generated from daniil-berg/boilerplate-py
138 lines
6.1 KiB
Python
138 lines
6.1 KiB
Python
import asyncio
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from unittest import TestCase
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from unittest.mock import MagicMock, PropertyMock, patch, call
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from asyncio_taskpool import pool
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EMPTY_LIST, EMPTY_DICT = [], {}
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class BaseTaskPoolTestCase(TestCase):
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def setUp(self) -> None:
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self._pools = getattr(pool.BaseTaskPool, '_pools')
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# These three methods are called during initialization, so we mock them by default during setup
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self._add_pool_patcher = patch.object(pool.BaseTaskPool, '_add_pool')
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self._check_more_allowed_patcher = patch.object(pool.BaseTaskPool, '_check_more_allowed')
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self.__str___patcher = patch.object(pool.BaseTaskPool, '__str__')
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self.mock__add_pool = self._add_pool_patcher.start()
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self.mock__check_more_allowed = self._check_more_allowed_patcher.start()
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self.mock___str__ = self.__str___patcher.start()
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self.mock__add_pool.return_value = self.mock_idx = 123
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self.mock___str__.return_value = self.mock_str = 'foobar'
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# Test pool parameters:
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self.test_pool_size, self.test_pool_name = 420, 'test123'
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self.task_pool = pool.BaseTaskPool(pool_size=self.test_pool_size, name=self.test_pool_name)
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def tearDown(self) -> None:
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setattr(pool.TaskPool, '_pools', self._pools)
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self._add_pool_patcher.stop()
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self._check_more_allowed_patcher.stop()
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self.__str___patcher.stop()
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def test__add_pool(self):
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self.assertListEqual(EMPTY_LIST, self._pools)
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self._add_pool_patcher.stop()
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output = pool.TaskPool._add_pool(self.task_pool)
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self.assertEqual(0, output)
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self.assertListEqual([self.task_pool], getattr(pool.TaskPool, '_pools'))
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def test_init(self):
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self.assertEqual(self.test_pool_size, self.task_pool.pool_size)
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self.assertEqual(self.test_pool_name, self.task_pool._name)
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self.assertDictEqual(EMPTY_DICT, self.task_pool._running)
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self.assertDictEqual(EMPTY_DICT, self.task_pool._cancelled)
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self.assertEqual(0, self.task_pool._ending)
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self.assertDictEqual(EMPTY_DICT, self.task_pool._ended)
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self.assertEqual(self.mock_idx, self.task_pool._idx)
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self.assertIsInstance(self.task_pool._all_tasks_known_flag, asyncio.locks.Event)
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self.assertTrue(self.task_pool._all_tasks_known_flag.is_set())
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self.assertIsInstance(self.task_pool._more_allowed_flag, asyncio.locks.Event)
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self.mock__add_pool.assert_called_once_with(self.task_pool)
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self.mock__check_more_allowed.assert_called_once_with()
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self.mock___str__.assert_called_once_with()
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def test___str__(self):
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self.__str___patcher.stop()
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expected_str = f'{pool.BaseTaskPool.__name__}-{self.test_pool_name}'
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self.assertEqual(expected_str, str(self.task_pool))
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setattr(self.task_pool, '_name', None)
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expected_str = f'{pool.BaseTaskPool.__name__}-{self.task_pool._idx}'
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self.assertEqual(expected_str, str(self.task_pool))
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def test_is_open(self):
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self.task_pool._open = foo = 'foo'
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self.assertEqual(foo, self.task_pool.is_open)
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def test_num_running(self):
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self.task_pool._running = ['foo', 'bar', 'baz']
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self.assertEqual(3, self.task_pool.num_running)
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def test_num_cancelled(self):
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self.task_pool._cancelled = ['foo', 'bar', 'baz']
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self.assertEqual(3, self.task_pool.num_cancelled)
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def test_num_ended(self):
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self.task_pool._ended = ['foo', 'bar', 'baz']
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self.assertEqual(3, self.task_pool.num_ended)
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@patch.object(pool.BaseTaskPool, 'num_ended', new_callable=PropertyMock)
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@patch.object(pool.BaseTaskPool, 'num_cancelled', new_callable=PropertyMock)
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def test_num_finished(self, mock_num_cancelled: MagicMock, mock_num_ended: MagicMock):
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mock_num_cancelled.return_value = cancelled = 69
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mock_num_ended.return_value = ended = 420
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self.task_pool._ending = mock_ending = 2
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self.assertEqual(ended - cancelled + mock_ending, self.task_pool.num_finished)
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mock_num_cancelled.assert_called_once_with()
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mock_num_ended.assert_called_once_with()
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def test_is_full(self):
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self.assertEqual(not self.task_pool._more_allowed_flag.is_set(), self.task_pool.is_full)
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@patch.object(pool.BaseTaskPool, 'num_running', new_callable=PropertyMock)
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@patch.object(pool.BaseTaskPool, 'is_full', new_callable=PropertyMock)
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def test__check_more_allowed(self, mock_is_full: MagicMock, mock_num_running: MagicMock):
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def reset_mocks():
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mock_is_full.reset_mock()
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mock_num_running.reset_mock()
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self._check_more_allowed_patcher.stop()
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# Just reaching limit, we expect flag to become unset:
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mock_is_full.return_value = False
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mock_num_running.return_value = 420
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self.task_pool._more_allowed_flag.clear()
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self.task_pool._check_more_allowed()
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self.assertFalse(self.task_pool._more_allowed_flag.is_set())
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mock_is_full.assert_has_calls([call(), call()])
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mock_num_running.assert_called_once_with()
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reset_mocks()
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# Already at limit, we expect nothing to change:
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mock_is_full.return_value = True
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self.task_pool._check_more_allowed()
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self.assertFalse(self.task_pool._more_allowed_flag.is_set())
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mock_is_full.assert_has_calls([call(), call()])
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mock_num_running.assert_called_once_with()
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reset_mocks()
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# Just finished a task, we expect flag to become set:
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mock_num_running.return_value = 419
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self.task_pool._check_more_allowed()
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self.assertTrue(self.task_pool._more_allowed_flag.is_set())
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mock_is_full.assert_called_once_with()
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mock_num_running.assert_called_once_with()
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reset_mocks()
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# In this state we expect the flag to remain unchanged change:
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mock_is_full.return_value = False
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self.task_pool._check_more_allowed()
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self.assertTrue(self.task_pool._more_allowed_flag.is_set())
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mock_is_full.assert_has_calls([call(), call()])
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mock_num_running.assert_called_once_with()
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def test__task_name(self):
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i = 123
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self.assertEqual(f'{self.mock_str}_Task-{i}', self.task_pool._task_name(i))
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