bitelab/bitelab/mocks.py

#
# Copyright (c) 2020 The FreeBSD Foundation
#
# This software1 was developed by John-Mark Gurney under sponsorship
# from the FreeBSD Foundation.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1.  Redistributions of source code must retain the above copyright
#     notice, this list of conditions and the following disclaimer.
# 2.  Redistributions in binary form must reproduce the above copyright
#     notice, this list of conditions and the following disclaimer in the
#     documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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from unittest.mock import AsyncMock, Mock

__all__ = [ 'wrap_subprocess_exec' ]

def wrap_subprocess_exec(mockobj, stdout=b'', stderr=b'', retcode=0):
	assert isinstance(stdout, bytes)
	assert isinstance(stderr, bytes)
	proc = Mock()
	proc.communicate = AsyncMock()
	proc.communicate.return_value = (stdout, stderr)
	proc.wait = AsyncMock()
	proc.wait.return_value = retcode
	proc.returncode = retcode
	mockobj.return_value = proc