Files
yaris-obd/tests/test_app_obd.py
T

131 lines
5.0 KiB
Python

import unittest
from unittest.mock import MagicMock, patch
import obd
from modules import app_obd
class CarConnectedFlagTest(unittest.TestCase):
def setUp(self):
app_obd._car_ever_connected = False
def tearDown(self):
app_obd._car_ever_connected = False
def test_was_ever_connected_reads_persisted_flag(self):
with patch("modules.app_sql.get_setting", return_value="1"):
self.assertTrue(app_obd.was_car_ever_connected())
self.assertTrue(app_obd._car_ever_connected)
def test_was_ever_connected_defaults_false(self):
with patch("modules.app_sql.get_setting", return_value="0"):
self.assertFalse(app_obd.was_car_ever_connected())
def test_persist_car_connected_writes_setting(self):
with patch("modules.app_sql.set_setting") as mock_set:
app_obd._persist_car_connected()
mock_set.assert_called_once_with("car_ever_connected", "1")
class ClearDtcCodesTest(unittest.TestCase):
def setUp(self):
self.original_connection = app_obd.connection
self.original_dtc_codes = app_obd.dtc_codes
self.original_mil_on = app_obd.mil_on
def tearDown(self):
app_obd.connection = self.original_connection
app_obd.dtc_codes = self.original_dtc_codes
app_obd.mil_on = self.original_mil_on
def test_not_connected_returns_not_connected(self):
app_obd.connection = None
result = app_obd.clear_dtc_codes()
self.assertEqual(result["status"], "not_connected")
def test_connected_clears_ecu_and_resets_state(self):
fake_conn = MagicMock()
app_obd.connection = fake_conn
app_obd.dtc_codes = [{"code": "P0300", "description": "Misfire"}]
app_obd.mil_on = True
with patch.object(app_obd, "_is_car_connected", return_value=True), \
patch("modules.app_sql.clear_dtc_state") as mock_clear, \
patch("modules.app_events.socketio.emit") as mock_emit:
result = app_obd.clear_dtc_codes()
self.assertEqual(result["status"], "cleared")
fake_conn.query.assert_called_once_with(obd.commands.CLEAR_DTC)
self.assertEqual(app_obd.dtc_codes, [])
self.assertFalse(app_obd.mil_on)
mock_clear.assert_called_once_with()
self.assertTrue(mock_emit.called)
def test_query_error_returns_error(self):
fake_conn = MagicMock()
fake_conn.query.side_effect = RuntimeError("boom")
app_obd.connection = fake_conn
with patch.object(app_obd, "_is_car_connected", return_value=True), \
patch.object(app_obd, "_mark_connection_lost") as mock_mark:
result = app_obd.clear_dtc_codes()
self.assertEqual(result["status"], "error")
self.assertIn("boom", result["error"])
mock_mark.assert_called_once()
class EmitCurrentStateTest(unittest.TestCase):
def setUp(self):
self._saved = {
name: getattr(app_obd, name)
for name in (
"speed", "rpm", "coolant_temp", "fuel_level",
"throttle_position", "mil_on", "dtc_codes",
)
}
def tearDown(self):
for name, value in self._saved.items():
setattr(app_obd, name, value)
def _emitted(self, mock_emit):
return {call.args[0]: call.args[1] for call in mock_emit.call_args_list}
def test_connected_emits_current_values(self):
app_obd.speed = 42.5
app_obd.rpm = 1200
app_obd.coolant_temp = 88.0
app_obd.fuel_level = 60.0
app_obd.throttle_position = 12.0
app_obd.mil_on = False
app_obd.dtc_codes = []
with patch.object(app_obd, "_is_car_connected", return_value=True), \
patch("modules.app_events.socketio.emit") as mock_emit:
app_obd.emit_current_state()
emitted = self._emitted(mock_emit)
self.assertEqual(emitted["obd_status"], "Connected")
self.assertEqual(emitted["obd_rpm"], 1200)
self.assertEqual(emitted["obd_coolant_temp"], 88.0)
self.assertEqual(emitted["obd_fuel_level"], 60.0)
self.assertEqual(emitted["obd_throttle"], 12.0)
# speed is emitted as [time, speed]
self.assertEqual(emitted["obd_speed"][1], 42.5)
def test_disconnected_emits_dashes(self):
app_obd.rpm = None
app_obd.coolant_temp = None
app_obd.fuel_level = None
app_obd.throttle_position = None
with patch.object(app_obd, "_is_car_connected", return_value=False), \
patch("modules.app_events.socketio.emit") as mock_emit:
app_obd.emit_current_state()
emitted = self._emitted(mock_emit)
self.assertEqual(emitted["obd_status"], "Disconnected")
self.assertEqual(emitted["obd_speed"], "-")
self.assertEqual(emitted["obd_rpm"], "-")
self.assertEqual(emitted["obd_coolant_temp"], "-")
self.assertEqual(emitted["obd_fuel_level"], "-")
self.assertEqual(emitted["obd_throttle"], "-")
if __name__ == "__main__":
unittest.main()