class ClockTests(TestCase, ClockRunner):
def setUp(self):
self.meters = [Meter(4, 4), Meter(3, 4)]
self.meterStandard = self.meters[0]
self.meter34 = self.meters[1]
self.clock = BeatClock(Tempo(135), meters=self.meters,
reactor=TestReactor())
def test_defaultMeterIsStandard(self):
clock = BeatClock(Tempo(120))
self.assertEquals(len(clock.meters), 1)
meter = clock.meter
self.assertEquals(meter.length, 4)
self.assertEquals(meter.division, 4)
self.assertEquals(meter.number, 1)
def test_startAfterTicks(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
n = self.clock.meter.dtt
nm = self.clock.meter.nm
self.clock.schedule(instr1).startAfterTicks(0, n(1, 4))
self._runTicks(96 * 2)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1'), (192, 'f1')]
self.assertEquals(called, expected)
called[:] = []
instr2 = TestInstrument('f2', self.clock, called)
t = self.clock.ticks
self.clock.schedule(instr2).startAfterTicks(nm(t, 1) - t, n(1, 3))
self._runTicks(96 * 2)
expected = [(216, 'f1'), (240, 'f1'), (264, 'f1'), (288, 'f2'),
(288, 'f1'), (312, 'f1'), (320, 'f2'), (336, 'f1'),
(352, 'f2'), (360, 'f1'), (384, 'f2'), (384, 'f1')]
self.assertEquals(called, expected)
def test_startAfter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
self.clock.schedule(instr1).startAfter((0, 1), (1, 4))
self._runTicks(96 * 2)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1'), (192, 'f1')]
self.assertEquals(called, expected)
called[:] = []
instr2 = TestInstrument('f2', self.clock, called)
self.clock.schedule(instr2).startAfter((1, 1), (1, 3))
self._runTicks(96 * 2)
expected = [(216, 'f1'), (240, 'f1'), (264, 'f1'), (288, 'f2'),
(288, 'f1'), (312, 'f1'), (320, 'f2'), (336, 'f1'),
(352, 'f2'), (360, 'f1'), (384, 'f2'), (384, 'f1')]
self.assertEquals(called, expected)
def test_stopAfterTicks(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
nm = self.clock.meter.nextMeasure
n = self.clock.meter.dtt
t = self.clock.ticks
self.clock.schedule(instr1).startAfterTicks(nm(t, 1), n(1, 4)
).stopAfterTicks(nm(t, 3) + n(1, 2))
self._runTicks(96 * 5)
expected = [
(96, 'f1'),
(120, 'f1'),
(144, 'f1'),
(168, 'f1'),
(192, 'f1'),
(216, 'f1'),
(240, 'f1'),
(264, 'f1'),
(288, 'f1'),
(312, 'f1')]
self.assertEquals(len(called), len(expected))
self.assertEquals(called, expected)
def test_stopAfter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
self.clock.schedule(instr1).startAfter((0, 1), (1, 4)
).stopAfter((2, 1))
self._runTicks(96 * 3)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1')]
self.assertEquals(called, expected)
def test_setTempo(self):
self.clock.setTempo(Tempo(60))
interval_before = 60. / self.clock.tempo.tpm
called = []
self.clock.startTicking()
self.clock.on_stop.addCallback(called.append)
self.clock.setTempo(Tempo(120))
self.assertEquals(len(called), 1)
self.assertEquals(60. / self.clock.tempo.tpm, interval_before / 2.)
