def test_inversions(self):
# non-standard notation but I wanted a somewhat clean-ish way to describe inversions
r = roman("C4 major")
assert r.do("I'") == chord(["E4", "G4", "C5"])
assert r.do("I''") == chord(["G4", "C5", "E5"])
assert r.do("I':power") == chord(["G4", "C5"])
def test_inversions(self):
# non-standard notation but I wanted a somewhat clean-ish way to describe inversions
r = roman("C4 major")
assert r.do("I'") == chord(["E4","G4","C5"])
assert r.do("I''") == chord(["G4","C5","E5"])
assert r.do("I':power") == chord(["G4","C5"])
def _scale_test(self, expression=None, expected=None, length=None):
if isinstance(expected, str):
expected = expected.split()
assert length is not None
scale1 = scale(expression)
results = [note for note in scale1.generate(length=length)]
print("generating: %s for %s" % (expression, length))
assert chord(results) == chord(expected)
def _scale_test(self, expression=None, expected=None, length=None):
if isinstance(expected, str):
expected = expected.split()
assert length is not None
scale1 = scale(expression)
results = [note for note in scale1.generate(length=length)]
print("generating: %s for %s" % (expression, length))
assert chord(results) == chord(expected)
def test_chord_types_and_shortcuts(self):
assert Chord(root=note('C4'), typ='major') == chord(['C4', 'E4', 'G4'])
assert Chord(root=note('C4'), typ='minor') == chord(['C4', 'Eb4', 'G4'])
assert chord('C4 major') == chord(['C4', 'E4', 'G4'])
assert chord('C major') == chord(['C4', 'E4', 'G4'])
assert chord('C aug') == chord(['C4', 'E', 'Ab4'])
assert chord('C dim') == chord(['C4', 'Eb4', 'Gb4'])
def test_c_major(self):
scale1 = scale("C4 major")
results = []
for n in scale1.generate(length=10):
results.append(n)
# using chords here is kind of silly but it's a useful test function
# naturally you wouldn't play it this way
assert chord(results) == chord(["C4", "D4", "E4", "F4", "G4", "A4", "B4", "C5", "D5", "E5"])
def test_c_major(self):
scale1 = scale('C4 major')
results = []
for note in scale1.generate(length=10):
results.append(note)
# using chords here is kind of silly but it's a useful test function
# naturally you wouldn't play it this way
assert chord(results) == chord(['C4', 'D4', 'E4', 'F4', 'G4', 'A4', 'B4', 'C5', 'D5', 'E5'])
def test_c_major(self):
scale1 = scale('C4 major')
results = []
for n in scale1.generate(length=10):
results.append(n)
# using chords here is kind of silly but it's a useful test function
# naturally you wouldn't play it this way
assert chord(results) == chord(
['C4', 'D4', 'E4', 'F4', 'G4', 'A4', 'B4', 'C5', 'D5', 'E5'])
def test_basics(self):
r = Roman(scale=scale("C4 major"))
assert r.do("1") == note("C4")
assert r.do("3") == note("E4")
assert r.do("4") == note("F4")
assert r.do("IV") == chord("F4 major")
assert r.do("iv") == chord("F4 minor")
# somewhat non-standard notation but allows describing other chord types (see chord.py)
assert r.do("I:power") == chord(["C4", "G4"])
def test_basics(self):
r = Roman(scale=scale("C4 major"))
assert r.do("1") == note("C4")
assert r.do("3") == note("E4")
assert r.do("4") == note("F4")
assert r.do("IV") == chord("F4 major")
assert r.do("iv") == chord("F4 minor")
# somewhat non-standard notation but allows describing other chord types (see chord.py)
assert r.do("I:power") == chord(["C4", "G4"])
def do(self, sym):
"""
Accepts symbols like C4-major or C4,E4,G4
or note symbols like 'C4'
"""
# The dash is a bit of a notation hack, it's there because "C4 major"
# would look like two symbols, so we need to have no whitespace
# between them
if '-' in sym:
return chord(sym.replace("-"," "))
elif "," in sym:
return chord(sym.split(","))
else:
return note(sym)
def test_basics(self):
notes = [ note('C4'), note('E4'), note('G4')]
chord1 = Chord(notes=notes)
assert chord1.notes[0] == note('C4')
assert chord1.notes[1] == note('E4')
assert chord1.notes[2] == note('G4')
assert str(chord1) == 'Chord<C4,E4,G4>'
chord2 = chord(['G4','C4','E4'])
assert str(chord2) == 'Chord<C4,E4,G4>'
assert chord1 == chord2
assert chord(['C4','E4','G4']) != chord(['C4'])
assert chord(['C4','E4','G4']) != chord(['C4', 'E4', 'G4', 'C5'])
def do(self, sym):
"""
Accepts symbols like C4-major or C4,E4,G4
or note symbols like 'C4'
"""
# The dash is a bit of a notation hack, it's there because "C4 major"
# would look like two symbols, so we need to have no whitespace
# between them
if sym is None or sym == '-':
# REST:
return chord([])
if '-' in sym:
return chord(sym.replace("-", " "))
elif "," in sym:
return chord(sym.split(","))
else:
return note(sym)
def test_basics(self):
l = Literal()
assert l.do("C4") == note("C4")
assert l.do("C4-major") == chord("C4 major")
assert l.do("C4,E4,G4") == chord("C4 major")
def test_transpose(self):
chord1 = chord(['G4','C4','E4'])
assert chord1.transpose(steps=0.5) == chord(['Db4', 'F4', 'Ab4'])
assert chord1.transpose(octaves=2) == chord(['C6', 'E6', 'G6'])
def test_shortcuts(self):
r = roman("C4 major")
assert r.do("IV") == chord("F4 major")
def test_inversions(self):
assert chord("C4 major").invert() == chord(["E4","G4","C5"])
assert chord("C4 major").invert(amount=2) == chord(["G4","C5","E5"])
def test_basics(self):
l = Literal()
assert l.do("C4") == note("C4")
assert l.do("C4-major") == chord("C4 major")
assert l.do("C4,E4,G4") == chord("C4 major")
def test_shortcuts(self):
r = roman("C4 major")
assert r.do("IV") == chord("F4 major")
