khodowany
198 lines
12 KiB
Python
198 lines
12 KiB
Python
"""Dependency and music contracts use synthetic sources, never audition scores."""
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import concurrent.futures
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import copy
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import contextlib
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import dataclasses
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import json
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import multiprocessing
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import pathlib
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import tempfile
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import unittest
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import fractions
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import unittest.mock
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import generator.production
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import generator.model
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import generator.vocabulary
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import generator.solo.expressions
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import generator.solo.types
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import generator.solo.harmonic
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import generator.solo.placement
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import generator.solo.notation
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import generator.solo.composer
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import tests.solo_fixtures
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import tests.solo_fixtures
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import tests.solo_fixtures
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def music(result):
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return result['document']
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class IndependentRoles(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.source = generator.production.SourceAnalysis.read(tests.solo_fixtures.song(count=1, chords=('CM7',)))
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cls.root = pathlib.Path('data').resolve()
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def test_alone_order_parallel_and_assembly(self):
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serial = {role: generator.production.generate_role(self.source, role, self.root) for role in generator.production.ROLES}
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with concurrent.futures.ProcessPoolExecutor(max_workers=2, mp_context=multiprocessing.get_context('spawn')) as pool:
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jobs = {role: pool.submit(generator.production._job, (self.source, role, self.root, {}, None)) for role in reversed(generator.production.ROLES)}
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parallel = {role: future.result() for role, future in jobs.items()}
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for role in generator.production.ROLES:
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self.assertEqual(music(serial[role]), music(parallel[role]), role)
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for doc in generator.production.assemble(self.source, serial).values():
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generator.model.validate_document(doc)
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def test_role_setting_and_cache_are_independent(self):
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with tempfile.TemporaryDirectory() as directory:
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a = generator.production.generate_role(self.source, 'acoustic_solo', self.root, cache_dir=directory)
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b = generator.production.generate_role(self.source, 'electric_solo', self.root, {'seed': 'changed'}, directory)
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again = generator.production.generate_role(self.source, 'acoustic_solo', self.root, cache_dir=directory)
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clean = generator.production.generate_role(self.source, 'acoustic_solo', self.root)
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self.assertTrue(again['cache_hit'])
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self.assertEqual(music(a), music(again))
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self.assertEqual(music(a), music(clean))
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self.assertEqual(json.dumps(music(a)), json.dumps(music(again)))
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self.assertNotEqual(a['trace']['cache_key'], b['trace']['cache_key'])
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def test_optional_inputs_cannot_be_opened_by_composition(self):
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original = pathlib.Path.open
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def guarded(path, *args, **kwargs):
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self.assertNotIn('audition', str(path))
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self.assertNotIn('reference', str(path))
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self.assertNotIn('generated_assets', str(path))
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return original(path, *args, **kwargs)
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with unittest.mock.patch.object(pathlib.Path, 'open', guarded):
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result = generator.production.generate_role(self.source, 'acoustic_solo', self.root)
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self.assertNotIn('reference', json.dumps(result['trace']))
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def test_titles_and_export_ids_do_not_supply_musical_identity(self):
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document = tests.solo_fixtures.song(count=1, chords=('CM7',))
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other = copy.deepcopy(document)
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other['metadata'].update(title='A completely different title', composer='Different')
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for m in other['staves'][0]['measures']:
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m['id'] = 'exporter_123'
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m['number'] = '99'
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self.assertEqual(generator.production.SourceAnalysis.read(document), generator.production.SourceAnalysis.read(other))
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def test_reference_presence_and_changes_do_not_change_clean_music(self):
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# No repository reference is a fixture or prerequisite. These deliberately
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# invalid optional files test the absence of a discovery/fallback branch.
