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https://github.com/Tonejs/Tone.js
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aaf880c925
* WIP moving tests to web-test-runner * updating thresholds * Adding file extensions * Testing integrations * linting * fixing dep * moving back to root dir * prettier all of the files * updating eslint rules to use with prettier * remove import package * moving tsignore around * removing unneeded ignores * all tests run on puppeteer, no need for testing guards * linting * import type syntax * cleaning up * Update package.json
87 lines
3.2 KiB
TypeScript
87 lines
3.2 KiB
TypeScript
import { expect } from "chai";
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import { StateTimeline } from "./StateTimeline.js";
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describe("StateTimeline", () => {
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it("can be created and disposed", () => {
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const sched = new StateTimeline();
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sched.dispose();
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});
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it("can schedule a state at a given time", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("started", 0);
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sched.setStateAtTime("stopped", 1);
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sched.setStateAtTime("started", 1);
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sched.dispose();
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});
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it("can get a state at a given time", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("started", 0);
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sched.setStateAtTime("stopped", 1);
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sched.setStateAtTime("started", 2);
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expect(sched.getValueAtTime(1)).to.equal("stopped");
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expect(sched.getValueAtTime(0.999)).to.equal("started");
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sched.dispose();
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});
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it("returns initial state if it's before any scheduled states", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("started", 0);
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sched.setStateAtTime("stopped", 1);
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sched.setStateAtTime("started", 2);
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expect(sched.getValueAtTime(-11)).to.equal("stopped");
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sched.dispose();
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});
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it("returns the last event inserted if the timing is very close", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("stopped", 1 + 1e-7);
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sched.setStateAtTime("started", 1 - 1e-7);
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expect(sched.getValueAtTime(1 - 1e-7)).to.equal("started");
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sched.dispose();
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});
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it("returns initial state if defined and query time is before any scheduled states", () => {
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const sched = new StateTimeline("started");
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sched.setStateAtTime("started", 20);
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sched.setStateAtTime("stopped", 21);
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sched.setStateAtTime("started", 22);
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expect(sched.getValueAtTime(0)).is.equal("started");
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sched.dispose();
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});
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it("gets the last occurance of the state at or before the given time", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("started", 0);
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sched.setStateAtTime("stopped", 1);
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sched.setStateAtTime("started", 2);
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sched.setStateAtTime("stopped", 3);
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expect(sched.getLastState("stopped", 1)).to.exist;
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expect(sched.getLastState("stopped", 1)?.state).is.equal("stopped");
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expect(sched.getLastState("stopped", 2)).to.exist;
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expect(sched.getLastState("stopped", 2)?.state).is.equal("stopped");
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expect(sched.getLastState("stopped", 2)?.time).is.equal(1);
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expect(sched.getLastState("stopped", 0.9)?.time).to.equal(0);
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expect(sched.getLastState("stopped", 4)?.state).is.equal("stopped");
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expect(sched.getLastState("stopped", 4)?.time).is.equal(3);
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sched.dispose();
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});
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it("gets the next occurance of the state at or before the given time", () => {
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const sched = new StateTimeline();
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sched.setStateAtTime("started", 0);
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sched.setStateAtTime("stopped", 1);
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sched.setStateAtTime("started", 2);
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sched.setStateAtTime("stopped", 3);
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expect(sched.getNextState("stopped", 1)).to.exist;
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expect(sched.getNextState("stopped", 1)?.state).is.equal("stopped");
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expect(sched.getNextState("stopped", 2)).to.exist;
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expect(sched.getNextState("stopped", 2)?.state).is.equal("stopped");
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expect(sched.getNextState("stopped", 2)?.time).is.equal(3);
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expect(sched.getNextState("stopped", 0.9)).to.exist;
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expect(sched.getNextState("stopped", 0.9)?.state).is.equal("stopped");
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expect(sched.getNextState("stopped", 0.9)?.time).is.equal(1);
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sched.dispose();
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});
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});
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