def test_set_bpm(self):
t = Track()
t.set_bpm(120)
t.note(4, 50)
self.assertEqual(
MidiEventStream(t).str_repr(1),
"t120/4 p0:0 v0:100 n0:50 d1/4 o50")
def test_simple1(self):
t = Track()
t.note(4, 90, 127)
self.assertEqual(list(MidiEventStream(t)),
[('program-change', 0, 0), ('volume', 0, 100),
('note-on', 0, 90, 127), ('notelen-time', Rat(1, 4)),
('note-off', 0, 90, 127)])
def test_bug1(self):
"""
For each moment in time, all note-off events have to be
done before the note-on events. This to avoid problems
with the same note being played two times after each other
in different tracks.
"""
t1 = Track()
t1.set_patch(3)
t1.note(4, 93, 127)
t1.note(4, 95, 127)
t2 = Track()
t2.set_patch(4)
t2.note(4, 95, 127)
t2.note(4, 97, 127)
self.assertEquals(list(MidiEventStream(t1, t2)),
[('program-change', 0, 3),
('volume', 0, 100),
('note-on', 0, 93, 127),
('program-change', 1, 4),
('volume', 1, 100),
('note-on', 1, 95, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 93, 127),
('note-off', 1, 95, 127),
('note-on', 0, 95, 127),
('note-on', 1, 97, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 95, 127),
('note-off', 1, 97, 127)])
self.assertEquals(MidiEventStream(t1, t2).str_repr(details=1),
"p0:3 v0:100 n0:93 p1:4 v1:100 n1:95 d1/4 o93 o95 n0:95 n1:97 d1/4 o95 o97")
def test_export_track(self):
t = Track()
t.start_note(50, 120)
m = MidiExporter()
m.start_export(os.path.join(outdir, "a.mid"))
m.play_track(t)
m.end_export()
os.remove(os.path.join(outdir, "a.mid"))
def test_export_track(self):
t = Track()
t.start_note(50, 120)
m = MidiExporter()
m.start_export(os.path.join(outdir, "a.mid"))
m.play_track(t)
m.end_export()
os.remove(os.path.join(outdir, "a.mid"))
def test_simple1(self):
t = Track()
t.note(4, 90, 127)
self.assertEquals(list(MidiEventStream(t)),
[('program-change', 0, 0),
('volume', 0, 100),
('note-on', 0, 90, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 90, 127)])
def test_set_patch(self):
"""
If multiple set_patch is done, the last will be used.
"""
t = Track()
t.set_patch(2)
t.set_patch(3)
t.note(4, 55)
self.assertEquals(MidiEventStream(t).str_repr(),
"p0:3 v0:100 n55 d1/4 o55")
def test_x3(self):
t1 = Track()
t1.note(4, 62)
t1.note(4, 60)
t1.note(2, 62)
t2 = Track()
t2.note(1, 60)
m = MidiEventStream(t1, t2)
m.num_MIDI_channels = 1
# We don't handle running out of MIDI channels yet
self.assertRaises(Exception, m.str_repr, 1)
def test_set_bpm2(self):
"""
Two set_bpm in a row should only generate MIDI events for the
last one.
