diskimage-builder/diskimage_builder/tests/functional/test_blockdevice_utils.py
Yolanda Robla 59a1fc6546 Add sort_mount_point method
As this method can be introduced without any dependency,
provide it on an independent change to simplify reviews.
This is a partial refactor based on
I592c0b1329409307197460cfa8fd69798013f1f8

Change-Id: Idaf3d2b3b3e23d0b9d6bc071d67b961a829ae422
Co-Authored-By: Andreas Florath <andreas@florath.net>
2017-05-05 17:29:53 +00:00

57 lines
2.1 KiB
Python

# Copyright 2016 Andreas Florath (andreas@florath.net)
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from diskimage_builder.block_device.utils import parse_abs_size_spec
from diskimage_builder.block_device.utils import parse_rel_size_spec
from diskimage_builder.block_device.utils import sort_mount_points
import testtools
class TestBlockDeviceUtils(testtools.TestCase):
"""Tests for the utils.py in the block_device dir.
This tests mostly the error and failure cases - because the good
cases are tested implicitly with the higher level unit tests.
"""
def test_parse_rel_size_with_abs(self):
"""Calls parse_rel_size_spec with an absolute number"""
is_rel, size = parse_rel_size_spec("154MiB", 0)
self.assertFalse(is_rel)
self.assertEqual(154 * 1024 * 1024, size)
def test_parse_abs_size_without_spec(self):
"""Call parse_abs_size_spec without spec"""
size = parse_abs_size_spec("198")
self.assertEqual(198, size)
def test_invalid_unit_spec(self):
"""Call parse_abs_size_spec with invalid unit spec"""
self.assertRaises(RuntimeError, parse_abs_size_spec, "747InVaLiDUnIt")
def test_broken_unit_spec(self):
"""Call parse_abs_size_spec with a completely broken unit spec"""
self.assertRaises(RuntimeError, parse_abs_size_spec, "_+!HuHi+-=")
def test_sort_mount_points(self):
"""Run sort_mount_points with a set of paths"""
smp = sort_mount_points(["/boot", "/", "/var/tmp", "/var"])
self.assertEqual(['/', '/boot', '/var', '/var/tmp'], smp)