def test_callback_receive_c_find(self):
"""Check callback for receiving DIMSE C-FIND messages."""
# C-FIND-RQ
primitive = C_FIND()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.Identifier = BytesIO()
# No dataset
msg = C_FIND_RQ()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_find_rq(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
msg = C_FIND_RQ()
msg.primitive_to_message(primitive)
# Dataset
self.dimse.debug_receive_c_find_rq(msg)
# C-FIND-RSP
primitive = C_FIND()
primitive.MessageIDBeingRespondedTo = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.Identifier = BytesIO()
# No dataset
primitive.Status = 0x0000 # Must be for pending
msg = C_FIND_RSP()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_find_rsp(msg)
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
msg = C_FIND_RSP()
msg.primitive_to_message(primitive)
# Dataset
msg.data_set = BytesIO(encode(ref_ds, True, True))
self.dimse.debug_receive_c_find_rsp(msg)
# Non-pending status
msg.data_set.Status = 0x0001
self.dimse.debug_receive_c_find_rsp(msg)
# C-CANCEL-FIND-RQ
self.dimse.debug_receive_c_cancel_rq(msg)
def test_callback_send_c_find(self):
"""Check callback for sending DIMSE C-FIND messages."""
# C-FIND-RQ
primitive = C_FIND()
primitive.MessageID = 1
primitive.AffectedSOPClassUID = '1.1.1'
primitive.Priority = 0x02
primitive.Identifier = BytesIO()
# No dataset
self.dimse.send_msg(primitive, 1)
# Dataset
bytestream = BytesIO()
bytestream.write(c_store_ds)
primitive.Identifier = bytestream
self.dimse.send_msg(primitive, 1)
# C-FIND-RSP
primitive = C_FIND()
primitive.MessageIDBeingRespondedTo = 1
primitive.Status = 0x0000
primitive.AffectedSOPClassUID = '1.1.1'
# No dataset
self.dimse.send_msg(primitive, 1)
# Dataset
bytestream = BytesIO()
bytestream.write(c_store_ds)
primitive.Identifier = bytestream
primitive.Status = 0xFF00 # Only has dataset when 0xFF00 or 0xFF01
self.dimse.send_msg(primitive, 1)
def test_uid_exceptions_false(self):
"""Test ValueError raised with ENFORCE_UID_CONFORMANCE = False."""
primitive = C_FIND()
_config.ENFORCE_UID_CONFORMANCE = False
primitive.AffectedSOPClassUID = 'abc'
assert primitive.AffectedSOPClassUID == 'abc'
# Can't have more than 64 characters
with pytest.raises(ValueError):
primitive.AffectedSOPClassUID = 'abc' * 22
def test_bad_req_identifier(self):
"""Test SCP handles a bad request identifier"""
def handle(event):
yield 0xFF00, self.query
handlers = [(evt.EVT_C_FIND, handle)]
self.ae = ae = AE()
ae.add_supported_context(GeneralRelevantPatientInformationQuery)
ae.add_requested_context(GeneralRelevantPatientInformationQuery,
ExplicitVRLittleEndian)
scp = ae.start_server(('', 11112), block=False, evt_handlers=handlers)
ae.acse_timeout = 5
ae.dimse_timeout = 5
assoc = ae.associate('localhost', 11112)
assert assoc.is_established
req = C_FIND()
req.MessageID = 1
req.AffectedSOPClassUID = GeneralRelevantPatientInformationQuery
req.Priority = 2
req.Identifier = BytesIO(
b'\x08\x00\x01\x00\x40\x40\x00\x00\x00\x00\x00\x08\x00\x49')
assoc._reactor_checkpoint.clear()
assoc.dimse.send_msg(req, 1)
cx_id, rsp = assoc.dimse.get_msg(True)
assoc._reactor_checkpoint.set()
assert rsp.Status == 0xC310
assoc.release()
scp.shutdown()
def test_uid_exceptions_true(self):
"""Test ValueError raised with ENFORCE_UID_CONFORMANCE = True."""
