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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2018, Linaro Limited
# Author: Takahiro Akashi <takahiro.akashi@linaro.org>
import os
import os.path
import pytest
import re
from subprocess import call, check_call, check_output, CalledProcessError
from fstest_defs import *
supported_fs_basic = ['fat16', 'fat32', 'ext4']
supported_fs_ext = ['fat16', 'fat32']
supported_fs_mkdir = ['fat16', 'fat32']
supported_fs_unlink = ['fat16', 'fat32']
#
# Filesystem test specific setup
#
def pytest_addoption(parser):
"""Enable --fs-type option.
See pytest_configure() about how it works.
Args:
parser: Pytest command-line parser.
Returns:
Nothing.
"""
parser.addoption('--fs-type', action='append', default=None,
help='Targeting Filesystem Types')
def pytest_configure(config):
"""Restrict a file system(s) to be tested.
A file system explicitly named with --fs-type option is selected
if it belongs to a default supported_fs_xxx list.
Multiple options can be specified.
Args:
config: Pytest configuration.
Returns:
Nothing.
"""
global supported_fs_basic
global supported_fs_ext
global supported_fs_mkdir
global supported_fs_unlink
def intersect(listA, listB):
return [x for x in listA if x in listB]
supported_fs = config.getoption('fs_type')
if supported_fs:
print('*** FS TYPE modified: %s' % supported_fs)
supported_fs_basic = intersect(supported_fs, supported_fs_basic)
supported_fs_ext = intersect(supported_fs, supported_fs_ext)
supported_fs_mkdir = intersect(supported_fs, supported_fs_mkdir)
supported_fs_unlink = intersect(supported_fs, supported_fs_unlink)
def pytest_generate_tests(metafunc):
"""Parametrize fixtures, fs_obj_xxx
Each fixture will be parametrized with a corresponding support_fs_xxx
list.
Args:
metafunc: Pytest test function.
Returns:
Nothing.
"""
if 'fs_obj_basic' in metafunc.fixturenames:
metafunc.parametrize('fs_obj_basic', supported_fs_basic,
indirect=True, scope='module')
if 'fs_obj_ext' in metafunc.fixturenames:
metafunc.parametrize('fs_obj_ext', supported_fs_ext,
indirect=True, scope='module')
if 'fs_obj_mkdir' in metafunc.fixturenames:
metafunc.parametrize('fs_obj_mkdir', supported_fs_mkdir,
indirect=True, scope='module')
if 'fs_obj_unlink' in metafunc.fixturenames:
metafunc.parametrize('fs_obj_unlink', supported_fs_unlink,
indirect=True, scope='module')
#
# Helper functions
#
def fstype_to_ubname(fs_type):
"""Convert a file system type to an U-boot specific string
A generated string can be used as part of file system related commands
or a config name in u-boot. Currently fat16 and fat32 are handled
specifically.
Args:
fs_type: File system type.
Return:
A corresponding string for file system type.
"""
if re.match('fat', fs_type):
return 'fat'
else:
return fs_type
def check_ubconfig(config, fs_type):
"""Check whether a file system is enabled in u-boot configuration.
This function is assumed to be called in a fixture function so that
the whole test cases will be skipped if a given file system is not
enabled.
Args:
fs_type: File system type.
Return:
Nothing.
"""
if not config.buildconfig.get('config_cmd_%s' % fs_type, None):
pytest.skip('.config feature "CMD_%s" not enabled' % fs_type.upper())
if not config.buildconfig.get('config_%s_write' % fs_type, None):
pytest.skip('.config feature "%s_WRITE" not enabled'
% fs_type.upper())
def mk_fs(config, fs_type, size, id):
"""Create a file system volume.
Args:
fs_type: File system type.
size: Size of file system in MiB.
id: Prefix string of volume's file name.
Return:
Nothing.
