def test_json_back_and_forth(self) -> None:
""" test converting back and forth from and to json """
# GIVEN
input_dict = TestCoordinationInputValidation.get_default_inputs()
# WHEN
offset = Offset(**input_dict)
# THEN converting back and forth should in the end give the same result
offset_dict = offset.to_json()
offset_from_json = Offset.from_json(offset_dict=offset_dict)
self.assertDictEqual(offset_dict, offset_from_json.to_json())
def from_json(intersection_dict: Dict) -> Intersection:
"""
Loading intersection from json (expected same json structure as generated with to_json)
:param intersection_dict:
:return: intersection object
"""
# load signal groups
signalgroups = [
SignalGroup.from_json(signalgroup_dict=signalgroup_dict)
for signalgroup_dict in intersection_dict["signalgroups"]
]
if "periodic_orders" in intersection_dict:
periodic_orders = [
PeriodicOrder.from_json(order_dict=order_dict)
for order_dict in intersection_dict["periodic_orders"]
]
else:
periodic_orders = []
# load conflicts
conflicts = [
Conflict.from_json(conflict_dict=conflict_dict)
for conflict_dict in intersection_dict["conflicts"]
]
# load other relations (synchronous starts, offsets and greenyellow_lead)
sync_starts = []
offsets = []
greenyellow_leads = []
greenyellow_trails = []
for other_relation_dict in intersection_dict["other_relations"]:
assert other_relation_dict["from_start_gy"] == other_relation_dict["to_start_gy"], \
"besides conflicts, at the moment the cloud api can only handle synchronous starts, offsets, " \
"greenyellow-leads and greenyellow-trails."
if other_relation_dict[
"from_start_gy"] is True and other_relation_dict[
"to_start_gy"] is True:
if other_relation_dict["min_time"] == other_relation_dict[
"max_time"]:
if other_relation_dict["min_time"] == 0: # sync start
sync_starts.append(
SyncStart.from_json(
sync_start_dict=other_relation_dict))
else: # offset
offsets.append(
Offset.from_json(offset_dict=other_relation_dict))
else: # greenyellow-leads
greenyellow_leads.append(
GreenyellowLead.from_json(
json_dict=other_relation_dict))
elif other_relation_dict[
"from_start_gy"] is False and other_relation_dict[
"to_start_gy"] is False:
greenyellow_trails.append(
GreenyellowTrail.from_json(json_dict=other_relation_dict))
return Intersection(signalgroups=signalgroups,
conflicts=conflicts,
sync_starts=sync_starts,
offsets=offsets,
greenyellow_leads=greenyellow_leads,
greenyellow_trails=greenyellow_trails,
periodic_orders=periodic_orders)