mirror of
https://github.com/ansible-collections/community.general.git
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77 lines
2.2 KiB
Python
77 lines
2.2 KiB
Python
# Copyright (c) 2016, Matt Davis <mdavis@ansible.com>
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# Copyright (c) 2016, Toshio Kuratomi <tkuratomi@ansible.com>
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#
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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 (absolute_import, division, print_function)
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__metaclass__ = type
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import sys
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import json
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from contextlib import contextmanager
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from io import BytesIO, StringIO
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from ansible_collections.community.general.tests.unit.compat import unittest
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from ansible.module_utils.six import PY3
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from ansible.module_utils.common.text.converters import to_bytes
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@contextmanager
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def swap_stdin_and_argv(stdin_data='', argv_data=tuple()):
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"""
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context manager that temporarily masks the test runner's values for stdin and argv
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"""
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real_stdin = sys.stdin
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real_argv = sys.argv
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if PY3:
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fake_stream = StringIO(stdin_data)
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fake_stream.buffer = BytesIO(to_bytes(stdin_data))
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else:
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fake_stream = BytesIO(to_bytes(stdin_data))
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try:
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sys.stdin = fake_stream
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sys.argv = argv_data
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yield
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finally:
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sys.stdin = real_stdin
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sys.argv = real_argv
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@contextmanager
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def swap_stdout():
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"""
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context manager that temporarily replaces stdout for tests that need to verify output
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"""
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old_stdout = sys.stdout
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if PY3:
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fake_stream = StringIO()
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else:
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fake_stream = BytesIO()
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try:
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sys.stdout = fake_stream
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yield fake_stream
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finally:
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sys.stdout = old_stdout
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class ModuleTestCase(unittest.TestCase):
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def setUp(self, module_args=None):
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if module_args is None:
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module_args = {'_ansible_remote_tmp': '/tmp', '_ansible_keep_remote_files': False}
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args = json.dumps(dict(ANSIBLE_MODULE_ARGS=module_args))
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# unittest doesn't have a clean place to use a context manager, so we have to enter/exit manually
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self.stdin_swap = swap_stdin_and_argv(stdin_data=args)
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self.stdin_swap.__enter__()
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def tearDown(self):
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# unittest doesn't have a clean place to use a context manager, so we have to enter/exit manually
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self.stdin_swap.__exit__(None, None, None)
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