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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from datetime import datetime
from datetime import timedelta
from datetime import timezone
from google.protobuf import duration_pb2
from google.protobuf import timestamp_pb2
import proto
from proto.marshal.marshal import BaseMarshal
from proto import datetime_helpers
from proto.datetime_helpers import DatetimeWithNanoseconds
def test_timestamp_read():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo(event_time=timestamp_pb2.Timestamp(seconds=1335020400))
assert isinstance(foo.event_time, DatetimeWithNanoseconds)
assert foo.event_time.year == 2012
assert foo.event_time.month == 4
assert foo.event_time.day == 21
assert foo.event_time.hour == 15
assert foo.event_time.minute == 0
assert foo.event_time.tzinfo == timezone.utc
def test_timestamp_write_init():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo(event_time=DatetimeWithNanoseconds(2012, 4, 21, 15, tzinfo=timezone.utc))
assert isinstance(foo.event_time, DatetimeWithNanoseconds)
assert isinstance(Foo.pb(foo).event_time, timestamp_pb2.Timestamp)
assert foo.event_time.year == 2012
assert foo.event_time.month == 4
assert foo.event_time.hour == 15
assert Foo.pb(foo).event_time.seconds == 1335020400
def test_timestamp_write():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo()
dns = DatetimeWithNanoseconds(2012, 4, 21, 15, tzinfo=timezone.utc)
foo.event_time = dns
assert isinstance(foo.event_time, DatetimeWithNanoseconds)
assert isinstance(Foo.pb(foo).event_time, timestamp_pb2.Timestamp)
assert foo.event_time.year == 2012
assert foo.event_time.month == 4
assert foo.event_time.hour == 15
assert Foo.pb(foo).event_time.seconds == 1335020400
def test_timestamp_write_pb2():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo()
foo.event_time = timestamp_pb2.Timestamp(seconds=1335020400)
assert isinstance(foo.event_time, DatetimeWithNanoseconds)
assert isinstance(Foo.pb(foo).event_time, timestamp_pb2.Timestamp)
assert foo.event_time.year == 2012
assert foo.event_time.month == 4
assert foo.event_time.hour == 15
assert Foo.pb(foo).event_time.seconds == 1335020400
def test_timestamp_write_string():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo()
foo.event_time = "2012-04-21T15:00:00Z"
assert isinstance(foo.event_time, DatetimeWithNanoseconds)
assert isinstance(Foo.pb(foo).event_time, timestamp_pb2.Timestamp)
assert foo.event_time.year == 2012
assert foo.event_time.month == 4
assert foo.event_time.hour == 15
assert Foo.pb(foo).event_time.seconds == 1335020400
def test_timestamp_rmw_nanos():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo()
foo.event_time = DatetimeWithNanoseconds(
2012, 4, 21, 15, 0, 0, 1, tzinfo=timezone.utc
)
assert foo.event_time.microsecond == 1
assert Foo.pb(foo).event_time.nanos == 1000
foo.event_time = foo.event_time.replace(microsecond=2)
assert foo.event_time.microsecond == 2
assert Foo.pb(foo).event_time.nanos == 2000
def test_timestamp_absence():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo()
assert foo.event_time is None
def test_timestamp_del():
class Foo(proto.Message):
event_time = proto.Field(
proto.MESSAGE,
number=1,
message=timestamp_pb2.Timestamp,
)
foo = Foo(event_time=DatetimeWithNanoseconds(2012, 4, 21, 15, tzinfo=timezone.utc))
del foo.event_time
assert foo.event_time is None
def test_duration_read():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo(ttl=duration_pb2.Duration(seconds=60, nanos=1000))
assert isinstance(foo.ttl, timedelta)
assert isinstance(Foo.pb(foo).ttl, duration_pb2.Duration)
assert foo.ttl.days == 0
assert foo.ttl.seconds == 60
