class TestTournament(unittest.TestCase):
def setUp(self):
self.t = Tournament()
self.t.deleteMatches()
self.t.deletePlayers()
def tearDown(self):
self.t.deleteTournamnets()
self.t.deleteMatches()
self.t.deletePlayers()
del self.t
def test_DeleteMatches(self):
self.t.deleteMatches()
print "Old matches can be deleted."
def testDelete(self):
self.t.deletePlayers()
print "Player records can be deleted."
def testCount(self):
c = self.t.countPlayers()
if c == '0':
raise TypeError(
"countPlayers() should return numeric zero, not string '0'.")
if c != 0:
raise ValueError("After deleting, countPlayers should return zero.")
print "After deleting, countPlayers() returns zero."
def testRegister(self):
self.t.registerPlayer("Chandra Nalaar")
c = self.t.countPlayers()
if c != 1:
raise ValueError(
"After one player registers, countPlayers() should be 1.")
print "After registering a player, countPlayers() returns 1."
def testRegisterCountDelete(self):
self.t.registerPlayer("Markov Chaney")
self.t.registerPlayer("Joe Malik")
self.t.registerPlayer("Mao Tsu-hsi")
self.t.registerPlayer("Atlanta Hope")
c = self.t.countPlayers()
if c != 4:
raise ValueError(
"After registering four players, countPlayers should be 4.")
self.t.deletePlayers()
c = self.t.countPlayers()
if c != 0:
raise ValueError("After deleting, countPlayers should return zero.")
print "Players can be registered and deleted."
def testStandingsBeforeMatches(self):
self.t.registerPlayer("Melpomene Murray")
self.t.registerPlayer("Randy Schwartz")
standings = self.t.playerStandings()
if len(standings) < 2:
raise ValueError("Players should appear in playerStandings even before "
"they have played any matches.")
elif len(standings) > 2:
raise ValueError("Only registered players should appear in standings.")
if len(standings[0]) != 4:
raise ValueError("Each playerStandings row should have four columns.")
[(id1, name1, wins1, matches1), (id2, name2, wins2, matches2)] = standings
if matches1 != 0 or matches2 != 0 or wins1 != 0 or wins2 != 0:
raise ValueError(
"Newly registered players should have no matches or wins.")
if set([name1, name2]) != set(["Melpomene Murray", "Randy Schwartz"]):
raise ValueError("Registered players' names should appear in standings, "
"even if they have no matches played.")
print "Newly registered players appear in the standings with no matches."
def testReportMatches(self):
self.t.registerPlayer("Bruno Walton")
self.t.registerPlayer("Boots O'Neal")
self.t.registerPlayer("Cathy Burton")
self.t.registerPlayer("Diane Grant")
standings = self.t.playerStandings()
[id1, id2, id3, id4] = [row[0] for row in standings]
self.t.reportMatch(id1, id2)
self.t.reportMatch(id3, id4)
standings = self.t.playerStandings()
for (i, n, w, m) in standings:
if m != 1:
raise ValueError("Each player should have one match recorded.")
if i in (id1, id3) and w != 1:
raise ValueError("Each match winner should have one win recorded.")
elif i in (id2, id4) and w != 0:
raise ValueError("Each match loser should have zero wins recorded.")
print "After a match, players have updated standings."
def testPairings(self):
self.t.deleteMatches()
self.t.deletePlayers()
self.t.registerPlayer("Twilight Sparkle")
self.t.registerPlayer("Fluttershy")
self.t.registerPlayer("Applejack")
self.t.registerPlayer("Pinkie Pie")
standings = self.t.playerStandings()
[id1, id2, id3, id4] = [row[0] for row in standings]
self.t.reportMatch(id1, id2)
self.t.reportMatch(id3, id4)
pairings = self.t.swissPairings()
if len(pairings) != 2:
raise ValueError(
"For four players, swissPairings should return two pairs.")
[(pid1, pname1, pid2, pname2), (pid3, pname3, pid4, pname4)] = pairings
correct_pairs = set([frozenset([id1, id3]), frozenset([id2, id4])])
actual_pairs = set([frozenset([pid1, pid2]), frozenset([pid3, pid4])])
if correct_pairs != actual_pairs:
raise ValueError(
"After one match, players with one win should be paired.")
print "After one match, players with one win are paired."
def testHaveMathced(self):
self.t.registerPlayer("Player 1")
self.t.registerPlayer("Player 2")
self.t.registerPlayer("Player 3")
self.t.registerPlayer("Player 4")
standings = self.t.playerStandings()
[id1, id2, id3, id4] = [row[0] for row in standings]
self.t.reportMatch(id1, id2)
self.t.reportMatch(id4, id3)
matches = self.t.getMatches()
self.assertTrue(self.t._haveMatched(id1, id2, matches))
self.assertTrue(self.t._haveMatched(id2, id1, matches))
self.assertTrue(self.t._haveMatched(id3, id4, matches))
self.assertFalse(self.t._haveMatched(id1, id3, matches))
self.assertFalse(self.t._haveMatched(id3, id1, matches))
def testNoRematches(self):
self.t.registerPlayer("Player 1")
self.t.registerPlayer("Player 2")
self.t.registerPlayer("Player 3")
self.t.registerPlayer("Player 4")
self.t.registerPlayer("Player 5")
self.t.registerPlayer("Player 6")
self.t.registerPlayer("Player 7")
self.t.registerPlayer("Player 8")
self.t.registerPlayer("Player 9")
self.t.registerPlayer("Player 10")
self.t.registerPlayer("Player 11")
self.t.registerPlayer("Player 12")
standings = self.t.playerStandings()
[id1, id2, id3, id4, id5, id6, id7, id8, id9, id10, id11, id12] = [row[0] for row in standings]
# Round 1
self.t.reportMatch(id1, id2)
self.t.reportMatch(id4, id3)
self.t.reportMatch(id5, id6)
self.t.reportMatch(id7, id8)
self.t.reportMatch(id9, id10)
self.t.reportMatch(id12, id11)
# Round 2
self.t.reportMatch(id4, id1)
self.t.reportMatch(id5, id7)
self.t.reportMatch(id9, id12)
self.t.reportMatch(id3, id2)
self.t.reportMatch(id6, id8)
self.t.reportMatch(id11, id10)
# Round 3
self.t.reportMatch(id4, id5)
self.t.reportMatch(id9, id1)
self.t.reportMatch(id7, id11)
self.t.reportMatch(id3, id12)
self.t.reportMatch(id2, id6)
self.t.reportMatch(id10, id8)
pairings = self.t.swissPairings()
self.assertFalse((id6, 'Player 6', id10, 'Player 10') in pairings, "Two players should not play against each onther more than once.")
print "Rematches are prevented."
