def test_locate_frets_for_semitone_on_standard_guitar(self):
instance = guitar.STANDARD_TUNING
semitone = Semitone.from_string('G')
expected_result = ((3, 15), (10, 22), (5, 17), (0, 12), (8, 20), (3,
15))
result = instance.locate_frets_for_semitone(semitone)
self.assertEquals(result, expected_result)
def test_locate_frets_for_semitone_on_string_should_work_for_open_note(
self):
instance = guitar.STANDARD_TUNING
semitone = Semitone.from_string('E')
expected_result = (0, 12)
result = instance.locate_frets_for_semitone_on_string(0, semitone)
self.assertEquals(result, expected_result)
def test_locate_should_generate_open_d_major_chord(self):
instance = ChordLocator(guitar.STANDARD_TUNING)
semitone = Semitone.from_string('D')
open_chord = (None, None, 0, 2, 3, 2)
result = instance.locate(semitone, 'major')
self.assertIn(open_chord, result)
def convert_to_semitones(scenario):
root = Semitone.from_string(scenario[0])
scale_type = scenario[1]
expected_scale = tuple(map(Semitone.from_string, scenario[2]))
return (root, scale_type, expected_scale)
def test_from_string_with_sharps_and_flats_should_create_correct_semitone(self):
expected_semitone = Semitone('D',flats=2,sharps=1)
result = Semitone.from_string('D#bb')
self.assertSame(result,expected_semitone)
def test_from_string_with_sharp_should_create_correct_semitone(self):
expected_semitone = Semitone('D',sharps=2)
result = Semitone.from_string('D##')
self.assertSame(result,expected_semitone)
def test_from_string_with_natural_should_create_correct_semiton(self):
expected_semitone = Semitone('D')
result = Semitone.from_string('D')
self.assertSame(result,expected_semitone)
