def test_report_matches(self):
"""Test reporting matches."""
tournament_id = tournament.register_tournament(
"Test Matches Tournament", 4)
player_names = ("Bruno Walton", "Boots O'Neal", "Cathy Burton",
"Diane Grant")
for player_name in player_names:
tournament.register_player_in_tournament(
tournament.register_player(player_name), tournament_id)
standings = tournament.player_standings_by_tournament(tournament_id)
player1, player2, player3, player4 = [row[0] for row in standings]
tournament.report_match(player1, player2, tournament_id)
tournament.report_match(player3, player4, tournament_id)
standings = tournament.player_standings()
for id, name, wins, matches in standings:
# Each player should have one match recorded
self.assertEqual(matches, 1)
# Each match winner should have one win recorded
if id in (player1, player3):
self.assertEqual(wins, 1)
# Each match loser should have zero wins recorded
elif id in (player2, player4):
self.assertEqual(wins, 0)
print "* After a match, players have updated standings."
def test_standings_before_matches(self):
"""Test players standings before matches."""
tournament.register_player("Melpomene Murray")
tournament.register_player("Randy Schwartz")
standings = tournament.player_standings()
# Players should appear in player_standings before playing in matches
# Only registered players should appear in standings
self.assertEqual(len(standings), 2)
# Each player_standings row should have four columns
self.assertEqual(len(standings[0]), 4)
# Newly registered players should have no matches or wins
[(id1, name1, wins1, match1), (id2, name2, wins2, match2)] = standings
for standing in (match1, match2, wins1, wins2):
self.assertEqual(standing, 0)
# Registered players' names should appear in standings even when
# no matches have been played.
self.assertEqual(set([name1, name2]),
set(["Melpomene Murray", "Randy Schwartz"]))
print(
"* Newly registered players appear in the "
"standings with no matches.")
def test_standings_before_matches(self):
"""Test to ensure players are properly represented in standings.
Standings are analysed prior to any matches being reported.
"""
self._register_players(["Melpomene Murray", "Randy Schwartz"])
standings = player_standings()
self._assert_standings_length(standings)
self._assert_standings_values(standings)
msg = "6. Newly registered players appear"
print msg + " in the standings with no matches."
def _assert_standings_values_after_first_round(self, id1, id2, id3, id4):
standings = player_standings()
for (i, n, w, m) in standings:
self.assertEqual(
m, 1, "Each player should have one match recorded.")
if i in (id1, id3):
self.assertTrue(
w == 1, "Each match winner should have one win recorded.")
if i in (id2, id4):
self.assertTrue(
w == 0, "Each match loser should have zero wins recorded.")
def _assert_standings_values_after_first_round(self, id1, id2, id3, id4):
standings = player_standings()
for (i, n, w, m) in standings:
self.assertEqual(m, 1,
"Each player should have one match recorded.")
if i in (id1, id3):
self.assertTrue(
w == 1, "Each match winner should have one win recorded.")
if i in (id2, id4):
self.assertTrue(
w == 0, "Each match loser should have zero wins recorded.")
def test_standings_before_matches(self):
"""Test to ensure players are properly represented in standings.
Standings are analysed prior to any matches being reported.
"""
self._register_players(["Melpomene Murray", "Randy Schwartz"])
standings = player_standings()
self._assert_standings_length(standings)
self._assert_standings_values(standings)
msg = "6. Newly registered players appear"
print msg + " in the standings with no matches."
def _assert_standings_values_after_delete_matches(self):
standings = player_standings()
self.assertEqual(len(
standings), 4, "Match deletion should not change number of players \
in standings.")
for (i, n, w, m) in standings:
self.assertEqual(
m, 0, "After deleting matches, players should have zero matches \
recorded.")
self.assertEqual(
w, 0, "After deleting matches, players should have zero wins \
recorded.")
def test_report_matches():
'''This function tests to see if after a match the players' standing
have been updated.'''
tournament.delete_matches()
tournament.delete_players()
tournament.register_player("Bruno Walton")
tournament.register_player("Boots O'Neal")
tournament.register_player("Cathy Burton")
tournament.register_player("Diane Grant")
standings = tournament.player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
tournament.report_match(id1, id2)
tournament.report_match(id3, id4)
standings = tournament.player_standings()
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 "7. After a match, players have updated standings."
def _assert_standings_values_after_delete_matches(self):
standings = player_standings()
self.assertEqual(
len(standings), 4,
"Match deletion should not change number of players \
in standings.")
for (i, n, w, m) in standings:
self.assertEqual(
m, 0,
"After deleting matches, players should have zero matches \
recorded.")
self.assertEqual(
w, 0, "After deleting matches, players should have zero wins \
recorded.")
def test_prevent_rematches(self):
"""Test that the system does not allow rematches.
Test that the system prevent matches between a player and himself.
"""
self._register_players(
["Bruno Walton", "Boots O'Neal", "Cathy Burton", "Diane Grant"])
standings = player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
report_match(id1, id2)
report_match(id3, id4)
self.assertRaises(DatabaseError, report_match(id2, id1))
self.assertRaises(DatabaseError, report_match(id2, id2))
print "11. Rematches are properly prevented."
def test_prevent_rematches(self):
"""Test that the system does not allow rematches.
Test that the system prevent matches between a player and himself.
"""
self._register_players(
["Bruno Walton", "Boots O'Neal", "Cathy Burton", "Diane Grant"])
standings = player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
report_match(id1, id2)
report_match(id3, id4)
self.assertRaises(DatabaseError, report_match(id2, id1))
self.assertRaises(DatabaseError, report_match(id2, id2))
print "11. Rematches are properly prevented."
def test_report_matches(self):
"""Test that matches are reported properly.
