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import datetime
import pytest
import msgpack
from msgpack.ext import Timestamp
def test_timestamp():
# timestamp32
ts = Timestamp(2**32 - 1)
assert ts.to_bytes() == b"\xff\xff\xff\xff"
packed = msgpack.packb(ts)
assert packed == b"\xd6\xff" + ts.to_bytes()
unpacked = msgpack.unpackb(packed)
assert ts == unpacked
assert ts.seconds == 2**32 - 1 and ts.nanoseconds == 0
# timestamp64
ts = Timestamp(2**34 - 1, 999999999)
assert ts.to_bytes() == b"\xee\x6b\x27\xff\xff\xff\xff\xff"
packed = msgpack.packb(ts)
assert packed == b"\xd7\xff" + ts.to_bytes()
unpacked = msgpack.unpackb(packed)
assert ts == unpacked
assert ts.seconds == 2**34 - 1 and ts.nanoseconds == 999999999
# timestamp96
ts = Timestamp(2**63 - 1, 999999999)
assert ts.to_bytes() == b"\x3b\x9a\xc9\xff\x7f\xff\xff\xff\xff\xff\xff\xff"
packed = msgpack.packb(ts)
assert packed == b"\xc7\x0c\xff" + ts.to_bytes()
unpacked = msgpack.unpackb(packed)
assert ts == unpacked
assert ts.seconds == 2**63 - 1 and ts.nanoseconds == 999999999
# negative fractional
ts = Timestamp.from_unix(-2.3) # s: -3, ns: 700000000
assert ts.seconds == -3 and ts.nanoseconds == 700000000
assert ts.to_bytes() == b"\x29\xb9\x27\x00\xff\xff\xff\xff\xff\xff\xff\xfd"
packed = msgpack.packb(ts)
assert packed == b"\xc7\x0c\xff" + ts.to_bytes()
unpacked = msgpack.unpackb(packed)
assert ts == unpacked
def test_unpack_timestamp():
# timestamp 32
assert msgpack.unpackb(b"\xd6\xff\x00\x00\x00\x00") == Timestamp(0)
# timestamp 64
assert msgpack.unpackb(b"\xd7\xff" + b"\x00" * 8) == Timestamp(0)
with pytest.raises(ValueError):
msgpack.unpackb(b"\xd7\xff" + b"\xff" * 8)
# timestamp 96
assert msgpack.unpackb(b"\xc7\x0c\xff" + b"\x00" * 12) == Timestamp(0)
with pytest.raises(ValueError):
msgpack.unpackb(b"\xc7\x0c\xff" + b"\xff" * 12) == Timestamp(0)
# Undefined
with pytest.raises(ValueError):
msgpack.unpackb(b"\xd4\xff\x00") # fixext 1
with pytest.raises(ValueError):
msgpack.unpackb(b"\xd5\xff\x00\x00") # fixext 2
with pytest.raises(ValueError):
msgpack.unpackb(b"\xc7\x00\xff") # ext8 (len=0)
with pytest.raises(ValueError):
msgpack.unpackb(b"\xc7\x03\xff\0\0\0") # ext8 (len=3)
with pytest.raises(ValueError):
msgpack.unpackb(b"\xc7\x05\xff\0\0\0\0\0") # ext8 (len=5)
def test_timestamp_from():
t = Timestamp(42, 14000)
assert Timestamp.from_unix(42.000014) == t
assert Timestamp.from_unix_nano(42000014000) == t
def test_timestamp_to():
t = Timestamp(42, 14000)
assert t.to_unix() == 42.000014
assert t.to_unix_nano() == 42000014000
def test_timestamp_datetime():
t = Timestamp(42, 14)
utc = datetime.timezone.utc
assert t.to_datetime() == datetime.datetime(1970, 1, 1, 0, 0, 42, 0, tzinfo=utc)
ts = datetime.datetime(2024, 4, 16, 8, 43, 9, 420317, tzinfo=utc)
ts2 = datetime.datetime(2024, 4, 16, 8, 43, 9, 420318, tzinfo=utc)
assert (
Timestamp.from_datetime(ts2).nanoseconds - Timestamp.from_datetime(ts).nanoseconds == 1000
)
ts3 = datetime.datetime(2024, 4, 16, 8, 43, 9, 4256)
ts4 = datetime.datetime(2024, 4, 16, 8, 43, 9, 4257)
assert (
Timestamp.from_datetime(ts4).nanoseconds - Timestamp.from_datetime(ts3).nanoseconds == 1000
)
assert Timestamp.from_datetime(ts).to_datetime() == ts
def test_unpack_datetime():
t = Timestamp(42, 14)
utc = datetime.timezone.utc
packed = msgpack.packb(t)
unpacked = msgpack.unpackb(packed, timestamp=3)
assert unpacked == datetime.datetime(1970, 1, 1, 0, 0, 42, 0, tzinfo=utc)
def test_pack_unpack_before_epoch():
utc = datetime.timezone.utc
t_in = datetime.datetime(1960, 1, 1, tzinfo=utc)
packed = msgpack.packb(t_in, datetime=True)
unpacked = msgpack.unpackb(packed, timestamp=3)
assert unpacked == t_in
def test_pack_datetime():
t = Timestamp(42, 14000)
dt = t.to_datetime()
utc = datetime.timezone.utc
assert dt == datetime.datetime(1970, 1, 1, 0, 0, 42, 14, tzinfo=utc)
packed = msgpack.packb(dt, datetime=True)
packed2 = msgpack.packb(t)
assert packed == packed2
unpacked = msgpack.unpackb(packed)
print(packed, unpacked)
assert unpacked == t
unpacked = msgpack.unpackb(packed, timestamp=3)
assert unpacked == dt
x = []
packed = msgpack.packb(dt, datetime=False, default=x.append)
assert x
assert x[0] == dt
assert msgpack.unpackb(packed) is None
def test_issue451():
# https://github.com/msgpack/msgpack-python/issues/451
utc = datetime.timezone.utc
dt = datetime.datetime(2100, 1, 1, 1, 1, tzinfo=utc)
packed = msgpack.packb(dt, datetime=True)
assert packed == b"\xd6\xff\xf4\x86eL"
unpacked = msgpack.unpackb(packed, timestamp=3)
assert dt == unpacked
def test_pack_datetime_without_tzinfo():
dt = datetime.datetime(1970, 1, 1, 0, 0, 42, 14)
with pytest.raises(ValueError, match="where tzinfo=None"):
packed = msgpack.packb(dt, datetime=True)
dt = datetime.datetime(1970, 1, 1, 0, 0, 42, 14)
packed = msgpack.packb(dt, datetime=True, default=lambda x: None)
assert packed == msgpack.packb(None)
utc = datetime.timezone.utc
dt = datetime.datetime(1970, 1, 1, 0, 0, 42, 14, tzinfo=utc)
packed = msgpack.packb(dt, datetime=True)
unpacked = msgpack.unpackb(packed, timestamp=3)
assert unpacked == dt
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