tests/step1parts.test.js

import { describe, it, expect } from "vitest";
import { INSTANCES } from "./api.js";
const { step1 } = INSTANCES;
/** @test {Step1Parts} */
describe("Step1Parts", () => {
  /** @test {Step1Parts#schema} */
  it("schema yields parts, tempo and part with sane defaults; renders BPM markup via tempo.format", () => {
    const params = step1.schema();
    const parts = params.find((p) => p.name === "parts");
    expect(parts).toMatchObject({ default: 1, min: 1, max: 5 });
    const tempo = params.find((p) => p.name === "tempo");
    expect(tempo).toMatchObject({ default: 120, min: 30, max: 210 });
    expect(tempo.format(120)).toContain("120");
    expect(tempo.format(120)).toContain("BPM");
    const part = params.find((p) => p.name === "part");
    expect(part.type).toBe("nested");
    expect(part.defaults).toHaveLength(5);
    expect(part.defaults.find((d) => d.label === "B").bars).toBe(5);
    expect(part.defaults.find((d) => d.label === "C").bars).toBe(6);
    expect(part.defaults.find((d) => d.label === "A").bars).toBe(4);
  });
});