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# mypy: allow-untyped-defs
from unittest import mock
from tools.wpt import revlist
def test_calculate_cutoff_date():
assert revlist.calculate_cutoff_date(3601, 3600, 0) == 3600
assert revlist.calculate_cutoff_date(3600, 3600, 0) == 3600
assert revlist.calculate_cutoff_date(3599, 3600, 0) == 0
assert revlist.calculate_cutoff_date(3600, 3600, 1) == 1
assert revlist.calculate_cutoff_date(3600, 3600, -1) == 3599
def test_parse_epoch():
assert revlist.parse_epoch("10h") == 36000
assert revlist.parse_epoch("10d") == 864000
assert revlist.parse_epoch("10w") == 6048000
def check_revisions(tagged_revisions, expected_revisions):
for tagged, expected in zip(tagged_revisions, expected_revisions):
assert tagged == expected
@mock.patch('subprocess.check_output')
def test_get_epoch_revisions(mocked_check_output):
# check:
#
# * Several revisions in the same epoch offset (BC, DEF, HIJ, and LM)
# * Revision with a timestamp exactly equal to the epoch boundary (H)
# * Revision in non closed interval (O)
#
# mon tue wed thu fri sat sun mon thu wed
# | | | | | | | | |
# -A---B-C---DEF---G---H--IJ----------K-----L-M----N--O--
# ^
# until
# max_count: 5; epoch: 1d
# Expected result: N,M,K,J,G,F,C,A
epoch = 86400
until = 1188000 # Wednesday, 14 January 1970 18:00:00 UTC
mocked_check_output.return_value = b'''
merge_pr_O O 1166400 _wed_
merge_pr_N N 1080000 _tue_
merge_pr_M M 1015200 _mon_
merge_pr_L L 993600 _mon_
merge_pr_K K 907200 _sun_
merge_pr_J J 734400 _fri_
merge_pr_I I 712800 _fri_
merge_pr_H H 691200 _fri_
merge_pr_G G 648000 _thu_
merge_pr_F F 583200 _wed_
merge_pr_E E 561600 _wed_
merge_pr_D D 540000 _wed_
merge_pr_C C 475200 _tue_
merge_pr_B B 453600 _tue_
merge_pr_A A 388800 _mon_
'''
tagged_revisions = revlist.get_epoch_revisions(epoch, until, 8)
check_revisions(tagged_revisions, ['N', 'M', 'K', 'J', 'G', 'F', 'C', 'A'])
assert len(list(tagged_revisions)) == 0 # generator exhausted
# check: max_count with enough candidate items in the revision list
#
# mon tue wed thu fri sat sun mon
# | | | | | | |
# ------B-----C-----D----E-----F-----G------H---
# ^
# until
# max_count: 5; epoch: 1d
# Expected result: G,F,E,D,C
epoch = 86400
until = 1015200 # Monday, 12 January 1970 18:00:00 UTC
mocked_check_output.return_value = b'''
merge_pr_H H 993600 _mon_
merge_pr_G G 907200 _sun_
merge_pr_F F 820800 _sat_
merge_pr_E E 734400 _fri_
merge_pr_D D 648000 _thu_
merge_pr_C C 561600 _wed_
merge_pr_B B 475200 _thu_
'''
tagged_revisions = revlist.get_epoch_revisions(epoch, until, 5)
check_revisions(tagged_revisions, ['G', 'F', 'E', 'D', 'C'])
assert len(list(tagged_revisions)) == 0 # generator exhausted
# check: max_count with less returned candidates items than the needed
#
# mon tue wed thu fri sat sun mon
# | | | | | | |
# -----------------------------F-----G------H---
# ^
# until
# max_count: 5; epoch: 1d
# Expected result: G,F
epoch = 86400
until = 1015200 # Monday, 12 January 1970 18:00:00 UTC
mocked_check_output.return_value = b'''
merge_pr_H H 993600 _mon_
merge_pr_G G 907200 _sun_
merge_pr_F F 820800 _sat_
'''
tagged_revisions = revlist.get_epoch_revisions(epoch, until, 5)
check_revisions(tagged_revisions, ['G', 'F'])
assert len(list(tagged_revisions)) == 0 # generator exhausted
# check: initial until value is on an epoch boundary
#
# sud mon tue wed thu
# | | | |
# -F-G-----------------H
# ^
# until
# max_count: 3; epoch: 1d
# Expected result: G,F
# * H is skipped because because the epoch
# interval is defined as an right-open interval
# * G is included but in the Monday's interval
# * F is included because it is the unique candidate
# included in the Sunday's interval
epoch = 86400
until = 1296000 # Thursday, 15 January 1970 0:00:00 UTC
mocked_check_output.return_value = b'''
merge_pr_H H 1296000 _wed_
merge_pr_G G 950400 _mon_
merge_pr_F F 921600 _sud_
'''
tagged_revisions = revlist.get_epoch_revisions(epoch, until, 3)
check_revisions(tagged_revisions, ['G', 'F'])
assert len(list(tagged_revisions)) == 0 # generator exhausted
# check: until aligned with Monday, 5 January 1970 0:00:00 (345600)
# not with Thursday, 1 January 1970 0:00:00 (0)
#
# sud mon tue wed thu
# | | | |
# -F-G--------------H---
# ^
# until
# max_count: 1; epoch: 1w
# Expected result: F
epoch = 604800
moday = 950400 # Monday, 12 January 1970 00:00:00 UTC
until = moday + 345600 # 1296000. Thursday, 15 January 1970 0:00:00 UTC
mocked_check_output.return_value = b'''
merge_pr_H H 1180800 _wed_
merge_pr_G G 950400 _mon_
merge_pr_F F 921600 _sud_
'''
tagged_revisions = revlist.get_epoch_revisions(epoch, until, 1)
check_revisions(tagged_revisions, ['F'])
assert len(list(tagged_revisions)) == 0 # generator exhausted