def test_sharpen_should_sharpen_sharp(self):
expected_semitone = Semitone('D',sharps=2)
instance = Semitone('D',sharps=1)
result = instance.sharpen()
self.assertSame(result,expected_semitone)
def test_normailze_should_normalize_irregular_flat_semitones(self):
expected_semitone = Semitone('E')
instance = Semitone('F',flats=1)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_normailze_should_normalize_irregular_sharp_semitones(self):
expected_semitone = Semitone('C')
instance = Semitone('B',sharps=1)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_normailze_should_normalize_when_both_flats_and_sharps_are_nonzero(self):
expected_semitone = Semitone('D',sharps=1)
instance = Semitone('D',flats=1,sharps=2)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_normailze_should_normalize_when_more_than_one_sharp(self):
expected_semitone = Semitone('E')
instance = Semitone('D',sharps=2)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_flatten_should_neutralize_sharp(self):
expected_semitone = Semitone('D')
instance = Semitone('D',sharps=1)
result = instance.flatten()
self.assertSame(result,expected_semitone)
def test_normailze_should_reduce_flats_when_more_than_12(self):
expected_semitone = Semitone('D', flats=1)
instance = Semitone('D',flats=13)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_normailze_should_do_nothing_to_normalized_flat_semitone(self):
expected_semitone = Semitone('D',flats=1)
instance = Semitone('D',flats=1)
result = instance.normalize()
self.assertSame(result,expected_semitone)
def test_flatten_should_flatten_flat(self):
expected_semitone = Semitone('D',flats=2)
instance = Semitone('D',flats=1)
result = instance.flatten()
self.assertSame(result,expected_semitone)
def test_as_note_with_same_note_should_do_nothing(self):
expected_semitone = Semitone('D')
instance = Semitone('D')
result = instance.as_note('D')
self.assertSame(result,expected_semitone)
def test_constructor_with_lowercase_note_should_work(self):
instance = Semitone('d',sharps=1,flats=2)
self.assertIsNotNone(instance)
self.assertEqual(instance.note,'D')
self.assertEqual(instance.sharps,1)
self.assertEqual(instance.flats,2)
def test_str_should_display_not_normalize_display(self):
expected_str= 'D##bb'
instance = Semitone('D',sharps=2,flats=2)
result = str(instance)
self.assertEqual(result,expected_str)
def test_str_should_display_double_flats_correctly(self):
expected_str= 'Dbb'
instance = Semitone('D',flats=2)
result = str(instance)
self.assertEqual(result,expected_str)
def test_str_should_display_sharps_correctly(self):
expected_str= 'D#'
instance = Semitone('D',sharps=1)
result = str(instance)
self.assertEqual(result,expected_str)
def test_str_should_display_naturals_correctly(self):
expected_str= 'D'
instance = Semitone('D')
result = str(instance)
self.assertEqual(result,expected_str)
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_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 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 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_equals_should_return_false_with_different_note(self):
instance = Semitone('D')
not_equal_semitone = Semitone('E')
self.assertNotEqual(instance,not_equal_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)
def test_equals_should_return_true_with_unnormalized_form_of_semitone(self):
instance = Semitone('D')
equal_semitone = Semitone('D',flats=1,sharps=1)
self.assertEqual(instance,equal_semitone)
def test_equals_should_return_true_with_different_form_of_same_semitone(self):
instance = Semitone('D')
equal_semitone = Semitone('E',flats=2)
self.assertEqual(instance,equal_semitone)
def test_equals_should_return_true_with_same_instanace(self):
instance = Semitone('D')
self.assertEqual(instance,instance)
def test_equals_should_return_true_with_same_property_values(self):
instance = Semitone('D')
equal_semitone = Semitone('D')
self.assertEqual(instance,equal_semitone)
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_constructor_should_default_sharps_to_zero(self):
instance = Semitone('D')
self.assertEqual(instance.sharps,0)
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_is_sharp_should_return_false_when_more_flats_than_sharps(self):
instance = Semitone('D', flats = 1)
self.assertFalse(instance.is_sharp)
def test_is_sharp_should_return_false_when_equal_number_of_flats_and_sharps(self):
instance = Semitone('D', sharps=1, flats=1)
self.assertFalse(instance.is_sharp)
