#!/usr/bin/env python
#
# MIT License
#
# Copyright The SCons Foundation
#
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# permit persons to whom the Software is furnished to do so, subject to
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# The above copyright notice and this permission notice shall be included
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"""
Test that the -P option lets us specify a Python version to use.
"""

import os
import re

if not hasattr(os.path, 'pardir'):
    os.path.pardir = '..'

import TestRuntest

test = TestRuntest.TestRuntest()
test_pass_py = os.path.join('test', 'pass.py')
head, python = os.path.split(TestRuntest.python)
head, dir = os.path.split(head)

# deciding whether or not to use -tt flag here is dicey.
# we'll go ahead and use TestRuntest.pythonflags, but it uses the
# python version then in use, which could be different
pythonflags = TestRuntest.pythonflags

# We have to normalize the python path here, because some installations
# don't like getting called with "/bin/../bin/python" as first argument,
# e.g. Fedora 17 Desktop.
mypython = os.path.normpath(os.path.join(head, dir, os.path.pardir, dir, python))

test.subdir('test')
test.write_passing_test(['test', 'pass.py'])

expect_stdout = f"""\
{mypython}{pythonflags} {test_pass_py}
PASSING TEST STDOUT
"""

expect_stderr = """\
PASSING TEST STDERR
"""

test.run(
    arguments=['-k', '-P', mypython, 'test'], stdout=expect_stdout, stderr=expect_stderr
)

test.pass_test()

# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
