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test.py
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test.py
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"""Copyright 2017 Ziyi Bao, Department of Computing, Imperial College London
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License."""
__author__ = "Ziyi Bao"
__email__ = "zb714@ic.ac.uk"
__copyright__ = "Copyright (c) 2016 Ziyi Bao"
import unittest
from aspartix_interface import *
from abap_parser import *
class TestABAPlus(unittest.TestCase):
def test_simple_transitive_closure(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b, c])
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(b, c, LESS_THAN)
preferences = set([pref1, pref2])
abap = ABA_Plus(assumptions=assumptions, rules=set(), preferences=preferences)
self.assertEqual(abap.preferences, {pref1, pref2, Preference(a, c, LESS_THAN)})
def test_simple_deduction_exists(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([b])
rule = Rule(set([b]),a)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.deduction_exists(to_deduce=a, deduce_from=set([b])))
def test_deduction_from_empty_set_exists(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([b])
rule = Rule(set(), a)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.deduction_exists(to_deduce=a, deduce_from=set()))
def test_simple_deduction_does_not_exist(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
rule = Rule(set([b]), c)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertFalse(abap.deduction_exists(to_deduce=a, deduce_from=set([b])))
def test_transitive_deduction_exists(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([b])
rule1 = Rule(set([b]), c)
rule2 = Rule(set([c]), a)
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.deduction_exists(to_deduce=a, deduce_from=set([b])))
def test_transitive_deduction_from_empty_set_exists(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set()
rule1 = Rule(set([b]), a)
rule2 = Rule(set(), b)
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.deduction_exists(to_deduce=a, deduce_from=set()))
def test_complex_deduction_exists(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
e = Sentence("e")
f = Sentence("f")
g = Sentence("g")
assumptions = set([a, b, e])
rule1 = Rule(set([a, b]), c)
rule2 = Rule(set([e]), f)
rule3 = Rule(set([c, f]), g)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.deduction_exists(to_deduce=g, deduce_from=set([a, b, e])))
def test_complex_deduction_does_not_exist(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
e = Sentence("e")
f = Sentence("f")
g = Sentence("g")
assumptions = set([a, b, e])
rule1 = Rule(set([a, b]), c)
rule2 = Rule(set([e]), f)
rule3 = Rule(set([c, f]), g)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertFalse(abap.deduction_exists(to_deduce=g, deduce_from=set([a, e])))
def test_simple_WCP_no_violation_check1(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
rule = Rule(set([b]), c)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.check_WCP())
def test_simple_WCP_no_violation_check2(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([a, b])
rule1 = Rule(set([b]), a.contrary())
rule2 = Rule(set([a]), b.contrary())
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.check_WCP())
def test_simple_WCP_no_violation_check3(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b, c])
rule1 = Rule(set([b]), a.contrary())
rule2 = Rule(set([c]), b.contrary())
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.check_WCP())
def test_simple_WCP_violation_check1(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([a, b])
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
rule = Rule(set([b]), a.contrary())
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertFalse(abap.check_WCP())
def test_simple_WCP_violation_check2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
rule1 = Rule(set([b]), a.contrary())
