def test_power_event_log_empty_2(self):
pef_parser = ProfileGenericParser(BUFFER_TYPES, PG_HEAD_PARSERS, PG_UNIDENTIFIED_BUFFERTYPE_PARSERS)
object_type = ProfileGenericObject
# Power Event Log with 0 items and no object type
pefl_line = r'1-0:99.97.0(0)()\r\n'
testitem = pef_parser.parse(pefl_line)
assert isinstance(testitem, object_type)
assert testitem.buffer_length == 0
assert testitem.buffer_type is None
buffer = testitem.buffer
assert isinstance(testitem.buffer, list)
assert len(buffer) == 0
assert testitem.values == [{'value': 0, 'unit': None}, {'value': None, 'unit': None}]
json = testitem.to_json()
assert json == '{"buffer_length": 0, "buffer_type": null, "buffer": []}'
def test_power_event_log_null_values(self):
pef_parser = ProfileGenericParser(BUFFER_TYPES, PG_HEAD_PARSERS, PG_UNIDENTIFIED_BUFFERTYPE_PARSERS)
object_type = ProfileGenericObject
# Power Event Log with 1 item and no object type and nno values for the item
pefl_line = r'1-0:99.97.0(1)()()()\r\n'
testitem = pef_parser.parse(pefl_line)
assert isinstance(testitem, object_type)
assert testitem.buffer_length == 1
assert testitem.buffer_type is None
buffer = testitem.buffer
assert isinstance(testitem.buffer, list)
assert len(buffer) == 1
assert testitem.values == [{'value': 1, 'unit': None}, {'value': None, 'unit': None},
{'value': None, 'unit': None}, {'value': None, 'unit': None}]
json = testitem.to_json()
assert json == \
'{"buffer_length": 1, "buffer_type": null, "buffer": [{"datetime": null, "value": null, "unit": null}]}'
def test_power_event_log_brackets_only(self):
# POWER_EVENT_FAILURE_LOG (1-0:99.97.0)
# Issue 57
# Test of an ill formatted empty POWER_EVENT_FAILURE_LOG, observed on some smartmeters
# The idea is that instead of failing, the parser converts it to an empty POWER_EVENT_FAILURE_LOG
pef_parser = ProfileGenericParser(BUFFER_TYPES, PG_HEAD_PARSERS, PG_UNIDENTIFIED_BUFFERTYPE_PARSERS)
object_type = ProfileGenericObject
pefl_line = r'1-0:99.97.0()\r\n'
testitem = pef_parser.parse(pefl_line)
assert isinstance(testitem, object_type)
assert testitem.buffer_length == 0
assert testitem.buffer_type is None
buffer = testitem.buffer
assert isinstance(testitem.buffer, list)
assert len(buffer) == 0
assert testitem.values == [{'value': 0, 'unit': None}, {'value': None, 'unit': None}]
json = testitem.to_json()
assert json == '{"buffer_length": 0, "buffer_type": null, "buffer": []}'