class TestPseudoDevice(unittest.TestCase):
"""Fictitious device used for testing framework without actual hardware"""
def setUp(self):
self.device = PseudoDevice(port=4)
def test_instantiate_with_args(self):
"""Setup keyword argument appears as instance attribute"""
assert self.device.port == 4
def test_device_type(self):
"""Inherited 'type' method works on subclasses"""
assert self.device.getDeviceType() == "PseudoDevice"
def test_command_list(self):
"""Public callables exposed using zope.interface mechanism"""
known_commands = ['getCommandList', 'getDeviceType', 'getState', 'setState',
'delay', 'getParameter', 'setParameter', 'raiseException']
known_commands.sort()
found_commands = self.device.getCommandList()
found_commands.sort()
self.assertEqual(known_commands, found_commands)
def test_parameter(self):
"""Store and retrieve parameter value"""
pi = 3.1415926
self.device.setParameter(pi)
self.assertAlmostEqual(self.device.getParameter(), pi)
def test_raiseexception(self):
"""Raise an arbitrary Python exception"""
try:
self.device.raiseException()
except DeviceError:
return
self.fail("Failed to raise expected exception")
def setUp(self):
self.device = PseudoDevice(port=4)
