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from unittest import mock
from src.bluecurrent_api.utils import (
calculate_average_usage_from_phases,
get_vehicle_status,
create_datetime,
handle_charge_points,
handle_grid,
handle_session_messages,
handle_settings,
handle_status,
get_dummy_message,
get_exception,
get_next_reset_delta,
calculate_total_kw,
SMART_CHARGING,
set_current_left,
set_smart_charging,
handle_setting_change,
)
from datetime import datetime, timezone, timedelta
from src.bluecurrent_api.exceptions import WebsocketError, RequestLimitReached
from pytest_mock import MockerFixture
import pytz
def test_calculate_total_from_phases():
total = calculate_average_usage_from_phases([10, 10, 10])
assert total == 10
total = calculate_average_usage_from_phases([0, 0, 0])
assert total == 0
total = calculate_average_usage_from_phases([10, None, 20])
assert total == 15
total = calculate_average_usage_from_phases([10, 6, 10])
assert total == 8.7
total = calculate_average_usage_from_phases([10, 8, 1])
assert total == 6.3
total = calculate_average_usage_from_phases([10, 0, 20])
assert total == 15
total = calculate_average_usage_from_phases([5, 0, 0])
assert total == 5
total = calculate_average_usage_from_phases([6, None, None])
assert total == 6
total = calculate_average_usage_from_phases([None, None, None])
assert total == 0
def test_calculate_total_kW():
total = calculate_total_kw(14, 230)
assert total == 5.58
def test_set_to_smart_charging():
set_smart_charging("bcu101", True)
assert SMART_CHARGING == {"bcu101"}
set_smart_charging("bcu101", False)
assert SMART_CHARGING == set()
def test_get_vehicle_status():
assert get_vehicle_status("A") == "standby"
assert get_vehicle_status("B") == "vehicle_detected"
assert get_vehicle_status("C") == "ready"
assert get_vehicle_status("D") == "ready"
assert get_vehicle_status("E") == "no_power"
assert get_vehicle_status("F") == "vehicle_error"
def test_create_datetime():
TZ = pytz.timezone("Europe/Amsterdam")
test_time = TZ.localize(datetime(2001, 1, 1, 0, 0, 0))
assert create_datetime("20010101 00:00:00") == test_time
assert create_datetime("20010101 00:00:00+00:00") == datetime(
2001, 1, 1, 0, 0, 0, tzinfo=timezone.utc
)
assert create_datetime("") is None
def test_handle_charge_points():
message = {
"data": [
{"evse_id": "BCU101", "smart_charging": False},
{"evse_id": "BCU102", "smart_charging": True},
]
}
handle_charge_points(message)
assert SMART_CHARGING == {"BCU102"}
def test_handle_set_current_left():
message = {
"data": {
"max_usage": 10,
"smartcharging_max_usage": 6,
},
"evse_id": "bcu101",
}
SMART_CHARGING.add("bcu101")
set_current_left(message, 5)
assert message["data"]["current_left"] == 1
SMART_CHARGING.remove("bcu101")
set_current_left(message, 5)
assert message["data"]["current_left"] == 5
def test_handle_status():
message = {
"data": {
"actual_v1": 220,
"actual_v2": 221,
"actual_v3": 219,
"actual_p1": 8,
"actual_p2": 8,
"actual_p3": 8,
"activity": "available",
"start_datetime": "20211118 14:12:23",
"stop_datetime": "20211118 14:32:23",
"offline_since": "20211118 14:32:23",
"total_cost": 10.52,
"vehicle_status": "A",
"actual_kwh": 10,
"evse_id": "BCU101",
"max_usage": 10,
"max_offline": 7,
"smartcharging_max_usage": 6,
},
"evse_id": "BCU101",
}
TZ = pytz.timezone("Europe/Amsterdam")
handle_status(message)
assert message["data"]["avg_voltage"] == 220.0
assert message["data"]["avg_current"] == 8.0
assert message["data"]["total_kw"] == 3.05
assert message["data"]["start_datetime"] == TZ.localize(
datetime(2021, 11, 18, 14, 12, 23)
)
assert message["data"]["stop_datetime"] == TZ.localize(
datetime(2021, 11, 18, 14, 32, 23)
)
assert message["data"]["offline_since"] == TZ.localize(
datetime(2021, 11, 18, 14, 32, 23)
)
assert message["data"]["vehicle_status"] == "standby"
assert message["data"]["current_left"] == 2.0
assert len(message["data"]) == 21
def test_handle_settings():
message = {
"data": {
"evse_id": "BCU102",
"plug_and_charge": {
"value": False,
},
"public_charging": {
