Toggle Solos

tests/test_catalog_database.py

@@ -145,3 +145,28 @@ class CatalogTests(unittest.TestCase):
       self.assertFalse(connection.in_transaction)
       self.assertEqual(connection.execute("SELECT name FROM sqlite_schema").fetchall(), [])
       self.assertEqual(connection.execute('PRAGMA application_id').fetchone()[0], 0)
+
+  def test_solo_variant_metadata_and_required_pairs(self):
+    for enabled in (True, False):
+      document = bundle(part='Acoustic')
+      document['music']['metadata'].update(song_id='tune', solos_enabled=enabled)
+      document['music']['staves'][0]['arranged'] = True
+      write_score(self.root, 'songs/tune_acoustic' + ('' if enabled else '_improv') + '.json', document)
+    generator.catalog.build_catalog(self.root)
+    self.assertEqual([row['solos_enabled'] for row in self.rows('songs')], [1, 0])
+    saved = (self.root / 'catalog.db').read_bytes()
+    alternate = self.root / 'songs/tune_acoustic_improv.json'
+    document = json.loads(alternate.read_text())
+    for value in ('false', 0, None):
+      document['music']['metadata']['solos_enabled'] = value
+      alternate.write_text(json.dumps(document))
+      with self.assertRaisesRegex(ValueError, 'boolean'):
+        generator.catalog.build_catalog(self.root)
+    document['music']['metadata']['solos_enabled'] = True
+    alternate.write_text(json.dumps(document))
+    with self.assertRaisesRegex(ValueError, 'solo variants'):
+      generator.catalog.build_catalog(self.root)
+    alternate.unlink()
+    with self.assertRaisesRegex(ValueError, 'solo variants'):
+      generator.catalog.build_catalog(self.root)
+    self.assertEqual((self.root / 'catalog.db').read_bytes(), saved)