def test_octave_arp_ascending(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28, 37, 38, 39, 40, 1, 2,
3, 4
])
arpeggio = []
octaveArp = OctaveArp(DescArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
4, 3, 2, 1, 16, 15, 14, 13, 28, 27, 26, 25, 40, 39, 38, 37, 4, 3,
2, 1
])
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], 1)
for i in range(12):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [1, 2, 3, 4, 13, 14, 15, 16, 1, 2, 3, 4])
def setUp(self):
self.arpeggio = arpeggio = [0, 2, 1, 3]
self.ascArp = AscArp(arpeggio)
self.descArp = DescArp(arpeggio)
self.ordArp = OrderedArp(arpeggio)
self.randArp = RandomArp(arpeggio)
class ArpTests(TestCase):
def setUp(self):
self.arpeggio = arpeggio = [0, 2, 1, 3]
self.ascArp = AscArp(arpeggio)
self.descArp = DescArp(arpeggio)
self.ordArp = OrderedArp(arpeggio)
self.randArp = RandomArp(arpeggio)
def test_ascArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 3, 0, 1, 2, 3])
def test_descArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 0, 3, 2, 1, 0])
def test_orderedArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.ordArp())
self.assertEquals(arpeggio, [0, 2, 1, 3, 0, 2, 1, 3])
def test_randomArp(self):
r = cycle([1, 2, 0, 0, 2, 0, 1, 0])
class myrandom:
@classmethod
def randint(cls, *blah):
return r.next()
self.patch(arp, 'random', myrandom)
arpeggio = []
for i in range(8):
arpeggio.append(self.randArp())
self.assertEquals(arpeggio, [2, 3, 0, 1, 0, 2, 1, 3])
def test_numeric_sorting(self):
"""
Test that numeric values are sorted correctly and
non-numeric values retain their position in the arpeggio.
"""
arpeggio = []
ascarp = AscArp([1, 3, N, 2])
for i in range(8):
arpeggio.append(ascarp())
self.assertEquals(arpeggio, [1, 2, None, 3, 1, 2, None, 3])
def test_resetting(self):
"""
Test various behaviors of resetting values on an arp midstream.
"""
arpeggio = []
for i in range(2):
arpeggio.append(self.ascArp())
self.ascArp.reset([5, 6, 7, 8])
for i in range(2):
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 7, 8])
arpeggio = []
self.ascArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.ascArp())
self.ascArp.reset([5, 6])
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 6])
arpeggio = []
self.ascArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.ascArp())
self.ascArp.reset([4, 5, 6, 7, 8, 9, 10, 11])
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 10])
arpeggio = []
for i in range(2):
arpeggio.append(self.descArp())
self.descArp.reset([5, 6, 7, 8])
for i in range(2):
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 6, 5])
arpeggio = []
self.descArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.descArp())
self.descArp.reset([5, 6])
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 5])
arpeggio = []
self.descArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.descArp())
self.descArp.reset([4, 5, 6, 7, 8, 9, 10, 11])
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 5])
def test_octave_arp_ascending(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[1, 2, 3, 4,
13, 14, 15, 16,
25, 26, 27, 28,
37, 38, 39, 40,
1, 2, 3, 4])
arpeggio = []
octaveArp = OctaveArp(DescArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[4, 3, 2, 1,
16, 15, 14, 13,
28, 27, 26, 25,
40, 39, 38, 37,
4, 3, 2, 1])
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], 1)
for i in range(12):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[1, 2, 3, 4, 13, 14, 15, 16, 1, 2, 3, 4])
def test_octave_arp_descending(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], direction=-1)
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[37, 38, 39, 40,
25, 26, 27, 28,
13, 14, 15, 16,
1, 2, 3, 4,
37, 38, 39, 40])
def test_octave_arp_with_0_octaves(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], 0)
for i in range(8):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[1, 2, 3, 4, 1, 2, 3, 4])
def test_octave_arp_oscillate(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], oscillate=True)
