83 lines
2.7 KiB
Python
83 lines
2.7 KiB
Python
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# Copyright 2016 Google Inc. All Rights Reserved.
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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 events_lib."""
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import copy
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# internal imports
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import tensorflow as tf
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from magenta.music import events_lib
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class EventsLibTest(tf.test.TestCase):
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def testDeepcopy(self):
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.from_event_list([0, 1, 2], start_step=0, steps_per_quarter=4,
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steps_per_bar=8)
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events_copy = copy.deepcopy(events)
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self.assertEqual(events, events_copy)
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events.set_length(2)
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self.assertNotEqual(events, events_copy)
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def testAppendEvent(self):
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.append_event(7)
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self.assertListEqual([7], list(events))
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self.assertEqual(0, events.start_step)
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self.assertEqual(1, events.end_step)
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events.append_event('cheese')
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self.assertListEqual([7, 'cheese'], list(events))
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self.assertEqual(0, events.start_step)
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self.assertEqual(2, events.end_step)
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def testSetLength(self):
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.from_event_list([60], start_step=9)
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events.set_length(5)
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self.assertListEqual([60, 0, 0, 0, 0],
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list(events))
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self.assertEquals(9, events.start_step)
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self.assertEquals(14, events.end_step)
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.from_event_list([60], start_step=9)
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events.set_length(5, from_left=True)
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self.assertListEqual([0, 0, 0, 0, 60],
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list(events))
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self.assertEquals(5, events.start_step)
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self.assertEquals(10, events.end_step)
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.from_event_list([60, 0, 0, 0])
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events.set_length(3)
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self.assertListEqual([60, 0, 0], list(events))
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self.assertEquals(0, events.start_step)
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self.assertEquals(3, events.end_step)
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events = events_lib.SimpleEventSequence(pad_event=0)
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events.from_event_list([60, 0, 0, 0])
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events.set_length(3, from_left=True)
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self.assertListEqual([0, 0, 0], list(events))
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self.assertEquals(1, events.start_step)
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self.assertEquals(4, events.end_step)
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if __name__ == '__main__':
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tf.test.main()
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