def setUp(self):
self.meters = [ Meter(4,4), Meter(3,4) ]
self.meterStandard = self.meters[0]
self.meter34 = self.meters[1]
self.clock = BeatClock(135, meters=self.meters, reactor=TestReactor())
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(135, meters=self.meters, reactor=TestReactor())
def test_defaultMeterIsStandard(self):
clock = BeatClock(120)
self.assertEquals(len(clock.meters), 1)
meter = clock.meters[0]
self.assertEquals(meter.length, 4)
self.assertEquals(meter.division, 4)
self.assertEquals(meter.number, 1)
def test_startLater(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
self.clock.schedule(instr1).startLater(0, 0.25)
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).startLater(1.0, 1.0 / 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_startLaterWithMeter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
instr2 = TestInstrument('f2', self.clock, called)
self.clock.schedule(instr1).startLater(1.0, 0.25, meter=self.meterStandard)
self.clock.schedule(instr2).startLater(1.0, 0.25, meter=self.meter34)
self._runTicks(96 * 2)
expected = [(72, 'f2'), (96, 'f2'), (96, 'f1'), (120, 'f2'), (120, 'f1'),
(144, 'f2'), (144, 'f1'), (168, 'f2'), (168, 'f1'),
(192, 'f2'), (192, 'f1')]
self.assertEquals(len(called), len(expected))
self.assertEquals(set(called), set(expected))
def test_stopLater(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
instr2 = TestInstrument('f2', self.clock, called)
self.clock.schedule(instr1).startLater(1.0, 0.25, meter=self.meterStandard).stopLater(3.5)
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)
called[:] = []
self.clock.schedule(instr2).startLater(0, 0.25, meter=self.meter34).stopLater(2 + 2/3., meter=self.meter34)
self._runTicks(96 * 5)
expected = [(504, 'f2'), (528, 'f2'), (552, 'f2'), (576, 'f2'), (600, 'f2')]
self.assertEquals(called, expected)
def test_bindMeter(self):
called = []
instr1 = TestInstrument('f1', self.clock, called)
instr2 = TestInstrument('f2', self.clock, called)
self.clock.schedule(instr1).bindMeter(self.meterStandard).startLater(1.0, 0.25).stopLater(3.5)
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)
called[:] = []
self.clock.schedule(instr2).bindMeter(self.meter34).startLater(0, 0.25).stopLater(2 + 2/3.)
self._runTicks(96 * 5)
expected = [(504, 'f2'), (528, 'f2'), (552, 'f2'), (576, 'f2'), (600, 'f2')]
self.assertEquals(called, expected)
def test_setTempo(self):
self.clock.setTempo(60)
interval_before = self.clock._tick_interval
called = []
self.clock.startTicking()
self.clock.on_stop.addCallback(called.append)
self.clock.setTempo(120)
self.assertEquals(len(called), 1)
self.assertEquals(self.clock._tick_interval, 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, (self.clock._tick_interval, 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, (self.clock._tick_interval, True), {}),
(0.5, self.clock.task.start, (self.clock._tick_interval, True), {})])
