Module note_seq.events_lib_test
Tests for events_lib.
Expand source code
# Copyright 2021 The Magenta 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 events_lib."""
import copy
from absl.testing import absltest
from note_seq import events_lib
class EventsLibTest(absltest.TestCase):
def testDeepcopy(self):
events = events_lib.SimpleEventSequence(
pad_event=0, events=[0, 1, 2], start_step=0, steps_per_quarter=4,
steps_per_bar=8)
events_copy = copy.deepcopy(events)
self.assertEqual(events, events_copy)
events.set_length(2)
self.assertNotEqual(events, events_copy)
def testAppendEvent(self):
events = events_lib.SimpleEventSequence(pad_event=0)
events.append(7)
self.assertListEqual([7], list(events))
self.assertEqual(0, events.start_step)
self.assertEqual(1, events.end_step)
events.append('cheese')
self.assertListEqual([7, 'cheese'], list(events))
self.assertEqual(0, events.start_step)
self.assertEqual(2, events.end_step)
def testSetLength(self):
events = events_lib.SimpleEventSequence(
pad_event=0, events=[60], start_step=9)
events.set_length(5)
self.assertListEqual([60, 0, 0, 0, 0],
list(events))
self.assertEqual(9, events.start_step)
self.assertEqual(14, events.end_step)
self.assertListEqual([9, 10, 11, 12, 13], events.steps)
events = events_lib.SimpleEventSequence(
pad_event=0, events=[60], start_step=9)
events.set_length(5, from_left=True)
self.assertListEqual([0, 0, 0, 0, 60],
list(events))
self.assertEqual(5, events.start_step)
self.assertEqual(10, events.end_step)
self.assertListEqual([5, 6, 7, 8, 9], events.steps)
events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0])
events.set_length(3)
self.assertListEqual([60, 0, 0], list(events))
self.assertEqual(0, events.start_step)
self.assertEqual(3, events.end_step)
self.assertListEqual([0, 1, 2], events.steps)
events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0])
events.set_length(3, from_left=True)
self.assertListEqual([0, 0, 0], list(events))
self.assertEqual(1, events.start_step)
self.assertEqual(4, events.end_step)
self.assertListEqual([1, 2, 3], events.steps)
def testIncreaseResolution(self):
events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0],
start_step=5, steps_per_bar=4,
steps_per_quarter=1)
events.increase_resolution(3, fill_event=None)
self.assertListEqual([1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0], list(events))
self.assertEqual(events.start_step, 15)
self.assertEqual(events.steps_per_bar, 12)
self.assertEqual(events.steps_per_quarter, 3)
events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0])
events.increase_resolution(2, fill_event=0)
self.assertListEqual([1, 0, 0, 0, 1, 0, 0, 0], list(events))
if __name__ == '__main__':
absltest.main()
Classes
class EventsLibTest (*args, **kwargs)
-
Extension of unittest.TestCase providing more power.
Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.
