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Fix scoreboard tie resolving with 0-point chals (#577) (#578)

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* Fix scoreboard tie resolving with 0-point chals
* Closes #577
This commit is contained in:
krzys_h
2018-02-20 02:26:06 +01:00
committed by Kevin Chung
parent 54d12460d5
commit 62f6e6ff84
4 changed files with 170 additions and 72 deletions
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152
tests/user/test_scoreboard.py
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@@ -78,3 +78,155 @@ def test_top_10():
received = json.loads(response)
assert saved == received
destroy_ctfd(app)
def test_scoring_logic():
"""Test that scoring logic is correct"""
app = create_ctfd()
with app.app_context():
admin = login_as_user(app, name="admin", password="password")
register_user(app, name="user1", email="user1@ctfd.io", password="password")
client1 = login_as_user(app, name="user1", password="password")
register_user(app, name="user2", email="user2@ctfd.io", password="password")
client2 = login_as_user(app, name="user2", password="password")
chal1 = gen_challenge(app.db)
flag1 = gen_flag(app.db, chal=chal1.id, flag='flag')
chal1_id = chal1.id
chal2 = gen_challenge(app.db)
flag2 = gen_flag(app.db, chal=chal2.id, flag='flag')
chal2_id = chal2.id
# user1 solves chal1
with freeze_time("2017-10-3 03:21:34"):
with client1.session_transaction() as sess:
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client1.post('/chal/{}'.format(chal1_id), data=data)
# user1 is now on top
scores = get_scores(admin)
assert scores[0]['team'] == 'user1'
# user2 solves chal1 and chal2
with freeze_time("2017-10-4 03:30:34"):
with client2.session_transaction() as sess:
# solve chal1
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client2.post('/chal/{}'.format(chal1_id), data=data)
# solve chal2
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client2.post('/chal/{}'.format(chal2_id), data=data)
# user2 is now on top
scores = get_scores(admin)
assert scores[0]['team'] == 'user2'
# user1 solves chal2
with freeze_time("2017-10-5 03:50:34"):
with client1.session_transaction() as sess:
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client1.post('/chal/{}'.format(chal2_id), data=data)
# user2 should still be on top because they solved chal2 first
scores = get_scores(admin)
assert scores[0]['team'] == 'user2'
destroy_ctfd(app)
def test_scoring_logic_with_zero_point_challenges():
"""Test that scoring logic is correct with zero point challenges. Zero point challenges should not tie break"""
app = create_ctfd()
with app.app_context():
admin = login_as_user(app, name="admin", password="password")
register_user(app, name="user1", email="user1@ctfd.io", password="password")
client1 = login_as_user(app, name="user1", password="password")
register_user(app, name="user2", email="user2@ctfd.io", password="password")
client2 = login_as_user(app, name="user2", password="password")
chal1 = gen_challenge(app.db)
flag1 = gen_flag(app.db, chal=chal1.id, flag='flag')
chal1_id = chal1.id
chal2 = gen_challenge(app.db)
flag2 = gen_flag(app.db, chal=chal2.id, flag='flag')
chal2_id = chal2.id
# A 0 point challenge shouldn't influence the scoreboard (see #577)
chal0 = gen_challenge(app.db, value=0)
flag0 = gen_flag(app.db, chal=chal0.id, flag='flag')
chal0_id = chal0.id
# user1 solves chal1
with freeze_time("2017-10-3 03:21:34"):
with client1.session_transaction() as sess:
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client1.post('/chal/{}'.format(chal1_id), data=data)
# user1 is now on top
scores = get_scores(admin)
assert scores[0]['team'] == 'user1'
# user2 solves chal1 and chal2
with freeze_time("2017-10-4 03:30:34"):
with client2.session_transaction() as sess:
# solve chal1
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client2.post('/chal/{}'.format(chal1_id), data=data)
# solve chal2
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client2.post('/chal/{}'.format(chal2_id), data=data)
# user2 is now on top
scores = get_scores(admin)
assert scores[0]['team'] == 'user2'
# user1 solves chal2
with freeze_time("2017-10-5 03:50:34"):
with client1.session_transaction() as sess:
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client1.post('/chal/{}'.format(chal2_id), data=data)
# user2 should still be on top because they solved chal2 first
scores = get_scores(admin)
assert scores[0]['team'] == 'user2'
# user2 solves a 0 point challenge
with freeze_time("2017-10-5 03:55:34"):
with client2.session_transaction() as sess:
data = {
"key": 'flag',
"nonce": sess.get('nonce')
}
r = client2.post('/chal/{}'.format(chal0_id), data=data)
# user2 should still be on top because 0 point challenges should not tie break
scores = get_scores(admin)
assert scores[0]['team'] == 'user2'
destroy_ctfd(app)