"""
fs_img = '%s.%s.img' % (id, fs_type)
fs_img = config.persistent_data_dir + '/' + fs_img
if fs_type == 'fat16':
mkfs_opt = '-F 16'
elif fs_type == 'fat32':
mkfs_opt = '-F 32'
else:
mkfs_opt = ''
if re.match('fat', fs_type):
fs_lnxtype = 'vfat'
else:
fs_lnxtype = fs_type
count = (size + 1048576 - 1) / 1048576
try:
check_call('rm -f %s' % fs_img, shell=True)
check_call('dd if=/dev/zero of=%s bs=1M count=%d'
% (fs_img, count), shell=True)
check_call('mkfs.%s %s %s'
% (fs_lnxtype, mkfs_opt, fs_img), shell=True)
return fs_img
except CalledProcessError:
call('rm -f %s' % fs_img, shell=True)
raise
# from test/py/conftest.py
def tool_is_in_path(tool):
"""Check whether a given command is available on host.
Args:
tool: Command name.
Return:
True if available, False if not.
"""
for path in os.environ['PATH'].split(os.pathsep):
fn = os.path.join(path, tool)
if os.path.isfile(fn) and os.access(fn, os.X_OK):
return True
return False
fuse_mounted = False
def mount_fs(fs_type, device, mount_point):
"""Mount a volume.
Args:
fs_type: File system type.
device: Volume's file name.
mount_point: Mount point.
Return:
Nothing.
"""
global fuse_mounted
fuse_mounted = False
try:
if tool_is_in_path('guestmount'):
fuse_mounted = True
check_call('guestmount -a %s -m /dev/sda %s'
% (device, mount_point), shell=True)
else:
mount_opt = 'loop,rw'
if re.match('fat', fs_type):
mount_opt += ',umask=0000'
check_call('sudo mount -o %s %s %s'
% (mount_opt, device, mount_point), shell=True)
# may not be effective for some file systems
check_call('sudo chmod a+rw %s' % mount_point, shell=True)
except CalledProcessError:
raise
def umount_fs(mount_point):
"""Unmount a volume.
Args:
mount_point: Mount point.
Return:
Nothing.
"""
if fuse_mounted:
call('sync')
call('guestunmount %s' % mount_point, shell=True)
else:
call('sudo umount %s' % mount_point, shell=True)
#
# Fixture for basic fs test
# derived from test/fs/fs-test.sh
#
# NOTE: yield_fixture was deprecated since pytest-3.0
@pytest.yield_fixture()
def fs_obj_basic(request, u_boot_config):
"""Set up a file system to be used in basic fs test.
Args:
request: Pytest request object.
u_boot_config: U-boot configuration.
Return:
A fixture for basic fs test, i.e. a triplet of file system type,
volume file name and a list of MD5 hashes.
"""
fs_type = request.param
fs_img = ''
fs_ubtype = fstype_to_ubname(fs_type)
check_ubconfig(u_boot_config, fs_ubtype)
mount_dir = u_boot_config.persistent_data_dir + '/mnt'
small_file = mount_dir + '/' + SMALL_FILE
big_file = mount_dir + '/' + BIG_FILE
try:
# 3GiB volume
fs_img = mk_fs(u_boot_config, fs_type, 0xc0000000, '3GB')
# Mount the image so we can populate it.
check_call('mkdir -p %s' % mount_dir, shell=True)
mount_fs(fs_type, fs_img, mount_dir)
# Create a subdirectory.
check_call('mkdir %s/SUBDIR' % mount_dir, shell=True)
# Create big file in this image.
# Note that we work only on the start 1MB, couple MBs in the 2GB range
# and the last 1 MB of the huge 2.5GB file.
# So, just put random values only in those areas.
check_call('dd if=/dev/urandom of=%s bs=1M count=1'
% big_file, shell=True)
check_call('dd if=/dev/urandom of=%s bs=1M count=2 seek=2047'
% big_file, shell=True)
check_call('dd if=/dev/urandom of=%s bs=1M count=1 seek=2499'
% big_file, shell=True)
# Create a small file in this image.
check_call('dd if=/dev/urandom of=%s bs=1M count=1'
% small_file, shell=True)
