def test_add_candidate(self):
"""Test the public ``add_candidate'' function provided by the
Constituency() class.
"""
con = Constituency("test")
con2 = Constituency("test2")
party1 = Party("party1")
party2 = Party("party2")
party3 = Party("party3")
candidate1 = Candidate("candidate1", party1, con)
candidate2 = Candidate("candidate2", party2, con)
candidate3 = Candidate("candidate3", party3, con2)
candidate4 = Candidate("candidate4", party2, con)
con.add_candidate(candidate1)
self.assertTrue(candidate1 in con.candidates)
self.assertEqual(len(con.candidates), 1)
# attempt to add a candidate twice
with self.assertRaises(AssertionError):
con.add_candidate(candidate1)
self.assertEqual(len(con.candidates), 1)
self.assertEqual(len(con.parties), 1)
con.add_candidate(candidate2)
self.assertTrue(candidate1 in con.candidates)
self.assertTrue(candidate2 in con.candidates)
self.assertEqual(len(con.candidates), 2)
self.assertEqual(len(con.parties), 2)
# attempt to add a candidate with the wrong constituency
with self.assertRaises(AssertionError):
con.add_candidate(candidate3)
self.assertEqual(len(con.candidates), 2)
# attempt to add a candidate with the same party
with self.assertRaises(AssertionError):
con.add_candidate(candidate4)
self.assertEqual(len(con.candidates), 2)
def test_election(self):
"""Test the public ``add_candidate'' function provided by the
Election() class.
"""
el = Election()
con1 = Constituency("test")
con2 = Constituency("test2")
party1 = Party("party1")
party2 = Party("party2")
candidate1 = Candidate("candidate1", party1, con1)
candidate2 = Candidate("candidate2", party2, con1)
candidate3 = Candidate("candidate3", party2, con2)
el.add_candidate(candidate1)
self.assertTrue(candidate1 in el.candidates)
self.assertTrue(party1 in el.parties)
self.assertTrue(con1 in el.constituencies)
with self.assertRaises(AssertionError):
el.add_candidate(candidate1)
el.add_candidate(candidate2)
self.assertTrue(candidate2 in el.candidates)
self.assertTrue(party1 in el.parties)
self.assertTrue(con1 in el.constituencies)
self.assertEqual(len(el.candidates), 2)
self.assertEqual(len(el.parties), 2)
self.assertEqual(len(el.constituencies), 1)
el.add_candidate(candidate3)
self.assertTrue(candidate3 in el.candidates)
self.assertTrue(party2 in el.parties)
self.assertTrue(con2 in el.constituencies)
self.assertEqual(len(el.candidates), 3)
self.assertEqual(len(el.parties), 2)
self.assertEqual(len(el.constituencies), 2)
def test_add_winner(self):
"""Test the public ``add_winner'' function provided by the
Outcome() class.
"""
con = Constituency("test")
con2 = Constituency("test2")
party1 = Party("party1")
party2 = Party("party2")
candidate1 = Candidate("candidate1", party1, con)
candidate2 = Candidate("candidate2", party2, con2)
outcome = Outcome()
outcome.add_winner(candidate1)
self.assertEqual(len(outcome.winners), 1)
self.assertTrue(candidate1 in outcome.winners)
# attempt to add the same candidate
with self.assertRaises(AssertionError):
outcome.add_winner(candidate1)
def election_from_csv(filename):
"""
Create an Election object from a csv file of election data.
"""
election = None
with open(filename, 'rb') as csvfile:
reader = csv.reader(csvfile, delimiter=',', quotechar='"')
# create an Election object
election = Election()
constituencies = {}
parties = {}
candidates = {}
for row in reader:
# extract the fields from the CSV data
constituencyName = row[0]
candidateName = row[1]
partyName = row[2]
voteCount = int(row[3])
# reconcile the constituency
if constituencyName not in constituencies:
con = Constituency(constituencyName)
constituencies[constituencyName] = con
else:
con = constituencies[constituencyName]
# reconcile the party
if partyName not in parties:
par = Party(partyName)
parties[partyName] = par
else:
par = parties[partyName]
# reconcile the candidate
if (candidateName, partyName, constituencyName) \
not in candidates:
can = Candidate(candidateName,
par,
con,
voteCount)
candidates[(candidateName,
partyName,
constituencyName)] = can
else:
raise ValueError(
"""A candidate with the same details already exists""")
# add the candidate to the constituency
con.add_candidate(can)
# add the candidate to the party
par.add_candidate(can)
# add the candidate to the election
election.add_candidate(can)
return election
def import_mp_votes(subset=False):
if MPVote.all().count() > 0:
print "Import already complete"
return
subset_const = [
"Brighton, Kemptown",
"Brighton, Pavillion",
"Hove",
"Hackney South and Shoreditch",
"Edinburgh North, and Leith"
]
subset_mp = [
"Caroline Lucas",
"Simon Kirby",
"Mike Weatherley",
"Meg Hillier",
"Mark Lazarowicz"
]
question_list = {}
csvfile = open('fixtures/mp_votes/vote_questions.csv', 'rU')
for row in csv.reader(csvfile):
d = Question()
d.question = row[0]
d.title = row[1]
d.date = datetime.datetime.now()
d.publicwhip_url = row[3]
d.put()
question_list[row[4]] = d
mps_created = []
consts_created = []
for question in question_list:
print question
csvfile = open('fixtures/mp_votes/%s.csv' % question, 'rU')
for row in csv.reader(csvfile):
if subset and row[1] not in subset_const and row[0] not in subset_mp:
continue
try:
v = MPVote(parent=question_list[question])
v.question = str(question_list[question].key())
v.mp_name = row[0]
v.mp_slug = slugify(row[0])
v.mp_constituency = row[1]
v.mp_party = normalise_party(row[2]).lower()
v.selection = normalise_selection(row[3])
v.mp_whilst = get_whilst(row[2])
v.put()
if v.mp_slug not in mps_created:
mp = MP()
mp.slug = v.mp_slug
mp.name = v.mp_name
mp.constituency = v.mp_constituency
mp.party = v.mp_party
mp.put()
mps_created.append(v.mp_slug)
if v.mp_constituency not in consts_created:
const = Constituency()
const.name = v.mp_constituency
const.slug = slugify(v.mp_constituency)
const.mp_name = v.mp_name
const.mp_party = v.mp_party
const.put()
consts_created.append(v.mp_constituency)
except:
print "Failed insert"
