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* Adjust all __future__ imports: for i in $(grep -REl "__future__.*absolute_import" plugins/ tests/); do sed -e 's/from __future__ import .*/from __future__ import annotations/g' -i $i; done * Remove all UTF-8 encoding specifications for Python source files: for i in $(grep -REl '[-][*]- coding: utf-8 -[*]-' plugins/ tests/); do sed -e '/^# -\*- coding: utf-8 -\*-/d' -i $i; done * Remove __metaclass__ = type: for i in $(grep -REl '__metaclass__ = type' plugins/ tests/); do sed -e '/^__metaclass__ = type/d' -i $i; done
53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
# Copyright (c) Ansible project
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# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
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# SPDX-License-Identifier: GPL-3.0-or-later
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from __future__ import annotations
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import random
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from ansible_collections.community.internal_test_tools.tests.unit.compat import unittest
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from ansible_collections.community.general.plugins.module_utils.cloud import _exponential_backoff, \
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_full_jitter_backoff
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class ExponentialBackoffStrategyTestCase(unittest.TestCase):
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def test_no_retries(self):
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strategy = _exponential_backoff(retries=0)
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result = list(strategy())
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self.assertEqual(result, [], 'list should be empty')
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def test_exponential_backoff(self):
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strategy = _exponential_backoff(retries=5, delay=1, backoff=2)
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result = list(strategy())
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self.assertEqual(result, [1, 2, 4, 8, 16])
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def test_max_delay(self):
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strategy = _exponential_backoff(retries=7, delay=1, backoff=2, max_delay=60)
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result = list(strategy())
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self.assertEqual(result, [1, 2, 4, 8, 16, 32, 60])
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def test_max_delay_none(self):
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strategy = _exponential_backoff(retries=7, delay=1, backoff=2, max_delay=None)
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result = list(strategy())
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self.assertEqual(result, [1, 2, 4, 8, 16, 32, 64])
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class FullJitterBackoffStrategyTestCase(unittest.TestCase):
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def test_no_retries(self):
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strategy = _full_jitter_backoff(retries=0)
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result = list(strategy())
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self.assertEqual(result, [], 'list should be empty')
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def test_full_jitter(self):
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retries = 5
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seed = 1
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r = random.Random(seed)
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expected = [r.randint(0, 2**i) for i in range(0, retries)]
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strategy = _full_jitter_backoff(
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retries=retries, delay=1, _random=random.Random(seed))
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result = list(strategy())
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self.assertEqual(result, expected)
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