from celery.tests.utils import unittest

from celery.states import state
from celery import states


class test_state_precedence(unittest.TestCase):

    def test_gt(self):
        self.assertGreater(state(states.SUCCESS),
                           state(states.PENDING))
        self.assertGreater(state(states.FAILURE),
                           state(states.RECEIVED))
        self.assertGreater(state(states.REVOKED),
                           state(states.STARTED))
        self.assertGreater(state(states.SUCCESS),
                           state("CRASHED"))
        self.assertGreater(state(states.FAILURE),
                           state("CRASHED"))
        self.assertFalse(state(states.REVOKED) > state("CRASHED"))

    def test_lt(self):
        self.assertLess(state(states.PENDING), state(states.SUCCESS))
        self.assertLess(state(states.RECEIVED), state(states.FAILURE))
        self.assertLess(state(states.STARTED), state(states.REVOKED))
        self.assertLess(state("CRASHED"), state(states.SUCCESS))
        self.assertLess(state("CRASHED"), state(states.FAILURE))
        self.assertTrue(state(states.REVOKED) < state("CRASHED"))
        self.assertTrue(state(states.REVOKED) <= state("CRASHED"))
        self.assertTrue(state("CRASHED") >= state(states.REVOKED))