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with tempfile.TemporaryDirectory() as directory, contextlib.chdir(directory):
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reference_dir = pathlib.Path(directory) / 'build'
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reference_dir.mkdir()
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references = [reference_dir / (source_name + '-solo-' + str(index) + suffix + '.xml')
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for source_name in ('all-of-me', 'autumn-leaves') for index in (1, 2) for suffix in ('', '(4)')]
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before = generator.production.generate_role(self.source, 'electric_solo', self.root)
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for reference in references:
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reference.write_text('<not-a-production-source/>')
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present = generator.production.generate_role(self.source, 'electric_solo', self.root)
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for reference in references:
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reference.write_text('changed optional target, still not MusicXML')
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changed = generator.production.generate_role(self.source, 'electric_solo', self.root)
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for reference in references:
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reference.unlink()
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absent = generator.production.generate_role(self.source, 'electric_solo', self.root)
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self.assertTrue(all(music(before) == music(v) for v in (present, changed, absent)))
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def test_original_melody_changes_the_theme_with_unchanged_harmony(self):
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source = tests.solo_fixtures.song(count=4, chords=('CM7',))
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changed = copy.deepcopy(source)
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for m in changed['staves'][0]['measures']:
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for v in m['voices']:
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for n in v['notes']:
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for p in n['pitches']:
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p['letter'] = {'c': 'e', 'd': 'f', 'e': 'g', 'f': 'a'}[p['letter']]
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a = generator.production.generate_role(generator.production.SourceAnalysis.read(source), 'acoustic_solo', self.root)
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b = generator.production.generate_role(generator.production.SourceAnalysis.read(changed), 'acoustic_solo', self.root)
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self.assertNotEqual(a['details']['phrases'][0]['notes'], b['details']['phrases'][0]['notes'])
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def test_source_tuplet_lanes_survive_assembly(self):
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serial = {r: generator.production.generate_role(self.source, r, self.root) for r in generator.production.ROLES}
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# Exercise a different original lane name, as in the imported Autumn head.
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doc = serial['electric_melody']['document']
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staff = doc['staves'][0]
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raw = tuple(tests.solo_fixtures.note(fractions.Fraction(i, 3), fractions.Fraction(i + 1, 3), 'c', event_id=str(i)) for i in range(3))
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placed = generator.solo.placement.place(raw, fractions.Fraction(120))[1]
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index = next(i for i, m in enumerate(staff['measures']) if m.get('section_label') == 'Guitar Melody')
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replacement = generator.solo.notation.measures(staff['measures'][index:index + 1], placed, 'source_triplet')
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generator.solo.notation.replace_region(doc, index, replacement)
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for m in staff['measures']:
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for v in m['voices']:
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v['id'] = 'voice_source'
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for n in v['notes']:
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n['voice'] = 'voice_source'
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for t in staff['tuplets']:
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t['voice'] = 'voice_source'
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generator.model.validate_document(doc)
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generator.model.validate_document(generator.production.assemble(self.source, serial)['electric'])
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def test_sparse_parts_reuse_the_canonical_form(self):
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result = generator.production.generate_role(generator.production.SourceAnalysis.read(tests.solo_fixtures.song(count=4, chords=('Dm7', 'G7', 'CM7'))), 'acoustic_accompaniment', self.root)
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measures = result['document']['staves'][0]['measures']
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def signature(m):
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return [(n['onset'], n['duration'], [(generator.model.pitch_number(p), p['tablature']) for p in n['pitches']]) for v in m['voices'] for n in v['notes']]
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self.assertEqual([signature(m) for m in measures[4:8]], [signature(m) for m in measures[8:12]])
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self.assertTrue(all(len(n['pitches']) in (0, 1, 3, 4) for m in measures for v in m['voices'] for n in v['notes']))
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class TypedExpressionContracts(unittest.TestCase):
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def setUp(self):
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self.h = generator.solo.harmonic.Harmony(tests.solo_fixtures.choices(('C7', 'FM7')))
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def make(self, rule='upper_lower'):
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target = tests.solo_fixtures.note(2, 4, 'e', event_id='target')
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upper = tests.solo_fixtures.note(1, fractions.Fraction(3, 2), 'f', event_id='upper')
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lower = dataclasses.replace(tests.solo_fixtures.note(fractions.Fraction(3, 2), 2, 'd', event_id='lower'), pitch=generator.solo.types.Pitch('d', fractions.Fraction(1), 4))
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c = generator.solo.types.ExpressionContract('gesture', 'enclosure', rule, (upper, lower), target, 'C7')
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return (upper, lower, target), c
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def test_complete_enclosure_and_orphans(self):
