Tone.js/Tone/clock/Clock.test.ts
2019-05-21 23:37:03 -04:00

616 lines
17 KiB
TypeScript

import { expect } from "chai";
import { BasicTests } from "test/helper/Basic";
import { atTime, Offline, whenBetween } from "../../test/helper/Offline";
import { ONLINE_TESTING } from "../../test/helper/Supports";
import { noOp } from "../util/Interface";
import { Clock } from "./Clock";
describe("Clock", () => {
BasicTests(Clock);
context("Get/Set values", () => {
it("can get and set the frequency", () => {
const clock = new Clock(noOp, 2);
expect(clock.frequency.value).to.equal(2);
clock.frequency.value = 0.2;
expect(clock.frequency.value).to.be.closeTo(0.2, 0.001);
clock.dispose();
});
if (ONLINE_TESTING) {
it("invokes the callback when started", (done) => {
const clock = new Clock((time) => {
clock.dispose();
done();
}, 10).start();
});
it("can be constructed with an options object", (done) => {
const clock = new Clock({
callback() {
clock.dispose();
done();
},
frequency: 8,
}).start();
expect(clock.frequency.value).to.equal(8);
});
}
it("can get and set it's values with the set/get", () => {
const clock = new Clock();
clock.set({
frequency: 2,
});
const gotValues = clock.get();
expect(gotValues.frequency).to.equal(2);
clock.dispose();
});
});
context("State", () => {
it("correctly returns the scheduled play state", () => {
return Offline(() => {
const clock = new Clock();
expect(clock.state).to.equal("stopped");
clock.start(0).stop(0.2);
expect(clock.state).to.equal("started");
return (time) => {
whenBetween(time, 0, 0.2, () => {
expect(clock.state).to.equal("started");
});
whenBetween(time, 0.2, Infinity, () => {
expect(clock.state).to.equal("stopped");
});
};
}, 0.3);
});
it("can start, pause, and stop", () => {
return Offline(() => {
const clock = new Clock();
expect(clock.state).to.equal("stopped");
clock.start(0).pause(0.2).stop(0.4);
expect(clock.state).to.equal("started");
return (time) => {
whenBetween(time, 0, 0.2, () => {
expect(clock.state).to.equal("started");
});
whenBetween(time, 0.2, 0.4, () => {
expect(clock.state).to.equal("paused");
});
whenBetween(time, 0.4, Infinity, () => {
expect(clock.state).to.equal("stopped");
});
};
}, 0.5);
});
it("can schedule multiple start and stops", () => {
return Offline(() => {
const clock = new Clock();
expect(clock.state).to.equal("stopped");
clock.start(0).pause(0.1).stop(0.2).start(0.3).stop(0.4);
expect(clock.state).to.equal("started");
return (time) => {
whenBetween(time, 0.1, 0.2, () => {
expect(clock.state).to.equal("paused");
expect(clock.ticks).to.be.greaterThan(0);
});
whenBetween(time, 0.2, 0.3, () => {
expect(clock.state).to.equal("stopped");
expect(clock.ticks).to.equal(0);
});
whenBetween(time, 0.3, 0.4, () => {
expect(clock.state).to.equal("started");
expect(clock.ticks).to.be.greaterThan(0);
});
};
}, 0.5);
});
it("stop and immediately start", () => {
return Offline(() => {
const clock = new Clock();
expect(clock.state).to.equal("stopped");
clock.start(0).stop(0.1).start(0.1);
expect(clock.state).to.equal("started");
return (time) => {
whenBetween(time, 0, 0.1, () => {
expect(clock.state).to.equal("started");
});
whenBetween(time, 0.1, 0.5, () => {
expect(clock.state).to.equal("started");
});
};
}, 0.5);
});
});
context("Scheduling", () => {
if (ONLINE_TESTING) {
it("passes a time to the callback", (done) => {
const clock = new Clock((time) => {
expect(time).to.be.a("number");
clock.dispose();
done();
}, 10).start();
});
it("invokes the callback with a time great than now", (done) => {
const clock = new Clock((time) => {
clock.dispose();
expect(time).to.be.greaterThan(now);
done();
}, 10);
const now = clock.now();
const startTime = now + 0.1;
clock.start(startTime);
});
it("invokes the first callback at the given start time", (done) => {
const clock = new Clock((time) => {
clock.dispose();
expect(time).to.be.closeTo(startTime, 0.01);
done();
}, 10);
const startTime = clock.now() + 0.1;
clock.start(startTime);
});
}
it("can be scheduled to start in the future", () => {
let invokations = 0;
return Offline(() => {
const clock = new Clock((time) => {
invokations++;
}, 2).start(0.1);
}, 0.4).then(() => {
expect(invokations).to.equal(1);
});
});
it("invokes the right number of callbacks given the duration", () => {
let invokations = 0;
return Offline(() => {
new Clock((time) => {
invokations++;
}, 10).start(0).stop(0.45);
}, 0.6).then(() => {
expect(invokations).to.equal(5);
});
});
it("can schedule the frequency of the clock", () => {
let invokations = 0;
return Offline(() => {
const clock = new Clock((time, ticks) => {
invokations++;
}, 2);
clock.start(0).stop(1.01);
clock.frequency.setValueAtTime(4, 0.5);
}, 2).then(() => {
expect(invokations).to.equal(4);
});
});
});
context("Seconds", () => {
