def testReadStat(self):
stat_ret = thrash_protect.ProcessSelector().readStat('/proc/10/stat')
assert_equal(stat_ret.cmd, 'cat')
assert_equal(stat_ret.state, 'R')
assert_equal(stat_ret.majflt, 321)
assert_equal(stat_ret.ppid, 9)
stat_ret2 = thrash_protect.ProcessSelector().readStat(10)
assert_equal(stat_ret, stat_ret2)
def testCheckParents(self):
assert_equal(thrash_protect.ProcessSelector().checkParents(9), (9, ))
assert_equal(thrash_protect.ProcessSelector().checkParents(9, 16077),
(9, ))
assert_equal(thrash_protect.ProcessSelector().checkParents(10),
(9, 10))
assert_equal(thrash_protect.ProcessSelector().checkParents(10, 9),
(9, 10))
def testSimpleFreezeUnfreeze(self, log_unfrozen, log_frozen):
"""This test should assert that suspension and resuming works.
"""
prev = thrash_protect.SystemState()
time.sleep(1)
current = thrash_protect.SystemState()
thrash_protect.global_process_selector.update(prev, current)
## Freezing something 6 times (to make sure we pass the default
## unfreeze_pop_ratio)
my_frozen_pids = []
for i in range(0, 6):
my_frozen_pids.append(thrash_protect.freeze_something())
frozen_calls = log_frozen.call_args_list
assert (len(frozen_calls) >= 6)
my_frozen_pids = [x for x in my_frozen_pids if x]
assert (my_frozen_pids)
for pids in my_frozen_pids:
for pid in pids:
assert_equal(
thrash_protect.ProcessSelector().readStat(pid).state, 'T')
## Unfreeze
for i in range(0, 6):
thrash_protect.unfreeze_something()
assert_equal(log_frozen.call_args_list, frozen_calls)
assert_equal(len(log_unfrozen.call_args_list),
len(log_frozen.call_args_list))
thrash_protect.global_process_selector.update(
current, thrash_protect.SystemState())
## once again, to make sure the "unfreeze_last_frozen" also gets excersised
for i in range(0, 6):
my_frozen_pids.append(thrash_protect.freeze_something())
my_frozen_pids = [x for x in my_frozen_pids if x]
assert (my_frozen_pids)
## Unfreeze
for i in range(0, 6):
thrash_protect.unfreeze_something()