def deserialise_message_beginning(
original_dict: EdifactDict,
index: int) -> MessageSegmentBeginningDetails:
msg_bgn_lines = EdifactDict(
helpers.extract_relevant_lines(original_dict, index,
[MESSAGE_REGISTRATION_KEY]))
msg_bgn_details = creators.create_message_segment_beginning(msg_bgn_lines)
return msg_bgn_details
def deserialise_interchange_header(original_dict: EdifactDict,
index: int) -> InterchangeHeader:
interchange_header_line = EdifactDict(
helpers.extract_relevant_lines(original_dict, index,
[MESSAGE_HEADER_KEY]))
interchange_header = creators.create_interchange_header(
interchange_header_line)
return interchange_header
def deserialise_registration(
transaction_lines: EdifactDict) -> TransactionRegistrationDetails:
registration_lines = EdifactDict(
helpers.extract_relevant_lines(transaction_lines, 0, [
MESSAGE_REGISTRATION_KEY, MESSAGE_PATIENT_KEY, MESSAGE_TRAILER_KEY
]))
transaction_reg = creators.create_transaction_registration(
registration_lines)
return transaction_reg
def deserialise_patient_if_applicable(
transaction_lines: EdifactDict) -> TransactionPatientDetails:
transaction_pat = None
patient_segment_index = find_index_of_patient_segment(transaction_lines)
if patient_segment_index != -1:
patient_lines = EdifactDict(
helpers.extract_relevant_lines(
transaction_lines, patient_segment_index,
[MESSAGE_REGISTRATION_KEY, MESSAGE_TRAILER_KEY]))
transaction_pat = creators.create_transaction_patient(patient_lines)
return transaction_pat
def get_transaction_lines(original_dict: EdifactDict,
index: int) -> EdifactDict:
"""
From the original dict provided get the lines that represent a transaction within a message.
This can be when another MESSAGE_REGISTRATION_KEY is found representing a new transaction or
when the MESSAGE_TRAILER_KEY is found.
In order to skip the first SO1 in the original_dict provided here the index is started at +1
"""
transaction_lines = EdifactDict(
helpers.extract_relevant_lines(
original_dict, index + 1,
[MESSAGE_REGISTRATION_KEY, MESSAGE_TRAILER_KEY]))
return transaction_lines
def test_extract_relevant_lines(self):
with self.subTest(
"When the original dict is just 1 line and terminating keys not found "
"return the original dict"):
expected = EdifactDict([("AAA", "VALUE FOR AAA")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=0,
terminator_keys=["BBB"])
compare(result, expected)
with self.subTest("When the terminating key is found on the first line"
"return an empty Edifact dict"):
expected = EdifactDict([])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=0,
terminator_keys=["AAA"])
compare(result, expected)
with self.subTest(
"When the original dict is multiple lines and terminating keys not found "
"return the original dict"):
expected = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=0,
terminator_keys=["CCC"])
compare(result, expected)
with self.subTest(
"When the starting pos is 0 and terminating key is found "
"return a new dict from the first line to the terminating key is found"
):
expected = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=0,
terminator_keys=["CCC"])
compare(result, expected)
with self.subTest(
"When the starting pos is 1 and terminating key is found "
"return a new dict from the second line to the terminating key is found"
):
expected = EdifactDict([("BBB", "VALUE FOR BBB")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=1,
terminator_keys=["CCC"])
compare(result, expected)
with self.subTest(
"When the starting pos is 1 and terminating key is not found "
"return a new dict from the second line to the end of the original dict"
):
expected = EdifactDict([("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=1,
terminator_keys=["DDD"])
compare(result, expected)
with self.subTest(
"The terminator key exists on the first line but the starting pos is 1 "
"return a new dict from the second line to the terminating key is found"
):
expected = EdifactDict([("BBB", "VALUE FOR BBB")])
original_dict = EdifactDict([("CCC", "VALUE FOR CCC"),
("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
result = helpers.extract_relevant_lines(original_dict,
starting_pos=1,
terminator_keys=["CCC"])
compare(result, expected)
with self.subTest(
"When more than one terminator key is provided "
"return a new dict from the starting pos to one of the terminating key is found"
):
expected = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB")])
original_dict = EdifactDict([("AAA", "VALUE FOR AAA"),
("BBB", "VALUE FOR BBB"),
("CCC", "VALUE FOR CCC")])
result = helpers.extract_relevant_lines(
original_dict, starting_pos=0, terminator_keys=["CCC", "DDD"])
compare(result, expected)