def test_checkmark_1(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')
C = TransferMechanism(function=Linear(intercept=1.5), name='scheduler-pytests-C')
D = TransferMechanism(function=Linear(intercept=.5), name='scheduler-pytests-D')
for m in [A, B, C, D]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A, B)
comp.add_projection(MappingProjection(), B, D)
comp.add_projection(MappingProjection(), C, D)
sched = Scheduler(composition=comp)
sched.add_condition(A, Always())
sched.add_condition(B, Always())
sched.add_condition(C, Always())
sched.add_condition(D, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(D, 1, time_scale=TimeScale.TRIAL)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
set([A, C]), B, D
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def test_WhenFinishedAll_noargs(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)
m.is_finished_flag = False
comp.add_projection(MappingProjection(), A, C)
comp.add_projection(MappingProjection(), B, C)
sched = Scheduler(composition=comp)
sched.add_condition(A, Always())
sched.add_condition(B, Always())
sched.add_condition(C, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = WhenFinishedAll()
output = []
i = 0
for step in sched.run(termination_conds=termination_conds):
if i == 3:
A.is_finished_flag = True
B.is_finished_flag = True
if i == 4:
C.is_finished_flag = True
output.append(step)
i += 1
expected_output = [
set([A, B]), C, set([A, B]), C, set([A, B]),
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def _validate_conditions(self):
unspecified_nodes = []
for node in self.nodes:
if node not in self.conditions:
# determine parent nodes
node_index = 0
for i in range(len(self.consideration_queue)):
if node in self.consideration_queue[i]:
node_index = i
break
if node_index > 0:
dependencies = list(self.consideration_queue[i - 1])
if len(dependencies) == 1:
cond = EveryNCalls(dependencies[0], 1)
elif len(dependencies) > 1:
cond = All(*[EveryNCalls(x, 1) for x in dependencies])
else:
raise SchedulerError(
f'{self}: Empty consideration set in consideration_queue[{i - 1}]'
)
else:
cond = Always()
self.conditions.add_condition(node, cond)
unspecified_nodes.append(node)
if len(unspecified_nodes) > 0:
logger.info(
'These nodes have no Conditions specified, and will be scheduled with conditions: {0}'
.format({
node: self.conditions[node]
for node in unspecified_nodes
}))
def test_multisource_1(self):
comp = Composition()
A1 = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A1')
A2 = TransferMechanism(function=Linear(slope=5.0, intercept=2.0), name='A2')
B1 = TransferMechanism(function=Linear(intercept=4.0), name='B1')
B2 = TransferMechanism(function=Linear(intercept=4.0), name='B2')
B3 = TransferMechanism(function=Linear(intercept=4.0), name='B3')
C1 = TransferMechanism(function=Linear(intercept=1.5), name='C1')
C2 = TransferMechanism(function=Linear(intercept=.5), name='C2')
for m in [A1, A2, B1, B2, B3, C1, C2]:
comp.add_node(m)
comp.add_projection(MappingProjection(), A1, B1)
comp.add_projection(MappingProjection(), A1, B2)
comp.add_projection(MappingProjection(), A2, B1)
comp.add_projection(MappingProjection(), A2, B2)
comp.add_projection(MappingProjection(), A2, B3)
comp.add_projection(MappingProjection(), B1, C1)
comp.add_projection(MappingProjection(), B2, C1)
comp.add_projection(MappingProjection(), B1, C2)
comp.add_projection(MappingProjection(), B3, C2)
sched = Scheduler(composition=comp)
for m in comp.nodes:
sched.add_condition(m, Always())
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = All(AfterNCalls(C1, 1), AfterNCalls(C2, 1))
output = list(sched.run(termination_conds=termination_conds))
expected_output = [
set([A1, A2]), set([B1, B2, B3]), set([C1, C2])
]
assert output == pytest.helpers.setify_expected_output(expected_output)
def _validate_condition_set(self):
unspecified_nodes = []
for node in self.nodes:
if node not in self.condition_set:
self.condition_set.add_condition(node, Always())
unspecified_nodes.append(node)
if len(unspecified_nodes) > 0:
logger.info(
'These nodes have no Conditions specified, and will be scheduled with condition Always: {0}'
.format(unspecified_nodes))
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)
def test_AfterNCalls(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(A, Always())
sched.add_condition(B, AfterNCalls(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, set([A, B]), 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_NWhen_AfterNCalls(self, n, expected_output):
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)
comp.add_projection(MappingProjection(), A, B)
sched = Scheduler(composition=comp)
sched.add_condition(A, Always())
sched.add_condition(B, NWhen(AfterNCalls(A, 3), n))
termination_conds = {}
termination_conds[TimeScale.RUN] = AfterNTrials(1)
termination_conds[TimeScale.TRIAL] = AfterNCalls(A, 6)
output = list(sched.run(termination_conds=termination_conds))
expected_output = [A if x == 'A' else B for x in expected_output]
assert output == pytest.helpers.setify_expected_output(expected_output)
def _validate_conditions(self):
unspecified_nodes = []
for node in self.nodes:
if node not in self.conditions:
dependencies = list(self.dependency_dict[node])
if len(dependencies) == 0:
cond = Always()
elif len(dependencies) == 1:
cond = EveryNCalls(dependencies[0], 1)
else:
cond = All(*[EveryNCalls(x, 1) for x in dependencies])
self.conditions.add_condition(node, cond)
unspecified_nodes.append(node)
if len(unspecified_nodes) > 0:
logger.info(
'These nodes have no Conditions specified, and will be scheduled with conditions: {0}'
.format({
node: self.conditions[node]
for node in unspecified_nodes
}))