def test_aGoalOrDecomposedWithTwoTasksMayNotBeAchievable():
goal = Goal(Decomposition.OR, "Root")
task1 = Task("T1")
task2 = Task("T2")
current = Context("C1")
fullContext = []
fullContext.append(current)
qc = QualityConstraint(current, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
task1.addApplicableContext(current)
task1.setProvidedQuality(current, CommonMetrics.SECONDS, 16)
task2.addApplicableContext(current)
task2.setProvidedQuality(current, CommonMetrics.SECONDS, 17)
goal.addDependency(task1)
goal.addDependency(task2)
goal.addApplicableContext(current)
interp = Interpretation()
interp.addQualityConstraint(qc)
plan = PragmaticPlanning().isAchievable(goal, fullContext, interp)
assert goal.decomposition is Decomposition.OR
assert plan is None
def test_shouldIncludeNonApplicableContexts():
goal = Pragmatic(False, "Root")
task = Task("T1")
context = Context("C1")
wrongContext = Context("C2")
current = []
qc = QualityConstraint(context, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
task.addApplicableContext(context)
task.setProvidedQuality(context, CommonMetrics.SECONDS, 13)
goal.addDependency(task)
goal.addNonapplicableContext(wrongContext)
goal.interp.addQualityConstraint(qc)
interp = Interpretation()
interp.addQualityConstraint(qc)
current.append(wrongContext)
assert PragmaticPlanning().isAchievable(goal, current, interp) is None
current.append(context)
assert PragmaticPlanning().isAchievable(goal, current, interp) is None
current.remove(wrongContext)
assert PragmaticPlanning().isAchievable(goal, current, interp)
assert PragmaticPlanning().isAchievable(goal, current, interp).getTasks()
assert 1 == len(goal.isAchievable(current, interp).getTasks())
def test_ApplicableDeps():
goal = Pragmatic(Decomposition.AND, "Root")
task = Task("T1")
context = Context("C1")
wrongContext = Context("C2")
qc = QualityConstraint(context, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
task.addApplicableContext(context)
task.setProvidedQuality(context, CommonMetrics.SECONDS, 13)
goal.addDependency(task)
goal.addApplicableContext(context)
goal.interp.addQualityConstraint(qc)
interp = Interpretation()
interp.addQualityConstraint(qc)
current = []
current.append(wrongContext)
assert PragmaticPlanning().isAchievable(goal, current, interp) is None
current.append(context)
assert len(goal.isAchievable(current, interp).getTasks()) == 1
def test_abidesByInterpretation_only_baseline_not_passing(mpers):
locationIsIdentifiedGoal = mpers.goals.locationIsIdentifiedGoal
context = []
LongSecondsTask = Task("LongSecondsTask")
LongSecondsTask.setProvidedQuality(None, MpersMetrics.SECONDS, 1500)
result = PragmaticPlanning().abidesByInterpretation(
LongSecondsTask, locationIsIdentifiedGoal.interp, context)
assert result == False
def test_OnlyBaselineDefined():
task = Task("T1")
baseline = Context(None)
fullContext = []
fullContext.append(baseline)
task.setProvidedQuality(baseline, MpersMetrics.METERS, 50.0)
assert 50.0 == PragmaticPlanning().myProvidedQuality(
task, MpersMetrics.METERS, fullContext)
def text_shouldProvideMetricForBaseline():
task = Task("t1")
current = Context("C1")
fullContext = []
fullContext.append(current)
task.setProvidedQuality(None, MpersMetrics.METERS, 30.0)
assert 30.0 == PragmaticPlanning().myProvidedQuality(
task, MpersMetrics.METERS, fullContext)
def metricNotFound():
task = Task("T1")
currentContext = Context("C1")
fullContext = []
fullContext.append(currentContext)
task.setProvidedQuality(currentContext, MpersMetrics.METERS, 30.0)
result = PragmaticPlanning().myProvidedQuality(task, MpersMetrics.SECONDS,
fullContext)
assert result is None
def test_shouldProvideCorrectValueForMetric():
task = Task("T1")
currentContext = Context("C1")
fullContext = []
fullContext.append(currentContext)
task.setProvidedQuality(currentContext, MpersMetrics.METERS, 30)
assert 30 == PragmaticPlanning().myProvidedQuality(task,
MpersMetrics.METERS,
fullContext)
def test_shouldProvideSpecificContextMetric():
task = Task("T2")
currentContext = Context("C1")
baseline = None
fullContext = []
fullContext.append(currentContext)
fullContext.append(baseline)
task.setProvidedQuality(currentContext, MpersMetrics.METERS, 50)
task.setProvidedQuality(baseline, MpersMetrics.METERS, 30)
assert 50 == PragmaticPlanning().myProvidedQuality(task,
MpersMetrics.METERS,
fullContext)
def aTaskMayNotBeAchievable():
task = Task("T1")
current = Context("C1")
fullContext = []
fullContext.append(current)
qc = QualityConstraint(current, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
task.addApplicableContext(current)
task.setProvidedQuality(current, CommonMetrics.SECONDS, 16)
interp = Interpretation()
interp.addQualityConstraint(qc)
assert PragmaticPlanning().isAchievable(task, fullContext, interp) is None
def test_aTaskShouldBeAchievable():
task = Task("T1")
currentContext = Context("C1")
fullContext = []
fullContext.append(currentContext)
qc = QualityConstraint(currentContext, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
task.addApplicableContext(currentContext)
task.setProvidedQuality(currentContext, CommonMetrics.SECONDS, 12)
interp = Interpretation()
interp.addQualityConstraint(qc)
assert task in PragmaticPlanning().isAchievableTask(
task, fullContext, interp).getTasks()
def test_getApplicableQC():
goal = Pragmatic(Decomposition.AND, "Root")
task = Task("T1")
context = Context("C1")
anotherContext = Context("C2")
fullContext = []
qc = QualityConstraint(context, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
stricter = QualityConstraint(anotherContext, CommonMetrics.SECONDS, 10,
Comparison.LESS_OR_EQUAL_TO)
task.setProvidedQuality(context, CommonMetrics.SECONDS, 13)
goal.addDependency(task)
goal.addApplicableContext(context)
goal.interp.addQualityConstraint(qc)
goal.interp.addQualityConstraint(stricter)
fullContext.append(context)
assert stricter not in goal.interp.getQualityConstraints(fullContext)
plan = PragmaticPlanning().isAchievable(goal, fullContext, goal.interp)
assert len(plan.getTasks()) == 1
fullContext.append(anotherContext)
assert qc in goal.interp.getQualityConstraints(fullContext)
assert stricter in goal.interp.getQualityConstraints(fullContext)
assert PragmaticPlanning().isAchievable(goal, fullContext,
goal.interp) is None
fullContext.remove(context)
assert qc not in goal.interp.getQualityConstraints(fullContext)
assert stricter in goal.interp.getQualityConstraints(fullContext)
def test_aGoalWithATaskMayBeAchievable():
goal = Goal(Decomposition.AND, "Root")
task = Task("T1")
current = Context("C1")
fullContext = []
fullContext.append(current)
qc = QualityConstraint(current, CommonMetrics.SECONDS, 15,
Comparison.LESS_OR_EQUAL_TO)
interp = Interpretation()
interp.addQualityConstraint(qc)
task.addApplicableContext(current)
task.setProvidedQuality(current, CommonMetrics.SECONDS, 13)
goal.addDependency(task)
goal.addApplicableContext(current)
plan = PragmaticPlanning().isAchievable(goal, fullContext, interp)
assert len(plan.getTasks()) == 1
