mediapipe/mediapipe2/python/timestamp_test.py
2021-06-10 23:01:19 +00:00

76 lines
2.4 KiB
Python

# Copyright 2020 The MediaPipe Authors.
#
# 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
#
# 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.
"""Tests for mediapipe.python._framework_bindings.timestamp."""
import time
from absl.testing import absltest
import mediapipe as mp
class TimestampTest(absltest.TestCase):
def test_timestamp(self):
t = mp.Timestamp(100)
self.assertEqual(t.value, 100)
self.assertEqual(t, 100)
self.assertEqual(str(t), '<mediapipe.Timestamp with value: 100>')
def test_timestamp_copy_constructor(self):
ts1 = mp.Timestamp(100)
ts2 = mp.Timestamp(ts1)
self.assertEqual(ts1, ts2)
def test_timestamp_comparsion(self):
ts1 = mp.Timestamp(100)
ts2 = mp.Timestamp(100)
self.assertEqual(ts1, ts2)
ts3 = mp.Timestamp(200)
self.assertNotEqual(ts1, ts3)
def test_timestamp_special_values(self):
t1 = mp.Timestamp.UNSET
self.assertEqual(str(t1), '<mediapipe.Timestamp with value: UNSET>')
t2 = mp.Timestamp.UNSTARTED
self.assertEqual(str(t2), '<mediapipe.Timestamp with value: UNSTARTED>')
t3 = mp.Timestamp.PRESTREAM
self.assertEqual(str(t3), '<mediapipe.Timestamp with value: PRESTREAM>')
t4 = mp.Timestamp.MIN
self.assertEqual(str(t4), '<mediapipe.Timestamp with value: MIN>')
t5 = mp.Timestamp.MAX
self.assertEqual(str(t5), '<mediapipe.Timestamp with value: MAX>')
t6 = mp.Timestamp.POSTSTREAM
self.assertEqual(str(t6), '<mediapipe.Timestamp with value: POSTSTREAM>')
t7 = mp.Timestamp.DONE
self.assertEqual(str(t7), '<mediapipe.Timestamp with value: DONE>')
def test_timestamp_comparisons(self):
ts1 = mp.Timestamp(100)
ts2 = mp.Timestamp(101)
self.assertGreater(ts2, ts1)
self.assertGreaterEqual(ts2, ts1)
self.assertLess(ts1, ts2)
self.assertLessEqual(ts1, ts2)
self.assertNotEqual(ts1, ts2)
def test_from_seconds(self):
now = time.time()
ts = mp.Timestamp.from_seconds(now)
self.assertAlmostEqual(now, ts.seconds(), delta=1)
if __name__ == '__main__':
absltest.main()