def test_value_default(self):
     del self.params['key']
     value = ServiceCheck._value(self.params, 'key')
     self.assertEqual(value, 'defval')
 def test_no_default(self):
     value = ServiceCheck._value(self.params, 'unknownkey')
     self.assertIsNone(value)
 def test_value(self):
     value = ServiceCheck._value(self.params, 'key')
     self.assertEqual(value, 'val')