def test_frame_decode_data():
motorSpeed = LinSignal('MotorSpeed', 7, 0)
motorValues = [
LogicalValue(0, 'off'),
PhysicalValue(1, 99, 1, 0, 'rpm'),
PhysicalValue(100, 128, 0, 100)]
temperature = LinSignal('Temperature', 8, 255)
temperatureValues = [
LogicalValue(0, 'MEASUREMENT_ERROR'),
PhysicalValue(1, 255, 1, -50, 'C')]
errorState = LinSignal('Error', 1, 0)
errorValues = [
LogicalValue(0, 'NO_ERROR'),
LogicalValue(1, 'ERROR')]
converters = {
'MotorSpeed': LinSignalType('MotorSpeedType', motorValues),
'Temperature': LinSignalType('TemperatureType', temperatureValues),
'Error': LinSignalType('ErrorType', errorValues)
}
frame = LinFrame(1, 'Status', 2, {0: motorSpeed, 7: errorState, 8: temperature})
frame.parse(
[0x88, 0x88],
converters
)
def test_frame_signals_overlapping():
signal1 = LinSignal('Signal_1', 8, 0)
signal2 = LinSignal('Signal_2', 4, 0)
signal3 = LinSignal('Signal_3', 1, 0)
with pytest.raises(ValueError):
LinFrame(1, 'Frame_1', 2, {0: signal1, 7: signal2, 15: signal3})
def test_frame_raw_encoding_array2():
signal1 = LinSignal('Signal_1', 16, [0, 0])
signal2 = LinSignal('Signal_2', 8, 0)
frame = LinFrame(1, 'Frame_1', 3, {0: signal1, 16: signal2})
content = frame.raw({
'Signal_1': [1, 2],
'Signal_2': 3
})
assert list(content) == [1, 2, 3]
def test_frame_raw_encoding_out_of_range():
signal1 = LinSignal('Signal_1', 8, 0)
signal2 = LinSignal('Signal_2', 4, 0)
signal3 = LinSignal('Signal_3', 1, 0)
frame = LinFrame(1, 'Frame_1', 2, {0: signal1, 8: signal2, 15: signal3})
with pytest.raises(Exception):
frame.raw({
'Signal_1': 100,
'Signal_2': 30,
'Signal_3': 1
})
def test_frame_raw_encoding_no_signal():
signal1 = LinSignal('Signal_1', 8, 255)
signal2 = LinSignal('Signal_2', 4, 255)
signal3 = LinSignal('Signal_3', 1, 255)
frame = LinFrame(1, 'Frame_1', 2, {0: signal1, 8: signal2, 15: signal3})
content = frame.raw({
'Signal_2': 10,
'Signal_3': 1
})
assert list(content) == [255, 10 | 1 << 7]
def test_frame_raw_encoding_array():
signal1 = LinSignal('Signal_1', 16, [0, 0])
frame = LinFrame(1, 'Frame_1', 2, {0: signal1})
content = frame.raw({
'Signal_1': [1, 2]
})
assert list(content) == [1, 2]
def test_frame_decode_data_missing_decoder():
motorSpeed = LinSignal('MotorSpeed', 8, 0)
converters = {}
frame = LinFrame(1, 'Status', 1, {0: motorSpeed})
with pytest.raises(ValueError):
frame.parse([0x88], converters)
def test_frame_encode_data_missing_encoder():
motorSpeed = LinSignal('MotorSpeed', 8, 0)
motorValues = [PhysicalValue(0, 255, 0, 100)]
converters = {
'MotorSpeed': LinSignalType('MotorSpeedType', motorValues)
}
frame = LinFrame(1, 'Status', 1, {0: motorSpeed})
with pytest.raises(ValueError):
frame.data({'MissingSignal': 0}, converters)
def test_frame_raw_decoding_array2():
signal1 = LinSignal('Signal_1', 16, [0, 0])
signal2 = LinSignal('Signal_2', 8, 0)
frame = LinFrame(1, 'Frame_1', 3, {0: signal1, 16: signal2})
assert frame.parse_raw(bytearray([1, 2, 3])) == {"Signal_1": [1, 2], "Signal_2": 3}
def test_frame_raw_decoding_array():
signal1 = LinSignal('Signal_1', 16, [0, 0])
frame = LinFrame(1, 'Frame_1', 2, {0: signal1})
assert frame.parse_raw(bytearray([1, 2])) == {"Signal_1": [1, 2]}
def test_frame_signal_out_of_frame():
signal1 = LinSignal('Signal_1', 8, 0)
signal2 = LinSignal('Signal_2', 4, 0)
with pytest.raises(ValueError):
LinFrame(1, 'Frame_1', 2, {0: signal1, 14: signal2})