"""
t = Track()
t.set_bpm(120)
t.set_bpm(121)
t.note(4, 50)
self.assertEquals(MidiEventStream(t).str_repr(1),
"t121/4 p0:0 v0:100 n0:50 d1/4 o50")
def test_x2(self):
t1 = Track()
t1.note(4, 62)
t1.note(4, 60)
t1.note(2, 62)
t2 = Track()
t2.note(1, 60)
m = MidiEventStream(t1, t2)
self.assertEquals(
"p0:0 p1:0 v0:100 n0:62 n0:60 d1/4 o62 v1:100 n1:60 d1/4 o60 n0:62 d1/2 o62 o60",
m.str_repr(1))
def test_midi_overlap(self):
t1 = Track()
t1.note(8, 92, 121)
t1.note(8, 90, 122)
t1.note(8, 92, 123)
t1.note(8, 94, 124)
t2 = Track()
t2.note(2, 90, 120)
m = MidiEventStream(t1, t2)
self.assertEquals(
"p0:0 p1:0 v0:100 n0:92 n0:90 d1/8 o92 v1:100 n1:90 d1/8 o90 n0:92 d1/8 o92 n0:94 d1/8 o94 o90",
m.str_repr(1))
def test_set_volume(self):
"""
Assert that there is not sendt a new pacth event when we change volume
"""
t = Track()
t.set_volume(98)
t.note(4, 55)
t.set_volume(99)
t.note(4, 57)
self.assertEquals(
MidiEventStream(t).str_repr(),
"p0:0 p1:0 v0:98 n55 d1/4 o55 v1:99 n57 d1/4 o57")
def test_set_patch2(self):
"""
Assert that there is not sendt a new volume event when we change patch.
"""
t = Track()
t.set_patch(2)
t.note(4, 55)
t.set_patch(3)
t.note(4, 57)
self.assertEquals(
MidiEventStream(t).str_repr(),
"p0:2 p1:3 v0:100 n55 d1/4 o55 v1:100 n57 d1/4 o57")
def test_set_bpm3(self):
"""
When two tracks set a different tempo, the tempo from the
last track is used. There is not issues two MIDI events.
"""
t1 = Track()
t1.set_bpm(120)
t1.note(4, 50)
t2 = Track()
t2.set_bpm(121)
t2.note(4, 55)
self.assertEquals(MidiEventStream(t1, t2).str_repr(1),
"t121/4 p0:0 v0:100 n0:50 n0:55 d1/4 o50 o55")
def test_set_patch2(self):
"""
Assert that there is not sendt a new volume event when we change patch.
"""
t = Track()
t.set_patch(2)
t.note(4, 55)
t.set_patch(3)
t.note(4, 57)
self.assertEquals(MidiEventStream(t).str_repr(),
"p0:2 v0:100 n55 d1/4 o55 p0:3 n57 d1/4 o57")
def test_set_volume(self):
"""
Assert that there is not sendt a new pacth event when we change volume
"""
t = Track()
t.set_volume(98)
t.note(4, 55)
t.set_volume(99)
t.note(4, 57)
self.assertEquals(MidiEventStream(t).str_repr(),
"p0:0 v0:98 n55 d1/4 o55 v0:99 n57 d1/4 o57")
def test_x2(self):
t1 = Track()
t1.note(4, 62)
t1.note(4, 60)
t1.note(2, 62)
t2 = Track()
t2.note(1, 60)
m = MidiEventStream(t1, t2)
self.assertEqual("p0:0 p1:0 v0:100 n0:62 n0:60 d1/4 o62 v1:100 n1:60 d1/4 o60 n0:62 d1/2 o62 o60", m.str_repr(1))
def test_midi_overlap(self):
t1 = Track()
t1.note(8, 92, 121)
t1.note(8, 90, 122)
t1.note(8, 92, 123)
t1.note(8, 94, 124)
t2 = Track()
t2.note(2, 90, 120)
m = MidiEventStream(t1, t2)
self.assertEqual("p0:0 p1:0 v0:100 n0:92 n0:90 d1/8 o92 v1:100 n1:90 d1/8 o90 n0:92 d1/8 o92 n0:94 d1/8 o94 o90", m.str_repr(1))
def test_x3(self):
t1 = Track()
t1.note(4, 62)
t1.note(4, 60)
t1.note(2, 62)
t2 = Track()
t2.note(1, 60)
m = MidiEventStream(t1, t2)
m.num_MIDI_channels = 1
# We don't handle running out of MIDI channels yet
self.assertRaises(Exception, m.str_repr, 1)
def test_set_bpm(self):
t = Track()
t.set_bpm(120)
t.note(4, 50)
self.assertEquals(
MidiEventStream(t).str_repr(1),
"t120/4 p0:0 v0:100 n0:50 d1/4 o50")
def test_1voice_setpatch(self):
t = Track()
t.note(4, 90, 127)
t.set_patch(3)
t.note(4, 91, 127)
self.assertEquals(list(MidiEventStream(t)), [
('program-change', 0, 0),
('program-change', 1, 3),
('volume', 0, 100),
('note-on', 0, 90, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 90, 127),
('volume', 1, 100),
('note-on', 1, 91, 127),
('notelen-time', Rat(1, 4)),
('note-off', 1, 91, 127),
])
def test_set_patch(self):
"""
If multiple set_patch is done, the last will be used.
