def test_ActivityPolicy_verifies_for_appropriate_probabilities(mocker):
mocker.patch.object(probability_samplers, 'verify_probability')
policies.ActivityPolicy(modifiers.RemoveActivity(['']), 0.5)
probability_samplers.verify_probability.assert_called_once_with(
0.5, (probability_samplers.HouseholdProbability,
probability_samplers.PersonProbability))
def test_attribute_based_remove_activity_policy_removes_all_matching_activities_from_strictly_relevant_people(
home_education_home_university_student):
household = instantiate_household_with(
[home_education_home_university_student])
def age_condition_over_17(attribute_value):
return attribute_value > 17
def job_condition_education(attribute_value):
return attribute_value == 'education'
assert_correct_activities(
person=household.people[1],
ordered_activities_list=['home', 'education', 'home'])
assert age_condition_over_17(household.people[1].attributes['age'])
assert job_condition_education(household.people[1].attributes['job'])
policy_remove_higher_education = policies.ActivityPolicy(
modifiers.RemoveActivity(['education']),
probability_samplers.ActivityProbability(['education'], 1),
filters.PersonAttributeFilter(conditions={
'age': age_condition_over_17,
'job': job_condition_education
},
how='all'))
policy_remove_higher_education.apply_to(household)
assert_correct_activities(person=household.people[1],
ordered_activities_list=['home'])
def __init__(self,
activities: list,
probability: Union[float, int,
probability_samplers.SamplingProbability],
attribute_filter: filters.Filter = None):
super().__init__(modifiers.RemoveActivity(activities), probability,
attribute_filter)
def test_attribute_based_remove_activity_policy_does_not_remove_matching_activities_from_non_strictly_irrelevant_people(
home_education_home_university_student):
household = instantiate_household_with(
[home_education_home_university_student])
def age_condition_under_0(attribute_value):
return attribute_value < 0
def job_condition_wasevrrr(attribute_value):
return attribute_value == 'wasevrrr'
assert_correct_activities(
person=household.people['1'],
ordered_activities_list=['home', 'education', 'home'])
assert not age_condition_under_0(household.people['1'].attributes['age'])
assert not job_condition_wasevrrr(household.people['1'].attributes['job'])
policy_remove_higher_education = policies.ActivityPolicy(
modifiers.RemoveActivity(['education']),
probability_samplers.ActivityProbability(['education'], 1),
filters.PersonAttributeFilter(conditions={
'age': age_condition_under_0,
'job': job_condition_wasevrrr
},
how='any'))
policy_remove_higher_education.apply_to(household)
assert_correct_activities(
person=household.people['1'],
ordered_activities_list=['home', 'education', 'home'])
def test_remove_person_activities_delegates_to_remove_activities_for_Bobbys_activities(
mocker, Bobby):
mocker.patch.object(modifiers.RemoveActivity, 'remove_activities')
policy = modifiers.RemoveActivity([''])
policy.remove_person_activities(Bobby)
modifiers.RemoveActivity.remove_activities.assert_called_once()
def test_remove_household_activities_delegates_to_remove_person_activities_for_persons_in_household(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
policy = modifiers.RemoveActivity([''])
policy.remove_household_activities(SmithHousehold)
assert modifiers.RemoveActivity.remove_person_activities.call_count == 4
def test_RemoveActivity_apply_to_delegates_to_remove_person_activities_when_given_person(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
policy = modifiers.RemoveActivity([''])
policy.apply_to(SmithHousehold, SmithHousehold[4])
modifiers.RemoveActivity.remove_person_activities.assert_called_once_with(
SmithHousehold[4])
def test_remove_activities_removes_Bobbys_education(Bobby):
policy = modifiers.RemoveActivity(['education'])
def fnc(act):
return True
policy.remove_activities(Bobby, fnc)
assert_correct_activities(Bobby, ['home'])
def test_HouseholdPolicy_does_nothing_if_not_selected_for_single_probability(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
mocker.patch.object(random, 'random', return_value=0.7)
policy = policies.HouseholdPolicy(modifiers.RemoveActivity(['']), 0.5)
household = SmithHousehold
policy.apply_to(household)
assert not modifiers.RemoveActivity.apply_to.called, 'method should not have been called'
def test_HouseholdPolicy_apply_to_delegates_to_modifier_policy_apply_to_for_list_of_probabilities(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
policy = policies.HouseholdPolicy(modifiers.RemoveActivity(
['']), [1., probability_samplers.SimpleProbability(1.)])
