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Python WorkerPool.isDone方法代码示例

本文整理汇总了Python中gppylib.commands.base.WorkerPool.isDone方法的典型用法代码示例。如果您正苦于以下问题:Python WorkerPool.isDone方法的具体用法?Python WorkerPool.isDone怎么用?Python WorkerPool.isDone使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在gppylib.commands.base.WorkerPool的用法示例。


在下文中一共展示了WorkerPool.isDone方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: WorkerPoolTest

# 需要导入模块: from gppylib.commands.base import WorkerPool [as 别名]
# 或者: from gppylib.commands.base.WorkerPool import isDone [as 别名]
class WorkerPoolTest(unittest.TestCase):
    def setUp(self):
        self.pool = WorkerPool(numWorkers=1, logger=mock.Mock())

    def tearDown(self):
        # All background threads must be stopped, or else the test runner will
        # hang waiting. Join the stopped threads to make sure we're completely
        # clean for the next test.
        self.pool.haltWork()
        self.pool.joinWorkers()

    def test_pool_must_have_some_workers(self):
        with self.assertRaises(Exception):
            WorkerPool(numWorkers=0)
        
    def test_pool_runs_added_command(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd)
        self.pool.join()

        cmd.run.assert_called_once_with()

    def test_completed_commands_are_retrievable(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd) # should quickly be completed
        self.pool.join()

        self.assertEqual(self.pool.getCompletedItems(), [cmd])

    def test_pool_is_not_marked_done_until_commands_finish(self):
        cmd = mock.Mock(spec=Command)

        # cmd.run() will block until this Event is set.
        event = threading.Event()
        def wait_for_event():
            event.wait()
        cmd.run.side_effect = wait_for_event

        self.assertTrue(self.pool.isDone())

        try:
            self.pool.addCommand(cmd)
            self.assertFalse(self.pool.isDone())

        finally:
            # Make sure that we unblock the thread even on a test failure.
            event.set()

        self.pool.join()

        self.assertTrue(self.pool.isDone())

    def test_pool_can_be_emptied_of_completed_commands(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd)
        self.pool.join()

        self.pool.empty_completed_items()
        self.assertEqual(self.pool.getCompletedItems(), [])

    def test_check_results_succeeds_when_no_items_fail(self):
        cmd = mock.Mock(spec=Command)

        # Command.get_results() returns a CommandResult.
        # CommandResult.wasSuccessful() should return True if the command
        # succeeds.
        result = cmd.get_results.return_value
        result.wasSuccessful.return_value = True

        self.pool.addCommand(cmd)
        self.pool.join()
        self.pool.check_results()

    def test_check_results_throws_exception_at_first_failure(self):
        cmd = mock.Mock(spec=Command)

        # Command.get_results() returns a CommandResult.
        # CommandResult.wasSuccessful() should return False to simulate a
        # failure.
        result = cmd.get_results.return_value
        result.wasSuccessful.return_value = False

        self.pool.addCommand(cmd)
        self.pool.join()

        with self.assertRaises(ExecutionError):
            self.pool.check_results()

    def test_join_with_timeout_returns_done_immediately_if_there_is_nothing_to_do(self):
        start = time.time()
        done = self.pool.join(10)
        delta = time.time() - start

        self.assertTrue(done)

        # "Returns immediately" is a difficult thing to test. Longer than two
        # seconds seems like a reasonable failure case, even on a heavily loaded
#.........这里部分代码省略.........
开发者ID:pf-qiu,项目名称:gpdb,代码行数:103,代码来源:test_unit_workerpool.py

示例2: WorkerPoolTest

# 需要导入模块: from gppylib.commands.base import WorkerPool [as 别名]
# 或者: from gppylib.commands.base.WorkerPool import isDone [as 别名]
class WorkerPoolTest(unittest.TestCase):
    def setUp(self):
        self.pool = WorkerPool(numWorkers=1, logger=mock.Mock())

    def tearDown(self):
        # All background threads must be stopped, or else the test runner will
        # hang waiting. Join the stopped threads to make sure we're completely
        # clean for the next test.
        self.pool.haltWork()
        self.pool.joinWorkers()

    def test_pool_must_have_some_workers(self):
        with self.assertRaises(Exception):
            WorkerPool(numWorkers=0)
        
    def test_pool_runs_added_command(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd)
        self.pool.join()

        cmd.run.assert_called_once_with()

    def test_completed_commands_are_retrievable(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd) # should quickly be completed
        self.pool.join()

        self.assertEqual(self.pool.getCompletedItems(), [cmd])

    def test_pool_is_not_marked_done_until_commands_finish(self):
        cmd = mock.Mock(spec=Command)

        # cmd.run() will block until this Event is set.
        event = threading.Event()
        def wait_for_event():
            event.wait()
        cmd.run.side_effect = wait_for_event

        self.assertTrue(self.pool.isDone())

        try:
            self.pool.addCommand(cmd)
            self.assertFalse(self.pool.isDone())

        finally:
            # Make sure that we unblock the thread even on a test failure.
            event.set()

        self.pool.join()

        self.assertTrue(self.pool.isDone())

    def test_pool_can_be_emptied_of_completed_commands(self):
        cmd = mock.Mock(spec=Command)

        self.pool.addCommand(cmd)
        self.pool.join()

        self.pool.empty_completed_items()
        self.assertEqual(self.pool.getCompletedItems(), [])

    def test_check_results_succeeds_when_no_items_fail(self):
        cmd = mock.Mock(spec=Command)

        # Command.get_results() returns a CommandResult.
        # CommandResult.wasSuccessful() should return True if the command
        # succeeds.
        result = cmd.get_results.return_value
        result.wasSuccessful.return_value = True

        self.pool.addCommand(cmd)
        self.pool.join()
        self.pool.check_results()

    def test_check_results_throws_exception_at_first_failure(self):
        cmd = mock.Mock(spec=Command)

        # Command.get_results() returns a CommandResult.
        # CommandResult.wasSuccessful() should return False to simulate a
        # failure.
        result = cmd.get_results.return_value
        result.wasSuccessful.return_value = False

        self.pool.addCommand(cmd)
        self.pool.join()

        with self.assertRaises(ExecutionError):
            self.pool.check_results()

    def test_join_with_timeout_returns_done_immediately_if_there_is_nothing_to_do(self):
        start = time.time()
        done = self.pool.join(10)
        delta = time.time() - start

        self.assertTrue(done)

        # "Returns immediately" is a difficult thing to test. Longer than two
        # seconds seems like a reasonable failure case, even on a heavily loaded
#.........这里部分代码省略.........
开发者ID:adam8157,项目名称:gpdb,代码行数:103,代码来源:test_unit_workerpool.py


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