def _initialize_decision(decision, member, bill):
"""Initializes a decision object with information about the member and bill.
Extracts stances for the member based on the bill and the member's
relations.
Arguments:
decision: the decision object to initialize
member: a Member object corresponding to the member who will vote
bill: a Bill object of the bill to be voted on.
"""
logger.LOGGER.info("Initializing decision...")
decision.member = member._id
decision.bill = bill._id
if not member.stances:
member_analyze.extract_voting_stances(member)
if not member.pro_rel_stances:
member_analyze.infer_relations_stances(member)
logger.LOGGER.info("Analyzing alternative positions...")
decision.for_stances = member_analyze.match_stances(member, bill, outcomes.FOR)
decision.agn_stances = member_analyze.match_stances(member, bill, outcomes.AGN)
logger.LOGGER.info("Initialization complete.")
def test_match_stances_for(self):
""" Verifies stances are matched by the bill FOR stances."""
member = self.generate_member_with_stances()
bill = Bill()
bill.stances_for = member.credo
bill.stances_agn = member.pro_rel_stances
result = member_analyze.match_stances(member, bill, outcomes.FOR)
for entry in result:
self.assertTrue(entry in bill.stances_for)
def test_match_stances_agn(self):
""" Verifies the returned stances are sorted by importance."""
member = Member()
member.stance_sort_key = stance_sort_key.EQUITY
credo_stance = Stance()
credo_stance.issue = "Credo"
credo_stance.side = outcomes.PRO
credo_stance.importance = importance.B
stances_stance1 = Stance()
stances_stance1.issue = "Stances"
stances_stance1.side = outcomes.CON
stances_stance1.importance = importance.D
stances_stance2 = Stance()
stances_stance2.issue = "An Outcomes"
stances_stance2.side = outcomes.PRO
stances_stance2.importance = importance.A
pro_rel_stance = Stance()
pro_rel_stance.issue = "Pro-Relation"
pro_rel_stance.side = outcomes.PRO
pro_rel_stance.importance = importance.C
member.credo.append(credo_stance)
member.stances.append(stances_stance1)
member.stances.append(stances_stance2)
member.pro_rel_stances.append(pro_rel_stance)
bill = Bill()
bill.stances_for = member.credo + member.stances
bill.stances_agn = member.pro_rel_stances
result = member_analyze.match_stances(member, bill, outcomes.FOR)
sorted_answer = [stances_stance2, credo_stance, stances_stance1]
self.assertEqual(result, sorted_answer)
