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test_manage.py
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Sat, Jun 29, 08:38

test_manage.py
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# -*- coding: utf-8 -*-
#
# This file is part of Invenio.
# Copyright (C) 2013 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.
from __future__ import print_function
"""Unit tests for the inveniomanage script."""
import sys
import StringIO
from invenio.testsuite import make_test_suite, run_test_suite, InvenioTestCase
class Catcher(object):
"""Helper decorator to test raw_input."""
## see: http://stackoverflow.com/questions/13480632/python-stringio-selectively-place-data-into-stdin
def __init__(self, handler):
self.handler = handler
self.inputs = []
def __enter__(self):
self.__stdin = sys.stdin
self.__stdout = sys.stdout
sys.stdin = self
sys.stdout = self
def __exit__(self, type, value, traceback):
sys.stdin = self.__stdin
sys.stdout = self.__stdout
def write(self, value):
self.__stdout.write(value)
result = self.handler(value)
if result is not None:
self.inputs.append(result)
def readline(self):
return self.inputs.pop()
def getvalue(self):
return self.__stdout.getvalue()
def truncate(self, pos):
return self.__stdout.truncate(pos)
def run(command_line, manager_run, capture_stderr=False):
"""Returns tuple of standard output and exit code."""
sys_stderr_orig = sys.stderr
sys_stdout_orig = sys.stdout
sys.stdout = StringIO.StringIO()
if capture_stderr:
sys.stderr = StringIO.StringIO()
if isinstance(command_line, list):
sys.argv = command_line
else:
sys.argv = command_line.split()
exit_code = None
try:
manager_run()
except SystemExit as e:
exit_code = e.code
finally:
out = sys.stdout.getvalue()
# clear the standard output buffer
sys.stdout.truncate(0)
assert len(sys.stdout.getvalue()) == 0
if capture_stderr:
out += sys.stderr.getvalue()
sys.stderr = sys_stderr_orig
sys.stdout = sys_stdout_orig
return out, exit_code
class InveniomanageTest(InvenioTestCase):
def test_upgrade_show_applied_cmd(self):
""" Test `upgrade show applied` command. """
from invenio.modules.upgrader.manage import main
out, dummy_exit_code = run('upgrader show applied', main)
expected = ['>>> Following upgrade(s) have been applied:',
'>>> No upgrades have been applied.']
self.assertTrue(expected[0] in out.split('\n'),
"%s was not found in output %s" % (expected, out))
def test_upgrade_show_pending_cmd(self):
""" Test `upgrade show pending` command. """
from invenio.modules.upgrader.manage import main
out, dummy_exit_code = run('upgrader show pending', main)
lines = out.split('\n')
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_signals_usage(self):
""" Test signal handling. """
from invenio.base.scripts.database import main as db_main
from invenio.base.signals import pre_command, post_command
from invenio.base.manage import main, version as im_version
def pre_handler_version(sender, *args, **kwargs):
print('>>> pre_handler_version')
def post_handler_version(sender, *args, **kwargs):
print('>>> post_handler_version')
# Bind only `inveniomanage version` command to pre/post handler.
pre_command.connect(pre_handler_version, sender=im_version)
post_command.connect(post_handler_version, sender=im_version)
def pre_handler_general_test(sender, *args, **kwargs):
print('>>> pre_handler_general')
def post_handler_general_test(sender, *args, **kwargs):
print('>>> post_handler_general')
# Bind all commands to pre/post general handler.
pre_command.connect(pre_handler_general_test)
pre_command.connect(post_handler_general_test)
# Expect both version and general handlers.
out, dummy_exit_code = run('inveniomanage version', main)
lines = out.split('\n')
expected = ['>>> pre_handler_version',
'>>> post_handler_version',
'>>> pre_handler_general',
'>>> post_handler_general']
for line in expected:
self.assertTrue(line in lines,
"%s was not found in output %s" % (line, lines))
# Expect only general handlers.
out, dummy_exit_code = run('database uri', db_main)
lines = out.split('\n')
expected = ['>>> pre_handler_general',
'>>> post_handler_general']
for line in expected:
self.assertTrue(line in lines,
"%s was not found in output %s" % (line, lines))
notexpected = ['>>> pre_handler_version',
'>>> post_handler_version']
for line in notexpected:
self.assertFalse(line in lines,
"%s was not expected in output %s" % (line, lines))
TEST_SUITE = make_test_suite(InveniomanageTest)
if __name__ == "__main__":
run_test_suite(TEST_SUITE)

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