43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2020 Bootlin
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# Author: Joao Marcos Costa <joaomarcos.costa@bootlin.com>
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import os
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import random
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import string
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def sqfs_get_random_letters(size):
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letters = []
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for i in range(0, size):
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letters.append(random.choice(string.ascii_letters))
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return ''.join(letters)
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def sqfs_generate_file(path, size):
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content = sqfs_get_random_letters(size)
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file = open(path, "w")
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file.write(content)
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file.close()
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# generate image with three files and a symbolic link
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def sqfs_generate_image():
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src = "test/py/tests/test_fs/test_squashfs/sqfs_src/"
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dest = "test/py/tests/test_fs/test_squashfs/sqfs"
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os.mkdir(src)
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sqfs_generate_file(src + "frag_only", 100)
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sqfs_generate_file(src + "blks_frag", 5100)
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sqfs_generate_file(src + "blks_only", 4096)
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os.symlink("frag_only", src + "sym")
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os.system("mksquashfs " + src + " " + dest + " -b 4096 -always-use-fragments")
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# removes all files created by sqfs_generate_image()
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def sqfs_clean():
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src = "test/py/tests/test_fs/test_squashfs/sqfs_src/"
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dest = "test/py/tests/test_fs/test_squashfs/sqfs"
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os.remove(src + "frag_only")
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os.remove(src + "blks_frag")
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os.remove(src + "blks_only")
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os.remove(src + "sym")
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os.rmdir(src)
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os.remove(dest)
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