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u-boot/test/py/tests/test_fs/test_rename.py
Gabriel Dalimonte 06159a1465 fs: fat: add rename 
The implementation roughly follows the POSIX specification for
rename() [1]. The ordering of operations attempting to minimize the chance
for data loss in unexpected circumstances.

The 'mv' command was implemented as a front end for the rename operation
as that is what most users are likely familiar with in terms of behavior.

The 'FAT_RENAME' Kconfig option was added to prevent code size increase on
size-oriented builds like SPL.

[1] https://pubs.opengroup.org/onlinepubs/9799919799/functions/rename.html

Signed-off-by: Gabriel Dalimonte <gabriel.dalimonte@gmail.com>
2025-03-07 11:50:22 -06:00

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# SPDX-License-Identifier: GPL-2.0+
# Copyright 2025 Gabriel Dalimonte <gabriel.dalimonte@gmail.com>
#
# U-Boot File System:rename Test
import pytest
from fstest_defs import *
from fstest_helpers import assert_fs_integrity
@pytest.mark.boardspec('sandbox')
@pytest.mark.slow
class TestRename(object):
def test_rename1(self, u_boot_console, fs_obj_rename):
"""
Test Case 1 - rename a file (successful mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 1 - rename a file'):
d = 'test1'
src = '%s/file1' % d
dst = '%s/file2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('file1' not in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test1'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename2(self, u_boot_console, fs_obj_rename):
"""
Test Case 2 - rename a file to an existing file (successful mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 2 - rename a file to an existing file'):
d = 'test2'
src = '%s/file1' % d
dst = '%s/file_exist' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('file1' not in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test2'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename3(self, u_boot_console, fs_obj_rename):
"""
Test Case 3 - rename a directory (successful mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 3 - rename a directory'):
d = 'test3'
src = '%s/dir1' % d
dst = '%s/dir2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s/file1' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' not in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test3'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename4(self, u_boot_console, fs_obj_rename):
"""
Test Case 4 - rename a directory to an existing directory (successful
mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 4 - rename a directory to an existing directory'):
d = 'test4'
src = '%s/dir1' % d
dst = '%s/dir2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s/dir1/file1' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' not in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test4'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename5(self, u_boot_console, fs_obj_rename):
"""
Test Case 5 - rename a directory to an existing file (failed mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 5 - rename a directory to an existing file'):
d = 'test5'
src = '%s/dir1' % d
dst = '%s/file2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' in ''.join(output))
assert('file2' in ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test5'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename6(self, u_boot_console, fs_obj_rename):
"""
Test Case 6 - rename a file to an existing empty directory (failed mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 6 - rename a file to an existing empty directory'):
d = 'test6'
src = '%s/existing' % d
dst = '%s/dir2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s' % (ADDR, src),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir2' in ''.join(output))
assert('existing' in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test6'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename7(self, u_boot_console, fs_obj_rename):
"""
Test Case 7 - rename a directory to a non-empty directory (failed mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 7 - rename a directory to a non-empty directory'):
d = 'test7'
src = '%s/dir1' % d
dst = '%s/dir2' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s/dir1/file1' % (ADDR, dst),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' in ''.join(output))
assert('dir2' in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test7'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename8(self, u_boot_console, fs_obj_rename):
"""
Test Case 8 - rename a directory inside itself (failed mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 8 - rename a directory inside itself'):
d = 'test8'
src = '%s/dir1' % d
dst = '%s/dir1/dir1' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s/file1' % (ADDR, src),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' in ''.join(output))
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (src),
])
assert('file1' in ''.join(output))
assert('dir1' not in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test8'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename9(self, u_boot_console, fs_obj_rename):
"""
Test Case 9 - rename a directory inside itself with backtracks (failed
mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 9 - rename a directory inside itself with backtracks'):
d = 'test9'
src = '%s/dir1/nested' % d
dst = '%s/dir1/nested/inner/./../../../dir1/nested/inner/another' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, dst),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'ls host 0:0 %s/dir1' % (d),
])
assert('nested' in ''.join(output))
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (src),
])
assert('inner' in ''.join(output))
assert('nested' not in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename10(self, u_boot_console, fs_obj_rename):
"""
Test Case 10 - rename a file to itself (successful mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 10 - rename a file to itself'):
d = 'test10'
src = '%s/file1' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, src),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s' % (ADDR, src),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('file1' in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test10'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
def test_rename11(self, u_boot_console, fs_obj_rename):
"""
Test Case 11 - rename a directory to itself (successful mv)
"""
fs_type, fs_img, md5val = fs_obj_rename
with u_boot_console.log.section('Test Case 11 - rename a directory to itself'):
# / at the end here is intentional. Ensures trailing / doesn't
# affect mv producing an updated dst path for fs_rename
d = 'test11/'
src = '%sdir1' % d
output = u_boot_console.run_command_list([
'host bind 0 %s' % fs_img,
'setenv filesize',
'mv host 0:0 %s %s' % (src, d),
])
assert('' == ''.join(output))
output = u_boot_console.run_command_list([
'load host 0:0 %x /%s/file1' % (ADDR, src),
'printenv filesize'])
assert('filesize=400' in output)
output = u_boot_console.run_command_list([
'ls host 0:0 %s' % (d),
])
assert('dir1' in ''.join(output))
output = u_boot_console.run_command_list([
'md5sum %x $filesize' % ADDR,
'setenv filesize'])
assert(md5val['test11'] in ''.join(output))
assert_fs_integrity(fs_type, fs_img)
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