it("can set the current seconds", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
expect(clock.seconds).to.be.closeTo(0, 0.001);
clock.seconds = 3;
expect(clock.seconds).to.be.closeTo(3, 0.01);
clock.dispose();
});
});
it("can get the seconds", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
expect(clock.seconds).to.be.closeTo(0, 0.001);
clock.start(0.05);
return (time) => {
if (time > 0.05) {
expect(clock.seconds).to.be.closeTo(time - 0.05, 0.01);
}
};
}, 0.1);
});
it("can get the seconds during a bpm ramp", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
expect(clock.seconds).to.be.closeTo(0, 0.001);
clock.start(0.05);
clock.frequency.linearRampTo(60, 0.5, 0.5);
return (time) => {
if (time > 0.05) {
expect(clock.seconds).to.be.closeTo(time - 0.05, 0.01);
}
};
}, 0.7);
});
it("can set seconds during a bpm ramp", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
expect(clock.seconds).to.be.closeTo(0, 0.001);
clock.start(0.05);
clock.frequency.linearRampTo(60, 0.5, 0.5);
const changeSeconds = atTime(0.4, () => {
clock.seconds = 0;
});
return (time) => {
changeSeconds(time);
if (time > 0.05 && time < 0.4) {
expect(clock.seconds).to.be.closeTo(time - 0.05, 0.01);
} else if (time > 0.4) {
expect(clock.seconds).to.be.closeTo(time - 0.4, 0.01);
}
};
}, 0.7);
});
});
context("Ticks", () => {
it("has 0 ticks when first created", () => {
const clock = new Clock();
expect(clock.ticks).to.equal(0);
clock.dispose();
});
it("increments 1 tick per callback", () => {
return Offline(() => {
let ticks = 0;
const clock = new Clock(() => {
ticks++;
}, 2).start();
return atTime(0.59, () => {
expect(ticks).to.equal(clock.ticks);
});
}, 0.6);
});
it("resets ticks on stop", () => {
return Offline(() => {
const clock = new Clock(noOp, 20).start(0).stop(0.1);
return (time) => {
whenBetween(time, 0.01, 0.09, () => {
expect(clock.ticks).to.be.greaterThan(0);
});
whenBetween(time, 0.1, Infinity, () => {
expect(clock.ticks).to.equal(0);
});
};
}, 0.2);
});
it("does not reset ticks on pause but stops incrementing", () => {
return Offline(() => {
const clock = new Clock(noOp, 20).start(0).pause(0.1);
let pausedTicks = 0;
return (time) => {
whenBetween(time, 0.01, 0.1, () => {
expect(clock.ticks).to.be.greaterThan(0);
pausedTicks = clock.ticks;
});
whenBetween(time, 0.1, Infinity, () => {
expect(clock.ticks).to.equal(pausedTicks);
});
};
}, 0.2);
});
it("starts incrementing where it left off after pause", () => {
return Offline(() => {
const clock = new Clock(noOp, 20).start(0).pause(0.1).start(0.2);
let pausedTicks = 0;
let tested = false;
return (time) => {
whenBetween(time, 0.01, 0.1, () => {
expect(clock.ticks).to.be.greaterThan(0);
pausedTicks = clock.ticks;
});
whenBetween(time, 0.1, 0.19, () => {
expect(clock.ticks).to.equal(pausedTicks);
});
whenBetween(time, 0.21, Infinity, () => {
if (!tested) {
tested = true;
expect(clock.ticks).to.equal(pausedTicks + 1);
}
});
};
}, 0.3);
});
it("can start with a tick offset", () => {
return Offline(() => {
let tested = false;
const clock = new Clock((time, ticks) => {
if (!tested) {
tested = true;
expect(ticks).to.equal(4);
}
}, 10);
expect(clock.ticks).to.equal(0);
clock.start(0, 4);
});
});
});
context("Events", () => {
it("triggers the start event on start", (done) => {
Offline(() => {
const clock = new Clock(noOp, 20);
const startTime = 0.3;
clock.on("start", (time, offset) => {
expect(time).to.be.closeTo(startTime, 0.05);
expect(offset).to.equal(0);
done();
});
clock.start(startTime);
}, 0.4);
});
it("triggers the start event with an offset", (done) => {
Offline(() => {
const clock = new Clock(noOp, 20);
const startTime = 0.3;
clock.on("start", (time, offset) => {
expect(time).to.be.closeTo(startTime, 0.05);
expect(offset).to.equal(2);
done();
});
clock.start(startTime, 2);
}, 0.4);
});
it("triggers stop event", (done) => {
Offline(() => {
const clock = new Clock(noOp, 20);
const stopTime = 0.3;
clock.on("stop", (time) => {
expect(time).to.be.closeTo(stopTime, 0.05);
done();
});
clock.start().stop(stopTime);
}, 0.4);
});
it("triggers pause stop event", (done) => {
Offline(() => {
const clock = new Clock(noOp, 20);
clock.on("pause", (time) => {
expect(time).to.be.closeTo(0.1, 0.05);
}).on("stop", (time) => {
expect(time).to.be.closeTo(0.2, 0.05);
done();
});
clock.start().pause(0.1).stop(0.2);
}, 0.4);
});
it("triggers events even in close proximity", (done) => {
Offline(() => {
const clock = new Clock(noOp, 20);
let invokedStartEvent = false;
clock.on("start", () => {
invokedStartEvent = true;
});
clock.on("stop", () => {
expect(invokedStartEvent).to.equal(true);
done();
});
clock.start(0.09999).stop(0.1);
}, 0.4);
});
});
context("[get/set]Ticks", () => {
