d4dcab432c
When running the tests on Python 3, it gets really annoying to see so many logging messages and tracebacks, even though the tests are running fine. This patch improves the situation by catching all the log messages that are emitted during tests execution. Change-Id: Idc62081b768676cc861fb7c53f18175879807e56
111 lines
3.9 KiB
Python
111 lines
3.9 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from cloudbaseinit.plugins.common import execcmd
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from cloudbaseinit.plugins.common import userdatautils
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from cloudbaseinit.tests import testutils
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def _safe_remove(filepath):
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if not filepath:
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return
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try:
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os.remove(filepath)
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except OSError:
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pass
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@mock.patch('cloudbaseinit.osutils.factory.get_os_utils')
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class UserDataUtilsTest(unittest.TestCase):
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def _get_command(self, data):
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"""Get a command from the given data.
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If a command was obtained, then a cleanup will be added in order
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to remove the underlying target path of the command.
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"""
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command = userdatautils._get_command(data)
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if command and not isinstance(command, execcmd.CommandExecutor):
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self.addCleanup(_safe_remove, command._target_path)
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return command
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def test__get_command(self, _):
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command = self._get_command(b'rem cmd test')
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self.assertIsInstance(command, execcmd.Shell)
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command = self._get_command(b'#!/usr/bin/env python\ntest')
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self.assertIsInstance(command, execcmd.Python)
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command = self._get_command(b'#!/bin/bash')
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self.assertIsInstance(command, execcmd.Bash)
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command = self._get_command(b'#ps1_sysnative\n')
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self.assertIsInstance(command, execcmd.PowershellSysnative)
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command = self._get_command(b'#ps1_x86\n')
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self.assertIsInstance(command, execcmd.Powershell)
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command = self._get_command(b'<script>echo test</script>')
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self.assertIsInstance(command, execcmd.CommandExecutor)
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command = self._get_command(b'unknown')
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self.assertIsNone(command)
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def test_execute_user_data_script_no_commands(self, _):
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'userdatautils') as snatcher:
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retval = userdatautils.execute_user_data_script(b"unknown")
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expected_logging = [
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'Unsupported user_data format'
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]
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self.assertEqual(0, retval)
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self.assertEqual(expected_logging, snatcher.output)
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@mock.patch('cloudbaseinit.plugins.common.userdatautils.'
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'_get_command')
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def test_execute_user_data_script_fails(self, mock_get_command, _):
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mock_get_command.return_value.side_effect = ValueError
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with testutils.LogSnatcher('cloudbaseinit.plugins.common.'
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'userdatautils') as snatcher:
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retval = userdatautils.execute_user_data_script(
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mock.sentinel.user_data)
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expected_logging = [
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"An error occurred during user_data execution: ''",
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'User_data script ended with return code: 0'
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]
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self.assertEqual(0, retval)
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self.assertEqual(expected_logging, snatcher.output)
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@mock.patch('cloudbaseinit.plugins.common.userdatautils.'
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'_get_command')
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def test_execute_user_data_script(self, mock_get_command, _):
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mock_get_command.return_value.return_value = (
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mock.sentinel.output, mock.sentinel.error, -1
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)
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retval = userdatautils.execute_user_data_script(
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mock.sentinel.user_data)
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self.assertEqual(-1, retval)
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