def test_conversion_rq(self):
""" Check conversion to a -RQ PDU produces the correct output """
primitive = C_STORE()
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
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.DataSet = BytesIO(encode(ref_ds, True, True))
dimse_msg = C_STORE_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_store_rq_cmd_b
assert ds_pdv == c_store_rq_ds_b
def test_message_to_primitive_c_store(self):
"""Test converting C_STORE_RQ and _RSP to C_STORE primitive."""
msg = C_STORE_RQ()
for data in [c_store_rq_cmd, c_store_ds]:
p_data = P_DATA()
p_data.presentation_data_value_list.append([0, data])
msg.decode_msg(p_data)
primitive = msg.message_to_primitive()
assert isinstance(primitive, C_STORE)
assert isinstance(primitive.DataSet, BytesIO)
assert primitive.AffectedSOPClassUID == UID("1.1.1")
assert primitive.AffectedSOPInstanceUID == UID("1.2.1")
assert primitive.Priority == 2
assert primitive.MoveOriginatorApplicationEntityTitle == "UNITTEST"
assert primitive.MoveOriginatorMessageID == 3
ds = decode(primitive.DataSet, True, True)
assert ds.PatientName == "Tube^HeNe"
assert ds.PatientID == "Test1101"
msg = C_STORE_RSP()
p_data = P_DATA()
p_data.presentation_data_value_list.append([0, c_store_rsp_cmd])
msg.decode_msg(p_data)
primitive = msg.message_to_primitive()
assert isinstance(primitive, C_STORE)
assert primitive.DataSet is None
for elem in msg.command_set:
if hasattr(primitive, elem.keyword):
item = getattr(primitive, elem.keyword)
assert item == elem.value
def setup(self):
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO(encode(DATASET, True, True))
self.msg = C_STORE_RQ()
self.msg.primitive_to_message(primitive)
def setup(self):
"""Run prior to each test"""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO(encode(DATASET, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
self.fragments = msg.encode_msg(1, 16382)
class TestEncodeMessage:
def setup(self):
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO(encode(DATASET, True, True))
self.msg = C_STORE_RQ()
self.msg.primitive_to_message(primitive)
def time_encode(self):
"""Benchmark for standard encode."""
for ii in range(100):
for fragment in self.msg.encode_msg(1, 16382):
pass
def test_fragment_pdv_zero(self):
"""Test that the PDV fragmenter works correctly for 0 max PDU."""
dimse_msg = C_STORE_RQ()
frag = dimse_msg._generate_pdv_fragments
result = []
for fragment in frag(c_echo_rsp_cmd, 0):
result.append(fragment)
assert len(result) == 1
assert result[0] == c_echo_rsp_cmd
def test_encode_zero(self):
"""Test encoding with a 0 max pdu length."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = "1.1.1"
primitive.AffectedSOPInstanceUID = "1.2.1"
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = "UNITTEST"
primitive.MoveOriginatorMessageID = 3
# Test encode without dataset
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(12, 0):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b"\x03"
assert dimse_msg.context_id == 12
# Test encode with dataset
ds = Dataset()
ds.PatientID = "Test1101"
ds.PatientName = "Tube^HeNe"
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(13, 0):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b"\x03"
assert p_data_list[0].presentation_data_value_list[0][
1] == c_store_rq_cmd
assert p_data_list[1].presentation_data_value_list[0][1][
0:1] == b"\x02"
assert p_data_list[1].presentation_data_value_list[0][1] == c_store_ds
assert dimse_msg.context_id == 13
def test_msg_init(self):
"""Test the DIMSE Message dynamic construction works OK."""
msg = C_STORE_RQ()
cs = msg.command_set
ds = msg.data_set
assert cs.CommandGroupLength is None
assert cs.AffectedSOPClassUID in ["", None] # pydicom upstream change
assert cs.CommandField is None
assert cs.MessageID is None
assert cs.Priority is None
assert cs.CommandDataSetType is None
assert cs.AffectedSOPInstanceUID in ["", None]
assert cs.MoveOriginatorApplicationEntityTitle is None
assert cs.MoveOriginatorMessageID is None
assert ds.getvalue() == b""
def test_fragment_pdv(self):
"""Test that the PDV fragmenter is working correctly."""
dimse_msg = C_STORE_RQ()
frag = dimse_msg._generate_pdv_fragments
result = []
for fragment in frag(c_echo_rsp_cmd, 1000):
result.append(fragment)
assert len(result) == 1
assert result[0] == c_echo_rsp_cmd
assert isinstance(result[0], bytes)
assert result[-1] != b""
result = []
for fragment in frag(c_echo_rsp_cmd, 10):
result.append(fragment)
assert len(result) == 20
assert result[0] == c_echo_rsp_cmd[:4]
assert isinstance(result[0], bytes)
assert result[-1] != b""
with pytest.raises(ValueError):
next(frag(c_echo_rsp_cmd, 6))
def test_primitive_to_message(self):
"""Test converting a DIMSE primitive to a DIMSE message."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = "1.1.1"
primitive.AffectedSOPInstanceUID = "1.2.1"
primitive.Priority = 0x02
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
# Test unused command set elements are deleted
assert not "MoveOriginatorApplicationEntityTitle" in msg.command_set
# Test raise error for unknown DIMSE message type
msg.__class__.__name__ = "TestClass"
with pytest.raises(ValueError):
msg.primitive_to_message(primitive)
# Reset name to avoid errors in other tests
msg.__class__.__name__ = "C_STORE_RQ"
def test_cstore_rq(self):
"""Test creation of a DIMSE Message from a primitive works OK."""