rule2 = Rule(set([c]), a.contrary())
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertFalse(abap.check_WCP())
def test_transitive_WCP_violation_check(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
rule1 = Rule(set([b]), c)
rule2 = Rule(set([c]), a.contrary())
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertFalse(abap.check_WCP())
def test_transitive_WCP_violation_check(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
rule1 = Rule(set([b]), c)
rule2 = Rule(set([c]), a.contrary())
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertFalse(abap.check_WCP())
def test_cycle_WCP_violation_check(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([a, b])
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
rule1 = Rule(set([c]), a.contrary())
rule2 = Rule(set([c]), c)
rule3 = Rule(set([b]), c)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertFalse(abap.check_WCP())
def test_cycle_WCP_no_violation_check(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
assumptions = set([a])
rule1 = Rule(set([b]), a.contrary())
rule2 = Rule(set([c]), b)
rule3 = Rule(set([d]), c)
rule4 = Rule(set([b]), d)
rules = (set([rule1, rule2, rule3, rule4]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.check_WCP())
def test_complex_WCP_no_violation_check1(self):
alpha = Sentence("alpha")
beta = Sentence("beta")
gamma = Sentence("gamma")
delta = Sentence("delta")
d = Sentence("d")
k = Sentence("k")
m = Sentence("m")
p = Sentence("p")
q = Sentence("q")
r = Sentence("r")
s = Sentence("s")
t = Sentence("t")
u = Sentence("u")
v = Sentence("v")
assumptions = set([alpha, beta, gamma, delta])
rule1 = Rule(set([p, q]), alpha.contrary())
rule2 = Rule(set([r, beta]), p)
rule3 = Rule(set([alpha]), r)
rule4 = Rule(set([]), q)
rule5 = Rule(set([gamma, d, s]), beta.contrary())
rule6 = Rule(set([delta]), d)
rule7 = Rule(set([d,t ]), s)
rule8 = Rule(set([]), t)
rule9 = Rule(set([u, v]), gamma.contrary())
rule10 = Rule(set([delta]), u)
rule11 = Rule(set([v]), v)
rule12 = Rule(set([k, m]), delta.contrary())
rule13 = Rule(set([gamma]), m)
rules = {rule1, rule2, rule3, rule3, rule4, rule5, rule6,
rule7, rule8, rule9, rule10, rule11, rule12, rule13}
pref1 = Preference(alpha, beta, LESS_THAN)
pref2 = Preference(delta, gamma, LESS_THAN)
preferences = {pref1, pref2}
abap = ABA_Plus(assumptions=assumptions, preferences=preferences, rules=rules)
self.assertTrue(abap.check_WCP())
def test_complex_WCP_no_violation_check2(self):
alpha = Sentence("alpha")
beta = Sentence("beta")
gamma = Sentence("gamma")
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
k = Sentence("k")
l = Sentence("l")
m = Sentence("m")
n = Sentence("n")
p = Sentence("p")
q = Sentence("q")
s = Sentence("s")
t = Sentence("t")
u = Sentence("u")
v = Sentence("v")
x = Sentence("x")
z = Sentence("z")
assumptions = set([alpha, beta, gamma])
rule1 = Rule(set([a, b, c]), x)
rule2 = Rule(set([s, t]), a)
rule3 = Rule(set([b]), s)
rule4 = Rule(set([beta, u]), b)
rule5 = Rule(set([]), u)
rule6 = Rule(set([v, z]), c)
rule7 = Rule(set([a]), z)
rule8 = Rule(set([v]), v)
rule9 = Rule(set([k, l]), c)
rule10 = Rule(set([k]), k)
rule11 = Rule(set([a]), l)
rule12 = Rule(set([a, m]), k)
rule13 = Rule(set([beta, n]), m)
rule14 = Rule(set([p]), n)
rule15 = Rule(set([b, q]), m)
rule16 = Rule(set([]), q)
rules = {rule1, rule2, rule3, rule4, rule5, rule6,
rule7, rule8, rule9, rule10, rule11, rule12, rule13,
rule14, rule15, rule16}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertTrue(abap.check_WCP())
def test_check_and_partially_satisfy_WCP(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule = Rule({b,c}, a.contrary())
rules = {rule}
pref1 = Preference(b, a, LESS_THAN)
pref2 = Preference(c, b, LESS_THAN)
preferences = {pref1, pref2}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
abap.check_and_partially_satisfy_WCP()
self.assertIn(Rule({b,a}, c.contrary()), abap.rules)
