def point_test():
"""Do test with Point object and its parser."""
from vivid.classes.point import Point
point = Attribute('point', [Point('x', 'x', 'x', 'x')])
r_is_on = Relation('R1(h1, h2, h3) <=> is_on(h1, h2, h3)',
['point', 'point', 'point'], 1)
r_not_same_point = Relation('R2(h1, h2) <=> not_same_point(h1, h2)',
['point', 'point'], 2)
r_clocks_unequal = Relation('R3(h1, h2) <=> clocks_unequal(h1, h2)',
['point', 'point'], 3)
r_can_observe = Relation(
'R4(p, sp_loc, wls, wle) <=> can_observe(p, sp_loc, wls, wle)',
['point', 'point', 'point', 'point'], 4)
attribute_structure = AttributeStructure(
point, r_is_on, r_not_same_point, r_clocks_unequal, r_can_observe)
rs_is_on = RelationSymbol('IS_ON', 3)
rs_not_same_point = RelationSymbol('NOT_SAME_POINT', 2)
rs_clocks_unequal = RelationSymbol('CLOCKS_UNEQUAL', 2)
rs_can_observe = RelationSymbol('CAN_OBSERVE', 4)
vocabulary = Vocabulary(['P1', 'P2', 'P3', 'P4', 'P5'],
[rs_is_on, rs_not_same_point,
rs_clocks_unequal, rs_can_observe],
[])
profiles = [
[rs_is_on, ('point', 1), ('point', 2), ('point', 3)],
[rs_not_same_point, ('point', 1), ('point', 2)],
[rs_clocks_unequal, ('point', 1), ('point', 2)],
[rs_can_observe,
('point', 1), ('point', 2), ('point', 3), ('point', 4)]]
mapping = {rs_is_on: 1, rs_not_same_point: 2, rs_clocks_unequal: 3,
rs_can_observe: 4}
attribute_interpretation = AttributeInterpretation(vocabulary,
attribute_structure,
mapping,
profiles)
objects = ['p1', 'p2', 'p3', 'p4', 'p5']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(vocabulary, attribute_system,
{'P1': 'p1', 'P2': 'p2', 'P3': 'p3', 'P4': 'p4',
'P5': 'p5'})
world = NamedState(attribute_system, p, {
('point', 'p1'): [Point(1.5, 1.5, 1.5, 1.5)],
('point', 'p2'): [Point(2.0, 2.0, 2.0, 2.0)],
('point', 'p3'): [Point(1.0, 1.0, 1.0, 1.0)],
('point', 'p4'): [Point(3.0, 3.0, 3.0, 3.0)]})
f1 = Formula(vocabulary, 'IS_ON', 'P1', 'P3', 'P4')
f2 = Formula(vocabulary, 'NOT_SAME_POINT', 'P1', 'P2')
f3 = Formula(vocabulary, 'CLOCKS_UNEQUAL', 'P1', 'P2')
f4 = Formula(vocabulary, 'CAN_OBSERVE', 'P1', 'P2', 'P3', 'P4')
VA = VariableAssignment(vocabulary, attribute_system, {}, dummy=True)
assumption_base = AssumptionBase(f2, f3, f4)
context = Context(assumption_base, world)
# Whenever we can observe a Point, we're either at that point or on
# same worldline so IS_ON should hold
assert context.entails_formula(f1, attribute_interpretation)
# We always entail our own formulae
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
assert context.entails_formula(f4, attribute_interpretation)
def point_test():
"""Do test with Point object and its parser."""
