def test_stores_integer_return_value_of_function_as_exitcode(self):
def check_args():
return 42
task = Task(check_args)
task.start()
task.join()
assert_that(task.exitcode, is_(42))
def test_sets_niceness(self):
if os.nice(0) > 18:
raise SkipTest(
'This test can only be run with a niceness of 18 or lower.')
def return_niceness():
return os.nice(0)
task = Task(return_niceness, niceness=1)
task.start()
task.join()
assert_that(task.exitcode, is_(os.nice(0) + 1))
def test_start_passes_args_to_task(self):
def check_args(one, two, key):
if one == 1 and two == 2 and key == 3:
return 0
else:
return -1
task = Task(check_args, (1, 2), kwargs={'key': 3})
task.start()
task.join()
assert_that(task.exitcode, described_as(
'correct arguments were passed to function', is_(0)))
def test_handles_join_on_unstarted_and_terminated_task(self):
task = Task(noop)
task.terminate()
task.join()
def test_handles_terminate_on_unstarted_task(self):
task = Task(noop)
task.terminate()
assert_that(task.state, is_(State.FINISHED))
def test_state_after_exception_is_finished(self):
task = Task(raise_exception)
with patch('sys.stderr'):
task.start()
task.join()
assert_that(task.state, is_(State.FINISHED))
def test_exitcode_after_exception_is_not_zero(self):
task = Task(raise_exception)
with patch('sys.stderr'):
task.start()
task.join()
assert_that(task.exitcode, is_not(0))
def test_exitcode_set_after_process_finished(self):
task = Task(noop)
task.start()
task.join()
assert_that(task.exitcode, is_(0))
def test_start_sets_pid(self):
task = Task(noop)
task.start()
assert_that(task.pid, is_(greater_than_or_equal_to(0)))
