P_DATA()
self.assertEqual(p2e(primitive), 'Evt9')
with self.assertRaises(ValueError):
p2e('TEST')