78 lines
2.5 KiB
Python
78 lines
2.5 KiB
Python
# Copyright 2020 Mycroft AI Inc.
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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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#
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from unittest import TestCase
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from mycroft.client.speech.data_structures import (RollingMean,
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CyclicAudioBuffer)
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class TestRollingMean(TestCase):
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def test_before_rolling(self):
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mean = RollingMean(10)
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for i in range(5):
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mean.append_sample(i)
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self.assertEqual(mean.value, 2)
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for i in range(5):
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mean.append_sample(i)
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self.assertEqual(mean.value, 2)
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def test_during_rolling(self):
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mean = RollingMean(10)
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for _ in range(10):
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mean.append_sample(5)
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self.assertEqual(mean.value, 5)
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for _ in range(5):
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mean.append_sample(1)
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# Values should now be 5, 5, 5, 5, 5, 1, 1, 1, 1, 1
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self.assertAlmostEqual(mean.value, 3)
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for _ in range(5):
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mean.append_sample(2)
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# Values should now be 1, 1, 1, 1, 1, 2, 2, 2, 2, 2
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self.assertAlmostEqual(mean.value, 1.5)
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class TestCyclicBuffer(TestCase):
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def test_init(self):
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buff = CyclicAudioBuffer(16, b'abc')
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self.assertEqual(buff.get(), b'abc')
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self.assertEqual(len(buff), 3)
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def test_init_larger_inital_data(self):
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size = 16
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buff = CyclicAudioBuffer(size, b'a' * (size + 3))
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self.assertEqual(buff.get(), b'a' * size)
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def test_append_with_room_left(self):
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buff = CyclicAudioBuffer(16, b'abc')
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buff.append(b'def')
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self.assertEqual(buff.get(), b'abcdef')
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def test_append_with_full(self):
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buff = CyclicAudioBuffer(3, b'abc')
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buff.append(b'de')
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self.assertEqual(buff.get(), b'cde')
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self.assertEqual(len(buff), 3)
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def test_get_last(self):
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buff = CyclicAudioBuffer(3, b'abcdef')
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self.assertEqual(buff.get_last(3), b'def')
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def test_get_item(self):
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buff = CyclicAudioBuffer(6, b'abcdef')
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self.assertEqual(buff[:], b'abcdef')
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