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# Copyright (C) 2013 Linaro Limited
#
# Author: Milo Casagrande <milo.casagrande@linaro.org>
#
# This file is part of lava-tool.
#
# lava-tool is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3
# as published by the Free Software Foundation
#
# lava-tool 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 Lesser General Public License
# along with lava-tool. If not, see <http://www.gnu.org/licenses/>.
"""lava.helper.dispatcher tests."""
import os
import tempfile
from mock import patch
from lava.tool.errors import CommandError
from lava.helper.tests.helper_test import HelperTest
from lava.helper.dispatcher import (
choose_devices_path,
)
class DispatcherTests(HelperTest):
def setUp(self):
super(DispatcherTests, self).setUp()
self.devices_dir = os.path.join(tempfile.gettempdir(), "devices")
os.makedirs(self.devices_dir)
def tearDown(self):
super(DispatcherTests, self).tearDown()
os.removedirs(self.devices_dir)
def test_choose_devices_path_0(self):
# Tests that when passing more than one path, the first writable one
# is returned.
obtained = choose_devices_path(
["/", "/root", self.temp_dir, os.path.expanduser("~")])
expected = os.path.join(self.temp_dir, "devices")
self.assertEqual(expected, obtained)
def test_choose_devices_path_1(self):
# Tests that when passing a path that is not writable, CommandError
# is raised.
self.assertRaises(CommandError, choose_devices_path,
["/", "/root", "/root/tmpdir"])
def test_choose_devices_path_2(self):
# Tests that the correct path for devices is created on the filesystem.
expected_path = os.path.join(self.temp_dir, "devices")
obtained = choose_devices_path([self.temp_dir])
self.assertEqual(expected_path, obtained)
self.assertTrue(os.path.isdir(expected_path))
def test_choose_devices_path_3(self):
# Tests that returns the already existing devices path.
obtained = choose_devices_path([tempfile.gettempdir()])
self.assertEqual(self.devices_dir, obtained)
@patch("__builtin__.open")
def test_choose_devices_path_4(self, mocked_open):
# Tests that when IOError is raised and we pass only one dir
# CommandError is raised.
mocked_open.side_effect = IOError()
self.assertRaises(CommandError, choose_devices_path,
[tempfile.gettempdir()])
self.assertTrue(mocked_open.called)
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