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inveniocfg_unit_tests.py
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Thu, Aug 29, 19:58

inveniocfg_unit_tests.py
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# -*- coding: utf-8 -*-
##
## This file is part of Invenio.
## Copyright (C) 2010, 2011 CERN.
##
## Invenio 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.
##
## Invenio 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 Invenio; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
"""Unit tests for the inveniocfg script."""
import unittest
import sys
import StringIO
import logging
from invenio.inveniocfg import main
from invenio.testutils import make_test_suite, run_test_suite
from invenio.config import CFG_PREFIX
class InveniocfgTest(unittest.TestCase):
"""
Test suite for inveniocfg
"""
def setUp(self):
""" Save original stdout/err so they can be set back. """
self.default_stdout = sys.stdout
self.default_stderr = sys.stderr
self.output = None
self.error = None
def tearDown(self):
""" Ensure that stdout/err capturing is stopped. """
self.stop_capture()
def stop_capture(self):
""" Helper method to *stop* capture stdout and stderr """
sys.stdout = self.default_stdout
sys.stderr = self.default_stderr
# Inveniocfg sets up some loggers
# At shutdown, they try to close their stream so we close them here
# in order to not leave them which a closed stream they will fail to
# close
logging.shutdown()
if self.output:
self.output.close()
if self.error:
self.error.close()
def capture(self):
""" Helper method to *start* capture stdout and stderr """
if self.output:
self.output.close()
if self.error:
self.error.close()
self.output = StringIO.StringIO()
self.error = StringIO.StringIO()
sys.stdout = self.output
sys.stderr = self.error
def assertExitValue(self, exit_val, func, *args, **kwargs):
""" Assert method to ensure a specific system exit value is called. """
try:
func(*args, **kwargs)
self.fail()
except SystemExit, e:
self.assertEqual(exit_val, e.code)
#
# Tests
#
def test_invalid_cmd(self):
""" Test exit value for non-existing option. """
self.capture()
self.assertExitValue(2, main, '--conf-dir', "%s/etc/" % CFG_PREFIX,
'--some-invalid-option-which-does-not-exists')
self.stop_capture()
def test_upgrade_show_applied_cmd(self):
""" Test --upgrade-show-applied command. """
self.capture()
main('--conf-dir', '%s/etc/' % CFG_PREFIX, '--upgrade-show-applied')
lines = self.output.getvalue().split('\n')
self.stop_capture()
expected = ['>>> Following upgrade(s) have been applied:',
'>>> No upgrades have been applied.']
self.assertTrue(expected[0] in lines,
"%s was not found in output %s" % (expected, lines))
def test_upgrade_show_pending_cmd(self):
""" Test --upgrade-show-pending command. """
self.capture()
main('--conf-dir', '%s/etc/' % CFG_PREFIX, '--upgrade-show-pending')
lines = self.output.getvalue().split('\n')
self.stop_capture()
expected = ['>>> Following upgrade(s) are ready to be applied:',
'>>> All upgrades have been applied.']
self.assertTrue(expected[0] in lines or expected[1] in lines,
"%s was not found in output %s" % (expected, lines))
def test_cmd_get(self):
""" Test --get cmd """
# New way of calling get
self.capture()
main('--conf-dir', '%s/etc/' % CFG_PREFIX, '--get=CFG_PREFIX')
self.assertEqual('%s\n' % CFG_PREFIX, self.output.getvalue())
# Old way of calling get
self.capture()
main('--conf-dir=%s/etc/' % CFG_PREFIX, '--get', 'CFG_PREFIX')
self.assertEqual("%s\n" % CFG_PREFIX, self.output.getvalue())
# Missing option value
self.capture()
self.assertExitValue(2, main, '--conf-dir', "%s/etc/" % CFG_PREFIX,
'--get')
self.stop_capture()
TEST_SUITE = make_test_suite(InveniocfgTest)
if __name__ == "__main__":
run_test_suite(TEST_SUITE)

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