import { expect } from "chai";
import { describe, it } from "mocha";
import { ALL_LOSSES } from "../../../src";
import { randDouble } from "../../../src";

describe("Loss", () => {
  Object.values(ALL_LOSSES).forEach((loss) => {
    describe(`Loss.${loss.constructor.name}()`, () => {
      const targets: number[] = [randDouble(-50, 50), randDouble(-50, 50), randDouble(-50, 50)];
      const outputs: number[] = [randDouble(-50, 50), randDouble(-50, 50), randDouble(-50, 50)];

      it(`Loss.${loss.constructor.name}(targets=[${targets}], outputs=[${outputs}]) => {number}`, () => {
        expect(loss(targets, outputs)).to.be.a("number");
        expect(Number.isFinite(loss(targets, outputs))).to.be.true;
      });
    });
  });
});