primitive = C_FIND()
_config.ENFORCE_UID_CONFORMANCE = True
with pytest.raises(ValueError):
primitive.AffectedSOPClassUID = 'abc'
def test_conversion_rsp(self):
"""Check conversion to a -RSP PDU produces the correct output"""
primitive = C_FIND()
primitive.MessageIDBeingRespondedTo = 5
primitive.AffectedSOPClassUID = "1.2.840.10008.5.1.4.1.1.2"
primitive.Status = 0xFF00
ref_identifier = Dataset()
ref_identifier.QueryRetrieveLevel = "PATIENT"
ref_identifier.RetrieveAETitle = "FINDSCP"
ref_identifier.PatientName = "ANON^A^B^C^D"
primitive.Identifier = BytesIO(encode(ref_identifier, True, True))
dimse_msg = C_FIND_RSP()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_find_rsp_cmd
# print(len(ds_pdv), len(c_find_rsp_ds))
# print(' '.join([f"{b:02X}" for b in ds_pdv]))
# print(' '.join([f"{b:02X}" for b in c_find_rsp_ds]))
assert ds_pdv == c_find_rsp_ds
def test_bad_req_identifier(self):
"""Test SCP handles a bad request identifier"""
self.scp = DummyFindSCP()
self.scp.statuses = [0xFF00]
self.scp.identifiers = [self.query]
self.scp.start()
ae = AE()
ae.add_requested_context(
ProductCharacteristicsQueryInformationModelFind,
ExplicitVRLittleEndian)
ae.acse_timeout = 5
ae.dimse_timeout = 5
assoc = ae.associate('localhost', 11112)
assert assoc.is_established
req = C_FIND()
req.MessageID = 1
req.AffectedSOPClassUID = ProductCharacteristicsQueryInformationModelFind
req.Priority = 2
req.Identifier = BytesIO(
b'\x08\x00\x01\x00\x04\x00\x00\x00\x00\x08\x00\x49')
assoc.dimse.send_msg(req, 1)
rsp, _ = assoc.dimse.receive_msg(True)
assert rsp.Status == 0xC310
assoc.release()
self.scp.stop()
def test_is_valid_request(self):
"""Test C_FIND.is_valid_request"""
primitive = C_FIND()
assert not primitive.is_valid_request
primitive.MessageID = 1
assert not primitive.is_valid_request
primitive.AffectedSOPClassUID = '1.2'
assert not primitive.is_valid_request
primitive.Priority = 2
assert not primitive.is_valid_request
primitive.Identifier = BytesIO()
assert primitive.is_valid_request
def test_assignment(self):
""" Check assignment works correctly """
primitive = C_FIND()
primitive.MessageID = 11
assert primitive.MessageID == 11
primitive.MessageIDBeingRespondedTo = 13
assert primitive.MessageIDBeingRespondedTo == 13
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.Priority = 0x02
assert primitive.Priority == 0x02
ref_ds = Dataset()
ref_ds.PatientID = '*'
ref_ds.QueryRetrieveLevel = "PATIENT"
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
#assert primitive.DataSet, ref_ds)
primitive.Status = 0x0000
assert primitive.Status == 0x0000
primitive.Status = 0xC123
assert primitive.Status == 0xC123
primitive.Status = 0xEE01
assert primitive.Status == 0xEE01
def test_bad_req_identifier(self):
"""Test SCP handles a bad request identifier"""
def handle(event):
try:
ds = event.identifier
for elem in ds.iterall():
pass
except NotImplementedError:
yield 0xC310, None
return
yield 0x0000, None
handlers = [(evt.EVT_C_FIND, handle)]
self.ae = ae = AE()
ae.add_supported_context(
ProductCharacteristicsQueryInformationModelFind)
ae.add_requested_context(
ProductCharacteristicsQueryInformationModelFind,
ExplicitVRLittleEndian)
scp = ae.start_server(('', 11112), block=False, evt_handlers=handlers)
assoc = ae.associate('localhost', 11112)
assert assoc.is_established
req = C_FIND()
req.MessageID = 1
req.AffectedSOPClassUID = ProductCharacteristicsQueryInformationModelFind
req.Priority = 2
req.Identifier = BytesIO(
b'\x08\x00\x01\x00\x40\x40\x00\x00\x00\x00\x00\x08\x00\x49')
assoc._reactor_checkpoint.clear()
assoc.dimse.send_msg(req, 1)
cx_id, rsp = assoc.dimse.get_msg(True)
assoc._reactor_checkpoint.set()
assert rsp.Status == 0xC310
assoc.release()
assert assoc.is_released
scp.shutdown()
def test_conversion_rq(self):
""" Check conversion to a -RQ PDU produces the correct output """
primitive = C_FIND()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.Priority = 0x02
ref_identifier = Dataset()
ref_identifier.PatientID = '*'
ref_identifier.QueryRetrieveLevel = "PATIENT"
primitive.Identifier = BytesIO(encode(ref_identifier, True, True))
dimse_msg = C_FIND_RQ()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_find_rq_cmd
assert ds_pdv == c_find_rq_ds
def test_exceptions(self):
""" Check incorrect types/values for properties raise exceptions """
primitive = C_FIND()
# MessageID
with pytest.raises(TypeError):
primitive.MessageID = 'halp'
with pytest.raises(TypeError):
primitive.MessageID = 1.111
with pytest.raises(ValueError):
primitive.MessageID = 65536
with pytest.raises(ValueError):
primitive.MessageID = -1
# MessageIDBeingRespondedTo
with pytest.raises(TypeError):
primitive.MessageIDBeingRespondedTo = 'halp'
with pytest.raises(TypeError):
primitive.MessageIDBeingRespondedTo = 1.111
with pytest.raises(ValueError):
primitive.MessageIDBeingRespondedTo = 65536
with pytest.raises(ValueError):
primitive.MessageIDBeingRespondedTo = -1
# AffectedSOPClassUID
with pytest.raises(TypeError):
primitive.AffectedSOPClassUID = 45.2
with pytest.raises(TypeError):
primitive.AffectedSOPClassUID = 100
# Priority
with pytest.raises(ValueError):
primitive.Priority = 45.2
with pytest.raises(ValueError):
primitive.Priority = 'abc'
with pytest.raises(ValueError):
primitive.Priority = -1
with pytest.raises(ValueError):
primitive.Priority = 3
# Identifier
msg = r"'Identifier' parameter must be a BytesIO object"
with pytest.raises(TypeError, match=msg):
primitive.Identifier = 'halp'
with pytest.raises(TypeError):
primitive.Identifier = 1.111
with pytest.raises(TypeError):
primitive.Identifier = 50
with pytest.raises(TypeError):
primitive.Identifier = [30, 10]
# Status
with pytest.raises(TypeError):
primitive.Status = 19.4