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138 lines
4.5 KiB
138 lines
4.5 KiB
from lib import util
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def test_cachedproperty():
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class Target:
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CALL_COUNT = 0
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def __init__(self):
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self.call_count = 0
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@util.cachedproperty
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def prop(self):
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self.call_count += 1
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return self.call_count
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@util.cachedproperty
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def cls_prop(cls):
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cls.CALL_COUNT += 1
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return cls.CALL_COUNT
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t = Target()
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assert t.prop == t.prop == 1
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assert Target.cls_prop == Target.cls_prop == 1
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def test_deep_getsizeof():
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int_t = util.deep_getsizeof(1)
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assert util.deep_getsizeof([1, 1]) > 2 * int_t
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assert util.deep_getsizeof({1: 1}) > 2 * int_t
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assert util.deep_getsizeof({1: {1: 1}}) > 3 * int_t
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class Base:
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pass
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class A(Base):
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pass
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class B(Base):
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pass
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def test_subclasses():
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assert util.subclasses(Base) == [A, B]
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assert util.subclasses(Base, strict=False) == [A, B, Base]
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def test_chunks():
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assert list(util.chunks([1, 2, 3, 4, 5], 2)) == [[1, 2], [3, 4], [5]]
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def test_increment_byte_string():
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assert util.increment_byte_string(b'1') == b'2'
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assert util.increment_byte_string(b'\x01\x01') == b'\x01\x02'
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assert util.increment_byte_string(b'\xff\xff') is None
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def test_is_valid_hostname():
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is_valid_hostname = util.is_valid_hostname
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assert not is_valid_hostname('')
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assert is_valid_hostname('a')
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assert is_valid_hostname('_')
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# Hyphens
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assert not is_valid_hostname('-b')
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assert not is_valid_hostname('a.-b')
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assert is_valid_hostname('a-b')
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assert not is_valid_hostname('b-')
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assert not is_valid_hostname('b-.c')
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# Dots
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assert is_valid_hostname('a.')
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assert is_valid_hostname('foo1.Foo')
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assert not is_valid_hostname('foo1..Foo')
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assert is_valid_hostname('12Foo.Bar.Bax_')
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assert is_valid_hostname('12Foo.Bar.Baz_12')
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# 63 octets in part
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assert is_valid_hostname('a.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN'
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'OPQRSTUVWXYZ0123456789_.bar')
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# Over 63 octets in part
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assert not is_valid_hostname('a.abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMN'
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'OPQRSTUVWXYZ0123456789_1.bar')
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len255 = ('a' * 62 + '.') * 4 + 'abc'
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assert is_valid_hostname(len255)
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assert not is_valid_hostname(len255 + 'd')
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def test_protocol_tuple():
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assert util.protocol_tuple(None) == (0, )
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assert util.protocol_tuple("foo") == (0, )
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assert util.protocol_tuple(1) == (0, )
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assert util.protocol_tuple("1") == (1, )
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assert util.protocol_tuple("0.1") == (0, 1)
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assert util.protocol_tuple("0.10") == (0, 10)
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assert util.protocol_tuple("2.5.3") == (2, 5, 3)
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def test_protocol_version_string():
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assert util.protocol_version_string(()) == "0.0"
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assert util.protocol_version_string((1, )) == "1.0"
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assert util.protocol_version_string((1, 2)) == "1.2"
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assert util.protocol_version_string((1, 3, 2)) == "1.3.2"
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def test_protocol_version():
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assert util.protocol_version(None, "1.0", "1.0") == (1, 0)
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assert util.protocol_version("0.10", "0.10", "1.1") == (0, 10)
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assert util.protocol_version("1.0", "1.0", "1.0") == (1, 0)
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assert util.protocol_version("1.0", "1.0", "1.1") == (1, 0)
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assert util.protocol_version("1.1", "1.0", "1.1") == (1, 1)
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assert util.protocol_version("1.2", "1.0", "1.1") is None
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assert util.protocol_version("0.9", "1.0", "1.1") is None
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assert util.protocol_version(["0.9", "1.0"], "1.0", "1.1") == (1, 0)
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assert util.protocol_version(["0.9", "1.1"], "1.0", "1.1") == (1, 1)
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assert util.protocol_version(["1.1", "0.9"], "1.0", "1.1") is None
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assert util.protocol_version(["0.8", "0.9"], "1.0", "1.1") is None
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assert util.protocol_version(["1.1", "1.2"], "1.0", "1.1") == (1, 1)
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assert util.protocol_version(["1.2", "1.3"], "1.0", "1.1") is None
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def test_unpackers():
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b = bytes(range(256))
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assert util.unpack_int32_from(b, 0) == (50462976,)
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assert util.unpack_int32_from(b, 42) == (757869354,)
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assert util.unpack_int64_from(b, 0) == (506097522914230528,)
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assert util.unpack_int64_from(b, 42) == (3544384782113450794,)
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assert util.unpack_uint16_from(b, 0) == (256,)
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assert util.unpack_uint16_from(b, 42) == (11050,)
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assert util.unpack_uint32_from(b, 0) == (50462976,)
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assert util.unpack_uint32_from(b, 42) == (757869354,)
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assert util.unpack_uint64_from(b, 0) == (506097522914230528,)
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assert util.unpack_uint64_from(b, 42) == (3544384782113450794,)
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def test_hex_transforms():
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h = "AABBCCDDEEFF"
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assert util.hex_to_bytes(h) == b'\xaa\xbb\xcc\xdd\xee\xff'
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