"""
t = Track()
t.set_patch(2)
t.set_patch(3)
t.note(4, 55)
self.assertEquals(
MidiEventStream(t).str_repr(), "p0:3 v0:100 n55 d1/4 o55")
def test_set_bpm2(self):
"""
Two set_bpm in a row should only generate MIDI events for the
last one.
"""
t = Track()
t.set_bpm(120)
t.set_bpm(121)
t.note(4, 50)
self.assertEquals(
MidiEventStream(t).str_repr(1),
"t121/4 p0:0 v0:100 n0:50 d1/4 o50")
def test_1voice_setpatch(self):
t = Track()
t.note(4, 90, 127)
t.set_patch(3)
t.note(4, 91, 127)
self.assertEquals(list(MidiEventStream(t)),
[('program-change', 0, 0),
('volume', 0, 100),
('note-on', 0, 90, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 90, 127),
('program-change', 0, 3),
('note-on', 0, 91, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 91, 127),
])
def test_patch_volume_order(self):
"""
Assert that the order of set_patch and set_volume does not matter.
"""
t1 = Track()
t1.set_patch(1)
t1.set_volume(101)
t1.note(4, 64)
self.assertEquals(MidiEventStream(t1).str_repr(details=1), "p0:1 v0:101 n0:64 d1/4 o64")
# Then with patch and volume in reverse order
t1 = Track()
t1.set_volume(101)
t1.set_patch(1)
t1.note(4, 64)
self.assertEquals(MidiEventStream(t1).str_repr(details=1), "p0:1 v0:101 n0:64 d1/4 o64")
def test_melodic_interval_2_tracks(self):
"""
In this test, only MIDI channel 0 will be allocated, even though
two different patches and volumes are used. This because the tones
from the two tracks does not sound at the same time.
"""
t1 = Track()
t1.set_patch(1)
t1.set_volume(101)
t1.note(4, 64)
t2 = Track()
t2.set_patch(2)
t2.set_volume(102)
t2.notelen_time(4)
t2.note(4, 66)
self.assertEquals(t1.str_repr(), "p1 v101 n64 d1/4 o64")
self.assertEquals(t2.str_repr(), "p2 v102 d1/4 n66 d1/4 o66")
m = MidiEventStream(t1, t2)
self.assertEquals(m.str_repr(1),
"p0:1 v0:101 n0:64 d1/4 o64 p0:2 v0:102 n0:66 d1/4 o66")
def test_patch_volume_order(self):
"""
Assert that the order of set_patch and set_volume does not matter.
"""
t1 = Track()
t1.set_patch(1)
t1.set_volume(101)
t1.note(4, 64)
self.assertEquals(
MidiEventStream(t1).str_repr(details=1),
"p0:1 v0:101 n0:64 d1/4 o64")
# Then with patch and volume in reverse order
t1 = Track()
t1.set_volume(101)
t1.set_patch(1)
t1.note(4, 64)
self.assertEquals(
MidiEventStream(t1).str_repr(details=1),
"p0:1 v0:101 n0:64 d1/4 o64")
def test_set_bpm3(self):
"""
When two tracks set a different tempo, the tempo from the
last track is used. There is not issues two MIDI events.
