def test_AtPass_after_end(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
comp.add_node(A)
sched = Scheduler(composition=comp)
sched.add_condition(A, AtPass(6))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AtPass(5)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [set(), set(), set(), set(), set()]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_two_ABB(self):
A = TransferMechanism(
name='A',
default_variable=[0],
function=Linear(slope=2.0),
)
B = IntegratorMechanism(name='B',
default_variable=[0],
function=SimpleIntegrator(rate=.5))
c = Composition(pathways=[A, B])
term_conds = {TimeScale.TRIAL: AfterNCalls(B, 2)}
stim_list = {A: [[1]]}
sched = Scheduler(composition=c)
sched.add_condition(A, Any(AtPass(0), AfterNCalls(B, 2)))
sched.add_condition(B, Any(JustRan(A), JustRan(B)))
c.scheduler = sched
c.run(inputs=stim_list, termination_processing=term_conds)
terminal_mech = B
expected_output = [
numpy.array([2.]),
]
for i in range(len(expected_output)):
numpy.testing.assert_allclose(
expected_output[i],
terminal_mech.get_output_values(c)[i])
def test_WhileNot_AtPass_in_middle(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
comp.add_node(A)
sched = Scheduler(composition=comp)
sched.add_condition(A, WhileNot(lambda sched: sched.clock.get_total_times_relative(TimeScale.PASS, TimeScale.TRIAL) == 2, sched))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AtPass(5)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, A, set(), A, A]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_AtTrialStart(self):
comp = Composition()
A = TransferMechanism(name='A')
B = TransferMechanism(name='B')
comp.add_linear_processing_pathway([A, B])
sched = Scheduler(composition=comp)
sched.add_condition(B, AtTrialStart())
termination_conds = {TimeScale.TRIAL: AtPass(3)}
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, B, A, A]
assert output == pytest.helpers.setify_expected_output(
expected_output)
def test_All_end_after_one_finished(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
for m in [A]:
comp.add_node(m)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = Any(AfterNCalls(A, 5), AtPass(10))
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A for _ in range(5)]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_AfterCall(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
B = TransferMechanism(function=Linear(intercept=4.0), name='B')
for m in [A, B]:
comp.add_node(m)
sched = Scheduler(composition=comp)
sched.add_condition(B, AfterCall(A, 3))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AtPass(5)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, A, A, set([A, B]), set([A, B])]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_AfterTrial(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
comp.add_node(A)
sched = Scheduler(composition=comp)
sched.add_condition(A, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterTrial(4)
termination_conds[TimeScale.TRIAL] = AtPass(1)
comp.run(
inputs={A: range(6)},
scheduler=sched,
termination_processing=termination_conds
)
output = sched.execution_list[comp.default_execution_id]
expected_output = [A, A, A, A, A]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_BeforeTimeStep_2(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
B = TransferMechanism(name='B')
comp.add_node(A)
comp.add_node(B)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(A, BeforeTimeStep(2))
sched.add_condition(B, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AtPass(5)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, B, B, B, B, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_linear_ABB(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
for m in [A, B]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(A, Any(AtPass(0), EveryNCalls(B, 2)))
sched.add_condition(B, Any(EveryNCalls(A, 1), EveryNCalls(B, 1)))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(B, 8, time_scale=TimeScale.TRIAL)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, B, B, A, B, B, A, B, B, A, B, B]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_9b(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='scheduler-pytests-A')
A._is_finished = False
B = TransferMechanism(function=Linear(intercept=4.0), name='scheduler-pytests-B')
for m in [A, B]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(A, EveryNPasses(1))
sched.add_condition(B, WhenFinished(A))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AtPass(5)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, A, A, A, A]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_AtPass_underconstrained(self):
comp = Composition()
A = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A')
B = TransferMechanism(function=Linear(intercept=4.0), name='B')
C = TransferMechanism(function=Linear(intercept=1.5), name='C')
for m in [A, B, C]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), B, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, AtPass(0))
sched.add_condition(B, Always())
sched.add_condition(C, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(C, 2)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A, B, C, B, C]
assert output == pytest.helpers.setify_expected_output(expected_output)