def test_majority(self):
ballots = [['Bluesy', 'Slice', 'Awesome', 'Mysterious'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome', 'Mysterious']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Bluesy']))
def test_majority(self):
ballots = [['Bluesy', 'Slice', 'Awesome', 'Mysterious'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome', 'Mysterious']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Bluesy']))
def test_tie(self):
ballots = [['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Awesome', 'Slice'],
['Slice', 'Awesome', 'Bluesy'],
['Slice', 'Awesome', 'Bluesy']]
# Awesome should get eliminated, but that still leaves a tie
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice', 'Bluesy']))
def test_tie(self):
ballots = [['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Awesome', 'Slice'],
['Slice', 'Awesome', 'Bluesy'],
['Slice', 'Awesome', 'Bluesy']]
# Awesome should get eliminated, but that still leaves a tie
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice', 'Bluesy']))
def test_tie_3(self):
ballots = [['Awesome', 'Bluesy', 'Slice'],
['Awesome', 'Slice', 'Bluesy'],
['Slice', 'Bluesy', 'Awesome'],
['Slice', 'Awesome', 'Bluesy'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Awesome', 'Slice']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Awesome', 'Bluesy', 'Slice']))
def test_tie_3(self):
ballots = [['Awesome', 'Bluesy', 'Slice'],
['Awesome', 'Slice', 'Bluesy'],
['Slice', 'Bluesy', 'Awesome'],
['Slice', 'Awesome', 'Bluesy'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Awesome', 'Slice']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Awesome', 'Bluesy', 'Slice']))
def test_eliminate_loser(self):
ballots = [['Slice', 'Bluesy', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Awesome', 'Slice', 'Bluesy'],
['Awesome', 'Slice', 'Bluesy']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Bluesy']))
for ballot in ballots:
self.assertNotIn('Slice', ballot)
def test_eliminate_loser(self):
ballots = [['Slice', 'Bluesy', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Bluesy', 'Slice', 'Awesome'],
['Awesome', 'Slice', 'Bluesy'],
['Awesome', 'Slice', 'Bluesy']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Bluesy']))
for ballot in ballots:
self.assertNotIn('Slice', ballot)
def test_single_ballot(self):
ballots = [['Slice', 'Sneaky']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice']))
def test_no_majority(self):
ballots = [['Slice', 'Sneaky'],
['Sneaky', 'Slice']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice', 'Sneaky']))
def test_empty(self):
ballots = []
winners = irv.run_irv(ballots)
self.assertEqual(winners, [])
def test_single_ballot(self):
ballots = [['Slice', 'Sneaky']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice']))
def test_no_majority(self):
ballots = [['Slice', 'Sneaky'], ['Sneaky', 'Slice']]
winners = irv.run_irv(ballots)
self.assertSetEqual(set(winners), set(['Slice', 'Sneaky']))
def test_empty(self):
ballots = []
winners = irv.run_irv(ballots)
self.assertEqual(winners, [])