from vivid.classes.point import Point
point = Attribute('point', [Point('x', 'x', 'x', 'x')])
r_is_on = Relation('R1(h1, h2, h3) <=> is_on(h1, h2, h3)',
['point', 'point', 'point'], 1)
r_not_same_point = Relation('R2(h1, h2) <=> not_same_point(h1, h2)',
['point', 'point'], 2)
r_clocks_unequal = Relation('R3(h1, h2) <=> clocks_unequal(h1, h2)',
['point', 'point'], 3)
r_can_observe = Relation(
'R4(p, sp_loc, wls, wle) <=> can_observe(p, sp_loc, wls, wle)',
['point', 'point', 'point', 'point'], 4)
attribute_structure = AttributeStructure(point, r_is_on,
r_not_same_point,
r_clocks_unequal,
r_can_observe)
rs_is_on = RelationSymbol('IS_ON', 3)
rs_not_same_point = RelationSymbol('NOT_SAME_POINT', 2)
rs_clocks_unequal = RelationSymbol('CLOCKS_UNEQUAL', 2)
rs_can_observe = RelationSymbol('CAN_OBSERVE', 4)
vocabulary = Vocabulary(
['P1', 'P2', 'P3', 'P4', 'P5'],
[rs_is_on, rs_not_same_point, rs_clocks_unequal, rs_can_observe],
[])
profiles = [[rs_is_on, ('point', 1), ('point', 2), ('point', 3)],
[rs_not_same_point, ('point', 1), ('point', 2)],
[rs_clocks_unequal, ('point', 1), ('point', 2)],
[
rs_can_observe, ('point', 1), ('point', 2),
('point', 3), ('point', 4)
]]
mapping = {
rs_is_on: 1,
rs_not_same_point: 2,
rs_clocks_unequal: 3,
rs_can_observe: 4
}
attribute_interpretation = AttributeInterpretation(
vocabulary, attribute_structure, mapping, profiles)
objects = ['p1', 'p2', 'p3', 'p4', 'p5']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(vocabulary, attribute_system, {
'P1': 'p1',
'P2': 'p2',
'P3': 'p3',
'P4': 'p4',
'P5': 'p5'
})
world = NamedState(
attribute_system, p, {
('point', 'p1'): [Point(1.5, 1.5, 1.5, 1.5)],
('point', 'p2'): [Point(2.0, 2.0, 2.0, 2.0)],
('point', 'p3'): [Point(1.0, 1.0, 1.0, 1.0)],
('point', 'p4'): [Point(3.0, 3.0, 3.0, 3.0)]
})
f1 = Formula(vocabulary, 'IS_ON', 'P1', 'P3', 'P4')
f2 = Formula(vocabulary, 'NOT_SAME_POINT', 'P1', 'P2')
f3 = Formula(vocabulary, 'CLOCKS_UNEQUAL', 'P1', 'P2')
f4 = Formula(vocabulary, 'CAN_OBSERVE', 'P1', 'P2', 'P3', 'P4')
VA = VariableAssignment(vocabulary, attribute_system, {}, dummy=True)
assumption_base = AssumptionBase(f2, f3, f4)
context = Context(assumption_base, world)
# Whenever we can observe a Point, we're either at that point or on
# same worldline so IS_ON should hold
assert context.entails_formula(f1, attribute_interpretation)
# We always entail our own formulae
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
assert context.entails_formula(f4, attribute_interpretation)
def standard_test():
"""Do test with standard parser."""
