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#!/usr/bin/python3
# encoding=utf-8
#
# Copyright © 2016 Simon McVittie <smcv@debian.org>
# SPDX-License-Identifier: GPL-2.0-or-later
import hashlib
import os
import sys
import unittest
from typing import (BinaryIO, cast)
if 'GDP_UNINSTALLED' not in os.environ:
sys.path.insert(0, '/usr/share/game-data-packager')
sys.path.insert(0, '/usr/share/games/game-data-packager')
sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
from game_data_packager.command_line import (TerminalProgress) # noqa: E402
from game_data_packager.data import (HashedFile) # noqa: E402
class ZeroReader:
def __init__(self, total: int) -> None:
self.done = 0
self.total = total
def read(self, max_bytes: int) -> bytes:
ret = min(max_bytes, self.total - self.done)
self.total -= ret
return b'\x00' * ret
SIZE = 30 * 1024 * 1024
class HashedFileTestCase(unittest.TestCase):
def setUp(self) -> None:
hasher = hashlib.new('md5')
hasher.update(b'hello')
self.HELLO_MD5 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_MD5 = hasher.hexdigest()
hasher = hashlib.new('sha1')
hasher.update(b'hello')
self.HELLO_SHA1 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_SHA1 = hasher.hexdigest()
hasher = hashlib.new('sha256')
hasher.update(b'hello')
self.HELLO_SHA256 = hasher.hexdigest()
hasher.update(b', world!')
self.HELLO_WORLD_SHA256 = hasher.hexdigest()
def test_attrs(self) -> None:
hf = HashedFile('hello.txt')
self.assertIs(hf.have_hashes, False)
hf.md5 = self.HELLO_MD5
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.md5, self.HELLO_MD5)
with self.assertRaises(AssertionError):
hf.md5 = None
hf.sha1 = self.HELLO_SHA1
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.sha1, self.HELLO_SHA1)
hf.sha256 = self.HELLO_SHA256
self.assertIs(hf.have_hashes, True)
self.assertEqual(hf.sha256, self.HELLO_SHA256)
def test_matches(self) -> None:
first = HashedFile('hello.txt')
first.md5 = self.HELLO_MD5
second = HashedFile('hello.txt')
second.sha1 = self.HELLO_SHA1
with self.assertRaises(ValueError):
first.matches(second)
with self.assertRaises(ValueError):
second.matches(first)
second.md5 = self.HELLO_MD5
self.assertIs(first.matches(second), True)
self.assertIs(second.matches(first), True)
second = HashedFile('hello_world.txt')
second.md5 = self.HELLO_WORLD_MD5
self.assertIs(first.matches(second), False)
self.assertIs(second.matches(first), False)
def test_progress(self) -> None:
print('', file=sys.stderr)
HashedFile.from_file('progress.bin',
cast(BinaryIO, ZeroReader(SIZE)),
size=SIZE,
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_file('progress.bin',
cast(BinaryIO, ZeroReader(SIZE)),
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_file('progress.bin',
cast(BinaryIO, ZeroReader(SIZE)),
size=SIZE)
HashedFile.from_file('progress.bin',
cast(BinaryIO, ZeroReader(SIZE)))
print('', file=sys.stderr)
HashedFile.from_concatenated_files(
'concatenated.bin',
[cast(BinaryIO, ZeroReader(SIZE)),
cast(BinaryIO, ZeroReader(SIZE))],
size=2 * SIZE,
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_concatenated_files(
'concatenated.bin',
[cast(BinaryIO, ZeroReader(SIZE)),
cast(BinaryIO, ZeroReader(SIZE))],
progress=TerminalProgress(interval=0.1))
print('', file=sys.stderr)
HashedFile.from_concatenated_files(
'concatenated.bin',
[cast(BinaryIO, ZeroReader(SIZE)),
cast(BinaryIO, ZeroReader(SIZE))],
size=2 * SIZE)
HashedFile.from_concatenated_files(
'concatenated.bin',
[cast(BinaryIO, ZeroReader(SIZE)),
cast(BinaryIO, ZeroReader(SIZE))])
def tearDown(self) -> None:
pass
if __name__ == '__main__':
from gdp_test_common import main
main()
|
