Fret Limit

tests/test_voicing.py

@@ -101,17 +101,14 @@ class VoicingTests(unittest.TestCase):
     crossing = grip((12, 13, 14, 14))
     self.assertEqual(generator.guitar.voicing_cost(crossing).effort, 6)
     self.assertEqual(generator.guitar.voicing_cost(crossing, 'electric').effort, 10)
-  def test_high_melody_keeps_its_exact_pitch_when_no_anchored_chord_fits(self):
+  def test_high_melody_fails_when_neither_anchored_chord_nor_single_note_fits(self):
     document = tests.test_musicxml.parse(tests.test_musicxml.xml_score(tests.test_musicxml.xml_note('C', octave=6)))
     note = tests.test_musicxml.notes(document)[0]
     note.update(_harmony=generator.harmony.parse_symbol('CM'), _guitar_profile='electric', _harmonize=True)
-    before = copy.deepcopy(note['pitches'])
-    with self.assertLogs('generator.guitar', level='WARNING') as messages:
+    before = copy.deepcopy(document)
+    with self.assertRaisesRegex(ValueError, 'single notes need frets 1-12'):
       generator.guitar.place_guitar(document)
-    self.assertIn('1 melody harmonizations kept as single notes', messages.output[0])
-    self.assertEqual([{k: v for k, v in p.items() if k != 'tablature'} for p in note['pitches']], before)
-    self.assertEqual(note['pitches'][0]['tablature'], {'string': 1, 'fret': 20})
-    generator.model.validate_document(document)
+    self.assertEqual(document, before)
   def test_shape_and_movement_share_one_effort_cost(self):
     shape = grip((1, 2, 3, 3))
     self.assertEqual(generator.guitar.voicing_cost(shape).effort, 2)