# Testing that primitive_to_message doesn't affect the original class
# definition
req = C_STORE()
req.MessageID = 12
req.AffectedSOPClassUID = self.ds.SOPClassUID
req.AffectedSOPInstanceUID = self.ds.SOPInstanceUID
req.Priority = 0x02
req.MoveOriginatorApplicationEntityTitle = None
req.MoveOriginatorMessageID = None
req.DataSet = BytesIO(encode(self.ds, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(req)
cs = msg.command_set
assert cs.CommandGroupLength == 88
assert cs.AffectedSOPClassUID == "1.2.840.10008.5.1.4.1.1"
assert cs.CommandField == 1
assert cs.MessageID == 12
assert cs.Priority == 2
assert cs.CommandDataSetType == 1
assert cs.AffectedSOPInstanceUID == "1.2.3.4"
assert "MoveOriginatorApplicationEntityTitle" not in cs
assert "MoveOriginatorMessageID" not in cs
assert msg.data_set.getvalue() != b""
# Test new class instance is OK
msg = C_STORE_RQ()
cs = msg.command_set
ds = msg.data_set
assert cs.CommandGroupLength is None
assert cs.AffectedSOPClassUID in ["", None] # pydicom upstream change
assert cs.CommandField is None
assert cs.MessageID is None
assert cs.Priority is None
assert cs.CommandDataSetType is None
assert cs.AffectedSOPInstanceUID in ["", None]
assert cs.MoveOriginatorApplicationEntityTitle is None
assert cs.MoveOriginatorMessageID is None
assert ds.getvalue() == b""
def test_callback_receive_c_store(self):
"""Check callback for sending DIMSE C-STORE messages."""
# C-STORE-RQ
primitive = C_STORE()
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.DataSet = BytesIO()
# No dataset
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_store_rq(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.DataSet = BytesIO(encode(ref_ds, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
# Dataset
self.dimse.debug_receive_c_store_rq(msg)
# C-STORE-RSP
primitive = C_STORE()
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.DataSet = BytesIO()
# Check statuses + no dataset
for status in [0x0000, 0xb000, 0xb007, 0xb006, 0xa700, 0xa900, 0xc000]:
primitive.Status = status
msg = C_STORE_RSP()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_store_rsp(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
msg = C_STORE_RSP()
msg.primitive_to_message(primitive)
# Dataset
msg.data_set = BytesIO(encode(ref_ds, True, True))
self.dimse.debug_receive_c_store_rsp(msg)
def test_decode(self):
"""Test decoding of a DIMSE message."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = "1.1.1"
primitive.AffectedSOPInstanceUID = "1.2.1"
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = "UNITTEST"
primitive.MoveOriginatorMessageID = 3
ds = Dataset()
ds.PatientID = "Test1101"
ds.PatientName = "Tube^HeNe"
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
# CMD: (1x4, 3x1), DS: (0x1, 2x1)
p_data = dimse_msg.encode_msg(12, 24)
# Command set decoding
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 3 - end of command set
assert dimse_msg.__class__ == C_STORE_RQ
# Test decoded command set
cs = dimse_msg.command_set
assert cs.CommandGroupLength == 94
assert cs.AffectedSOPClassUID == UID("1.1.1")
assert cs.AffectedSOPInstanceUID == UID("1.2.1")
assert cs.Priority == 2
assert cs.CommandDataSetType == 1
assert cs.CommandField == 1
assert cs.MoveOriginatorApplicationEntityTitle == "UNITTEST"
assert cs.MoveOriginatorMessageID == 3
# Test decoded dataset
dimse_msg.decode_msg(next(p_data)) # MCHB 1 # MCHB 0
dimse_msg.decode_msg(next(p_data)) # MCHB 1 # MCHB 2
assert dimse_msg.data_set.getvalue() == c_store_ds[1:]
# Test returns false
msg = C_STORE_RSP()
assert not msg.decode_msg(c_store_rsp_cmd)
def test_encode(self):
"""Test encoding of a DIMSE message."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST'
primitive.MoveOriginatorMessageID = 3
# Test encode without dataset
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(12, 16):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b'\x01'
assert p_data_list[-1].presentation_data_value_list[0][1][
0:1] == b'\x03'
assert dimse_msg.context_id == 12
# Test encode with dataset
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = 'Tube^HeNe'
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(13, 10):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b'\x01'
assert p_data_list[-1].presentation_data_value_list[0][1][
0:1] == b'\x02'
assert p_data_list[-2].presentation_data_value_list[0][1][
0:1] == b'\x00'
assert p_data_list[-10].presentation_data_value_list[0][1][
0:1] == b'\x03'
assert dimse_msg.context_id == 13
p_data_list = []
for pdata in dimse_msg.encode_msg(1, 31682):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][
1] == c_store_rq_cmd
assert p_data_list[1].presentation_data_value_list[0][1] == c_store_ds
