esp-idf/components/fatfs/test_fatfsgen/test_fatfsparse.py

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#!/usr/bin/env python
# SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
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# SPDX-License-Identifier: Apache-2.0
import os
import shutil
import sys
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import unittest
from subprocess import STDOUT, run
from test_utils import compare_folders, fill_sector, generate_local_folder_structure, generate_test_dir_2
sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
import fatfsgen # noqa E402 # pylint: disable=C0413
from fatfs_utils.entry import Entry # noqa E402 # pylint: disable=C0413
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class FatFSGen(unittest.TestCase):
def setUp(self) -> None:
os.makedirs('output_data')
generate_test_dir_2()
def tearDown(self) -> None:
shutil.rmtree('output_data', ignore_errors=True)
shutil.rmtree('Espressif', ignore_errors=True)
shutil.rmtree('testf', ignore_errors=True)
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shutil.rmtree('testf_wl', ignore_errors=True)
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if os.path.exists('fatfs_image.img'):
os.remove('fatfs_image.img')
@staticmethod
def test_gen_parse() -> None:
run([
sys.executable,
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f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'output_data/tst_str'
], stderr=STDOUT)
run([sys.executable, '../fatfsgen.py', 'output_data/tst_str'], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
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assert set(os.listdir('Espressif')) == {'TEST', 'TESTFILE'}
with open('Espressif/TESTFILE', 'rb') as in_:
assert in_.read() == b'ahoj\n'
assert set(os.listdir('Espressif/TEST')) == {'TEST', 'TESTFIL2'}
with open('Espressif/TEST/TESTFIL2', 'rb') as in_:
assert in_.read() == b'thisistest\n'
assert set(os.listdir('Espressif/TEST/TEST')) == {'LASTFILE.TXT'}
with open('Espressif/TEST/TEST/LASTFILE.TXT', 'rb') as in_:
assert in_.read() == b'deeptest\n'
@staticmethod
def test_file_chaining() -> None:
fatfs = fatfsgen.FATFS()
fatfs.create_file('WRITEF', extension='TXT')
fatfs.write_content(path_from_root=['WRITEF.TXT'], content=4096 * b'a' + b'a')
fatfs.write_filesystem('fatfs_image.img')
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
with open('Espressif/WRITEF.TXT', 'rb') as in_:
assert in_.read() == 4097 * b'a'
@staticmethod
def test_full_two_sectors_folder() -> None:
fatfs = fatfsgen.FATFS(size=2 * 1024 * 1024)
fatfs.create_directory('TESTFOLD')
for i in range((2 * 4096) // 32):
fatfs.create_file(f'A{str(i).upper()}', path_from_root=['TESTFOLD'])
fatfs.write_content(path_from_root=['TESTFOLD', 'A253'], content=b'later')
fatfs.write_content(path_from_root=['TESTFOLD', 'A255'], content=b'last')
fatfs.write_filesystem('fatfs_image.img')
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert set(os.listdir('Espressif')) == {'TESTFOLD'}
assert set(os.listdir('Espressif/TESTFOLD')) == {f'A{str(i).upper()}' for i in range(256)}
with open('Espressif/TESTFOLD/A253', 'rb') as in_:
assert in_.read() == b'later'
with open('Espressif/TESTFOLD/A255', 'rb') as in_:
assert in_.read() == b'last'
@staticmethod
def test_empty_fat16() -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.write_filesystem('fatfs_image.img')
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
@staticmethod
def test_chaining_fat16() -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.create_file('WRITEF', extension='TXT')
fatfs.write_content(path_from_root=['WRITEF.TXT'], content=4096 * b'a' + b'a')
fatfs.write_filesystem('fatfs_image.img')
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
with open('Espressif/WRITEF.TXT', 'rb') as in_:
assert in_.read() == 4097 * b'a'
@staticmethod
def test_full_sector_folder_fat16() -> None:
fatfs = fatfsgen.FATFS(size=17 * 1024 * 1024)
fatfs.create_directory('TESTFOLD')
fill_sector(fatfs)
fatfs.write_content(path_from_root=['TESTFOLD', 'A0'], content=b'first')
fatfs.write_content(path_from_root=['TESTFOLD', 'A126'], content=b'later')
fatfs.write_filesystem('fatfs_image.img')
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert set(os.listdir('Espressif')) == {'TESTFOLD'}
assert set(os.listdir('Espressif/TESTFOLD')) == {f'A{str(i).upper()}' for i in range(128)}
with open('Espressif/TESTFOLD/A0', 'rb') as in_:
assert in_.read() == b'first'
with open('Espressif/TESTFOLD/A126', 'rb') as in_:
assert in_.read() == b'later'
@staticmethod
def file_(x: str, content_: str = 'hey this is a test') -> dict:
return {
'type': 'file',
'name': x,
'content': content_
}
def test_e2e_file(self) -> None:
struct_: dict = {
'type': 'folder',
'name': 'testf',
'content': [self.file_('NEWF')]
}
generate_local_folder_structure(struct_, path_='.')
run([
sys.executable,
f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert compare_folders('testf', 'Espressif')
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shutil.rmtree('Espressif', ignore_errors=True)
run([
sys.executable,
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f'{os.path.join(os.path.dirname(__file__), "..", "wl_fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
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assert compare_folders('testf', 'Espressif')
def test_e2e_deeper(self) -> None:
folder_ = {
'type': 'folder',
'name': 'XYZ',
'content': [
self.file_('NEWFLE'),
self.file_('NEW.TXT'),
self.file_('NEWE.TXT'),
self.file_('NEW4.TXT'),
self.file_('NEW5.TXT'),
]
}
struct_: dict = {
'type': 'folder',
'name': 'testf',
'content': [
self.file_('MY_NEW'),
folder_
]
}
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generate_local_folder_structure(struct_, path_='.')
