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test/py: convert fs-test.sh to pytest
In this commit, the same set of test cases as in test/fs/fs-test.sh is provided using pytest framework. Actually, fs-test.sh provides three variants:"sb" (sb command), "nonfs" (fatxx and etc.) and "fs" (hostfs), and this patch currently supports only "nonfs" variant; So it is not a replacement of fs-test.sh for now. Simple usage: $ py.test test/py/tests/test_fs [<other options>] You may also specify filesystem types to be tested: $ py.test test/py/tests/test_fs --fs-type fat32 [<other options>] Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org> Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
AKASHI Takahiro
committed by
Alexander Graf
Alexander Graf
parent
9461fcce37
commit
de8106c198
218
test/py/tests/test_fs/conftest.py
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218
test/py/tests/test_fs/conftest.py
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# SPDX-License-Identifier: GPL-2.0+
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# Copyright (c) 2018, Linaro Limited
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# Author: Takahiro Akashi <takahiro.akashi@linaro.org>
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import os
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import os.path
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import pytest
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import re
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from subprocess import call, check_call, check_output, CalledProcessError
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from fstest_defs import *
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supported_fs_basic = ['fat16', 'fat32', 'ext4']
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#
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# Filesystem test specific setup
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#
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def pytest_addoption(parser):
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parser.addoption('--fs-type', action='append', default=None,
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help='Targeting Filesystem Types')
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def pytest_configure(config):
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global supported_fs_basic
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def intersect(listA, listB):
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return [x for x in listA if x in listB]
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supported_fs = config.getoption('fs_type')
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if supported_fs:
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print("*** FS TYPE modified: %s" % supported_fs)
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supported_fs_basic = intersect(supported_fs, supported_fs_basic)
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def pytest_generate_tests(metafunc):
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if 'fs_obj_basic' in metafunc.fixturenames:
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metafunc.parametrize('fs_obj_basic', supported_fs_basic,
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indirect=True, scope='module')
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#
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# Helper functions
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#
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def fstype_to_ubname(fs_type):
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if re.match('fat', fs_type):
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return 'fat'
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else:
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return fs_type
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def check_ubconfig(config, fs_type):
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if not config.buildconfig.get('config_cmd_%s' % fs_type, None):
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pytest.skip('.config feature "CMD_%s" not enabled' % fs_type.upper())
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if not config.buildconfig.get('config_%s_write' % fs_type, None):
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pytest.skip('.config feature "%s_WRITE" not enabled'
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% fs_type.upper())
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def mk_fs(config, fs_type, size, id):
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fs_img = '%s.%s.img' % (id, fs_type)
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fs_img = config.persistent_data_dir + '/' + fs_img
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if fs_type == 'fat16':
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mkfs_opt = '-F 16'
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elif fs_type == 'fat32':
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mkfs_opt = '-F 32'
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else:
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mkfs_opt = ''
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if re.match('fat', fs_type):
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fs_lnxtype = 'vfat'
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else:
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fs_lnxtype = fs_type
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count = (size + 1048576 - 1) / 1048576
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try:
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check_call('rm -f %s' % fs_img, shell=True)
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check_call('dd if=/dev/zero of=%s bs=1M count=%d'
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% (fs_img, count), shell=True)
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check_call('mkfs.%s %s %s'
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% (fs_lnxtype, mkfs_opt, fs_img), shell=True)
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return fs_img
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except CalledProcessError:
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call('rm -f %s' % fs_img, shell=True)
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raise
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# from test/py/conftest.py
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def tool_is_in_path(tool):
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for path in os.environ["PATH"].split(os.pathsep):
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fn = os.path.join(path, tool)
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if os.path.isfile(fn) and os.access(fn, os.X_OK):
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return True
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return False
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fuse_mounted = False
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def mount_fs(fs_type, device, mount_point):
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global fuse_mounted
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fuse_mounted = False
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try:
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if tool_is_in_path('guestmount'):
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fuse_mounted = True
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check_call('guestmount -a %s -m /dev/sda %s'
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% (device, mount_point), shell=True)
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else:
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mount_opt = "loop,rw"
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if re.match('fat', fs_type):
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mount_opt += ",umask=0000"
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check_call('sudo mount -o %s %s %s'
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% (mount_opt, device, mount_point), shell=True)
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# may not be effective for some file systems
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check_call('sudo chmod a+rw %s' % mount_point, shell=True)
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except CalledProcessError:
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raise
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def umount_fs(fs_type, mount_point):
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if fuse_mounted:
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call('sync')
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call('guestunmount %s' % mount_point, shell=True)
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else:
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call('sudo umount %s' % mount_point, shell=True)
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#
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# Fixture for basic fs test
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# derived from test/fs/fs-test.sh
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#
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# NOTE: yield_fixture was deprecated since pytest-3.0
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@pytest.yield_fixture()
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def fs_obj_basic(request, u_boot_config):
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fs_type = request.param
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fs_img = ''
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fs_ubtype = fstype_to_ubname(fs_type)
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check_ubconfig(u_boot_config, fs_ubtype)
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mount_dir = u_boot_config.persistent_data_dir + '/mnt'
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small_file = mount_dir + '/' + SMALL_FILE
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big_file = mount_dir + '/' + BIG_FILE
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try:
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# 3GiB volume
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fs_img = mk_fs(u_boot_config, fs_type, 0xc0000000, '3GB')
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# Mount the image so we can populate it.