household = SmithHousehold
policy.apply_to(household)
modifiers.RemoveActivity.apply_to.assert_called_once_with(household)
def test_ActivityPolicy_does_nothing_if_not_selected_for_list_of_probabilities(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
mocker.patch.object(random, 'random', return_value=0.7)
policy = policies.ActivityPolicy(modifiers.RemoveActivity(
['']), [0.5, probability_samplers.SimpleProbability(0.5)])
household = SmithHousehold
policy.apply_to(household)
assert not modifiers.RemoveActivity.apply_to.called, 'method should not have been called'
def test_home_education_home_removal_of_education_act(
person_home_education_home):
household = instantiate_household_with([person_home_education_home])
assert_correct_activities(
person=household.people['1'],
ordered_activities_list=['home', 'education', 'home'])
policy = policies.ActivityPolicy(
modifiers.RemoveActivity(activities=['education']), 1)
policy.apply_to(household)
assert_correct_activities(person=household.people['1'],
ordered_activities_list=['home'])
def test_person_policy_with_activity_based_probability_with_a_satisfied_person_attribute(
SmithHousehold, mocker):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
mocker.patch.object(random, 'random', side_effect=[0] + [1] * 11)
household = SmithHousehold
# i.e. First of Steve's work activities is affected and affects all listed activities for just Steve
def discrete_sampler(obj, mapping, distribution):
p = distribution
for key in mapping:
value = obj.attributes.get(key)
if value is None:
raise KeyError(
f"Cannot find mapping: {key} in sampling features: {obj.attributes}"
)
p = p.get(value)
if p is None:
raise KeyError(
f"Cannot find feature for {key}: {value} in distribution: {p}"
)
return p
age_mapping = ['age']
below_20 = [i for i in range(21)]
above_20 = [i for i in range(21, 101)]
age_distribution = {
**dict(zip(below_20, [0] * len(below_20))),
**dict(zip(above_20, [1] * len(above_20)))
}
people_satisfying_age_condition_over_20 = 0
for pid, person in household.people.items():
people_satisfying_age_condition_over_20 += discrete_sampler(
person, age_mapping, age_distribution)
assert people_satisfying_age_condition_over_20 == 2
policy = policies.PersonPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']), [
probability_samplers.ActivityProbability(
['education', 'escort', 'leisure', 'shop', 'work'], 0.5),
probability_samplers.PersonProbability(
discrete_sampler, {
'mapping': age_mapping,
'distribution': age_distribution
})
])
policy.apply_to(household)
steve = household.people['1']
modifiers.RemoveActivity.remove_person_activities.assert_called_once_with(
steve)
def test_PersonPolicy_apply_to_delegates_to_modifier_policy_apply_to_for_single_probability(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
mocker.patch.object(probability_samplers.SimpleProbability,
'sample',
return_value=True)
policy = policies.PersonPolicy(modifiers.RemoveActivity(['']),
probability_samplers.SimpleProbability(1.))
household = SmithHousehold
policy.apply_to(household)
assert modifiers.RemoveActivity.apply_to.call_count == 4
def test_person_policy_with_person_based_probability(mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
mocker.patch.object(random, 'random', side_effect=[1, 1, 1, 0])
household = SmithHousehold
# i.e. Bobby is affected and his activities are the only one affected in household
policy = policies.PersonPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']),
probability_samplers.PersonProbability(0.5))
bobby = household.people['4']
policy.apply_to(household)
modifiers.RemoveActivity.remove_person_activities.assert_called_once_with(
bobby)
def test_HouseholdPolicy_does_nothing_if_attribute_filter_condition_not_satisfied(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
mocker.patch.object(filters.Filter,
'satisfies_conditions',
return_value=False)
policy = policies.HouseholdPolicy(modifiers.RemoveActivity(['']), 0.5,
filters.Filter())
household = SmithHousehold
policy.apply_to(household)
assert not modifiers.RemoveActivity.apply_to.called, 'method should not have been called'
def test_ActivityPolicy_apply_to_delegates_to_modifier_policy_apply_to_for_list_of_probabilities(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'apply_to')
mocker.patch.object(probability_samplers.SimpleProbability,
'p',
return_value=1)
policy = policies.ActivityPolicy(modifiers.RemoveActivity(
['']), [1., probability_samplers.SimpleProbability(1.)])
