def test_should_pass_if_task_was_started_immediately(self):
dag = self._prepare_parent_child_dag()
dag.id = '1'
tasks = [
TaskLog(id='parent_1', workflow='1', task_id='parent', started=0.0, finished=10.0,
vm=1, result='OK'),
TaskLog(id='child1_1', workflow='1', task_id='child1', started=10.0, finished=13.0,
vm=1, result='OK'),
TaskLog(id='child2_1', workflow='1', task_id='child2', started=10.0, finished=15.0,
vm=2, result='OK')]
result = order_validator.validate(dag, tasks)
self.assertTrue(result.is_valid)
def test_should_fail_if_any_following_task_was_finished_before(self):
dag = self._prepare_parent_child_dag()
dag.id = '1'
tasks = [
TaskLog(id='parent_1', workflow='1', task_id='parent', started=0.0, finished=10.0,
vm=1, result='OK'),
TaskLog(id='child1_1', workflow='1', task_id='child1', started=11.0, finished=13.0,
vm=1, result='OK'),
TaskLog(id='child2_1', workflow='1', task_id='child2', started=5.0, finished=8.0,
vm=2, result='OK')]
result = order_validator.validate(dag, tasks)
self.assertFalse(result.is_valid)
self.assertIn('child2', result.errors[0])
def test_should_pass_when_order_is_correct(self):
dag = self._prepare_parent_child_dag()
dag.id = '1'
tasks = [
TaskLog(id='parent_1', workflow='1', task_id='parent', started=0.0, finished=10.0,
vm=1, result='OK'),
TaskLog(id='child1_1', workflow='1', task_id='child1', started=11.0, finished=13.0,
vm=1, result='OK'),
TaskLog(id='child2_1', workflow='1', task_id='child2', started=12.0, finished=15.0,
vm=2, result='OK')]
result = order_validator.validate(dag, tasks)
self.assertTrue(result.is_valid)
self.assertListEqual([], result.errors)