def test_ext_handlers_subclass(self):
class Rectangle:
def __init__(self, length, width):
self.length = length
self.width = width
def __eq__(self, other):
return self.length == other.length and self.width == other.width
class Square(Rectangle):
def __init__(self, width):
Rectangle.__init__(self, width, width)
# Test pack (packs base class)
packed = umsgpack.packb(
Square(5),
ext_handlers={
Rectangle:
lambda obj: umsgpack.Ext(
0x10, umsgpack.packb([obj.length, obj.width])),
})
self.assertEqual(packed, b"\xc7\x03\x10\x92\x05\x05")
# Test unpack (unpacks base class)
unpacked = umsgpack.unpackb(
packed,
ext_handlers={
0x10: lambda ext: Rectangle(*umsgpack.unpackb(ext.data)),
})
self.assertEqual(unpacked, Rectangle(5, 5))
def test_pack_exceptions(self):
for (name, obj, exception) in pack_exception_test_vectors:
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
with self.assertRaises(exception):
umsgpack.packb(obj)
def test_ext_serializable_subclass(self):
@umsgpack.ext_serializable(0x10)
class Rectangle:
def __init__(self, length, width):
self.length = length
self.width = width
def __eq__(self, other):
return self.length == other.length and self.width == other.width
def packb(self):
return umsgpack.packb([self.length, self.width])
@classmethod
def unpackb(cls, data):
return cls(*umsgpack.unpackb(data))
class Square(Rectangle):
def __init__(self, width):
Rectangle.__init__(self, width, width)
# Test pack (packs base class)
packed = umsgpack.packb(Square(5))
self.assertEqual(packed, b"\xc7\x03\x10\x92\x05\x05")
# Test unpack (unpacks base class)
unpacked = umsgpack.unpackb(packed)
self.assertEqual(unpacked, Rectangle(5, 5))
# Unregister Ext serializable classes to prevent interference with
# subsequent tests
umsgpack._ext_classes_to_code = {}
umsgpack._ext_code_to_classes = {}
def test_pack_composite(self):
for (name, obj, data) in composite_test_vectors:
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
self.assertEqual(umsgpack.packb(obj), data)
def test_pack_ext_override(self):
# Test overridden packing of datetime.datetime
(name, obj, data) = override_ext_handlers_test_vectors[0]
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name, obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
packed = umsgpack.packb(obj, ext_handlers=override_ext_handlers)
self.assertEqual(packed, data)
def test_pack_naive_timestamp(self):
for (name, obj, data, _) in naive_timestamp_test_vectors:
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
packed = umsgpack.packb(obj)
self.assertEqual(packed, data)
def test_pack_ext_handler(self):
for (name, obj, data) in ext_handlers_test_vectors:
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
packed = umsgpack.packb(obj, ext_handlers=ext_handlers)
self.assertEqual(packed, data)
def test_pack_force_float_precision(self):
for ((name, obj, data), precision) in zip(float_precision_test_vectors,
["single", "double"]):
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
packed = umsgpack.packb(obj, force_float_precision=precision)
self.assertEqual(packed, data)
def test_pack_compatibility(self):
umsgpack.compatibility = True
for (name, obj, data) in compatibility_test_vectors:
obj_repr = repr(obj)
print("\tTesting {:s}: object {:s}".format(
name,
obj_repr if len(obj_repr) < 24 else obj_repr[0:24] + "..."))
self.assertEqual(umsgpack.packb(obj), data)
umsgpack.compatibility = False
def packb(self):
return umsgpack.packb([self.length, self.width])
def test_ext_serializable(self):
# Register test class
@umsgpack.ext_serializable(0x20)
class CustomComplex:
def __init__(self, real, imag):
self.real = real
self.imag = imag
def __eq__(self, other):
return self.real == other.real and self.imag == other.imag
def packb(self):
return struct.pack("<II", self.real, self.imag)
@classmethod
def unpackb(cls, data):
return cls(*struct.unpack("<II", data))
obj, data = CustomComplex(
123, 456), b"\xd7\x20\x7b\x00\x00\x00\xc8\x01\x00\x00"
# Test pack
packed = umsgpack.packb(obj)
self.assertEqual(packed, data)
# Test unpack
unpacked = umsgpack.unpackb(packed)
self.assertTrue(isinstance(unpacked, CustomComplex))
self.assertEqual(unpacked, obj)
_, obj, data = ext_handlers_test_vectors[0]
# Test pack priority of ext_handlers over ext_serializable()
packed = umsgpack.packb(obj, ext_handlers=ext_handlers)
self.assertEqual(packed, data)
# Test unpack priority of ext_handlers over ext_serializable()
unpacked = umsgpack.unpackb(data, ext_handlers=ext_handlers)
self.assertTrue(isinstance(unpacked, complex))
self.assertEqual(unpacked, obj)
# Test registration collision
with self.assertRaises(ValueError):
@umsgpack.ext_serializable(0x20)
class DummyClass:
pass
# Test out of range Ext type value
with self.assertRaises(ValueError):
@umsgpack.ext_serializable(-129)
class DummyClass2:
pass
with self.assertRaises(ValueError):
@umsgpack.ext_serializable(128)
class DummyClass3:
pass
# Register class with missing packb() and unpackb()
@umsgpack.ext_serializable(0x21)
class IncompleteClass:
pass
# Test unimplemented packb()
with self.assertRaises(NotImplementedError):
umsgpack.packb(IncompleteClass())
# Test unimplemented unpackb()
with self.assertRaises(NotImplementedError):
umsgpack.unpackb(b"\xd4\x21\x00")
# Unregister Ext serializable classes to prevent interference with
# subsequent tests
umsgpack._ext_classes_to_code = {}
umsgpack._ext_code_to_classes = {}
datetime.datetime(2200, 1, 1, 10, 5, 2, 1234, umsgpack._utc_tzinfo)
],
[
"96-bit timestamp (naive)",
datetime.datetime(3000, 1, 1, 10, 5, 2, 1234, umsgpack._utc_tzinfo),
b"\xc7\x0c\xff\x00\x12\xd4\x50\x00\x00\x00\x07\x91\x5f\x59\xce",
datetime.datetime(3000, 1, 1, 10, 5, 2, 1234, umsgpack._utc_tzinfo)
],
]
CustomType = namedtuple('CustomType', ['x', 'y', 'z'])
ext_handlers = {
complex:
lambda obj: umsgpack.Ext(0x20, struct.pack("<ff", obj.real, obj.imag)),
CustomType: lambda obj: umsgpack.Ext(0x30, umsgpack.packb(list(obj))),
0x20: lambda ext: complex(*struct.unpack("<ff", ext.data)),
0x30: lambda ext: CustomType(*umsgpack.unpackb(ext.data)),
}
ext_handlers_test_vectors = [
["complex",
complex(1, 2), b"\xd7\x20\x00\x00\x80\x3f\x00\x00\x00\x40"],
[
"custom type",
CustomType(b"abc", 123, True),
b"\xd7\x30\x93\xc4\x03\x61\x62\x63\x7b\xc3"
],
]
override_ext_handlers = {
