79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# Copyright 2020 The MediaPipe Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Tests for mediapipe.python._framework_bindings.timestamp."""
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import time
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from absl.testing import absltest
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from mediapipe.python._framework_bindings import timestamp
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Timestamp = timestamp.Timestamp
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class TimestampTest(absltest.TestCase):
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def test_timestamp(self):
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t = Timestamp(100)
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self.assertEqual(t.value, 100)
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self.assertEqual(t, 100)
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self.assertEqual(str(t), '<mediapipe.Timestamp with value: 100>')
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def test_timestamp_copy_constructor(self):
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ts1 = Timestamp(100)
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ts2 = Timestamp(ts1)
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self.assertEqual(ts1, ts2)
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def test_timestamp_comparsion(self):
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ts1 = Timestamp(100)
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ts2 = Timestamp(100)
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self.assertEqual(ts1, ts2)
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ts3 = Timestamp(200)
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self.assertNotEqual(ts1, ts3)
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def test_timestamp_special_values(self):
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t1 = Timestamp.UNSET
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self.assertEqual(str(t1), '<mediapipe.Timestamp with value: UNSET>')
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t2 = Timestamp.UNSTARTED
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self.assertEqual(str(t2), '<mediapipe.Timestamp with value: UNSTARTED>')
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t3 = Timestamp.PRESTREAM
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self.assertEqual(str(t3), '<mediapipe.Timestamp with value: PRESTREAM>')
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t4 = Timestamp.MIN
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self.assertEqual(str(t4), '<mediapipe.Timestamp with value: MIN>')
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t5 = Timestamp.MAX
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self.assertEqual(str(t5), '<mediapipe.Timestamp with value: MAX>')
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t6 = Timestamp.POSTSTREAM
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self.assertEqual(str(t6), '<mediapipe.Timestamp with value: POSTSTREAM>')
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t7 = Timestamp.DONE
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self.assertEqual(str(t7), '<mediapipe.Timestamp with value: DONE>')
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def test_timestamp_comparisons(self):
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ts1 = Timestamp(100)
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ts2 = Timestamp(101)
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self.assertGreater(ts2, ts1)
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self.assertGreaterEqual(ts2, ts1)
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self.assertLess(ts1, ts2)
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self.assertLessEqual(ts1, ts2)
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self.assertNotEqual(ts1, ts2)
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def test_from_seconds(self):
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now = time.time()
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ts = Timestamp.from_seconds(now)
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self.assertAlmostEqual(now, ts.seconds(), delta=1)
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if __name__ == '__main__':
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absltest.main()
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