hour = Attribute('hour', [Interval(0, 23)])
minute = Attribute('minute', [Interval(0, 59)])
r_pm = Relation('R1(h1) <=> h1 > 11', ['hour'], 1)
r_am = Relation('R2(h1) <=> h1 <= 11', ['hour'], 2)
r_ahead = Relation(
'R3(h1,m1,hhh2,mm2) <=> h1 > hhh2 or (h1 = hhh2 and m1 > mm2)',
['hour', 'minute', 'hour', 'minute'], 3)
r_behind = Relation(
'R4(h1,m1,h2,m2) <=> h1 <= h2 or (h1 = h2 and m1 < m2)',
['hour', 'minute', 'hour', 'minute'], 4)
attribute_structure = AttributeStructure(
hour, minute, r_ahead, r_behind, r_pm, r_am)
rs_ahead = RelationSymbol('Ahead', 4)
rs_behind = RelationSymbol('Behind', 4)
rs_pm = RelationSymbol('PM', 1)
rs_am = RelationSymbol('AM', 1)
vocabulary = Vocabulary(
['C1', 'C2'], [rs_ahead, rs_behind, rs_pm, rs_am], ['V1', 'V2'])
objects = ['s1', 's2']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(
vocabulary, attribute_system, {'C1': 's1', 'C2': 's2'})
profiles = [
[rs_pm, ('hour', 1)],
[rs_am, ('hour', 1)],
[rs_behind, ('hour', 1), ('minute', 1), ('hour', 2), ('minute', 2)],
[rs_ahead, ('hour', 1), ('minute', 1), ('hour', 2), ('minute', 2)]]
attribute_interpretation = AttributeInterpretation(
vocabulary, attribute_structure,
{rs_pm: 1, rs_am: 2, rs_ahead: 3, rs_behind: 4}, profiles)
f1 = Formula(vocabulary, 'Ahead', 'C1', 'C2')
f2 = Formula(vocabulary, 'Behind', 'C2', 'C1')
f3 = Formula(vocabulary, 'PM', 'C1')
f4 = Formula(vocabulary, 'AM', 'C2')
assumption_base = AssumptionBase(f1, f3, f4)
named_state = NamedState(attribute_system, p, {
("hour", "s1"): [Interval(15, 17)],
("hour", "s2"): [11],
("minute", "s1"): [23],
("minute", "s2"): [23]})
context = Context(assumption_base, named_state)
assert context.entails_formula(f1, attribute_interpretation)
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
assert context.entails_formula(f4, attribute_interpretation)
vocabulary = Vocabulary(
['C1'], [rs_ahead, rs_behind, rs_pm, rs_am], ['V1', 'V2'])
objects = ['s1', 's2']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(
vocabulary, attribute_system, {'C1': 's1'})
profiles = [
[rs_pm, ('hour', 1)],
[rs_am, ('hour', 1)],
[rs_behind, ('hour', 1), ('minute', 1), ('hour', 2), ('minute', 2)],
[rs_ahead, ('hour', 1), ('minute', 1), ('hour', 2), ('minute', 2)]]
attribute_interpretation = AttributeInterpretation(
vocabulary, attribute_structure,
{rs_pm: 1, rs_am: 2, rs_ahead: 3, rs_behind: 4}, profiles)
f1 = Formula(vocabulary, 'Ahead', 'C1', 'V1')
f2 = Formula(vocabulary, 'PM', 'C1')
f3 = Formula(vocabulary, 'AM', 'V1')
f4 = Formula(vocabulary, 'AM', 'V2')
f5 = Formula(vocabulary, 'Behind', 'V1', 'C1')
assumption_base = AssumptionBase(f1)
named_state = NamedState(attribute_system, p, {
("hour", "s1"): [Interval(15, 17)],
("hour", "s2"): [11],
("minute", "s1"): [23],
("minute", "s2"): [23]})
context = Context(assumption_base, named_state)
assert context.entails_formula(f1, attribute_interpretation)
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
# assert not here as it does not hold for every variable assignment;
# e.g. the following configuration is valid but its truth value is unknown:
# profile: [('hour', 'V1')]
# CA{'C1': 's1'}
# VA{'V2': 's2'}, which means all terms are not defined
assert not context.entails_formula(f4, attribute_interpretation)
assert context.entails_formula(f5, attribute_interpretation)
def standard_test():
"""Do test with standard parser."""
