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Python Postgresql._read_pid_file方法代码示例

本文整理汇总了Python中patroni.postgresql.Postgresql._read_pid_file方法的典型用法代码示例。如果您正苦于以下问题:Python Postgresql._read_pid_file方法的具体用法?Python Postgresql._read_pid_file怎么用?Python Postgresql._read_pid_file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patroni.postgresql.Postgresql的用法示例。


在下文中一共展示了Postgresql._read_pid_file方法的1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: TestPostgresql

# 需要导入模块: from patroni.postgresql import Postgresql [as 别名]
# 或者: from patroni.postgresql.Postgresql import _read_pid_file [as 别名]

#.........这里部分代码省略.........

        def time_in_state(*args):
            return state['sleeps']

        with patch('subprocess.call', side_effect=isready_return):
            with patch('time.sleep', side_effect=increment_sleeps):
                self.p.time_in_state = Mock(side_effect=time_in_state)

                self.p._state = 'stopped'
                self.assertTrue(self.p.wait_for_startup())
                self.assertEquals(state['sleeps'], 0)

                self.p._state = 'starting'
                state['num_rejects'] = 5
                self.assertTrue(self.p.wait_for_startup())
                self.assertEquals(state['sleeps'], 5)

                self.p._state = 'starting'
                state['sleeps'] = 0
                state['final_return'] = 2
                self.assertFalse(self.p.wait_for_startup())

                self.p._state = 'starting'
                state['sleeps'] = 0
                state['final_return'] = 0
                self.assertFalse(self.p.wait_for_startup(timeout=2))
                self.assertEquals(state['sleeps'], 3)

        with patch.object(Postgresql, 'check_startup_state_changed', Mock(return_value=False)):
            self.p.cancel()
            self.p._state = 'starting'
            self.assertIsNone(self.p.wait_for_startup())

    def test_read_pid_file(self):
        pidfile = os.path.join(self.data_dir, 'postmaster.pid')
        if os.path.exists(pidfile):
            os.remove(pidfile)
        self.assertEquals(self.p._read_pid_file(), {})
        with open(pidfile, 'w') as fd:
            fd.write("123\n/foo/bar\n123456789\n5432")
        self.assertEquals(self.p._read_pid_file(), {"pid": "123", "data_dir": "/foo/bar",
                                                    "start_time": "123456789", "port": "5432"})

    def test_pick_sync_standby(self):
        cluster = Cluster(True, None, self.leader, 0, [self.me, self.other, self.leadermem], None,
                          SyncState(0, self.me.name, self.leadermem.name), None)

        with patch.object(Postgresql, "query", return_value=[
                    (self.leadermem.name, 'streaming', 'sync'),
                    (self.me.name, 'streaming', 'async'),
                    (self.other.name, 'streaming', 'async'),
                ]):
            self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, True))

        with patch.object(Postgresql, "query", return_value=[
                    (self.me.name, 'streaming', 'async'),
                    (self.leadermem.name, 'streaming', 'potential'),
                    (self.other.name, 'streaming', 'async'),
                ]):
            self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.leadermem.name, False))

        with patch.object(Postgresql, "query", return_value=[
                    (self.me.name, 'streaming', 'async'),
                    (self.other.name, 'streaming', 'async'),
                ]):
            self.assertEquals(self.p.pick_synchronous_standby(cluster), (self.me.name, False))
开发者ID:jberkus,项目名称:patroni,代码行数:70,代码来源:test_postgresql.py


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