it("always reports 0 if not started", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
expect(clock.getTicksAtTime(0)).to.equal(0);
expect(clock.getTicksAtTime(1)).to.equal(0);
expect(clock.getTicksAtTime(2)).to.equal(0);
clock.dispose();
});
});
it("can get ticks in the future", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(1);
expect(clock.getTicksAtTime(1)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(1.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(20, 0.01);
clock.dispose();
});
});
it("pauses on last ticks", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0).pause(1);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(20, 0.01);
clock.dispose();
});
});
it("resumes from paused position", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0).pause(1).start(2);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(40, 0.01);
expect(clock.getTicksAtTime(3.5)).to.be.closeTo(50, 0.01);
clock.dispose();
});
});
it("can get tick position after multiple pauses", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
clock.start(0).pause(1).start(2).pause(3).start(4);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(5, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(4)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(5)).to.be.closeTo(30, 0.01);
clock.dispose();
});
});
it("can get tick position after multiple pauses and tempo scheduling", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
clock.frequency.setValueAtTime(100, 3.5);
clock.start(0).pause(1).start(2).pause(3).start(4);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(5, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(4)).to.be.closeTo(20, 0.01);
expect(clock.getTicksAtTime(5)).to.be.closeTo(120, 0.01);
clock.dispose();
});
});
it("can get tick position after multiple pauses and setting ticks", () => {
return Offline(() => {
const clock = new Clock(noOp, 10);
clock.start(0).pause(1).start(2).pause(3).start(4);
clock.setTicksAtTime(10, 2.5);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(5, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(15, 0.01);
expect(clock.getTicksAtTime(4)).to.be.closeTo(15, 0.01);
expect(clock.getTicksAtTime(5)).to.be.closeTo(25, 0.01);
clock.dispose();
});
});
it("resumes from paused position with tempo scheduling", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0).pause(1).start(2);
clock.frequency.setValueAtTime(20, 0);
clock.frequency.setValueAtTime(10, 0.5);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(15, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(15, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(25, 0.01);
expect(clock.getTicksAtTime(3.5)).to.be.closeTo(30, 0.01);
clock.dispose();
});
});
it("can set a tick value at the given time", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0);
clock.setTicksAtTime(0, 1);
clock.setTicksAtTime(0, 2);
expect(clock.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(1.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(2.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(20, 0.01);
clock.dispose();
});
});
it("can get a tick position while the frequency is scheduled with setValueAtTime", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0);
clock.frequency.setValueAtTime(2, 1);
clock.setTicksAtTime(0, 1);
clock.setTicksAtTime(0, 2);
expect(clock.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(1.5)).to.be.closeTo(1, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(2.5)).to.be.closeTo(1, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(2, 0.01);
clock.dispose();
});
});
it("can get a tick position while the frequency is scheduled with linearRampTo", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0);
clock.frequency.linearRampTo(2, 1, 1);
clock.setTicksAtTime(0, 1);
clock.setTicksAtTime(10, 2);
expect(clock.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(1.5)).to.be.closeTo(7.75, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2.5)).to.be.closeTo(11, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(12, 0.01);
clock.dispose();
});
});
it("can get a tick position while the frequency is scheduled with exponentialRampTo", () => {
return Offline(() => {
const clock = new Clock(noOp, 20);
clock.start(0);
clock.frequency.exponentialRampTo(2, 1, 1);
clock.setTicksAtTime(0, 1);
clock.setTicksAtTime(10, 2);
expect(clock.getTicksAtTime(0)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(0.5)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(1)).to.be.closeTo(0, 0.01);
expect(clock.getTicksAtTime(1.5)).to.be.closeTo(5.96, 0.01);
expect(clock.getTicksAtTime(2)).to.be.closeTo(10, 0.01);
expect(clock.getTicksAtTime(2.5)).to.be.closeTo(11, 0.01);
expect(clock.getTicksAtTime(3)).to.be.closeTo(12, 0.01);
clock.dispose();
});
});
});
});