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implement tests for bittiming classes with kvaser
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test/test_kvaser.py

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@@ -20,6 +20,7 @@ def setUp(self):
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canlib.canIoCtl = Mock(return_value=0)
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canlib.canIoCtlInit = Mock(return_value=0)
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canlib.kvReadTimer = Mock()
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canlib.canSetBusParamsC200 = Mock()
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canlib.canSetBusParams = Mock()
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canlib.canSetBusParamsFd = Mock()
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canlib.canBusOn = Mock()
@@ -156,6 +157,37 @@ def test_canfd_default_data_bitrate(self):
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0, constants.canFD_BITRATE_500K_80P, 0, 0, 0
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)
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def test_can_timing(self):
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canlib.canSetBusParams.reset_mock()
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canlib.canSetBusParamsFd.reset_mock()
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timing = can.BitTiming.from_bitrate_and_segments(
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f_clock=16_000_000,
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bitrate=125_000,
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tseg1=13,
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tseg2=2,
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sjw=1,
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)
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can.Bus(channel=0, interface="kvaser", timing=timing)
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canlib.canSetBusParamsC200.assert_called_once_with(0, timing.btr0, timing.btr1)
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def test_canfd_timing(self):
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canlib.canSetBusParams.reset_mock()
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canlib.canSetBusParamsFd.reset_mock()
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timing = can.BitTimingFd.from_bitrate_and_segments(
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f_clock=80_000_000,
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nom_bitrate=500_000,
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nom_tseg1=68,
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nom_tseg2=11,
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nom_sjw=10,
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data_bitrate=2_000_000,
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data_tseg1=10,
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data_tseg2=9,
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data_sjw=8,
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)
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can.Bus(channel=0, interface="kvaser", timing=timing)
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canlib.canSetBusParams.assert_called_once_with(0, 500_000, 68, 11, 10, 1, 0)
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canlib.canSetBusParamsFd.assert_called_once_with(0, 2_000_000, 10, 9, 8)
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def test_canfd_nondefault_data_bitrate(self):
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canlib.canSetBusParams.reset_mock()
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canlib.canSetBusParamsFd.reset_mock()

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