114 lines
4.1 KiB
Python
114 lines
4.1 KiB
Python
# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os.path
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import shutil
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import tempfile
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import sys
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import test_utils
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from unittest.mock import patch, MagicMock
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# python-apt is not installed as part of test-requirements but is imported by
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# some charmhelpers modules so create a fake import.
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mock_apt = MagicMock()
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sys.modules['apt'] = mock_apt
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mock_apt.apt_pkg = MagicMock()
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with patch('charmhelpers.contrib.hardening.harden.harden') as mock_dec:
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mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f:
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lambda *args, **kwargs: f(*args, **kwargs))
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import ceph_hooks as hooks
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TO_PATCH = [
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'config',
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'is_block_device',
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'get_blacklist',
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]
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class GetDevicesTestCase(test_utils.CharmTestCase):
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def setUp(self):
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super(GetDevicesTestCase, self).setUp(hooks, TO_PATCH)
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self.config.side_effect = self.test_config.get
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self.tmp_dir = tempfile.mkdtemp()
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self.bd = {
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os.path.join(self.tmp_dir, "device1"): True,
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os.path.join(self.tmp_dir, "device1"): True,
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os.path.join(self.tmp_dir, "link"): True,
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os.path.join(self.tmp_dir, "device"): True,
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}
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self.is_block_device.side_effect = lambda x: self.bd.get(x, False)
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self.get_blacklist.return_value = []
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self.addCleanup(shutil.rmtree, self.tmp_dir)
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def test_get_devices_empty(self):
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"""
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If osd-devices is set to an empty string, get_devices() returns
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an empty list.
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"""
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self.test_config.set("osd-devices", "")
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self.assertEqual([], hooks.get_devices())
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def test_get_devices_non_existing_files(self):
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"""
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If osd-devices points to a file that doesn't exist, it's still
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returned by get_devices().
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"""
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non_existing = os.path.join(self.tmp_dir, "no-such-file")
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self.test_config.set("osd-devices", non_existing)
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self.assertEqual([non_existing], hooks.get_devices())
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def test_get_devices_multiple(self):
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"""
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Multiple devices can be specified in osd-devices by separating
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them with spaces.
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"""
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device1 = os.path.join(self.tmp_dir, "device1")
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device2 = os.path.join(self.tmp_dir, "device2")
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self.test_config.set("osd-devices", "{} {}".format(device1, device2))
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self.assertEqual([device1, device2], hooks.get_devices())
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def test_get_devices_extra_spaces(self):
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"""
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Multiple spaces do not result in additional devices.
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"""
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device1 = os.path.join(self.tmp_dir, "device1")
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device2 = os.path.join(self.tmp_dir, "device2")
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self.test_config.set("osd-devices", "{} {}".format(device1, device2))
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self.assertEqual([device1, device2], hooks.get_devices())
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def test_get_devices_non_absolute_path(self):
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"""
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Charm does not allow relative paths as this may result in a path
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on the root device/within the charm directory.
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"""
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device1 = os.path.join(self.tmp_dir, "device1")
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device2 = "foo"
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self.test_config.set("osd-devices", "{} {}".format(device1, device2))
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self.assertEqual([device1], hooks.get_devices())
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def test_get_devices_symlink(self):
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"""
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If a symlink is specified in osd-devices, get_devices() does not
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resolve it and returns the symlink provided.
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"""
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device = os.path.join(self.tmp_dir, "device")
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link = os.path.join(self.tmp_dir, "link")
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os.symlink(device, link)
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self.test_config.set("osd-devices", link)
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self.assertEqual([link], hooks.get_devices())
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