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test: Return -1 to indicate an error in get_switching_cycles method

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The old behavior was the return of the maximum value. However, this can
also be a valid value. Now all positive values are valid and a negative
value of -1 describes an error in the query.

Signed-off-by: Sven Sager <akira@narux.de>
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akira committed 2026-09-01 08:43:26 +02:00
1 parent f86527b5fd
commit 15b8d03772
3 files changed
+575
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tests/io_tests/test_ios.py
+27
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@@ -105,3 +105,30 @@ class TestIos(TestRevPiModIO):
self.assertEqual(rpi.device[65]._ba_devdata[32:38], b"\x20\x00\x00\x00\x00\x00")
rpi.io.OutBit_48.value = True
self.assertEqual(rpi.device[65]._ba_devdata[32:38], b"\x20\x00\x00\x00\x00\x80")
def test_get_switching_cycles(self):
rpi = self.modio(configrsc="config_ro_multi.rsc")
self.assertEqual(rpi.io.RelayOutput_1.get_switching_cycles(), 0)
self.assertEqual(rpi.io.RelayOutput_2.get_switching_cycles(), 0)
self.assertEqual(rpi.io.RelayOutput_3.get_switching_cycles(), 0)
self.assertEqual(rpi.io.RelayOutput_4.get_switching_cycles(), 0)
# This will use ioctl calls
rpi._run_on_pi = True
with self.assertWarnsRegex(RuntimeWarning, r"'rocounter' and count \d"):
self.assertEqual(rpi.io.RelayOutput_1.get_switching_cycles(), -1)
self.assertEqual(rpi.io.RelayOutput_2.get_switching_cycles(), -1)
self.assertEqual(rpi.io.RelayOutput_3.get_switching_cycles(), -1)
self.assertEqual(rpi.io.RelayOutput_4.get_switching_cycles(), -1)
self.assertEqual(rpi.ioerrors, 4)
rpi = self.modio(configrsc="config_ro_single.rsc")
self.assertEqual(rpi.io.RelayOutputs.get_switching_cycles(), (0, 0, 0, 0))
# This will use ioctl calls
rpi._run_on_pi = True
with self.assertWarnsRegex(RuntimeWarning, r"'rocounter' and count \d"):
self.assertEqual(rpi.io.RelayOutputs.get_switching_cycles(), (-1, -1, -1, -1))
self.assertEqual(rpi.ioerrors, 1)