def test_create_bindiff_for_files_unknown_hashes(data_path, media_path,
read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
with pytest.raises(ValueError):
diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
hashsums=('wtfsum', ),
)
assert not os.path.exists(file_patch)
def test_create_bindiff_for_files_complex(data_path, media_path, read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with open(file_patch, 'rb') as fpp:
assert read_headers(fpp) == {
'1-mtime':
datetime.utcfromtimestamp(
os.stat(file1).st_mtime).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
'2-mtime':
datetime.utcfromtimestamp(
os.stat(file2).st_mtime).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
'1-mode':
stat.filemode(os.stat(file1).st_mode)[1:],
'2-mode':
stat.filemode(os.stat(file2).st_mode)[1:],
'1-sha256sum':
'4795a1c2517089e4df569afd77c04e949139cf299c87f012b894fccf91df4594',
'2-sha256sum':
'dc4d8352e3da3129e1c85cb41ffdce1e2a307f308af9d3e1c770d80c5944e01f',
}
assert fpp.read(
) == b'= 3\n\n- 3\n\n456\n\n+ 3\n\nqqq\n\n= 4\n\n- 1\n\n\n\n\n+ 5\n\nabcd\n\n\n'
def test_create_bindiff_for_files_complex_fromempty_disallowed(
data_path, media_path, read_headers):
file1 = os.path.join(data_path, 'old', 'nonexisting_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
assert not os.path.exists(file1)
with pytest.raises(OSError):
diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
)
assert not os.path.exists(file_patch)
def test_create_bindiff_for_files_complex_gzip_manual(data_path, media_path,
read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
gzip_level=9,
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with gzip.open(file_patch, 'rb') as fpp:
assert read_headers(fpp)
assert fpp.read()
def test_create_bindiff_for_files_complex_gzip_auto_fromempty(
data_path, media_path, read_headers):
file1 = os.path.join(data_path, 'old', 'nonexisting_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch.gz')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
allow_empty=True,
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with gzip.open(file_patch, 'rb') as fpp:
assert read_headers(fpp)
assert fpp.read()
def test_create_bindiff_for_files_complex_nogzip_manual(
data_path, media_path, read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch.gz')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
gzip_level=0,
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with open(file_patch, 'rb') as fpp:
# Да-да, мы просили в .gz файл записать НЕ гзип :)
assert read_headers(fpp)
assert fpp.read()
def test_create_bindiff_for_files_complex_gzip_auto(data_path, media_path,
read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch.gz')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with gzip.open(file_patch, 'rb') as fpp:
# Просто проверяем, что это действительно патч и действительно гзипнутый
# (корректность содержимого патча уже проверили и перепроверили в тестах выше)
assert read_headers(fpp)
assert fpp.read()
def test_create_bindiff_for_files_complex_noheaders(data_path, media_path,
read_headers):
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
mtime=False,
modes=False,
hashsums=(),
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with open(file_patch, 'rb') as fpp:
assert read_headers(fpp) == {}
assert fpp.read(
) == b'= 3\n\n- 3\n\n456\n\n+ 3\n\nqqq\n\n= 4\n\n- 1\n\n\n\n\n+ 5\n\nabcd\n\n\n'
def test_verbosity(data_path, media_path, read_headers):
# Просто прогоняем всё с verbose, чтобы проверить, что ничего не упадёт
file1 = os.path.join(data_path, 'old', 'bigger_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch.gz')
diff.create_bindiff_for_files(file1, file2, file_patch, verbose=2)
diff.create_bindiff_for_files(file1,
file2,
file_patch,
verbose=2,
gzip_level=0)
diff.create_bindiff_for_files(file1 + 'nonexist',
file2,
file_patch,
verbose=2,
allow_empty=True)
def test_create_bindiff_for_files_complex_fromempty(data_path, media_path,
read_headers):
file1 = os.path.join(data_path, 'old', 'nonexisting_file.txt')
file2 = os.path.join(data_path, 'new', 'bigger_file.txt')
file_patch = os.path.join(media_path, 'patch')
assert not os.path.exists(file1)
result = diff.create_bindiff_for_files(
file1=file1,
file2=file2,
file_patch=file_patch,
block_size_in=1,
allow_empty=True,
block_size_out=2, # должен игнорироваться при пустом первом файле
)
assert isinstance(result, dict)
assert os.path.isfile(file_patch)
with open(file_patch, 'rb') as fpp:
assert read_headers(fpp) == {
'1-mtime':
datetime(1970, 1, 1, 0, 0, 0).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
'2-mtime':
datetime.utcfromtimestamp(
os.stat(file2).st_mtime).strftime('%Y-%m-%dT%H:%M:%S.%fZ'),
'1-mode':
'---------',
'2-mode':
stat.filemode(os.stat(file2).st_mode)[1:],
'1-sha256sum':
'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855',
'2-sha256sum':
'dc4d8352e3da3129e1c85cb41ffdce1e2a307f308af9d3e1c770d80c5944e01f',
}
assert fpp.read() == b'+ 15\n\n123qqq7890abcd\n\n\n'