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class EventsLibTest(absltest.TestCase): def testDeepcopy(self): events = events_lib.SimpleEventSequence( pad_event=0, events=[0, 1, 2], start_step=0, steps_per_quarter=4, steps_per_bar=8) events_copy = copy.deepcopy(events) self.assertEqual(events, events_copy) events.set_length(2) self.assertNotEqual(events, events_copy) def testAppendEvent(self): events = events_lib.SimpleEventSequence(pad_event=0) events.append(7) self.assertListEqual([7], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(1, events.end_step) events.append('cheese') self.assertListEqual([7, 'cheese'], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(2, events.end_step) def testSetLength(self): events = events_lib.SimpleEventSequence( pad_event=0, events=[60], start_step=9) events.set_length(5) self.assertListEqual([60, 0, 0, 0, 0], list(events)) self.assertEqual(9, events.start_step) self.assertEqual(14, events.end_step) self.assertListEqual([9, 10, 11, 12, 13], events.steps) events = events_lib.SimpleEventSequence( pad_event=0, events=[60], start_step=9) events.set_length(5, from_left=True) self.assertListEqual([0, 0, 0, 0, 60], list(events)) self.assertEqual(5, events.start_step) self.assertEqual(10, events.end_step) self.assertListEqual([5, 6, 7, 8, 9], events.steps) events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0]) events.set_length(3) self.assertListEqual([60, 0, 0], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(3, events.end_step) self.assertListEqual([0, 1, 2], events.steps) events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0]) events.set_length(3, from_left=True) self.assertListEqual([0, 0, 0], list(events)) self.assertEqual(1, events.start_step) self.assertEqual(4, events.end_step) self.assertListEqual([1, 2, 3], events.steps) def testIncreaseResolution(self): events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0], start_step=5, steps_per_bar=4, steps_per_quarter=1) events.increase_resolution(3, fill_event=None) self.assertListEqual([1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0], list(events)) self.assertEqual(events.start_step, 15) self.assertEqual(events.steps_per_bar, 12) self.assertEqual(events.steps_per_quarter, 3) events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0]) events.increase_resolution(2, fill_event=0) self.assertListEqual([1, 0, 0, 0, 1, 0, 0, 0], list(events))
Ancestors
- absl.testing.absltest.TestCase
- absl.third_party.unittest3_backport.case.TestCase
- unittest.case.TestCase
Methods
def testAppendEvent(self)
-
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def testAppendEvent(self): events = events_lib.SimpleEventSequence(pad_event=0) events.append(7) self.assertListEqual([7], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(1, events.end_step) events.append('cheese') self.assertListEqual([7, 'cheese'], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(2, events.end_step)
def testDeepcopy(self)
-
Expand source code
def testDeepcopy(self): events = events_lib.SimpleEventSequence( pad_event=0, events=[0, 1, 2], start_step=0, steps_per_quarter=4, steps_per_bar=8) events_copy = copy.deepcopy(events) self.assertEqual(events, events_copy) events.set_length(2) self.assertNotEqual(events, events_copy)
def testIncreaseResolution(self)
-
Expand source code
def testIncreaseResolution(self): events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0], start_step=5, steps_per_bar=4, steps_per_quarter=1) events.increase_resolution(3, fill_event=None) self.assertListEqual([1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0], list(events)) self.assertEqual(events.start_step, 15) self.assertEqual(events.steps_per_bar, 12) self.assertEqual(events.steps_per_quarter, 3) events = events_lib.SimpleEventSequence(pad_event=0, events=[1, 0, 1, 0]) events.increase_resolution(2, fill_event=0) self.assertListEqual([1, 0, 0, 0, 1, 0, 0, 0], list(events))
def testSetLength(self)
-
Expand source code
def testSetLength(self): events = events_lib.SimpleEventSequence( pad_event=0, events=[60], start_step=9) events.set_length(5) self.assertListEqual([60, 0, 0, 0, 0], list(events)) self.assertEqual(9, events.start_step) self.assertEqual(14, events.end_step) self.assertListEqual([9, 10, 11, 12, 13], events.steps) events = events_lib.SimpleEventSequence( pad_event=0, events=[60], start_step=9) events.set_length(5, from_left=True) self.assertListEqual([0, 0, 0, 0, 60], list(events)) self.assertEqual(5, events.start_step) self.assertEqual(10, events.end_step) self.assertListEqual([5, 6, 7, 8, 9], events.steps) events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0]) events.set_length(3) self.assertListEqual([60, 0, 0], list(events)) self.assertEqual(0, events.start_step) self.assertEqual(3, events.end_step) self.assertListEqual([0, 1, 2], events.steps) events = events_lib.SimpleEventSequence(pad_event=0, events=[60, 0, 0, 0]) events.set_length(3, from_left=True) self.assertListEqual([0, 0, 0], list(events)) self.assertEqual(1, events.start_step) self.assertEqual(4, events.end_step) self.assertListEqual([1, 2, 3], events.steps)