def test_check_and_partially_satisfy_WCP2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule = Rule({a, b}, c.contrary())
rules = {rule}
pref = Preference(a, c, LESS_THAN)
preferences = {pref}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
abap.check_and_partially_satisfy_WCP()
self.assertIn(Rule({b, c}, a.contrary()), abap.rules)
def test_set_combinations(self):
abap = ABA_Plus(set(), set(), set())
set1 = set()
set1.add(frozenset({"b"}))
set2 = set()
set2.add(frozenset({"e"}))
set2.add(frozenset({"f"}))
set3 = set()
set3.add(frozenset({"g"}))
set4 = set()
set4.add(frozenset({"i"}))
set4.add(frozenset({"k"}))
combs = abap.set_combinations({frozenset(set1), frozenset(set2), frozenset(set3), frozenset(set4)})
correct_combs = {frozenset({"b", "e", "g", "i"}), frozenset({"b", "e", "g", "k"}),
frozenset({"b", "f", "g", "i"}), frozenset({"b", "f", "g", "k"})}
self.assertEqual(combs, correct_combs)
def test_simple_generate_argument1(self):
a = Sentence("a")
assumptions = set([a])
abap = ABA_Plus(assumptions=assumptions, rules=set(), preferences=set())
res = abap.generate_arguments(a)
self.assertEqual(abap.generate_arguments(a), {frozenset({a})})
def test_simple_generate_argument2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = set([b,c])
rule = Rule(set([b, c]), a)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
res = abap.generate_arguments(a)
self.assertEqual(abap.generate_arguments(a), {frozenset({b,c})})
def test_generate_empty_argument(self):
a = Sentence("a")
rule = Rule(set(), a)
rules = (set([rule]))
abap = ABA_Plus(assumptions=set(), rules=rules, preferences=set())
res = abap.generate_arguments(a)
self.assertEqual(abap.generate_arguments(a), {frozenset()})
def test_transitive_generate_argument(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
e = Sentence("e")
assumptions = set([b, c, d])
rule1 = Rule(set([b, e]), a)
rule2 = Rule(set([c, d]), e)
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset({b, c, d})})
def test_generate_multiple_arguments1(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
e = Sentence("e")
assumptions = set([b, d, e])
rule1 = Rule(set([b, c]), a)
rule2 = Rule(set([d]), c)
rule3 = Rule(set([e]), c)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset({b, d}), frozenset({b, e})})
def test_generate_multiple_arguments2(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([b])
rule1 = Rule(set([b]), a)
rule2 = Rule(set(), a)
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset(), frozenset({b})})
def test_generate_multiple_arguments3(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
assumptions = set([b, d])
rule1 = Rule(set([b, c]), a)
rule2 = Rule(set(), c)
rule3 = Rule(set([d]), c)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset({b}), frozenset({b, d})})
def test_cycle_generate_argument1(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set([b])
rule1 = Rule(set([a]), a)
rule2 = Rule(set([b]), a)
rules = (set([rule1, rule2]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset({b})})
def test_cycle_generate_argument2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
e = Sentence("e")
assumptions = set([e])
rule1 = Rule(set([b]), a)
rule2 = Rule(set([c]), b)
rule3 = Rule(set([d]), c)
rule4 = Rule(set([b]), d)
rule5 = Rule(set([e]), a)
rules = (set([rule1, rule2, rule3, rule4, rule5]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), {frozenset({e})})
def test_cycle_generate_argument3(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
p = Sentence("p")
r = Sentence("r")
assumptions = {a, b, c}
rule1 = Rule({a, r}, p)
rule2 = Rule({b, p}, r)
rule3 = Rule({c}, p)
rules = {rule1, rule2, rule3}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(p), {frozenset({c}), frozenset({a, b, c})})
def test_generate_no_arguments(self):
a = Sentence("a")
b = Sentence("b")
assumptions = set()
rule = Rule(set([b]), a)
rules = (set([rule]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(a), set())
