def setUp(self):
self.tree = RecordingTree()
self.calls = self.tree.calls
self.sensor1 = katcp.Sensor(int, "sensor1", "First sensor", "",
[0, 100])
self.sensor2 = katcp.Sensor(int, "sensor2", "Second sensor", "",
[0, 100])
self.sensor3 = katcp.Sensor(int, "sensor3", "Third sensor", "",
[0, 100])
def setup_sensors(self):
self._ping_counter = -1
self._pong_counter = -1
self.restarted = False
self.ping_sensor = katcp.Sensor(int, 'ping_counter', 'In', '', None)
self.add_sensor(self.ping_sensor)
self.pong_sensor = katcp.Sensor(int, 'pong_counter', 'Out', '', None)
self.add_sensor(self.pong_sensor)
self._inc_ping()
self._inc_pong()
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)
def make_sensors(number, stype, params=None):
"""Create a number of sensors of the same type."""
sensors = []
for i in range(number):
sensors.append(
katcp.Sensor(stype,
"sensor%d" % i,
"Boolean Sensor %d" % i,
"",
params=params))
return sensors