# Delete the small file copies which possibly are written as part of a
# previous test.
# check_call('rm -f "%s.w"' % MB1, shell=True)
# check_call('rm -f "%s.w2"' % MB1, shell=True)
# Generate the md5sums of reads that we will test against small file
out = check_output(
'dd if=%s bs=1M skip=0 count=1 2> /dev/null | md5sum'
% small_file, shell=True)
md5val = [ out.split()[0] ]
# Generate the md5sums of reads that we will test against big file
# One from beginning of file.
out = check_output(
'dd if=%s bs=1M skip=0 count=1 2> /dev/null | md5sum'
% big_file, shell=True)
md5val.append(out.split()[0])
# One from end of file.
out = check_output(
'dd if=%s bs=1M skip=2499 count=1 2> /dev/null | md5sum'
% big_file, shell=True)
md5val.append(out.split()[0])
# One from the last 1MB chunk of 2GB
out = check_output(
'dd if=%s bs=1M skip=2047 count=1 2> /dev/null | md5sum'
% big_file, shell=True)
md5val.append(out.split()[0])
# One from the start 1MB chunk from 2GB
out = check_output(
'dd if=%s bs=1M skip=2048 count=1 2> /dev/null | md5sum'
% big_file, shell=True)
md5val.append(out.split()[0])
# One 1MB chunk crossing the 2GB boundary
out = check_output(
'dd if=%s bs=512K skip=4095 count=2 2> /dev/null | md5sum'
% big_file, shell=True)
md5val.append(out.split()[0])
umount_fs(mount_dir)
except CalledProcessError:
pytest.skip('Setup failed for filesystem: ' + fs_type)
return
else:
yield [fs_ubtype, fs_img, md5val]
finally:
umount_fs(mount_dir)
call('rmdir %s' % mount_dir, shell=True)
if fs_img:
call('rm -f %s' % fs_img, shell=True)
#
# Fixture for extended fs test
#
# NOTE: yield_fixture was deprecated since pytest-3.0
@pytest.yield_fixture()
def fs_obj_ext(request, u_boot_config):
"""Set up a file system to be used in extended fs test.
Args:
request: Pytest request object.
u_boot_config: U-boot configuration.
Return:
A fixture for extended fs test, i.e. a triplet of file system type,
volume file name and a list of MD5 hashes.
"""
fs_type = request.param
fs_img = ''
fs_ubtype = fstype_to_ubname(fs_type)
check_ubconfig(u_boot_config, fs_ubtype)
mount_dir = u_boot_config.persistent_data_dir + '/mnt'
min_file = mount_dir + '/' + MIN_FILE
tmp_file = mount_dir + '/tmpfile'
try:
# 128MiB volume
fs_img = mk_fs(u_boot_config, fs_type, 0x8000000, '128MB')
# Mount the image so we can populate it.
check_call('mkdir -p %s' % mount_dir, shell=True)
mount_fs(fs_type, fs_img, mount_dir)
# Create a test directory
check_call('mkdir %s/dir1' % mount_dir, shell=True)
# Create a small file and calculate md5
check_call('dd if=/dev/urandom of=%s bs=1K count=20'
% min_file, shell=True)
out = check_output(
'dd if=%s bs=1K 2> /dev/null | md5sum'
% min_file, shell=True)
md5val = [ out.split()[0] ]
# Calculate md5sum of Test Case 4
check_call('dd if=%s of=%s bs=1K count=20'
% (min_file, tmp_file), shell=True)
check_call('dd if=%s of=%s bs=1K seek=5 count=20'
% (min_file, tmp_file), shell=True)
out = check_output('dd if=%s bs=1K 2> /dev/null | md5sum'
% tmp_file, shell=True)
md5val.append(out.split()[0])
# Calculate md5sum of Test Case 5
check_call('dd if=%s of=%s bs=1K count=20'
% (min_file, tmp_file), shell=True)
check_call('dd if=%s of=%s bs=1K seek=5 count=5'
% (min_file, tmp_file), shell=True)
out = check_output('dd if=%s bs=1K 2> /dev/null | md5sum'
% tmp_file, shell=True)
md5val.append(out.split()[0])
# Calculate md5sum of Test Case 7
check_call('dd if=%s of=%s bs=1K count=20'
% (min_file, tmp_file), shell=True)
check_call('dd if=%s of=%s bs=1K seek=20 count=20'
% (min_file, tmp_file), shell=True)
out = check_output('dd if=%s bs=1K 2> /dev/null | md5sum'
% tmp_file, shell=True)
md5val.append(out.split()[0])
check_call('rm %s' % tmp_file, shell=True)
umount_fs(mount_dir)
except CalledProcessError:
pytest.skip('Setup failed for filesystem: ' + fs_type)
return
else:
yield [fs_ubtype, fs_img, md5val]
finally:
umount_fs(mount_dir)
call('rmdir %s' % mount_dir, shell=True)
if fs_img:
call('rm -f %s' % fs_img, shell=True)
#
# Fixture for mkdir test
#
# NOTE: yield_fixture was deprecated since pytest-3.0
@pytest.yield_fixture()
def fs_obj_mkdir(request, u_boot_config):
"""Set up a file system to be used in mkdir test.