def test_complex_generate_arguments1(self):
alpha = Sentence("alpha")
beta = Sentence("beta")
gamma = Sentence("gamma")
delta = Sentence("delta")
d = Sentence("d")
s1 = Sentence("s1")
s2 = Sentence("s2")
s3 = Sentence("s3")
s4 = Sentence("s4")
s5 = Sentence("s5")
s6 = Sentence("s6")
s7 = Sentence("s7")
assumptions = set([alpha, beta, gamma, delta])
rule1 = Rule(set([s3, s4]), d)
rule2 = Rule(set([s2]), s3)
rule3 = Rule(set([s1, beta]), s2)
rule4 = Rule(set([beta]), s1)
rule5 = Rule(set([s5, s6]), d)
rule6 = Rule(set([s7]), s5)
rule7 = Rule(set([alpha, beta, gamma]), s7)
rule8 = Rule(set([s2]), s6)
rule9 = Rule(set([s5]), s7)
rule10 = Rule(set([s2]), s1)
rules = {rule1, rule2, rule3, rule4, rule5,
rule6, rule7, rule8, rule9, rule10, }
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(alpha), {frozenset({alpha})})
self.assertEqual(abap.generate_arguments(beta), {frozenset({beta})})
self.assertEqual(abap.generate_arguments(gamma), {frozenset({gamma})})
self.assertEqual(abap.generate_arguments(delta), {frozenset({delta})})
self.assertEqual(abap.generate_arguments(d), {frozenset({alpha, beta, gamma})})
def test_complex_generate_arguments2(self):
alpha = Sentence("alpha")
beta = Sentence("beta")
gamma = Sentence("gamma")
delta = Sentence("delta")
epsilon = Sentence("epsilon")
d = Sentence("d")
s1 = Sentence("s1")
s2 = Sentence("s2")
s3 = Sentence("s3")
s4 = Sentence("s4")
s5 = Sentence("s5")
s6 = Sentence("s6")
s7 = Sentence("s7")
s8 = Sentence("s8")
s9 = Sentence("s9")
s10 = Sentence("s10")
assumptions = set([alpha, beta, gamma, delta, epsilon])
rule1 = Rule(set([alpha, beta]), s1)
rule2 = Rule(set(), s2)
rule3 = Rule(set([s1, s2]), s3)
rule4 = Rule(set([alpha, s3]), s4)
rule5 = Rule(set([s4, beta]), s5)
rule6 = Rule(set([s5, gamma]), s4)
rule7 = Rule(set([s4, s5, s6]), d)
rule8 = Rule(set([s7]), s6)
rule9 = Rule(set([gamma, s8]), s7)
rule10 = Rule(set([s9]), s8)
rule11 = Rule(set([s2, gamma]), s10)
rule12 = Rule(set([s10]), d)
rules = {rule1, rule2, rule3, rule4, rule5, rule6,
rule7, rule8, rule9, rule10, rule11, rule12}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(alpha), {frozenset({alpha})})
self.assertEqual(abap.generate_arguments(beta), {frozenset({beta})})
self.assertEqual(abap.generate_arguments(gamma), {frozenset({gamma})})
self.assertEqual(abap.generate_arguments(delta), {frozenset({delta})})
self.assertEqual(abap.generate_arguments(epsilon), {frozenset({epsilon})})
self.assertEqual(abap.generate_arguments(d), {frozenset({gamma})})
def test_complex_generate_arguments3(self):
alpha = Sentence("alpha")
beta = Sentence("beta")
a = Sentence("a")
b = Sentence("b")
s1 = Sentence("s1")
s2 = Sentence("s2")
s3 = Sentence("s3")
s4 = Sentence("s4")
s5 = Sentence("s5")
s6 = Sentence("s6")
s7 = Sentence("s7")
assumptions = set([alpha, beta])
rule1 = Rule(set([s1]), a)
rule2 = Rule(set([s2, s3]), s1)
rule3 = Rule(set(), s2)
rule4 = Rule(set([s4]), s3)
rule5 = Rule(set(), s4)
rule6 = Rule(set([s5, s6]), b)
rule7 = Rule(set(), s5)
rule8 = Rule(set([beta]), s6)
rule9 = Rule(set([beta]), s7)
rules = {rule1, rule2, rule3, rule4, rule5, rule6, rule7, rule8, rule9}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_arguments(alpha), {frozenset({alpha})})
self.assertEqual(abap.generate_arguments(beta), {frozenset({beta})})
self.assertEqual(abap.generate_arguments(a), {frozenset()})
self.assertEqual(abap.generate_arguments(b), {frozenset({beta})})
def test_simple_generate_arguments_and_attacks1(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a,b,c}
rule = Rule({a,c}, b.contrary())
rules = {rule}
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(c, b, LESS_THAN)
preferences = {pref1, pref2}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
#res = abap.generate_arguments_and_attacks({a.contrary(), b.contrary(), c.contrary()})
res = abap.generate_arguments_and_attacks_for_contraries()
deductions = res[0]
attacks = res[1]