run([
sys.executable,
f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert compare_folders('testf', 'Espressif')
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shutil.rmtree('Espressif', ignore_errors=True)
run([
sys.executable,
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f'{os.path.join(os.path.dirname(__file__), "..", "wl_fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
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assert compare_folders('testf', 'Espressif')
def test_e2e_deeper_large(self) -> None:
folder_ = {
'type': 'folder',
'name': 'XYZ',
'content': [
self.file_('NEWFLE', content_=4097 * 'a'),
self.file_('NEW.TXT', content_=2 * 4097 * 'a'),
self.file_('NEWE.TXT'),
self.file_('NEW4.TXT'),
self.file_('NEW5.TXT'),
]
}
folder2_ = {
'type': 'folder',
'name': 'XYZ3',
'content': [
self.file_('NEWFLE', content_=4097 * 'a'),
self.file_('NEW.TXT', content_=2 * 4097 * 'a'),
self.file_('NEWE.TXT'),
self.file_('NEW4.TXT'),
self.file_('NEW5.TXT'),
]
}
folder3_ = {
'type': 'folder',
'name': 'XYZ2',
'content': [self.file_(f'A{i}') for i in range(50)]
}
struct_: dict = {
'type': 'folder',
'name': 'testf',
'content': [
self.file_('MY_NEW'),
folder_,
folder2_,
folder3_
]
}
generate_local_folder_structure(struct_, path_='.')
run([
sys.executable,
f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert compare_folders('testf', 'Espressif')
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shutil.rmtree('Espressif', ignore_errors=True)
run([
sys.executable,
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f'{os.path.join(os.path.dirname(__file__), "..", "wl_fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
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assert compare_folders('testf', 'Espressif')
def test_e2e_very_deep(self) -> None:
folder_ = {
'type': 'folder',
'name': 'XYZ',
'content': [
self.file_('NEWFLE', content_=4097 * 'a'),
self.file_('NEW.TXT', content_=2 * 4097 * 'a'),
self.file_('NEWE.TXT'),
self.file_('NEW4.TXT'),
self.file_('NEW5.TXT'),
]
}
folder2_ = {
'type': 'folder',
'name': 'XYZ3',
'content': [
self.file_('NEWFLE', content_=4097 * 'a'),
self.file_('NEW.TXT', content_=2 * 4097 * 'a'),
self.file_('NEWE.TXT'),
self.file_('NEW4.TXT'),
self.file_('NEW5.TXT'),
folder_,
]
}
folder3_ = {
'type': 'folder',
'name': 'XYZ2',
'content': [self.file_(f'A{i}') for i in range(50)] + [folder2_]
}
struct_: dict = {
'type': 'folder',
'name': 'testf',
'content': [
self.file_('MY_NEW'),
folder_,
folder2_,
folder3_
]
}
generate_local_folder_structure(struct_, path_='.')
run([
sys.executable,
f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'testf'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert compare_folders('testf', 'Espressif')
def test_e2e_very_deep_long(self) -> None:
folder_ = {
'type': 'folder',
'name': 'veryveryverylong111',
'content': [
self.file_('myndewveryverylongfile1.txt', content_=4097 * 'a'),
self.file_('mynewveryverylongfile22.txt', content_=2 * 4097 * 'a'),
self.file_('mynewveryverylongfile333.txt' * 8),
self.file_('mynewveryverylongfile4444.txt' * 8),
self.file_('mynewveryverylongfile5555.txt'),
self.file_('SHORT.TXT'),
]
}
struct_: dict = {
'type': 'folder',
'name': 'testf',
'content': [
self.file_('mynewveryverylongfile.txt' * 5),
folder_,
]
}
generate_local_folder_structure(struct_, path_='.')
run([
sys.executable,
f'{os.path.join(os.path.dirname(__file__), "..", "fatfsgen.py")}',
'testf', '--long_name_support'
], stderr=STDOUT)
run([sys.executable, '../fatfsparse.py', 'fatfs_image.img'], stderr=STDOUT)
assert compare_folders('testf', 'Espressif')
def test_parse_long_name(self) -> None:
self.assertEqual(
Entry.parse_entry_long(
b'\x01t\x00h\x00i\x00s\x00_\x00\x0f\x00\xfbi\x00s\x00_\x00l\x00o\x00n\x00\x00\x00g\x00_\x00', 251),
{
'order': 1,
'name1': b't\x00h\x00i\x00s\x00_\x00',
'name2': b'i\x00s\x00_\x00l\x00o\x00n\x00',
'name3': b'g\x00_\x00',
'is_last': False
}
)
self.assertEqual(
Entry.parse_entry_long(
b'\x01t\x00h\x00i\x00s\x00_\x00\x0f\x00\xfbi\x00s\x00_\x00l\x00o\x00n\x00\x00\x00g\x00_\x00', 252
),
{}
)
self.assertEqual(
Entry.parse_entry_long(
b'\x01t\x00h\x00i\x00s\x00_\x00\x0f\x01\xfbi\x00s\x00_\x00l\x00o\x00n\x00\x00\x00g\x00_\x00', 251
),
{}
)
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if __name__ == '__main__':
unittest.main()