household = SmithHousehold
policy.apply_to(household)
assert modifiers.RemoveActivity.apply_to.call_count == 4
def test_household_policy_with_person_based_probability(
SmithHousehold, mocker):
mocker.patch.object(modifiers.RemoveActivity,
'remove_household_activities')
mocker.patch.object(random, 'random', side_effect=[0.06249])
household = SmithHousehold
# i.e. Bobby is affected and affects activities on household level
policy = policies.HouseholdPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']),
probability_samplers.PersonProbability(0.5))
policy.apply_to(household)
modifiers.RemoveActivity.remove_household_activities.assert_called_once_with(
household)
def test_person_policy_with_activity_based_probability(SmithHousehold, mocker):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
mocker.patch.object(random, 'random', side_effect=[0] + [1] * 11)
household = SmithHousehold
# i.e. First of Steve's work activities is affected and affects all listed activities for just Steve
policy = policies.PersonPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']),
probability_samplers.ActivityProbability(
['education', 'escort', 'leisure', 'shop', 'work'], 0.5))
policy.apply_to(household)
steve = household.people['1']
modifiers.RemoveActivity.remove_person_activities.assert_called_once_with(
steve)
def test_evaluate_activity_policy_selects_steve_for_individual_activity_removal(
mocker, SmithHousehold):
mocker.patch.object(random, 'random', side_effect=[1] + [0] + [1] * 18)
household = SmithHousehold
steve = household.people['1']
hilda = household.people['2']
timmy = household.people['3']
bobby = household.people['4']
assert_correct_activities(
person=steve,
ordered_activities_list=['home', 'work', 'leisure', 'work', 'home'])
assert_correct_activities(person=hilda,
ordered_activities_list=[
'home', 'escort_education', 'shop',
'leisure', 'escort_education', 'home'
])
assert_correct_activities(person=timmy,
ordered_activities_list=[
'home', 'education', 'shop', 'education',
'leisure', 'home'
])
assert_correct_activities(
person=bobby, ordered_activities_list=['home', 'education', 'home'])
# i.e. First of Steve's work activities is affected and only that activity is affected
policy = policies.ActivityPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']),
probability_samplers.ActivityProbability(
['education', 'escort', 'leisure', 'shop', 'work'], 0.5))
policy.apply_to(household)
assert_correct_activities(
person=steve,
ordered_activities_list=['home', 'leisure', 'work', 'home'])
assert_correct_activities(person=hilda,
ordered_activities_list=[
'home', 'escort_education', 'shop',
'leisure', 'escort_education', 'home'
])
assert_correct_activities(person=timmy,
ordered_activities_list=[
'home', 'education', 'shop', 'education',
'leisure', 'home'
])
assert_correct_activities(
person=bobby, ordered_activities_list=['home', 'education', 'home'])
def test_person_policy_with_person_based_probability_with_a_satisfied_person_attribute(
mocker, SmithHousehold):
mocker.patch.object(modifiers.RemoveActivity, 'remove_person_activities')
mocker.patch.object(random, 'random', side_effect=[1, 1, 1, 0])
household = SmithHousehold
# i.e. Bobby is affected and his activities are the only one affected in household
def discrete_sampler(obj, mapping, distribution):
p = distribution
for key in mapping:
value = obj.attributes.get(key)
if value is None:
raise KeyError(
f"Cannot find mapping: {key} in sampling features: {obj.attributes}"
)
p = p.get(value)
if p is None:
raise KeyError(
f"Cannot find feature for {key}: {value} in distribution: {p}"
)
return p
age_mapping = ['age']