"value": True,
},
"smart_charging": False,
}
}
handle_settings(message)
assert message["data"]["plug_and_charge"] is False
assert message["data"]["linked_charge_cards_only"] is False
assert SMART_CHARGING == set()
message = {
"data": {
"evse_id": "BCU102",
"plug_and_charge": {
"value": False,
},
"public_charging": {
"value": True,
},
"smart_charging": True,
}
}
handle_settings(message)
assert SMART_CHARGING == {"BCU102"}
def test_get_exception():
message = {"object": "ERROR", "error": 0, "message": "Test error"}
error = get_exception(message)
assert isinstance(error, WebsocketError)
assert str(error) == "Unknown command"
message = {"object": "ERROR", "error": 99, "message": "Test error"}
error = get_exception(message)
assert isinstance(error, WebsocketError)
assert str(error) == "Test error"
message = {"object": "ERROR", "error": 42, "message": "Test error"}
error = get_exception(message)
assert isinstance(error, RequestLimitReached)
assert str(error) == "Request limit reached"
def test_handle_grid():
message = {
"data": {
"grid_actual_p1": 12,
"grid_actual_p2": 14,
"grid_actual_p3": 15,
},
"object": "GRID_STATUS",
}
handle_grid(message)
assert message["data"]["grid_avg_current"] == 13.7
assert message["data"]["grid_max_current"] == 15
message = {
"grid_actual_p1": 12,
"grid_actual_p2": 14,
"grid_actual_p3": 15,
"object": "GRID_CURRENT",
}
handle_grid(message)
assert message["data"]["grid_avg_current"] == 13.7
assert message["data"]["grid_max_current"] == 15
assert len(message["data"]) == 5
def test_handle_setting_change():
message = {
"object": "STATUS_SET_PLUG_AND_CHARGE",
"result": {"setting": "set true"},
}
handle_setting_change(message)
assert message == {"object": "PLUG_AND_CHARGE", "result": True}
message = {
"object": "STATUS_SET_PUBLIC_CHARGING",
"result": {"setting": "set false"},
}
handle_setting_change(message)
assert message == {"object": "LINKED_CHARGE_CARDS_ONLY", "result": True}
def test_handle_session_messages():
message = {
"object": "RECEIVED_STOP_SESSION",
"success": False,
"error": "no active session for chargepoint: BCU101",
}
handle_session_messages(message)
assert message == {
"object": "STOP_SESSION",
"success": False,
"error": "no active session for chargepoint: BCU101",
}
message = {
"object": "STATUS_START_SESSION",
"success": False,
"evse_id": "BCU101",
"error": "REJECTED",
}
handle_session_messages(message)
assert message == {
"object": "START_SESSION",
"success": False,
"evse_id": "BCU101",
"error": "start_session rejected for chargepoint: BCU101",
}
message = {
"object": "STATUS_START_SESSION",
"success": False,
"evse_id": "BCU101",
"error": "TIMEOUT",
}
handle_session_messages(message)
assert message == {
"object": "START_SESSION",
"success": False,
"evse_id": "BCU101",
"error": "start_session timeout for chargepoint: BCU101",
}
message = {
"object": "STATUS_REBOOT",
"success": False,
"evse_id": "BCU101",
"error": "TIMEOUT",
}
handle_session_messages(message)
assert message == {
"object": "REBOOT",
"success": False,
"evse_id": "BCU101",
"error": "reboot timeout for chargepoint: BCU101",
}
message = {
"object": "STATUS_SOFT_RESET",
"success": False,
"evse_id": "BCU101",
"error": "TIMEOUT",
}
handle_session_messages(message)
assert message == {
"object": "SOFT_RESET",
"success": False,
"evse_id": "BCU101",
"error": "soft_reset timeout for chargepoint: BCU101",
}
def test_get_dummy_message(mocker: MockerFixture):
time = datetime(1901, 12, 21)
datetime_mock = mocker.patch("src.bluecurrent_api.utils.datetime")
datetime_mock.now = mock.Mock(return_value=time)
assert get_dummy_message("BCU101") == {
"object": "CH_STATUS",
"data": {"start_datetime": time, "evse_id": "BCU101"},
}
def test_get_next_reset_delta(mocker: MockerFixture):
time = datetime(1901, 12, 21, 10, 30, 0)
datetime_mock = mocker.patch("src.bluecurrent_api.utils.datetime")
datetime_mock.now = mock.Mock(return_value=time)
assert get_next_reset_delta() == timedelta(hours=13, minutes=30, seconds=30)
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