mirror of
https://github.com/msgpack/msgpack-python.git
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143 lines
4.2 KiB
Python
143 lines
4.2 KiB
Python
#!/usr/bin/env python
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# coding: utf-8
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from __future__ import absolute_import, division, print_function, unicode_literals
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import pytest
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from msgpack import packb, unpackb, Packer, Unpacker, ExtType, PackException, PackOverflowError, PackValueError
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from msgpack import UnpackValueError, UnpackException
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@pytest.mark.parametrize("expected_exception", [OverflowError, ValueError, PackOverflowError,
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PackException, PackValueError])
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def test_integer(expected_exception):
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x = -(2 ** 63)
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assert unpackb(packb(x)) == x
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with pytest.raises(expected_exception):
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packb(x-1)
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x = 2 ** 64 - 1
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assert unpackb(packb(x)) == x
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with pytest.raises(expected_exception):
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packb(x+1)
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@pytest.mark.parametrize("expected_exception", [ValueError, PackException, PackValueError])
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def test_array_header(expected_exception):
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packer = Packer()
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packer.pack_array_header(2**32-1)
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with pytest.raises(expected_exception):
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packer.pack_array_header(2**32)
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@pytest.mark.parametrize("expected_exception", [ValueError, PackException, PackValueError])
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def test_map_header(expected_exception):
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packer = Packer()
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packer.pack_map_header(2**32-1)
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with pytest.raises(expected_exception):
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packer.pack_array_header(2**32)
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@pytest.mark.parametrize("expected_exception", [ValueError, UnpackValueError, UnpackException])
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def test_max_str_len(expected_exception):
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d = 'x' * 3
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packed = packb(d)
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unpacker = Unpacker(max_str_len=3, encoding='utf-8')
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unpacker.feed(packed)
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assert unpacker.unpack() == d
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unpacker = Unpacker(max_str_len=2, encoding='utf-8')
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with pytest.raises(expected_exception):
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unpacker.feed(packed)
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unpacker.unpack()
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@pytest.mark.parametrize("expected_exception", [ValueError, UnpackValueError, UnpackException])
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def test_max_bin_len(expected_exception):
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d = b'x' * 3
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packed = packb(d, use_bin_type=True)
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unpacker = Unpacker(max_bin_len=3)
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unpacker.feed(packed)
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assert unpacker.unpack() == d
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unpacker = Unpacker(max_bin_len=2)
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with pytest.raises(expected_exception):
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unpacker.feed(packed)
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unpacker.unpack()
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@pytest.mark.parametrize("expected_exception", [ValueError, UnpackValueError, UnpackException])
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def test_max_array_len(expected_exception):
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d = [1,2,3]
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packed = packb(d)
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unpacker = Unpacker(max_array_len=3)
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unpacker.feed(packed)
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assert unpacker.unpack() == d
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unpacker = Unpacker(max_array_len=2)
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with pytest.raises(expected_exception):
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unpacker.feed(packed)
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unpacker.unpack()
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@pytest.mark.parametrize("expected_exception", [ValueError, UnpackValueError, UnpackException])
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def test_max_map_len(expected_exception):
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d = {1: 2, 3: 4, 5: 6}
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packed = packb(d)
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unpacker = Unpacker(max_map_len=3)
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unpacker.feed(packed)
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assert unpacker.unpack() == d
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unpacker = Unpacker(max_map_len=2)
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with pytest.raises(expected_exception):
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unpacker.feed(packed)
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unpacker.unpack()
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@pytest.mark.parametrize("expected_exception", [ValueError, UnpackValueError, UnpackException])
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def test_max_ext_len(expected_exception):
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d = ExtType(42, b"abc")
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packed = packb(d)
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unpacker = Unpacker(max_ext_len=3)
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unpacker.feed(packed)
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assert unpacker.unpack() == d
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unpacker = Unpacker(max_ext_len=2)
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with pytest.raises(expected_exception):
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unpacker.feed(packed)
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unpacker.unpack()
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# PyPy fails following tests because of constant folding?
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# https://bugs.pypy.org/issue1721
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#@pytest.mark.skipif(True, reason="Requires very large memory.")
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#def test_binary():
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# x = b'x' * (2**32 - 1)
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# assert unpackb(packb(x)) == x
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# del x
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# x = b'x' * (2**32)
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# with pytest.raises(ValueError):
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# packb(x)
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#
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#
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#@pytest.mark.skipif(True, reason="Requires very large memory.")
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#def test_string():
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# x = 'x' * (2**32 - 1)
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# assert unpackb(packb(x)) == x
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# x += 'y'
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# with pytest.raises(ValueError):
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# packb(x)
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#
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#
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#@pytest.mark.skipif(True, reason="Requires very large memory.")
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#def test_array():
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# x = [0] * (2**32 - 1)
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# assert unpackb(packb(x)) == x
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# x.append(0)
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# with pytest.raises(ValueError):
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# packb(x)
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