below_10 = [i for i in range(11)]
above_10 = [i for i in range(11, 101)]
age_distribution = {
**dict(zip(below_10, [1] * len(below_10))),
**dict(zip(above_10, [0] * len(above_10)))
}
people_satisfying_age_condition_under_10 = 0
for pid, person in household.people.items():
people_satisfying_age_condition_under_10 += discrete_sampler(
person, age_mapping, age_distribution)
assert people_satisfying_age_condition_under_10 == 1
policy = policies.PersonPolicy(
modifiers.RemoveActivity(
['education', 'escort', 'leisure', 'shop', 'work']),
probability_samplers.PersonProbability(discrete_sampler, {
'mapping': age_mapping,
'distribution': age_distribution
}))
bobby = household.people['4']
policy.apply_to(household)
modifiers.RemoveActivity.remove_person_activities.assert_called_once_with(
bobby)
def test_remove_activity_policy_only_removes_individual_activities(
mocker, home_education_shop_education_home):
person = home_education_shop_education_home
assert_correct_activities(person=person,
ordered_activities_list=[
'home', 'education', 'shop', 'education',
'home'
])
act_to_remove = list(person.activities)[3]
policy_remove_education = modifiers.RemoveActivity(['education'])
policy_remove_education.remove_individual_activities(
person, [act_to_remove])
assert_correct_activities(
person=person,
ordered_activities_list=['home', 'education', 'shop', 'home'])
def test_is_activity_for_removal_activity_does_not_match_RemoveActivity_activities(
):
activity = Activity(act='other_activity')
policy_remove_activity = modifiers.RemoveActivity(['some_activity'])
assert not policy_remove_activity.is_activity_for_removal(activity)
def test_is_activity_for_removal_activity_matches_RemoveActivity_activities():
activity = Activity(act='some_activity')
policy_remove_activity = modifiers.RemoveActivity(['some_activity'])
assert policy_remove_activity.is_activity_for_removal(activity)
def test_RemoveActivity_throws_exception_if_apply_to_given_wrong_input(Bobby):
policy = modifiers.RemoveActivity([''])
with pytest.raises(TypeError) as e:
policy.apply_to(Bobby)
assert 'Types passed incorrectly: <class \'pam.core.Person\'>, <class \'NoneType\'>, <class \'NoneType\'>. You need <class \'type\'> at the very least.' \
in str(e.value)
def test_home_work_home_education_home_removal_of_education_act():
person = Person(1)
person.add(
Activity(seq=1,
act='home',
area='a',
start_time=mtdt(0),
end_time=mtdt(60)))
person.add(
Leg(seq=1,
mode='car',
start_area='a',
end_area='b',
start_time=mtdt(60),
end_time=mtdt(90)))
person.add(
Activity(seq=2,
act='work',
area='b',
start_time=mtdt(90),
end_time=mtdt(120)))
person.add(
Leg(seq=2,
mode='car',
start_area='b',
end_area='a',
start_time=mtdt(120),
end_time=mtdt(180)))
person.add(
Activity(seq=3,
act='home',
area='a',
start_time=mtdt(180),
end_time=mtdt(300)))
person.add(
Leg(seq=3,
mode='car',
start_area='a',
end_area='b',
start_time=mtdt(300),
end_time=mtdt(390)))
person.add(
Activity(seq=2,
act='education',
area='b',
start_time=mtdt(390),
end_time=mtdt(520)))
person.add(
Leg(seq=2,
mode='car',
start_area='b',
end_area='a',
start_time=mtdt(520),
end_time=mtdt(580)))
person.add(
Activity(seq=3,
act='home',
area='a',
start_time=mtdt(680),
end_time=END_OF_DAY))
household = instantiate_household_with([person])
assert_correct_activities(
person=household.people['1'],
ordered_activities_list=['home', 'work', 'home', 'education', 'home'])
policy = policies.ActivityPolicy(
modifiers.RemoveActivity(activities=['education']), 1)
policy.apply_to(household)
assert_correct_activities(person=household.people['1'],
ordered_activities_list=['home', 'work', 'home'])
