test: Unit test for RemoteStartTransaction nested dataclass

tests/v16/test_v16_charging_profiles.py

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+import json
+from dataclasses import asdict, dataclass
+from typing import TypeVar
+
+from ocpp.v16.call import RemoteStartTransaction
+from ocpp.v16.datatypes import ChargingProfile, ChargingSchedule, ChargingSchedulePeriod
+from ocpp.v16.enums import (
+    ChargingProfileKindType,
+    ChargingProfilePurposeType,
+    ChargingRateUnitType,
+    RecurrencyKind,
+)
+
+T = TypeVar("T", bound="dataclass")
+
+
+def to_datatype(cls, dc: T):
+    to_dict = asdict(dc)
+    to_json = json.dumps(to_dict)
+    from_json = json.loads(to_json)
+    return cls(**from_json)
+
+
+def test_remote_start_transaction_as_dict():
+    cp: T = ChargingProfile(
+        charging_profile_id=1,
+        stack_level=1,
+        charging_profile_purpose=ChargingProfilePurposeType.charge_point_max_profile,
+        charging_profile_kind=ChargingProfileKindType.absolute,
+        charging_schedule=ChargingSchedule(
+            charging_rate_unit=ChargingRateUnitType.watts,
+            charging_schedule_period=[
+                ChargingSchedulePeriod(start_period=0, limit=10, number_phases=3)
+            ],
+        ),
+        transaction_id=1,
+        recurrency_kind=RecurrencyKind.daily,
+        valid_from="2021-01-01T00:00:00Z",
+        valid_to="2021-01-02T00:00:00Z",
+    )
+
+    cp_dict = asdict(cp)
+
+    rst = RemoteStartTransaction(
+        id_tag="12345", connector_id=1, charging_profile=cp_dict
+    )
+
+    new_rst = to_datatype(RemoteStartTransaction, rst)
+
+    # Verify top level attributes
+    assert rst.id_tag == new_rst.id_tag
+    assert rst.connector_id == new_rst.connector_id
+
+    # Verify ChargingProfile attributes
+    charging_profile = rst.charging_profile
+    new_charging_profile = new_rst.charging_profile
+    assert (
+        charging_profile["charging_profile_id"]
+        == new_charging_profile["charging_profile_id"]
+    )
+    assert charging_profile["stack_level"] == new_charging_profile["stack_level"]
+    assert (
+        charging_profile["charging_profile_purpose"]
+        == new_charging_profile["charging_profile_purpose"]
+    )
+    assert (
+        charging_profile["charging_profile_kind"]
+        == new_charging_profile["charging_profile_kind"]
+    )
+    assert charging_profile["transaction_id"] == new_charging_profile["transaction_id"]
+    assert (
+        charging_profile["recurrency_kind"] == new_charging_profile["recurrency_kind"]
+    )
+    assert charging_profile["valid_from"] == new_charging_profile["valid_from"]
+    assert charging_profile["valid_to"] == new_charging_profile["valid_to"]
+
+    # Verify ChargingSchedule attributes
+    charging_schedule = charging_profile["charging_schedule"]
+    new_charging_schedule = new_charging_profile["charging_schedule"]
+    assert (
+        charging_schedule["charging_rate_unit"]
+        == new_charging_schedule["charging_rate_unit"]
+    )
+
+    # Verify ChargingSchedulePeriod attributes
+    charging_period = charging_schedule["charging_schedule_period"][0]
+    new_charging_period = new_charging_schedule["charging_schedule_period"][0]
+    assert charging_period["start_period"] == new_charging_period["start_period"]
+    assert charging_period["limit"] == new_charging_period["limit"]
+    assert charging_period["number_phases"] == new_charging_period["number_phases"]
+
+
+def test_remote_start_transaction_as_class():
+    cp: T = ChargingProfile(
+        charging_profile_id=1,
+        stack_level=1,
+        charging_profile_purpose=ChargingProfilePurposeType.charge_point_max_profile,
+        charging_profile_kind=ChargingProfileKindType.absolute,
+        charging_schedule=ChargingSchedule(
+            charging_rate_unit=ChargingRateUnitType.watts,
+            charging_schedule_period=[
+                ChargingSchedulePeriod(start_period=0, limit=10, number_phases=3)
+            ],
+        ),
+        transaction_id=1,
+        recurrency_kind=RecurrencyKind.daily,
+        valid_from="2021-01-01T00:00:00Z",
+        valid_to="2021-01-02T00:00:00Z",
+    )
+
+    rst = RemoteStartTransaction(id_tag="12345", connector_id=1, charging_profile=cp)
+
+    new_rst = to_datatype(RemoteStartTransaction, rst)
+
+    # Verify top level attributes
+    assert rst.id_tag == new_rst.id_tag
+    assert rst.connector_id == new_rst.connector_id
+
+    # Verify ChargingProfile attributes
+    charging_profile = rst.charging_profile
+    new_charging_profile = new_rst.charging_profile
+    assert (
+        charging_profile.charging_profile_id
+        == new_charging_profile["charging_profile_id"]
+    )
+    assert charging_profile.stack_level == new_charging_profile["stack_level"]
+    assert (
+        charging_profile.charging_profile_purpose
+        == new_charging_profile["charging_profile_purpose"]
+    )
+    assert (
+        charging_profile.charging_profile_kind
+        == new_charging_profile["charging_profile_kind"]
+    )
+    assert charging_profile.transaction_id == new_charging_profile["transaction_id"]
+    assert charging_profile.recurrency_kind == new_charging_profile["recurrency_kind"]
+    assert charging_profile.valid_from == new_charging_profile["valid_from"]
+    assert charging_profile.valid_to == new_charging_profile["valid_to"]
+
+    # Verify ChargingSchedule attributes
+    charging_schedule = charging_profile.charging_schedule
+    new_charging_schedule = new_charging_profile["charging_schedule"]
+    assert (
+        charging_schedule.charging_rate_unit
+        == new_charging_schedule["charging_rate_unit"]
+    )
+
+    # Verify ChargingSchedulePeriod attributes
+    charging_period = charging_schedule.charging_schedule_period[0]
+    new_charging_period = new_charging_schedule["charging_schedule_period"][0]
+    assert charging_period.start_period == new_charging_period["start_period"]
+    assert charging_period.limit == new_charging_period["limit"]
+    assert charging_period.number_phases == new_charging_period["number_phases"]