"""
t1 = Track()
t1.set_bpm(120)
t1.note(4, 50)
t2 = Track()
t2.set_bpm(121)
t2.note(4, 55)
self.assertEquals(
MidiEventStream(t1, t2).str_repr(1),
"t121/4 p0:0 v0:100 n0:50 n0:55 d1/4 o50 o55")
def test_track1(self):
t = Track()
t.prepend_patch(33)
t.note(4, 60, 120)
def test_str_repr(self):
t1 = Track()
t1.set_volume(88)
t1.set_patch(3)
t1.note(4, 93, 127)
t2 = Track()
t2.set_patch(4)
t2.note(4, 94, 127)
t3 = Track()
t3.set_patch(5)
t3.note(4, 95, 127)
self.assertEquals(list(MidiEventStream(t1, t2, t3)),
[('program-change', 0, 3), ('program-change', 1, 4),
('program-change', 2, 5), ('volume', 0, 88),
('note-on', 0, 93, 127), ('volume', 1, 100),
('note-on', 1, 94, 127), ('volume', 2, 100),
('note-on', 2, 95, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 93, 127), ('note-off', 1, 94, 127),
('note-off', 2, 95, 127)])
self.assertEquals(
MidiEventStream(t1, t2, t3).str_repr(details=1),
"p0:3 p1:4 p2:5 v0:88 n0:93 v1:100 n1:94 v2:100 n2:95 d1/4 o93 o94 o95"
)
def test_melodic_interval_2_tracks(self):
"""
In this test, only MIDI channel 0 will be allocated, even though
two different patches and volumes are used. This because the tones
from the two tracks does not sound at the same time.
"""
t1 = Track()
t1.set_patch(1)
t1.set_volume(101)
t1.note(4, 64)
t2 = Track()
t2.set_patch(2)
t2.set_volume(102)
t2.notelen_time(4)
t2.note(4, 66)
self.assertEquals(t1.str_repr(), "p1 v101 n64 d1/4 o64")
self.assertEquals(t2.str_repr(), "p2 v102 d1/4 n66 d1/4 o66")
m = MidiEventStream(t1, t2)
self.assertEquals(
m.str_repr(1),
"p0:1 p1:2 v0:101 n0:64 d1/4 o64 v1:102 n1:66 d1/4 o66")
def test_track1(self):
t = Track()
t.prepend_patch(33)
t.note(4, 60, 120)
def test_add(self):
t1 = Track()
t1.note(8, 92, 121)
self.assertEqual("n92 d1/8 o92", t1.str_repr())
t2 = Track()
t2.note(2, 90, 120)
self.assertEqual("n90 d1/2 o90", t2.str_repr())
self.assertEqual("n92 d1/8 o92", t1.str_repr())
self.assertEqual("n90 d1/2 o90", t2.str_repr())
m1 = MidiEventStream(t1)
m2 = MidiEventStream(t2)
t3 = t1 + t2
self.assertEqual("n92 d1/8 o92 n90 d1/2 o90", t3.str_repr())
m3 = MidiEventStream(t3)
self.assertEqual("n92 d1/8 o92", t1.str_repr())
self.assertEqual("n90 d1/2 o90", t2.str_repr())
# FIXME volume bug?
self.assertEqual("p0:0 v0:100 n0:92 d1/8 o92", m1.str_repr(1))
self.assertEqual("p0:0 v0:100 n0:90 d1/2 o90", m2.str_repr(1))
self.assertEqual("p0:0 v0:100 n0:92 d1/8 o92 n0:90 d1/2 o90", m3.str_repr(1))
def test_x1(self):
t1 = Track()
t1.set_patch(1)
t1.note(4, 60)
t1.set_patch(2)
t1.note(4, 60)
t1.set_patch(3)
t1.note(4, 60)
t1.set_patch(4)
t1.note(4, 60)
m = MidiEventStream(t1)
self.assertEquals(
"p0:1 p1:2 p2:3 p3:4 v0:100 n0:60 d1/4 o60 v1:100 n1:60 d1/4 o60 v2:100 n2:60 d1/4 o60 v3:100 n3:60 d1/4 o60",
m.str_repr(1))
def test_add(self):
t1 = Track()
t1.note(8, 92, 121)
self.assertEqual("n92 d1/8 o92", t1.str_repr())
t2 = Track()
t2.note(2, 90, 120)
self.assertEqual("n90 d1/2 o90", t2.str_repr())
self.assertEqual("n92 d1/8 o92", t1.str_repr())
self.assertEqual("n90 d1/2 o90", t2.str_repr())
m1 = MidiEventStream(t1)
m2 = MidiEventStream(t2)
t3 = t1 + t2
self.assertEqual("n92 d1/8 o92 n90 d1/2 o90", t3.str_repr())
m3 = MidiEventStream(t3)
self.assertEqual("n92 d1/8 o92", t1.str_repr())
self.assertEqual("n90 d1/2 o90", t2.str_repr())
