tests/utils/test_weight_rule.py

# -*- coding: utf-8 -*-
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
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#   http://www.apache.org/licenses/LICENSE-2.0
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import unittest
from airflow.utils.weight_rule import WeightRule


class TestWeightRule(unittest.TestCase):

    def test_valid_weight_rules(self):
        self.assertTrue(WeightRule.is_valid(WeightRule.DOWNSTREAM))
        self.assertTrue(WeightRule.is_valid(WeightRule.UPSTREAM))
        self.assertTrue(WeightRule.is_valid(WeightRule.ABSOLUTE))
        self.assertEqual(len(WeightRule.all_weight_rules()), 3)