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