mirror of
https://github.com/msgpack/msgpack-python.git
synced 2025-10-19 12:03:15 +00:00
33e0e86f4e
* use isort * fallback: use BytesIO instead of StringIO. We had dropped Python 2 already.
165 lines
3.7 KiB
Python
165 lines
3.7 KiB
Python
#!/usr/bin/env python
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import pytest
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from msgpack import (
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ExtType,
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Packer,
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PackOverflowError,
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PackValueError,
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Unpacker,
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UnpackValueError,
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packb,
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unpackb,
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)
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def test_integer():
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x = -(2**63)
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assert unpackb(packb(x)) == x
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with pytest.raises(PackOverflowError):
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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(PackOverflowError):
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packb(x + 1)
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def test_array_header():
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packer = Packer()
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packer.pack_array_header(2**32 - 1)
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with pytest.raises(PackValueError):
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packer.pack_array_header(2**32)
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def test_map_header():
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packer = Packer()
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packer.pack_map_header(2**32 - 1)
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with pytest.raises(PackValueError):
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packer.pack_array_header(2**32)
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def test_max_str_len():
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d = "x" * 3
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packed = packb(d)
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unpacker = Unpacker(max_str_len=3, raw=False)
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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, raw=False)
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with pytest.raises(UnpackValueError):
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unpacker.feed(packed)
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unpacker.unpack()
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def test_max_bin_len():
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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(UnpackValueError):
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unpacker.feed(packed)
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unpacker.unpack()
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def test_max_array_len():
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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(UnpackValueError):
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unpacker.feed(packed)
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unpacker.unpack()
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def test_max_map_len():
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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, strict_map_key=False)
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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, strict_map_key=False)
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with pytest.raises(UnpackValueError):
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unpacker.feed(packed)
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unpacker.unpack()
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def test_max_ext_len():
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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(UnpackValueError):
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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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# auto max len
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def test_auto_max_array_len():
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packed = b"\xde\x00\x06zz"
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with pytest.raises(UnpackValueError):
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unpackb(packed, raw=False)
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unpacker = Unpacker(max_buffer_size=5, raw=False)
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unpacker.feed(packed)
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with pytest.raises(UnpackValueError):
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unpacker.unpack()
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def test_auto_max_map_len():
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# len(packed) == 6 -> max_map_len == 3
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packed = b"\xde\x00\x04zzz"
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with pytest.raises(UnpackValueError):
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unpackb(packed, raw=False)
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unpacker = Unpacker(max_buffer_size=6, raw=False)
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unpacker.feed(packed)
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with pytest.raises(UnpackValueError):
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unpacker.unpack()
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