assert foo.ttl.microseconds == 1
def test_duration_write_init():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo(ttl=timedelta(days=2))
assert isinstance(foo.ttl, timedelta)
assert isinstance(Foo.pb(foo).ttl, duration_pb2.Duration)
assert foo.ttl.days == 2
assert foo.ttl.seconds == 0
assert foo.ttl.microseconds == 0
assert Foo.pb(foo).ttl.seconds == 86400 * 2
def test_duration_write():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo()
foo.ttl = timedelta(seconds=120)
assert isinstance(foo.ttl, timedelta)
assert isinstance(Foo.pb(foo).ttl, duration_pb2.Duration)
assert foo.ttl.seconds == 120
assert Foo.pb(foo).ttl.seconds == 120
def test_duration_write_pb2():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo()
foo.ttl = duration_pb2.Duration(seconds=120)
assert isinstance(foo.ttl, timedelta)
assert isinstance(Foo.pb(foo).ttl, duration_pb2.Duration)
assert foo.ttl.seconds == 120
assert Foo.pb(foo).ttl.seconds == 120
def test_duration_write_string():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo()
foo.ttl = "120s"
assert isinstance(foo.ttl, timedelta)
assert isinstance(Foo.pb(foo).ttl, duration_pb2.Duration)
assert foo.ttl.seconds == 120
assert Foo.pb(foo).ttl.seconds == 120
def test_duration_write_string_nested():
class Foo(proto.Message):
foo_field: duration_pb2.Duration = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
Foo(foo_field="300s")
class Bar(proto.Message):
bar_field = proto.Field(proto.MESSAGE, number=1, message=Foo)
bar = Bar({"bar_field": {"foo_field": "300s"}})
assert isinstance(bar.bar_field.foo_field, timedelta)
assert isinstance(Bar.pb(bar).bar_field.foo_field, duration_pb2.Duration)
assert bar.bar_field.foo_field.seconds == 300
assert Bar.pb(bar).bar_field.foo_field.seconds == 300
def test_duration_del():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo(ttl=timedelta(seconds=900))
del foo.ttl
assert isinstance(foo.ttl, timedelta)
assert foo.ttl.days == 0
assert foo.ttl.seconds == 0
assert foo.ttl.microseconds == 0
def test_duration_nanos_rmw():
class Foo(proto.Message):
ttl = proto.Field(
proto.MESSAGE,
number=1,
message=duration_pb2.Duration,
)
foo = Foo(ttl=timedelta(microseconds=50))
assert foo.ttl.microseconds == 50
assert Foo.pb(foo).ttl.nanos == 50000
foo.ttl = timedelta(microseconds=25)
assert Foo.pb(foo).ttl.nanos == 25000
assert foo.ttl.microseconds == 25
def test_timestamp_to_python_idempotent():
# This path can never run in the current configuration because proto
# values are the only thing ever saved, and `to_python` is a read method.
#
# However, we test idempotency for consistency with `to_proto` and
# general resiliency.
marshal = BaseMarshal()
py_value = DatetimeWithNanoseconds(2012, 4, 21, 15, tzinfo=timezone.utc)
assert marshal.to_python(timestamp_pb2.Timestamp, py_value) is py_value
def test_duration_to_python_idempotent():
# This path can never run in the current configuration because proto
# values are the only thing ever saved, and `to_python` is a read method.
#
# However, we test idempotency for consistency with `to_proto` and
# general resiliency.
marshal = BaseMarshal()
py_value = timedelta(seconds=240)
assert marshal.to_python(duration_pb2.Duration, py_value) is py_value
def test_vanilla_datetime_construction():
# 99% of users are going to want to pass in regular datetime objects.
# Make sure that this interoperates well with nanosecond precision.
class User(proto.Message):
birthday = proto.Field(timestamp_pb2.Timestamp, number=1)
# Our user WAs born yesterday.
bday = datetime.now(tz=timezone.utc) + timedelta(days=-1)
u = User(birthday=bday)
assert u.birthday == bday
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