def test_taps_are_added_to_tab(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 8)
notes = [
Note(order=0,
position=position,
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(2, 4),
slur=TAP),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :8 5/6 t:8: 5/6 =:|')
self.assertEqual(expected, vextab)
def test_half_notes_have_a_h_duration(self):
position = FretPosition(string=6, fret=5)
duration = Beat(2, 4)
notes = [
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(2, 4)),
Note(order=2,
position=position,
duration=duration,
elapsed_beats=Beat(4, 4)),
Note(order=3,
position=position,
duration=duration,
elapsed_beats=Beat(6, 4)),
Note(order=4,
position=position,
duration=duration,
elapsed_beats=Beat(8, 4)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :h 5/6 :h 5/6 | :h 5/6 :h 5/6 =:|')
self.assertEqual(expected, vextab)
def test_chords_can_have_bends(self):
duration = Beat(1, 4)
notes = [
Note(order=0,
position=FretPosition(12, 5),
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=0,
position=FretPosition(12, 4),
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=1,
position=FretPosition(14, 5),
duration=duration,
elapsed_beats=Beat(2, 4),
slur=BEND),
Note(order=1,
position=FretPosition(14, 4),
duration=duration,
elapsed_beats=Beat(2, 4),
slur=BEND),
]
shapes = [GuitarShape(name='shape1', positions=[], category='scale')]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :q (12/5.12/4) :q b(14/5.14/4) =:|')
self.assertEqual(expected, vextab)
def test_tab_bars_are_added_every_four_beats(self):
positions = [
FretPosition(string=3, fret=1),
FretPosition(string=4, fret=2),
FretPosition(string=5, fret=3),
]
notes = [
Note(order=0,
position=positions[0],
duration=Beat(2, 4),
elapsed_beats=Beat(2, 4)),
Note(order=1,
position=positions[1],
duration=Beat(2, 4),
elapsed_beats=Beat(4, 4)),
Note(order=2,
position=positions[2],
duration=Beat(4, 4),
elapsed_beats=Beat(2, 1)),
]
shapes = [
GuitarShape(name='shape1', positions=positions, category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :h 1/3 :h 2/4 | :w 3/5 =:|')
self.assertEqual(expected, vextab)
def test_can_palm_mute_and_down_pick_on_tabs(self):
duration = Beat(1, 4)
notes = [
Note(order=0,
position=FretPosition(12, 5),
duration=duration,
elapsed_beats=Beat(1, 4),
annotations=[DOWN_PICK, PALM_MUTE]),
Note(order=1,
position=FretPosition(14, 5),
duration=duration,
elapsed_beats=Beat(2, 4),
annotations=[DOWN_PICK, PALM_MUTE]),
]
shapes = [GuitarShape(name='shape1', positions=[], category='scale')]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = (
'tabstave notation=false\n'
'notes =|: :q 12/5 $.am/top.$ $.top.pm$ :q 14/5 $.am/top.$ $.top.pm$ =:|'
)
self.assertEqual(expected, vextab)
def test_rests_are_added_to_the_tab(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 4)
rest = Beat(1, 4, rest=True)
notes = [
Note(order=0,
position=position,
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=1,
position=position,
duration=rest,
elapsed_beats=Beat(2, 4)),
Note(order=2,
position=position,
duration=duration,
elapsed_beats=Beat(3, 4)),
Note(order=3,
position=position,
duration=rest,
elapsed_beats=Beat(4, 4)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :q 5/6 :q ## :q 5/6 :q ## =:|')
self.assertEqual(expected, vextab)
def test_palm_mutes_are_added_to_tab_as_text(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 8)
notes = [
Note(order=0,
position=position,
duration=duration,
elapsed_beats=Beat(1, 4),
annotations=[PALM_MUTE]),
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(2, 4),
annotations=[PALM_MUTE]),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :8 5/6 $.top.pm$ :8 5/6 $.top.pm$ =:|')
self.assertEqual(expected, vextab)
def test_thirty_second_notes_have_a_32_duration(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 32)
notes = [
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(1, 32)),
Note(order=2,
position=position,
duration=duration,
elapsed_beats=Beat(2, 32)),
Note(order=3,
position=position,
duration=duration,
elapsed_beats=Beat(3, 32)),
Note(order=4,
position=position,
duration=duration,
elapsed_beats=Beat(4, 32)),
Note(order=5,
position=position,
duration=duration,
elapsed_beats=Beat(5, 32)),
Note(order=6,
position=position,
duration=duration,
elapsed_beats=Beat(6, 32)),
Note(order=7,
position=position,
duration=duration,
elapsed_beats=Beat(7, 32)),
Note(order=8,
position=position,
duration=duration,
elapsed_beats=Beat(8, 32)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = (
'tabstave notation=false\n'
'notes =|: :32 5/6 :32 5/6 :32 5/6 :32 5/6 :32 5/6 :32 5/6 :32 5/6 :32 5/6 =:|'
)
self.assertEqual(expected, vextab)
def test_chords_are_converted_to_tab(self):
position = FretPosition(string=6, fret=0)
duration = Beat(1, 4)
notes = [
Note(order=0,
position=FretPosition(3, 6),
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=0,
position=FretPosition(5, 5),
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=0,
position=FretPosition(5, 4),
duration=duration,
elapsed_beats=Beat(1, 4)),
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(2, 4)),
Note(order=2,