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check_call('mkdir -p %s' % mount_dir, shell=True)
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mount_fs(fs_type, fs_img, mount_dir)
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# Create a subdirectory.
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check_call('mkdir %s/SUBDIR' % mount_dir, shell=True)
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# Create big file in this image.
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# Note that we work only on the start 1MB, couple MBs in the 2GB range
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# and the last 1 MB of the huge 2.5GB file.
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# So, just put random values only in those areas.
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check_call('dd if=/dev/urandom of=%s bs=1M count=1'
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% big_file, shell=True)
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check_call('dd if=/dev/urandom of=%s bs=1M count=2 seek=2047'
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% big_file, shell=True)
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check_call('dd if=/dev/urandom of=%s bs=1M count=1 seek=2499'
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% big_file, shell=True)
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# Create a small file in this image.
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check_call('dd if=/dev/urandom of=%s bs=1M count=1'
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% small_file, shell=True)
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# Delete the small file copies which possibly are written as part of a
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# previous test.
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# check_call('rm -f "%s.w"' % MB1, shell=True)
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# check_call('rm -f "%s.w2"' % MB1, shell=True)
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# Generate the md5sums of reads that we will test against small file
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out = check_output(
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'dd if=%s bs=1M skip=0 count=1 2> /dev/null | md5sum'
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% small_file, shell=True)
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md5val = [ out.split()[0] ]
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# Generate the md5sums of reads that we will test against big file
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# One from beginning of file.
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out = check_output(
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'dd if=%s bs=1M skip=0 count=1 2> /dev/null | md5sum'
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% big_file, shell=True)
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md5val.append(out.split()[0])
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# One from end of file.
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out = check_output(
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'dd if=%s bs=1M skip=2499 count=1 2> /dev/null | md5sum'
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% big_file, shell=True)
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md5val.append(out.split()[0])
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# One from the last 1MB chunk of 2GB
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out = check_output(
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'dd if=%s bs=1M skip=2047 count=1 2> /dev/null | md5sum'
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% big_file, shell=True)
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md5val.append(out.split()[0])
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# One from the start 1MB chunk from 2GB
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out = check_output(
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'dd if=%s bs=1M skip=2048 count=1 2> /dev/null | md5sum'
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% big_file, shell=True)
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md5val.append(out.split()[0])
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# One 1MB chunk crossing the 2GB boundary
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out = check_output(
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'dd if=%s bs=512K skip=4095 count=2 2> /dev/null | md5sum'
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% big_file, shell=True)
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md5val.append(out.split()[0])
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umount_fs(fs_type, mount_dir)
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except CalledProcessError:
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pytest.skip('Setup failed for filesystem: ' + fs_type)
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return
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else:
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yield [fs_ubtype, fs_img, md5val]
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finally:
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umount_fs(fs_type, mount_dir)
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call('rmdir %s' % mount_dir, shell=True)
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if fs_img:
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call('rm -f %s' % fs_img, shell=True)
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