def test_non_stepwise_motion_from(self):
"""
Non-stepwise motion from preceeding note.
"""
melody = [8, 6, 5]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
def test_descending(self):
"""
Descending stepwise movement.
"""
melody = [7, 6, 5]
position = 1
self.assertTrue(is_stepwise_motion(melody, position))
def test_non_uniform_motion_up_down(self):
"""
Stepwise motion but ascending then descending.
"""
melody = [5, 6, 5]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
def test_non_stepwise_motion_to(self):
"""
Non-stepwise motion to the following note.
"""
melody = [5, 6, 8]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
def test_ascending(self):
"""
Ascending stepwise movement.
"""
melody = [5, 6, 7]
position = 1
self.assertTrue(is_stepwise_motion(melody, position))
def test_non_stepwise_motion_from(self):
"""
Non-stepwise motion from preceeding note.
"""
melody = [8, 6, 5]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
def test_non_uniform_motion_up_down(self):
"""
Stepwise motion but ascending then descending.
"""
melody = [5, 6, 5]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
def test_descending(self):
"""
Descending stepwise movement.
"""
melody = [7, 6, 5]
position = 1
self.assertTrue(is_stepwise_motion(melody, position))
def test_ascending(self):
"""
Ascending stepwise movement.
"""
melody = [5, 6, 7]
position = 1
self.assertTrue(is_stepwise_motion(melody, position))
def test_non_stepwise_motion_to(self):
"""
Non-stepwise motion to the following note.
"""
melody = [5, 6, 8]
position = 1
self.assertFalse(is_stepwise_motion(melody, position))