for i in range(36):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio,
[1, 2, 3, 4,
13, 14, 15, 16,
25, 26, 27, 28,
37, 38, 39, 40,
25, 26, 27, 28,
13, 14, 15, 16,
1, 2, 3, 4,
13, 14, 15, 16,
25, 26, 27, 28])
def test_adder(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4])
adder = Adder(octaveArp)
for i in range(16):
arpeggio.append(adder())
self.assertEquals(arpeggio,
[1, 2, 3, 4,
13, 14, 15, 16,
25, 26, 27, 28,
37, 38, 39, 40])
adder.amount = 2
arpeggio = []
for i in range(16):
arpeggio.append(adder())
self.assertEquals(arpeggio,
[v + 2 for v in
[1, 2, 3, 4,
13, 14, 15, 16,
25, 26, 27, 28,
37, 38, 39, 40]])
def test_empty_arps(self):
for klass in (AscArp, DescArp, OrderedArp):
a = klass([])
for i in range(4):
a()
def test_paradiddle_patterns(self):
notes = [1, 2]
single = SingleParadiddle(notes)
pattern = [single() for i in range(16)]
self.assertEquals(pattern,
[1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2])
double = DoubleParadiddle(notes)
pattern = [double() for i in range(24)]
self.assertEqual(pattern,
[1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2] * 2)
triple = TripleParadiddle(notes)
pattern = [triple() for i in range(32)]
self.assertEqual(pattern,
[1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2] * 2)
pdd = ParadiddleDiddle(notes)
pattern = [pdd() for i in range(24)]
self.assertEqual(pattern,
[1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2,
2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, 1])
def test_arp_map(self):
random.seed(0)
arpmap = ArpMap(lambda x: x * 2, OrderedArp([1, 2, 3]))
results = [arpmap() for i in range(6)]
self.assertEqual(results, [2, 4, 6, 2, 4, 6])
arpmap = ArpMap(lambda x: x * 2, RandomArp([1, 2, lambda: 3]))
results = [arpmap() for i in range(6)]
self.assertEqual(results, [6, 4, 2, 6, 2, 6])
def test_pattern_arp(self):
pattern = [0, 1, 2, 0, 0, 3, 2]
notes = [1, 2, 3, 4]
arp = PatternArp(notes, pattern)
played = [arp() for i in range(14)]
self.assertEqual(played, [1, 2, 3, 1, 1, 4, 3] * 2)
arp.resetPattern([0, 0, 1, 1])
played = [arp() for i in range(4)]
self.assertEqual(played, [1, 1, 2, 2])
arp.resetPattern(cycle([0, 1, 2, 3]).next)
played = [arp() for i in range(8)]
self.assertEqual(played, [1, 2, 3, 4, 1, 2, 3, 4])
def test_chord_pattern_arp(self):
pattern = [0, 1, 2, [1, 2, 3], 3, 2, 1]
notes = [1, 2, 3, 4]
arp = ChordPatternArp(notes, pattern)
played = [arp() for i in range(14)]
self.assertEqual(played,
[(1,), (2,), (3,), [2, 3, 4], (4,), (3,), (2,)] * 2)
def setUp(self):
self.arpeggio = arpeggio = [0, 2, 1, 3]
self.ascArp = AscArp(arpeggio)
self.descArp = DescArp(arpeggio)
self.ordArp = OrderedArp(arpeggio)
self.randArp = RandomArp(arpeggio)
class ArpTests(TestCase):
def setUp(self):
self.arpeggio = arpeggio = [0, 2, 1, 3]
self.ascArp = AscArp(arpeggio)
self.descArp = DescArp(arpeggio)
self.ordArp = OrderedArp(arpeggio)
self.randArp = RandomArp(arpeggio)
def test_ascArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 3, 0, 1, 2, 3])
def test_descArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 0, 3, 2, 1, 0])
def test_orderedArp(self):
arpeggio = []
for i in range(8):
arpeggio.append(self.ordArp())
self.assertEquals(arpeggio, [0, 2, 1, 3, 0, 2, 1, 3])
def test_randomArp(self):
r = cycle([1, 2, 0, 0, 2, 0, 1, 0])
class myrandom:
@classmethod
def randint(cls, *blah):
return r.next()
self.patch(arp, 'random', myrandom)
arpeggio = []
for i in range(8):
arpeggio.append(self.randArp())
self.assertEquals(arpeggio, [2, 3, 0, 1, 0, 2, 1, 3])
def test_numeric_sorting(self):
"""
Test that numeric values are sorted correctly and
non-numeric values retain their position in the arpeggio.
"""
arpeggio = []
ascarp = AscArp([1, 3, N, 2])
for i in range(8):
arpeggio.append(ascarp())
self.assertEquals(arpeggio, [1, 2, None, 3, 1, 2, None, 3])
def test_resetting(self):
"""
Test various behaviors of resetting values on an arp midstream.