position=FretPosition(5, 6),
duration=duration,
elapsed_beats=Beat(3, 4)),
Note(order=2,
position=FretPosition(7, 5),
duration=duration,
elapsed_beats=Beat(3, 4)),
Note(order=2,
position=FretPosition(7, 4),
duration=duration,
elapsed_beats=Beat(3, 4)),
Note(order=4,
position=position,
duration=duration,
elapsed_beats=Beat(4, 4)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = (
'tabstave notation=false\n'
'notes =|: :q (3/6.5/5.5/4) :q 0/6 :q (5/6.7/5.7/4) :q 0/6 =:|')
self.assertEqual(expected, vextab)
def test_thirty_second_note_triplets_are_marked_in_the_tab(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 48)
notes = [
Note(order=1,
position=position,
duration=duration,
elapsed_beats=Beat(1, 48)),
Note(order=2,
position=position,
duration=duration,
elapsed_beats=Beat(2, 48)),
Note(order=3,
position=position,
duration=duration,
elapsed_beats=Beat(3, 48)),
Note(order=4,
position=position,
duration=duration,
elapsed_beats=Beat(4, 48)),
Note(order=5,
position=position,
duration=duration,
elapsed_beats=Beat(5, 48)),
Note(order=6,
position=position,
duration=duration,
elapsed_beats=Beat(6, 48)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = (
'tabstave notation=true\n'
'notes =|: :32 5/6 :32 5/6 :32 5/6 ^3^ :32 5/6 :32 5/6 :32 5/6 ^3^ =:|'
)
self.assertEqual(expected, vextab)
def test_tabs_are_split_into_mutliple_staves_every_two_bars(self):
position = FretPosition(string=3, fret=1)
notes = [
Note(order=0,
position=position,
duration=Beat(1, 1),
elapsed_beats=Beat(1, 1)),
Note(order=1,
position=position,
duration=Beat(1, 1),
elapsed_beats=Beat(2, 1)),
Note(order=2,
position=position,
duration=Beat(1, 1),
elapsed_beats=Beat(3, 1)),
Note(order=3,
position=position,
duration=Beat(1, 1),
elapsed_beats=Beat(4, 1)),
Note(order=4,
position=position,
duration=Beat(1, 1),
elapsed_beats=Beat(5, 1)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :w 1/3 | :w 1/3 |\n'
'\n'
'tabstave notation=false\n'
'notes :w 1/3 | :w 1/3 |\n'
'\n'
'tabstave notation=false\n'
'notes :w 1/3 =:|')
self.assertEqual(expected, vextab)
def test_odd_length_quarter_notes_are_split_with_tie(self):
position = FretPosition(string=6, fret=5)
duration = Beat(3, 4)
notes = [
Note(order=0,
position=position,
duration=duration,
elapsed_beats=Beat(3, 4)),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :h 5/6 T:q: 5/6 =:|')
self.assertEqual(expected, vextab)
def test_odd_length_quarter_note_chords_are_split_with_tie(self):
duration = Beat(3, 8)
notes = [
Note(order=0,
position=FretPosition(12, 5),
duration=duration,
elapsed_beats=Beat(3, 8)),
Note(order=0,
position=FretPosition(12, 4),
duration=duration,
elapsed_beats=Beat(3, 8)),
]
shapes = [GuitarShape(name='shape1', positions=[], category='scale')]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :q (12/5.12/4) :8 T(12/5.12/4) =:|')
self.assertEqual(expected, vextab)
def test_label_annotations_are_added(self):
position = FretPosition(string=6, fret=5)
duration = Beat(1, 8)
notes = [
Note(order=0,
position=position,
duration=duration,
elapsed_beats=Beat(1, 4),
annotations=['label:A']),
]
shapes = [
GuitarShape(name='shape1', positions=[position], category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :8 5/6 $.top.A$ =:|')
self.assertEqual(expected, vextab)
async def exercise_view(request: web.Request) -> Dict[str, Any]:
exercise_id = request.match_info['exercise_id']
variation = request.match_info['variation']
exercise = get_exercise(exercise_id, variation)
diagrams = fretboard_diagrams(exercise)
diagram_labels = []
if exercise.shape_labels:
diagram_labels = [shape.name for shape in exercise.shapes]
diagrams = [{
'shape': shape,
'label': label
} for shape, label in zip_longest(diagrams, diagram_labels)]
context = {
'tab': to_vextab(exercise),
'diagrams': diagrams,
}
return context
def test_positions_are_converted_to_string(self):
positions = [
FretPosition(string=3, fret=1),
FretPosition(string=4, fret=2),
FretPosition(string=5, fret=3),
FretPosition(string=6, fret=4),
]
duration = Beat(1)
notes = [
Note(order=0,
position=positions[0],
duration=duration,
elapsed_beats=Beat(1)),
Note(order=1,
position=positions[1],
duration=duration,
elapsed_beats=Beat(2)),
Note(order=2,
position=positions[2],
duration=duration,
elapsed_beats=Beat(3)),
Note(order=3,
position=positions[3],
duration=duration,
elapsed_beats=Beat(4)),
]
shapes = [
GuitarShape(name='shape1', positions=positions, category='scale')
]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :q 1/3 :q 2/4 :q 3/5 :q 4/6 =:|')
self.assertEqual(expected, vextab)
def test_up_pick_is_added_to_tabs(self):
duration = Beat(1, 4)
notes = [
Note(order=0,
position=FretPosition(12, 5),
duration=duration,
elapsed_beats=Beat(1, 4),
annotations=[UP_PICK]),
Note(order=1,
position=FretPosition(14, 5),
duration=duration,
elapsed_beats=Beat(2, 4),
annotations=[UP_PICK]),
]
shapes = [GuitarShape(name='shape1', positions=[], category='scale')]
sequence = Sequence(notes=notes, shapes=shapes)
vextab = to_vextab(sequence)
expected = ('tabstave notation=false\n'
'notes =|: :q 12/5 $.a|/top.$ :q 14/5 $.a|/top.$ =:|')
self.assertEqual(expected, vextab)