# FIXME volume bug?
self.assertEqual("p0:0 v0:100 n0:92 d1/8 o92", m1.str_repr(1))
self.assertEqual("p0:0 v0:100 n0:90 d1/2 o90", m2.str_repr(1))
self.assertEqual("p0:0 v0:100 n0:92 d1/8 o92 n0:90 d1/2 o90",
m3.str_repr(1))
def test_x1(self):
t1 = Track()
t1.set_patch(1)
t1.note(4, 60)
t1.set_patch(2)
t1.note(4, 60)
t1.set_patch(3)
t1.note(4, 60)
t1.set_patch(4)
t1.note(4, 60)
m = MidiEventStream(t1)
self.assertEqual("p0:1 p1:2 p2:3 p3:4 v0:100 n0:60 d1/4 o60 v1:100 n1:60 d1/4 o60 v2:100 n2:60 d1/4 o60 v3:100 n3:60 d1/4 o60", m.str_repr(1))
def test_str_repr(self):
t1 = Track()
t1.set_volume(88)
t1.set_patch(3)
t1.note(4, 93, 127)
t2 = Track()
t2.set_patch(4)
t2.note(4, 94, 127)
t3 = Track()
t3.set_patch(5)
t3.note(4, 95, 127)
self.assertEquals(list(MidiEventStream(t1, t2, t3)),
[
('program-change', 0, 3),
('volume', 0, 88),
('note-on', 0, 93, 127),
('program-change', 1, 4),
('volume', 1, 100),
('note-on', 1, 94, 127),
('program-change', 2, 5),
('volume', 2, 100),
('note-on', 2, 95, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 93, 127),
('note-off', 1, 94, 127),
('note-off', 2, 95, 127)])
self.assertEquals(MidiEventStream(t1, t2, t3).str_repr(details=1),
"p0:3 v0:88 n0:93 p1:4 v1:100 n1:94 p2:5 v2:100 n2:95 d1/4 o93 o94 o95")
def test_bug1(self):
"""
For each moment in time, all note-off events have to be
done before the note-on events. This to avoid problems
with the same note being played two times after each other
in different tracks.
"""
t1 = Track()
t1.set_patch(3)
t1.note(4, 93, 127)
t1.note(4, 95, 127)
t2 = Track()
t2.set_patch(4)
t2.note(4, 95, 127)
t2.note(4, 97, 127)
self.assertEquals(list(MidiEventStream(t1, t2)),
[('program-change', 0, 3), ('program-change', 1, 4),
('volume', 0, 100), ('note-on', 0, 93, 127),
('volume', 1, 100), ('note-on', 1, 95, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 93, 127), ('note-off', 1, 95, 127),
('note-on', 0, 95, 127), ('note-on', 1, 97, 127),
('notelen-time', Rat(1, 4)),
('note-off', 0, 95, 127), ('note-off', 1, 97, 127)])
self.assertEquals(
MidiEventStream(t1, t2).str_repr(details=1),
"p0:3 p1:4 v0:100 n0:93 v1:100 n1:95 d1/4 o93 o95 n0:95 n1:97 d1/4 o95 o97"
)