hour = Attribute('hour', [Interval(0, 23)])
minute = Attribute('minute', [Interval(0, 59)])
r_pm = Relation('R1(h1) <=> h1 > 11', ['hour'], 1)
r_am = Relation('R2(h1) <=> h1 <= 11', ['hour'], 2)
r_ahead = Relation(
'R3(h1,m1,hhh2,mm2) <=> h1 > hhh2 or (h1 = hhh2 and m1 > mm2)',
['hour', 'minute', 'hour', 'minute'], 3)
r_behind = Relation(
'R4(h1,m1,h2,m2) <=> h1 <= h2 or (h1 = h2 and m1 < m2)',
['hour', 'minute', 'hour', 'minute'], 4)
attribute_structure = AttributeStructure(hour, minute, r_ahead,
r_behind, r_pm, r_am)
rs_ahead = RelationSymbol('Ahead', 4)
rs_behind = RelationSymbol('Behind', 4)
rs_pm = RelationSymbol('PM', 1)
rs_am = RelationSymbol('AM', 1)
vocabulary = Vocabulary(['C1', 'C2'],
[rs_ahead, rs_behind, rs_pm, rs_am],
['V1', 'V2'])
objects = ['s1', 's2']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(vocabulary, attribute_system, {
'C1': 's1',
'C2': 's2'
})
profiles = [[rs_pm, ('hour', 1)], [rs_am, ('hour', 1)],
[
rs_behind, ('hour', 1), ('minute', 1), ('hour', 2),
('minute', 2)
],
[
rs_ahead, ('hour', 1), ('minute', 1), ('hour', 2),
('minute', 2)
]]
attribute_interpretation = AttributeInterpretation(
vocabulary, attribute_structure, {
rs_pm: 1,
rs_am: 2,
rs_ahead: 3,
rs_behind: 4
}, profiles)
f1 = Formula(vocabulary, 'Ahead', 'C1', 'C2')
f2 = Formula(vocabulary, 'Behind', 'C2', 'C1')
f3 = Formula(vocabulary, 'PM', 'C1')
f4 = Formula(vocabulary, 'AM', 'C2')
assumption_base = AssumptionBase(f1, f3, f4)
named_state = NamedState(
attribute_system, p, {
("hour", "s1"): [Interval(15, 17)],
("hour", "s2"): [11],
("minute", "s1"): [23],
("minute", "s2"): [23]
})
context = Context(assumption_base, named_state)
assert context.entails_formula(f1, attribute_interpretation)
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
assert context.entails_formula(f4, attribute_interpretation)
vocabulary = Vocabulary(['C1'], [rs_ahead, rs_behind, rs_pm, rs_am],
['V1', 'V2'])
objects = ['s1', 's2']
attribute_system = AttributeSystem(attribute_structure, objects)
p = ConstantAssignment(vocabulary, attribute_system, {'C1': 's1'})
profiles = [[rs_pm, ('hour', 1)], [rs_am, ('hour', 1)],
[
rs_behind, ('hour', 1), ('minute', 1), ('hour', 2),
('minute', 2)
],
[
rs_ahead, ('hour', 1), ('minute', 1), ('hour', 2),
('minute', 2)
]]
attribute_interpretation = AttributeInterpretation(
vocabulary, attribute_structure, {
rs_pm: 1,
rs_am: 2,
rs_ahead: 3,
rs_behind: 4
}, profiles)
f1 = Formula(vocabulary, 'Ahead', 'C1', 'V1')
f2 = Formula(vocabulary, 'PM', 'C1')
f3 = Formula(vocabulary, 'AM', 'V1')
f4 = Formula(vocabulary, 'AM', 'V2')
f5 = Formula(vocabulary, 'Behind', 'V1', 'C1')
assumption_base = AssumptionBase(f1)
named_state = NamedState(
attribute_system, p, {
("hour", "s1"): [Interval(15, 17)],
("hour", "s2"): [11],
("minute", "s1"): [23],
("minute", "s2"): [23]
})
context = Context(assumption_base, named_state)
assert context.entails_formula(f1, attribute_interpretation)
assert context.entails_formula(f2, attribute_interpretation)
assert context.entails_formula(f3, attribute_interpretation)
# assert not here as it does not hold for every variable assignment;
# e.g. the following configuration is valid but its truth value is unknown:
# profile: [('hour', 'V1')]
# CA{'C1': 's1'}
# VA{'V2': 's2'}, which means all terms are not defined
assert not context.entails_formula(f4, attribute_interpretation)
assert context.entails_formula(f5, attribute_interpretation)