Args:
request: Pytest request object.
u_boot_config: U-boot configuration.
Return:
A fixture for mkdir test, i.e. a duplet of file system type and
volume file name.
"""
fs_type = request.param
fs_img = ''
fs_ubtype = fstype_to_ubname(fs_type)
check_ubconfig(u_boot_config, fs_ubtype)
try:
# 128MiB volume
fs_img = mk_fs(u_boot_config, fs_type, 0x8000000, '128MB')
except:
pytest.skip('Setup failed for filesystem: ' + fs_type)
else:
yield [fs_ubtype, fs_img]
finally:
if fs_img:
call('rm -f %s' % fs_img, shell=True)
#
# Fixture for unlink test
#
# NOTE: yield_fixture was deprecated since pytest-3.0
@pytest.yield_fixture()
def fs_obj_unlink(request, u_boot_config):
"""Set up a file system to be used in unlink test.
Args:
request: Pytest request object.
u_boot_config: U-boot configuration.
Return:
A fixture for unlink test, i.e. a duplet of file system type and
volume file name.
"""
fs_type = request.param
fs_img = ''
fs_ubtype = fstype_to_ubname(fs_type)
check_ubconfig(u_boot_config, fs_ubtype)
mount_dir = u_boot_config.persistent_data_dir + '/mnt'
try:
# 128MiB volume
fs_img = mk_fs(u_boot_config, fs_type, 0x8000000, '128MB')
# Mount the image so we can populate it.
check_call('mkdir -p %s' % mount_dir, shell=True)
mount_fs(fs_type, fs_img, mount_dir)
# Test Case 1 & 3
check_call('mkdir %s/dir1' % mount_dir, shell=True)
check_call('dd if=/dev/urandom of=%s/dir1/file1 bs=1K count=1'
% mount_dir, shell=True)
check_call('dd if=/dev/urandom of=%s/dir1/file2 bs=1K count=1'
% mount_dir, shell=True)
# Test Case 2
check_call('mkdir %s/dir2' % mount_dir, shell=True)
for i in range(0, 20):
check_call('mkdir %s/dir2/0123456789abcdef%02x'
% (mount_dir, i), shell=True)
# Test Case 4
check_call('mkdir %s/dir4' % mount_dir, shell=True)
# Test Case 5, 6 & 7
check_call('mkdir %s/dir5' % mount_dir, shell=True)
check_call('dd if=/dev/urandom of=%s/dir5/file1 bs=1K count=1'
% mount_dir, shell=True)
umount_fs(mount_dir)
except CalledProcessError:
pytest.skip('Setup failed for filesystem: ' + fs_type)
return
else:
yield [fs_ubtype, fs_img]
finally:
umount_fs(mount_dir)
call('rmdir %s' % mount_dir, shell=True)
if fs_img:
call('rm -f %s' % fs_img, shell=True)
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