self.assertEqual(deductions[a], {Deduction({a}, {a})})
self.assertEqual(deductions[b], {Deduction({b}, {b})})
self.assertEqual(deductions[c], {Deduction({c}, {c})})
self.assertEqual(deductions[b.contrary()], {Deduction({a,c}, {b.contrary()})})
self.assertEqual(len(deductions), 4)
self.assertEqual(attacks, {Attack(Deduction({b}, {b}), Deduction({a,c}, {b.contrary()}), REVERSE_ATK)})
def test_simple_generate_arguments_and_attacks2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule1 = Rule({a, c}, b.contrary())
rule2 = Rule({b, c}, a.contrary())
rule3 = Rule({a, b}, c.contrary())
rules = {rule1, rule2, rule3}
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(c, b, LESS_THAN)
preferences = {pref1, pref2}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
res = abap.generate_arguments_and_attacks({a.contrary(), b.contrary(), c.contrary()})
deductions = res[0]
attacks = res[1]
ded_a = Deduction({a}, {a})
ded_b = Deduction({b}, {b})
ded_c = Deduction({c}, {c})
ded_contr_a = Deduction({b, c}, {a.contrary()})
ded_contr_b = Deduction({a, c}, {b.contrary()})
ded_contr_c = Deduction({a, b}, {c.contrary()})
self.assertEqual(deductions[a], {ded_a})
self.assertEqual(deductions[b], {ded_b})
self.assertEqual(deductions[c], {ded_c})
self.assertEqual(deductions[a.contrary()], {ded_contr_a})
self.assertEqual(deductions[b.contrary()], {ded_contr_b})
self.assertEqual(deductions[c.contrary()], {ded_contr_c})
self.assertEqual(len(deductions), 6)
self.assertEqual(attacks, {Attack(ded_b, ded_contr_b, REVERSE_ATK),
Attack(ded_contr_a, ded_a, NORMAL_ATK),
Attack(ded_contr_c, ded_c, NORMAL_ATK),
Attack(ded_contr_a, ded_contr_c, NORMAL_ATK),
Attack(ded_contr_a, ded_contr_b, NORMAL_ATK),
Attack(ded_contr_a, ded_contr_b, REVERSE_ATK),
Attack(ded_contr_c, ded_contr_a, NORMAL_ATK),
Attack(ded_contr_c, ded_contr_b, REVERSE_ATK),
Attack(ded_contr_c, ded_contr_b, NORMAL_ATK)})
def test_generate_all_deductions(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
e = Sentence("e")
f = Sentence("f")
g = Sentence("g")
assumptions = set([a, b, e])
rule1 = Rule(set([a, b]), c)
rule2 = Rule(set([e]), f)
rule3 = Rule(set([c, f]), g)
rules = (set([rule1, rule2, rule3]))
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
self.assertEqual(abap.generate_all_deductions({a,b,e}), {a,b,c,e,f,g})
class TestABAPParser(unittest.TestCase):
def test_generate_aba_plus_from_file(self):
abap = generate_aba_plus_framework_from_file("test_generate_assumptions_from_file.pl")[0]
a = Sentence("a", False)
b = Sentence("b", False)
c = Sentence("c", False)
d = Sentence("d", False)
e = Sentence("e", False)
f = Sentence("f", False)
assumptions = {a, b, c, d, e, f}
self.assertEqual(abap.assumptions, assumptions)
p = Sentence("p", False)
r = Sentence("r", False)
s = Sentence("s", False)
t = Sentence("t", False)
rule1 = Rule({a, c.contrary()}, p)
rule2 = Rule({b, r}, a.contrary())
rule3 = Rule({c, s}, a.contrary())
rule4 = Rule({c, t}, a.contrary())
rule5 = Rule({a}, c.contrary())
rule6 = Rule(set(), s)
rule7 = Rule({d}, t)
rule8 = Rule({e}, t)
rules = {rule1, rule2, rule3, rule4, rule5, rule6, rule7, rule8}
self.assertEqual(abap.rules, rules)
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(c, d, LESS_EQUAL)
preferences = {pref1, pref2}
self.assertEqual(abap.preferences, preferences)
def test_generate_aba_plus_from_file2(self):
abap = generate_aba_plus_framework_from_file("unit_tests_example6_input.pl")[0]
a = Sentence("a", False)
b = Sentence("b", False)
c = Sentence("c", False)
assumptions = {a, b, c}
self.assertEqual(abap.assumptions, assumptions)
rule1 = Rule({a, c}, b.contrary())
rule2 = Rule({b, c}, a.contrary())
rule3 = Rule({a, b}, c.contrary())
rules = {rule1, rule2, rule3}
self.assertEqual(abap.rules, rules)
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(c, b, LESS_THAN)
preferences = {pref1, pref2}
self.assertEqual(abap.rules, rules)
class TestASPARTIXInterface(unittest.TestCase):