Test to confirm matches are deleted properly.
"""
self._register_players(
["Bruno Walton", "Boots O'Neal", "Cathy Burton", "Diane Grant"])
standings = player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
report_match(id1, id2)
report_match(id3, id4)
self._assert_standings_values_after_first_round(id1, id2, id3, id4)
print "7. After a match, players have updated standings."
delete_matches()
self._assert_standings_values_after_delete_matches()
print "8. After match deletion, player standings are properly reset."
print "9. Matches are properly deleted."
def test_report_matches(self):
"""Test that matches are reported properly.
Test to confirm matches are deleted properly.
"""
self._register_players(
["Bruno Walton", "Boots O'Neal", "Cathy Burton", "Diane Grant"])
standings = player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
report_match(id1, id2)
report_match(id3, id4)
self._assert_standings_values_after_first_round(id1, id2, id3, id4)
print "7. After a match, players have updated standings."
delete_matches()
self._assert_standings_values_after_delete_matches()
print "8. After match deletion, player standings are properly reset."
print "9. Matches are properly deleted."
def test_report_match_with_tie(self):
"""Test reporting a match tie."""
tournament_id = tournament.register_tournament(
"Test Matches With Tie Tournament", 2)
player_names = ("Bruno Walton", "Boots O'Neal")
for player_name in player_names:
tournament.register_player_in_tournament(
tournament.register_player(player_name), tournament_id)
standings = tournament.player_standings_by_tournament(tournament_id)
player1, player2 = [row[0] for row in standings]
tournament.report_match(player1, player2, tournament_id, tie=True)
standings = tournament.player_standings()
for id, name, wins, matches in standings:
# Each player should have one match recorded
self.assertEqual(matches, 1)
# Each match winner should have one win recorded
self.assertEqual(wins, 1)
print "* After a match tie, tied players both have wins."
def test_pairings(self):
"""Test that pairings are generated properly.
Test this before and after match reporting.
"""
players = ["Twilight Sparkle", "Fluttershy", "Applejack", "Pinkie Pie",
"Rarity", "Rainbow Dash", "Princess Celestia",
"Princess Luna"]
self._register_players(players)
standings = player_standings()
[id1, id2, id3, id4, id5, id6, id7, id8] = [row[0]
for row in standings]
self._assert_pairings_length()
self._register_first_round(id1, id2, id3, id4, id5, id6, id7, id8)
pairings = self._assert_pairings_length()
self._assert_pairings_after_first_round(
pairings, id1, id2, id3, id4, id5, id6, id7, id8)
print "10. After one match, players with one win are properly paired."
def stats(self):
"""Display player_standings.
Id | Name | Wins | Matches
1 | Player 1 | 1 | 1
2 | Player 2 | 0 | 1
Returns:
first player's name
"""
standings = player_standings()
print '----------------------------'
print 'Id | Name | Wins | Matches'
print '----------------------------'
j = 0
while j < self.NR_OF_PLAYERS:
print str(standings[j][0]) + " | " + str(standings[j][1]) + " | " \
+ str(standings[j][2]) + " | " + str(standings[j][3])
j += 1
return standings[0][1]
def stats(self):
"""Display player_standings.
Id | Name | Wins | Matches
1 | Player 1 | 1 | 1
2 | Player 2 | 0 | 1
Returns:
first player's name
"""
standings = player_standings()
print '----------------------------'
print 'Id | Name | Wins | Matches'
print '----------------------------'
j = 0
while j < self.NR_OF_PLAYERS:
print str(standings[j][0]) + " | " + str(standings[j][1]) + " | " \
+ str(standings[j][2]) + " | " + str(standings[j][3])
j += 1
return standings[0][1]
def test_pairings(self):
"""Test that pairings are generated properly.
Test this before and after match reporting.
"""
players = [
"Twilight Sparkle", "Fluttershy", "Applejack", "Pinkie Pie",
"Rarity", "Rainbow Dash", "Princess Celestia", "Princess Luna"
]
self._register_players(players)
standings = player_standings()
[id1, id2, id3, id4, id5, id6, id7,
id8] = [row[0] for row in standings]
self._assert_pairings_length()
self._register_first_round(id1, id2, id3, id4, id5, id6, id7, id8)
pairings = self._assert_pairings_length()
self._assert_pairings_after_first_round(pairings, id1, id2, id3, id4,
id5, id6, id7, id8)
print "10. After one match, players with one win are properly paired."
def test_pairings():
'''This tests to see if match pairings work properly.'''
tournament.delete_matches()
tournament.delete_players()
tournament.register_player("Twilight Sparkle")
tournament.register_player("Fluttershy")
tournament.register_player("Applejack")
tournament.register_player("Pinkie Pie")
standings = tournament.player_standings()
[id1, id2, id3, id4] = [row[0] for row in standings]
tournament.report_match(id1, id2)
tournament.report_match(id3, id4)
pairings = tournament.swiss_pairings()
if len(pairings) != 2:
raise ValueError(
"For four players, swiss_Pairings 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 "8. After one match, players with one win are paired."
def test_standings_before_matches():
'''This function tests if newly registred players appear in the
standings without any matches'''
tournament.delete_matches()
tournament.delete_players()
tournament.register_player("Melpomene Murray")
tournament.register_player("Randy Schwartz")
standings = tournament.player_standings()
if len(standings) < 2:
raise ValueError("Players should appear in player_standings 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 player_standings 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 "6. Newly registered players appear in the standings "\
"with no matches."
