def test_set_and_get_value(self):
"""Test getting and setting a sensor value."""
s = DeviceTestSensor(
katcp.Sensor.INTEGER, "an.int", "An integer.", "count",
[-4, 3],
timestamp=12345, status=katcp.Sensor.NOMINAL, value=3
)
self.assertEqual(s.value(), 3)
s.set_value(2)
self.assertEqual(s.value(), 2)
s.set_value(3, timestamp=12345)
self.assertEqual(s.read(), (12345, katcp.Sensor.NOMINAL, 3))
self.assertRaises(ValueError, s.set_value, 5)
def test_float_sensor(self):
"""Test float sensor."""
s = DeviceTestSensor(
katcp.Sensor.FLOAT, "a.float", "A float.", "power",
[0.0, 5.0],
timestamp=12345, status=katcp.Sensor.WARN, value=3.0
)
self.assertEqual(s.read_formatted(), ("12345000", "warn", "3"))
self.assertEquals(s.parse_value("3"), 3.0)
self.assertRaises(ValueError, s.parse_value, "10")
self.assertRaises(ValueError, s.parse_value, "-10")
self.assertRaises(ValueError, s.parse_value, "asd")
s = katcp.Sensor(katcp.Sensor.FLOAT, "a.float", "A float.", "", [-20.0, 20.0])
self.assertEquals(s.value(), 0.0)
s = katcp.Sensor(katcp.Sensor.FLOAT, "a.float", "A float.", "", [2.0, 20.0])
self.assertEquals(s.value(), 2.0)
s = katcp.Sensor(katcp.Sensor.FLOAT, "a.float", "A float.", "", [2.0, 20.0], default=5.0)
self.assertEquals(s.value(), 5.0)
def test_int_sensor(self):
"""Test integer sensor."""
s = DeviceTestSensor(
katcp.Sensor.INTEGER, "an.int", "An integer.", "count",
[-4, 3],
timestamp=12345, status=katcp.Sensor.NOMINAL, value=3
)
self.assertEqual(s.read_formatted(), ("12345000", "nominal", "3"))
self.assertEquals(s.parse_value("3"), 3)
self.assertRaises(ValueError, s.parse_value, "4")
self.assertRaises(ValueError, s.parse_value, "-10")
self.assertRaises(ValueError, s.parse_value, "asd")
s = katcp.Sensor(katcp.Sensor.INTEGER, "an.int", "An integer.", "count", [-20, 20])
self.assertEquals(s.value(), 0)
s = katcp.Sensor(katcp.Sensor.INTEGER, "an.int", "An integer.", "count", [2, 20])
self.assertEquals(s.value(), 2)
s = katcp.Sensor(katcp.Sensor.INTEGER, "an.int", "An integer.", "count", [2, 20], default=5)
self.assertEquals(s.value(), 5)