def test_simple_calculate_admissible_extensions(self):
a = Sentence("a")
b = Sentence("b")
assumptions = {a, b}
rule = Rule({a}, b.contrary())
rules = {rule}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences = set())
asp = ASPARTIX_Interface(abap)
asp.generate_input_file_for_clingo("test.lp")
adm_ext = asp.calculate_admissible_extensions("test.lp")
self.assertEqual(adm_ext, {frozenset({a}), frozenset()})
def test_simple_calculate_stable_extensions1(self):
a = Sentence("a")
b = Sentence("b")
assumptions = {a, b}
rule = Rule({a}, b.contrary())
rules = {rule}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=set())
asp = ASPARTIX_Interface(abap)
asp.generate_input_file_for_clingo("test.lp")
stable_ext = asp.calculate_stable_extensions("test.lp")
self.assertEqual(stable_ext, {frozenset({a})})
def test_calculate_stable_extensions_none_exists(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule1 = Rule({a}, b.contrary())
rule2 = Rule({b}, c.contrary())
rule3 = Rule({c}, a.contrary())
rules = {rule1, rule2, rule3}
pref = Preference(b, a, LESS_THAN)
preferences = set([pref])
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
asp = ASPARTIX_Interface(abap)
asp.generate_input_file_for_clingo("test4.lp")
stable_ext = asp.calculate_stable_extensions("test4.lp")
self.assertEqual(stable_ext, set())
# example 4 from aba+ unit tests
# fails
def test_calculate_extensions(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
d = Sentence("d")
assumptions = {a, b, c, d}
rule1 = Rule({a}, b.contrary())
rule2 = Rule({b}, a.contrary())
rule3 = Rule({a}, c.contrary())
rule4 = Rule({c}, b.contrary())
rules = {rule1, rule2, rule3, rule4}
pref = Preference(c, b, LESS_THAN)
preferences = {pref}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
asp = ASPARTIX_Interface(abap)
asp.generate_input_file_for_clingo("test_calculate_extensions.lp")
stable_ext = asp.calculate_stable_extensions("test_calculate_extensions.lp")
self.assertEqual(stable_ext, {frozenset([a, d]), frozenset([b, d])})
complete_ext = asp.calculate_complete_extensions("test_calculate_extensions.lp")
preferred_ext = asp.calculate_preferred_extensions("test_calculate_extensions.lp")
grounded_ext = asp.calculate_grounded_extensions("test_calculate_extensions.lp")
ideal_ext = asp.calculate_ideal_extensions("test_calculate_extensions.lp")
# example 6 from aba+ unit tests
def test_calculate_extensions2(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule1 = Rule({a, c}, b.contrary())
rule2 = Rule({b, c}, a.contrary())
rule3 = Rule({a, b}, c.contrary())
rules = {rule1, rule2, rule3}
pref1 = Preference(a, b, LESS_THAN)
pref2 = Preference(c, b, LESS_THAN)
preferences = {pref1, pref2}
abap = ABA_Plus(assumptions=assumptions, rules=rules, preferences=preferences)
asp = ASPARTIX_Interface(abap)
asp.generate_input_file_for_clingo("test_calculate_extensions2.lp")
stable_ext = asp.calculate_stable_extensions("test_calculate_extensions2.lp")
self.assertEqual(stable_ext, {frozenset([a, b]), frozenset([b, c])})
complete_ext = asp.calculate_complete_extensions("test_calculate_extensions2.lp")
self.assertEqual(complete_ext, {frozenset([b]), frozenset([a, b]), frozenset([b, c])})
preferred_ext = asp.calculate_preferred_extensions("test_calculate_extensions2.lp")
self.assertEqual(preferred_ext, {frozenset([a, b]), frozenset([b, c])})
grounded_ext = asp.calculate_grounded_extensions("test_calculate_extensions2.lp")
self.assertEqual(grounded_ext, {frozenset([b])})
ideal_ext = asp.calculate_ideal_extensions("test_calculate_extensions2.lp")
self.assertEqual(ideal_ext, {frozenset([b])})
# example 7 from aba+ unit tests
def test_calculate_extensions3(self):
a = Sentence("a")
b = Sentence("b")
c = Sentence("c")
assumptions = {a, b, c}
rule1 = Rule({a, c}, b.contrary())
rule2 = Rule({b, c}, a.contrary())
rule3 = Rule({b}, c.contrary())
rules = {rule1, rule2, rule3}
pref1 = Preference(a, b, LESS_THAN)