#

# Licensed to the Apache Software Foundation (ASF) under one or more

# contributor license agreements. See the NOTICE file distributed with

# this work for additional information regarding copyright ownership.

# The ASF licenses this file to You 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

#

# http://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.

#

import unittest

from google.protobuf import duration_pb2

from google.protobuf import timestamp_pb2

from apache_beam.utils import proto_utils

from apache_beam.utils.timestamp import MAX_TIMESTAMP

class TestProtoUtils(unittest.TestCase):

def test_from_micros_duration(self):

ts = proto_utils.from_micros(duration_pb2.Duration, MAX_TIMESTAMP.micros)

expected = duration_pb2.Duration(

seconds=MAX_TIMESTAMP.seconds(), nanos=775000000)

self.assertEqual(ts, expected)

def test_from_micros_timestamp(self):

ts = proto_utils.from_micros(timestamp_pb2.Timestamp, MAX_TIMESTAMP.micros)

expected = timestamp_pb2.Timestamp(

seconds=MAX_TIMESTAMP.seconds(), nanos=775000000)

self.assertEqual(ts, expected)

def test_to_micros_duration(self):

dur = duration_pb2.Duration(

seconds=MAX_TIMESTAMP.seconds(), nanos=775000000)

ts = proto_utils.to_micros(dur)

expected = MAX_TIMESTAMP.micros

self.assertEqual(ts, expected)

def test_to_micros_timestamp(self):

dur = timestamp_pb2.Timestamp(

seconds=MAX_TIMESTAMP.seconds(), nanos=775000000)

ts = proto_utils.to_micros(dur)

expected = MAX_TIMESTAMP.micros

self.assertEqual(ts, expected)

def test_round_trip_duration(self):

expected = 919336704

dur = proto_utils.from_micros(duration_pb2.Duration, expected)

ms = proto_utils.to_micros(dur)

self.assertEqual(ms, expected)

def test_round_trip_timestamp(self):

expected = 919336704

ts = proto_utils.from_micros(timestamp_pb2.Timestamp, expected)

ms = proto_utils.to_micros(ts)

self.assertEqual(ms, expected)

if __name__ == '__main__':

unittest.main()