Add a test library

This adds empty __init__.py to tests so that a lib.py library of helper
functions can be imported from the tests.

Add captured_output to use with composer-cli tests to capture stdout/err
output from the functions.

(cherry picked from commit eeae331ba0)
This commit is contained in:
Brian C. Lane 2018-07-26 18:08:49 -07:00
parent c52d45e168
commit 03e6015f20
3 changed files with 29 additions and 0 deletions

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tests/__init__.py Normal file
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tests/lib.py Normal file
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#
# Copyright (C) 2018 Red Hat, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys
from contextlib import contextmanager
from StringIO import StringIO
@contextmanager
def captured_output():
new_out, new_err = StringIO(), StringIO()
old_out, old_err = sys.stdout, sys.stderr
try:
sys.stdout, sys.stderr = new_out, new_err
yield sys.stdout, sys.stderr
finally:
sys.stdout, sys.stderr = old_out, old_err