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notes, c = self.make()
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self.assertTrue(self.h.evaluate(notes, expressions=(c,)).valid)
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self.assertTrue(self.h.evaluate(notes).valid)
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self.assertFalse(self.h.evaluate(notes, infer=False).valid)
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self.assertFalse(self.h.evaluate(notes[:-1], expressions=(c,)).valid)
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changed = (*notes[:-1], dataclasses.replace(notes[-1], pitch=dataclasses.replace(notes[-1].pitch, octave=5)))
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self.assertFalse(self.h.evaluate(changed, expressions=(c,)).valid)
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def test_anticipation_validates_actual_future_harmony(self):
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n = tests.solo_fixtures.note(fractions.Fraction(7, 2), 6, 'a', event_id='early')
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c = generator.solo.types.ExpressionContract('anticipation', 'anticipation', 'early_chord_tone', (n,), n, 'FM7', boundary=fractions.Fraction(4))
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self.assertTrue(self.h.evaluate((n,), expressions=(c,)).valid)
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self.assertTrue(self.h.evaluate((n,)).valid)
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self.assertFalse(self.h.evaluate((n,), infer=False).valid)
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self.assertFalse(self.h.evaluate((n,), expressions=(dataclasses.replace(c, boundary=fractions.Fraction(3)),)).valid)
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def test_optional_color_is_not_a_written_chord_requirement(self):
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n = tests.solo_fixtures.note(0, 2, 'd', event_id='ninth')
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c = generator.solo.types.ExpressionContract('color', 'color', 'dominant_ninth', (n,), n, 'C7')
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self.assertTrue(self.h.evaluate((n,), expressions=(c,)).valid)
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self.assertTrue(self.h.evaluate((n,)).valid)
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self.assertFalse(self.h.evaluate((n,), infer=False).valid)
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self.assertNotIn(n.pitch.number() % 12, self.h.spans[0].roles.basic)
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self.assertNotIn(n.pitch.number() % 12, self.h.spans[0].roles.specified)
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def test_labels_do_not_authorize_unresolved_notes(self):
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n = dataclasses.replace(tests.solo_fixtures.note(0, 2, 'f', event_id='bad'), pitch=generator.solo.types.Pitch('f', fractions.Fraction(1), 4), role='color')
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self.assertFalse(self.h.evaluate((n,)).valid)
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c = generator.solo.types.ExpressionContract('bad', 'color', 'anything', (n,), n, 'C7')
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self.assertFalse(self.h.evaluate((n,), expressions=(c,)).valid)
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def test_delayed_approach_allows_only_the_declared_rest(self):
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lower = dataclasses.replace(tests.solo_fixtures.note(1, fractions.Fraction(3, 2), 'd', event_id='lower'), pitch=generator.solo.types.Pitch('d', fractions.Fraction(1), 4))
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target = tests.solo_fixtures.note(2, 4, 'e', event_id='target')
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c = generator.solo.types.ExpressionContract('delay', 'approach', 'delayed_below', (lower,), target, 'C7')
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self.assertTrue(self.h.evaluate((lower, target), expressions=(c,)).valid)
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wrong = dataclasses.replace(c, rule='below')
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self.assertFalse(self.h.evaluate((lower, target), expressions=(wrong,)).valid)
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def test_altered_dominant_color_requires_function_and_resolution(self):
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color = dataclasses.replace(tests.solo_fixtures.note(0, 1, 'd', event_id='color'), pitch=generator.solo.types.Pitch('d', fractions.Fraction(-1), 4))
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target = tests.solo_fixtures.note(1, 2, 'c', event_id='target')
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c = generator.solo.types.ExpressionContract('flat9', 'color', 'dominant_flat_ninth', (color,), target, 'C7')
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self.assertTrue(self.h.evaluate((color, target), expressions=(c,)).valid)
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unresolved = generator.solo.harmonic.Harmony(tests.solo_fixtures.choices(('C7', 'Dm7')))
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self.assertFalse(unresolved.evaluate((color, target), expressions=(c,)).valid)
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self.assertFalse(self.h.evaluate((color,), expressions=(c,)).valid)
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def test_mapped_semitone_needs_no_expression_exception(self):
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h = generator.solo.harmonic.Harmony(tests.solo_fixtures.choices(('A7', 'Dm7')))
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a = dataclasses.replace(tests.solo_fixtures.note(0, fractions.Fraction(1, 2), 'c', event_id='csharp'), pitch=generator.solo.types.Pitch('c', fractions.Fraction(1), 4))
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b = tests.solo_fixtures.note(fractions.Fraction(1, 2), 1, 'd', event_id='d')
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self.assertTrue(h.evaluate((a, b)).valid)
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def test_ties_and_barlines_do_not_restart_triplets(self):
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raw = tuple(tests.solo_fixtures.note(fractions.Fraction(7, 2) + fractions.Fraction(i, 3), fractions.Fraction(7, 2) + fractions.Fraction(i + 1, 3), 'c', event_id=str(i)) for i in range(3))
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placed = generator.solo.placement.place(raw, fractions.Fraction(120))[1]
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doc = tests.solo_fixtures.song(count=2, chords=('CM7',))
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measures = generator.solo.notation.measures(doc['staves'][0]['measures'], placed, 'triplet')
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spans = generator.solo.notation.tuplets(measures)
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self.assertEqual(len(spans), 1)
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self.assertTrue(any('tie_from' in p for m in measures for v in m['voices'] for n in v['notes'] for p in n['pitches']))
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if __name__ == '__main__':
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unittest.main()
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