Function setUpModule

Lib/test/test_zstd.py:76–131

()

def setUpModule():
    # uncompressed size 130KB, more than a zstd block.
    # with a frame epilogue, 4 bytes checksum.
    global DAT_130K_D
    DAT_130K_D = bytes([random.randint(0, 127) for _ in range(130*_1K)])

    global DAT_130K_C
    DAT_130K_C = compress(DAT_130K_D, options={CompressionParameter.checksum_flag:1})

    global DECOMPRESSED_DAT
    DECOMPRESSED_DAT = b'abcdefg123456' * 1000

    global COMPRESSED_DAT
    COMPRESSED_DAT = compress(DECOMPRESSED_DAT)

    global DECOMPRESSED_100_PLUS_32KB
    DECOMPRESSED_100_PLUS_32KB = b'a' * (100 + 32*_1K)

    global COMPRESSED_100_PLUS_32KB
    COMPRESSED_100_PLUS_32KB = compress(DECOMPRESSED_100_PLUS_32KB)

    global SKIPPABLE_FRAME
    SKIPPABLE_FRAME = (0x184D2A50).to_bytes(4, byteorder='little') + \
                      (32*_1K).to_bytes(4, byteorder='little') + \
                      b'a' * (32*_1K)

    global THIS_FILE_BYTES, THIS_FILE_STR
    with io.open(os.path.abspath(__file__), 'rb') as f:
        THIS_FILE_BYTES = f.read()
        THIS_FILE_BYTES = re.sub(rb'\r?\n', rb'\n', THIS_FILE_BYTES)
        THIS_FILE_STR = THIS_FILE_BYTES.decode('utf-8')

    global COMPRESSED_THIS_FILE
    COMPRESSED_THIS_FILE = compress(THIS_FILE_BYTES)

    global COMPRESSED_BOGUS
    COMPRESSED_BOGUS = DECOMPRESSED_DAT

    # dict data
    words = [b'red', b'green', b'yellow', b'black', b'withe', b'blue',
             b'lilac', b'purple', b'navy', b'glod', b'silver', b'olive',
             b'dog', b'cat', b'tiger', b'lion', b'fish', b'bird']
    lst = []
    for i in range(300):
        sample = [b'%s = %d' % (random.choice(words), random.randrange(100))
                  for j in range(20)]
        sample = b'\n'.join(sample)

        lst.append(sample)
    global SAMPLES
    SAMPLES = lst
    assert len(SAMPLES) > 10

    global TRAINED_DICT
    TRAINED_DICT = train_dict(SAMPLES, 3*_1K)
    assert len(TRAINED_DICT.dict_content) <= 3*_1K