def test_SequentialProperty_dependence_on_SequentialProperty(self):
def steady_increase(previous_value):
return previous_value + 1
P1 = properties.SequentialProperty(steady_increase, initializer=1)
def geometric_increase(previous_value, step_length):
return previous_value + step_length
P2 = properties.SequentialProperty(geometric_increase, initializer=1)
P2.update(sequence_length=5, step_length=P1)
self.assertEqual(P2.current_value, [3, 6, 10, 15, 21])
def test_SequentialProperty_dependence_on_SequentialProperty(self):
def steady_increase(previous_value=None):
return previous_value + 1
P1 = properties.SequentialProperty(steady_increase, initializer=0)
def geometric_increase(previous_value=None, step_length=None):
return previous_value + step_length
P2 = properties.SequentialProperty(geometric_increase, initializer=0)
P2.has_updated_since_last_resolve = False
P2.update(sequence_length=5, step_length=P1)
self.assertEqual(P2.current_value, [0, 1, 3, 6, 10])
def test_SequentialProperty_timedependent(self):
def steady_increase(previous_value):
return previous_value + 1
sampling_rule = steady_increase
P = properties.SequentialProperty(sampling_rule, initializer=2)
P.update(sequence_length=5)
self.assertEqual(P.current_value, [3, 4, 5, 6, 7])
def test_SequentialProperty_timedependent(self):
def steady_increase(previous_value=None):
return previous_value + 1
sampling_rule = steady_increase
P = properties.SequentialProperty(sampling_rule, initializer=0)
P.has_updated_since_last_resolve = False
P.update(sequence_length=5)
self.assertEqual(P.current_value, [0, 1, 2, 3, 4])
def test_SequentialProperty_Constant(self):
sampling_rule = 1
P = properties.SequentialProperty(sampling_rule, initializer=0)
P.update(sequence_length=10)
self.assertEqual(P.current_value, [1, 1, 1, 1, 1, 1, 1, 1, 1, 1])