def test_assignment(self):
""" Check assignment works correctly """
primitive = A_ABORT()
primitive.abort_source = 0
assert primitive.abort_source == 0
primitive.abort_source = 2
assert primitive.abort_source == 2
def send_abort(self, source):
"""Send an A-ABORT request to the peer.
Parameters
----------
source : int
The source of the abort request
- ``0x00`` - the DUL service user
- ``0x02`` - the DUL service provider
Raises
------
ValueError
If the `source` value is invalid.
"""
if source not in [0x00, 0x02]:
raise ValueError("Invalid 'source' parameter value")
# The following parameters must be set for an A-ABORT primitive
# (* sent in A-ABORT PDU):
# Abort Source*
# Provider Reason* (not significant with source 0x00)
primitive = A_ABORT()
primitive.abort_source = source
self.dul.send_pdu(primitive)
self.assoc.is_aborted = True
self.assoc.is_established = False
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()
assert data == b"\x07\x00\x00\x00\x00\x04\x00\x00\x00\x00"
def test_primitive_to_event(self):
"""Test that parameter returns expected results"""
dul = DULServiceProvider(DummyAssociation())
p2e = dul._primitive_to_event
primitive = A_ASSOCIATE()
primitive.result = None
assert p2e(primitive) == 'Evt1'
primitive.result = 0
assert p2e(primitive) == 'Evt7'
primitive.result = 1
assert p2e(primitive) == 'Evt8'
primitive = A_RELEASE()
primitive.result = None
assert p2e(primitive) == 'Evt11'
primitive.result = 'affirmative'
assert p2e(primitive) == 'Evt14'
primitive = A_ABORT()
assert p2e(primitive) == 'Evt15'
primitive = P_DATA()
assert p2e(primitive) == 'Evt9'
with pytest.raises(ValueError):
p2e('TEST')
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
References
----------
1. DICOM Standard 2015b, PS3.8, Table 9-7, "Associate Establishment
Related Actions"
Parameters
----------
dul : pynetdicom.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_recv_primitive(self):
"""Test processing received primitives"""
dul = DULServiceProvider(DummyAssociation())
primitive = A_ASSOCIATE()
primitive.result = None
dul.to_provider_queue.put(primitive)
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt1"
primitive.result = 0
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt7"
primitive.result = 1
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt8"
dul.to_provider_queue.get(False)
primitive = A_RELEASE()
primitive.result = None
dul.to_provider_queue.put(primitive)
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt11"
primitive.result = "affirmative"
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt14"
dul.to_provider_queue.get(False)
primitive = A_ABORT()
dul.to_provider_queue.put(primitive)
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt15"
dul.to_provider_queue.get(False)
primitive = P_DATA()
dul.to_provider_queue.put(primitive)
dul._process_recv_primitive()
assert dul.event_queue.get(False) == "Evt9"
dul.to_provider_queue.get(False)
msg = "Unknown primitive type 'str' received"
with pytest.raises(ValueError, match=msg):
dul.to_provider_queue.put("TEST")
dul._process_recv_primitive()