self.clock.task.stop()
def test_nudge(self):
self.clock.startTicking()
self.clock.nudge()
self.assertEquals(self.clock.reactor.scheduled,
[(0.1, self.clock.task.start, (60. / self.clock.tempo.tpm, True),
{})])
self.clock.task.start(1, True)
self.clock.nudge(pause=0.5)
self.assertEquals(self.clock.reactor.scheduled,
[(0.1, self.clock.task.start, (60. / self.clock.tempo.tpm, True),
{}),
(0.5, self.clock.task.start, (60. / self.clock.tempo.tpm, True),
{})])
class ClockTests(TestCase, ClockRunner):
def setUp(self):
self.meters = [Meter(4, 4), Meter(3, 4)]
self.meterStandard = self.meters[0]
self.meter34 = self.meters[1]
self.clock = BeatClock(Tempo(135),
meters=self.meters,
reactor=TestReactor())
def test_defaultMeterIsStandard(self):
clock = BeatClock(Tempo(120))
self.assertEquals(len(clock.meters), 1)
meter = clock.meter
self.assertEquals(meter.length, 4)
self.assertEquals(meter.division, 4)
self.assertEquals(meter.number, 1)
def test_startAfterTicks(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
n = self.clock.meter.dtt
nm = self.clock.meter.nm
self.clock.schedule(instr1).startAfterTicks(0, n(1, 4))
self._runTicks(96 * 2)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1'), (192, 'f1')]
self.assertEquals(called, expected)
called[:] = []
instr2 = TestInstrument('f2', self.clock, called)
t = self.clock.ticks
self.clock.schedule(instr2).startAfterTicks(nm(t, 1) - t, n(1, 3))
self._runTicks(96 * 2)
expected = [(216, 'f1'), (240, 'f1'), (264, 'f1'), (288, 'f2'),
(288, 'f1'), (312, 'f1'), (320, 'f2'), (336, 'f1'),
(352, 'f2'), (360, 'f1'), (384, 'f2'), (384, 'f1')]
self.assertEquals(called, expected)
def test_startAfter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
self.clock.schedule(instr1).startAfter((0, 1), (1, 4))
self._runTicks(96 * 2)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1'), (192, 'f1')]
self.assertEquals(called, expected)
called[:] = []
instr2 = TestInstrument('f2', self.clock, called)
self.clock.schedule(instr2).startAfter((1, 1), (1, 3))
self._runTicks(96 * 2)
expected = [(216, 'f1'), (240, 'f1'), (264, 'f1'), (288, 'f2'),
(288, 'f1'), (312, 'f1'), (320, 'f2'), (336, 'f1'),
(352, 'f2'), (360, 'f1'), (384, 'f2'), (384, 'f1')]
self.assertEquals(called, expected)
def test_stopAfterTicks(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
nm = self.clock.meter.nextMeasure
n = self.clock.meter.dtt
t = self.clock.ticks
self.clock.schedule(instr1).startAfterTicks(nm(t, 1), n(
1, 4)).stopAfterTicks(nm(t, 3) + n(1, 2))
self._runTicks(96 * 5)
expected = [(96, 'f1'), (120, 'f1'), (144, 'f1'), (168, 'f1'),
(192, 'f1'), (216, 'f1'), (240, 'f1'), (264, 'f1'),
(288, 'f1'), (312, 'f1')]
self.assertEquals(len(called), len(expected))
self.assertEquals(called, expected)
def test_stopAfter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
self.clock.schedule(instr1).startAfter((0, 1), (1, 4)).stopAfter(
(2, 1))
self._runTicks(96 * 3)
expected = [(0, 'f1'), (24, 'f1'), (48, 'f1'), (72, 'f1'), (96, 'f1'),
(120, 'f1'), (144, 'f1'), (168, 'f1')]
self.assertEquals(called, expected)
def test_setTempo(self):
self.clock.setTempo(Tempo(60))
interval_before = 60. / self.clock.tempo.tpm
called = []
self.clock.startTicking()
self.clock.on_stop.addCallback(called.append)
self.clock.setTempo(Tempo(120))
self.assertEquals(len(called), 1)
self.assertEquals(60. / self.clock.tempo.tpm, interval_before / 2.)
self.clock.task.stop()
def test_nudge(self):
self.clock.startTicking()
self.clock.nudge()
self.assertEquals(self.clock.reactor.scheduled,
[(0.1, self.clock.task.start,
(60. / self.clock.tempo.tpm, True), {})])
self.clock.task.start(1, True)
self.clock.nudge(pause=0.5)
self.assertEquals(self.clock.reactor.scheduled,
[(0.1, self.clock.task.start,
(60. / self.clock.tempo.tpm, True), {}),
(0.5, self.clock.task.start,
(60. / self.clock.tempo.tpm, True), {})])