"""
arpeggio = []
for i in range(2):
arpeggio.append(self.ascArp())
self.ascArp.reset([5, 6, 7, 8])
for i in range(2):
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 7, 8])
arpeggio = []
self.ascArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.ascArp())
self.ascArp.reset([5, 6])
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 6])
arpeggio = []
self.ascArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.ascArp())
self.ascArp.reset([4, 5, 6, 7, 8, 9, 10, 11])
arpeggio.append(self.ascArp())
self.assertEquals(arpeggio, [0, 1, 2, 10])
arpeggio = []
for i in range(2):
arpeggio.append(self.descArp())
self.descArp.reset([5, 6, 7, 8])
for i in range(2):
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 6, 5])
arpeggio = []
self.descArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.descArp())
self.descArp.reset([5, 6])
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 5])
arpeggio = []
self.descArp.reset([0, 1, 2, 3])
for i in range(3):
arpeggio.append(self.descArp())
self.descArp.reset([4, 5, 6, 7, 8, 9, 10, 11])
arpeggio.append(self.descArp())
self.assertEquals(arpeggio, [3, 2, 1, 5])
def test_octave_arp_ascending(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28, 37, 38, 39, 40, 1, 2,
3, 4
])
arpeggio = []
octaveArp = OctaveArp(DescArp(), [1, 2, 3, 4])
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
4, 3, 2, 1, 16, 15, 14, 13, 28, 27, 26, 25, 40, 39, 38, 37, 4, 3,
2, 1
])
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], 1)
for i in range(12):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [1, 2, 3, 4, 13, 14, 15, 16, 1, 2, 3, 4])
def test_octave_arp_descending(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], direction=-1)
for i in range(20):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
37, 38, 39, 40, 25, 26, 27, 28, 13, 14, 15, 16, 1, 2, 3, 4, 37, 38,
39, 40
])
def test_octave_arp_with_0_octaves(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], 0)
for i in range(8):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [1, 2, 3, 4, 1, 2, 3, 4])
def test_octave_arp_oscillate(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4], oscillate=True)
for i in range(36):
arpeggio.append(octaveArp())
self.assertEquals(arpeggio, [
1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28, 37, 38, 39, 40, 25, 26,
27, 28, 13, 14, 15, 16, 1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28
])
def test_adder(self):
arpeggio = []
octaveArp = OctaveArp(AscArp(), [1, 2, 3, 4])
adder = Adder(octaveArp)
for i in range(16):
arpeggio.append(adder())
self.assertEquals(
arpeggio,
[1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28, 37, 38, 39, 40])
adder.amount = 2
arpeggio = []
for i in range(16):
arpeggio.append(adder())
self.assertEquals(arpeggio, [
v + 2 for v in
[1, 2, 3, 4, 13, 14, 15, 16, 25, 26, 27, 28, 37, 38, 39, 40]
])
def test_empty_arps(self):
for klass in (AscArp, DescArp, OrderedArp):
a = klass([])
for i in range(4):
a()
def test_paradiddle_patterns(self):
notes = [1, 2]
single = SingleParadiddle(notes)
pattern = [single() for i in range(16)]
self.assertEquals(pattern,
[1, 2, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2])
double = DoubleParadiddle(notes)
pattern = [double() for i in range(24)]
self.assertEqual(pattern, [1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 2] * 2)
triple = TripleParadiddle(notes)
pattern = [triple() for i in range(32)]
self.assertEqual(pattern,
[1, 2, 1, 2, 1, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 2] * 2)
pdd = ParadiddleDiddle(notes)
pattern = [pdd() for i in range(24)]
self.assertEqual(pattern, [
1, 2, 1, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2,
1, 1
])
def test_arp_map(self):
random.seed(0)
arpmap = ArpMap(lambda x: x * 2, OrderedArp([1, 2, 3]))
results = [arpmap() for i in range(6)]
self.assertEqual(results, [2, 4, 6, 2, 4, 6])
arpmap = ArpMap(lambda x: x * 2, RandomArp([1, 2, lambda: 3]))
results = [arpmap() for i in range(6)]
self.assertEqual(results, [6, 4, 2, 6, 2, 6])
def test_pattern_arp(self):
pattern = [0, 1, 2, 0, 0, 3, 2]
notes = [1, 2, 3, 4]
arp = PatternArp(notes, pattern)
played = [arp() for i in range(14)]
self.assertEqual(played, [1, 2, 3, 1, 1, 4, 3] * 2)
arp.resetPattern([0, 0, 1, 1])
played = [arp() for i in range(4)]
self.assertEqual(played, [1, 1, 2, 2])
arp.resetPattern(cycle([0, 1, 2, 3]).next)
played = [arp() for i in range(8)]
self.assertEqual(played, [1, 2, 3, 4, 1, 2, 3, 4])
def test_chord_pattern_arp(self):
pattern = [0, 1, 2, [1, 2, 3], 3, 2, 1]
notes = [1, 2, 3, 4]
arp = ChordPatternArp(notes, pattern)
played = [arp() for i in range(14)]
self.assertEqual(played, [(1, ), (2, ), (3, ), [2, 3, 4], (4, ), (3, ),
(2, )] * 2)