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# coding: utf-8
from msgpack import packb, unpackb, ExtType
def test_str8():
header = b"\xd9"
data = b"x" * 32
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\x20"
assert b[2:] == data
assert unpackb(b, raw=True) == data
assert unpackb(b, raw=False) == data.decode()
data = b"x" * 255
b = packb(data.decode(), use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\xff"
assert b[2:] == data
assert unpackb(b, raw=True) == data
assert unpackb(b, raw=False) == data.decode()
def test_bin8():
header = b"\xc4"
data = b""
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\x00"
assert b[2:] == data
assert unpackb(b) == data
data = b"x" * 255
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 2
assert b[0:2] == header + b"\xff"
assert b[2:] == data
assert unpackb(b) == data
def test_bin16():
header = b"\xc5"
data = b"x" * 256
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b"\x01\x00"
assert b[3:] == data
assert unpackb(b) == data
data = b"x" * 65535
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 3
assert b[0:1] == header
assert b[1:3] == b"\xff\xff"
assert b[3:] == data
assert unpackb(b) == data
def test_bin32():
header = b"\xc6"
data = b"x" * 65536
b = packb(data, use_bin_type=True)
assert len(b) == len(data) + 5
assert b[0:1] == header
assert b[1:5] == b"\x00\x01\x00\x00"
assert b[5:] == data
assert unpackb(b) == data
def test_ext():
def check(ext, packed):
assert packb(ext) == packed
assert unpackb(packed) == ext
check(ExtType(0x42, b"Z"), b"\xd4\x42Z") # fixext 1
check(ExtType(0x42, b"ZZ"), b"\xd5\x42ZZ") # fixext 2
check(ExtType(0x42, b"Z" * 4), b"\xd6\x42" + b"Z" * 4) # fixext 4
check(ExtType(0x42, b"Z" * 8), b"\xd7\x42" + b"Z" * 8) # fixext 8
check(ExtType(0x42, b"Z" * 16), b"\xd8\x42" + b"Z" * 16) # fixext 16
# ext 8
check(ExtType(0x42, b""), b"\xc7\x00\x42")
check(ExtType(0x42, b"Z" * 255), b"\xc7\xff\x42" + b"Z" * 255)
# ext 16
check(ExtType(0x42, b"Z" * 256), b"\xc8\x01\x00\x42" + b"Z" * 256)
check(ExtType(0x42, b"Z" * 0xFFFF), b"\xc8\xff\xff\x42" + b"Z" * 0xFFFF)
# ext 32
check(ExtType(0x42, b"Z" * 0x10000), b"\xc9\x00\x01\x00\x00\x42" + b"Z" * 0x10000)
# needs large memory
# check(ExtType(0x42, b'Z'*0xffffffff),
# b'\xc9\xff\xff\xff\xff\x42' + b'Z'*0xffffffff)
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