def is_cross_config_failure()

in mozci/task.py [0:0]

• 13 lines of code
• 7 McCabe index (conditional complexity)

    def is_cross_config_failure(self, minimum_count: int = 2) -> Optional[bool]:
        states = [
            result.ok
            for task in self.tasks
            for result in task.results
            if result.group == self.name
        ]

        nb = len(states)
        nb_passed = sum(states)  # Number of True booleans in the states list
        nb_failed = nb - nb_passed

        # If the group run on fewer than 'minimum_count' tasks, we don't have enough information to tell.
        if nb < minimum_count:
            return None

        # A group is a cross config failure when it is failing in all tasks and not
        # only in some.
        return nb_failed > 0 and nb_passed == 0