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Code Issues Releases Activity

feat: Structured Yields (#4489)

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Co-authored-by: Kuchenpirat <24235032+Kuchenpirat@users.noreply.github.com>
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Michael Genson 2024-11-20 08:46:27 -06:00 • committed by GitHub
parent c8cd68b4f0
commit 327da02fc8
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68
frontend/composables/recipes/use-scaled-amount.test.ts Normal file
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import { describe, expect, test } from "vitest";
import { useScaledAmount } from "./use-scaled-amount";
describe("test use recipe yield", () => {
function asFrac(numerator: number, denominator: number): string {
return `<sup>${numerator}</sup><span>&frasl;</span><sub>${denominator}</sub>`;
}
test("base case", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(3);
expect(scaledAmount).toStrictEqual(3);
expect(scaledAmountDisplay).toStrictEqual("3");
});
test("base case scaled", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(3, 2);
expect(scaledAmount).toStrictEqual(6);
expect(scaledAmountDisplay).toStrictEqual("6");
});
test("zero scale", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(3, 0);
expect(scaledAmount).toStrictEqual(0);
expect(scaledAmountDisplay).toStrictEqual("");
});
test("zero quantity", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(0);
expect(scaledAmount).toStrictEqual(0);
expect(scaledAmountDisplay).toStrictEqual("");
});
test("basic fraction", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(0.5);
expect(scaledAmount).toStrictEqual(0.5);
expect(scaledAmountDisplay).toStrictEqual(asFrac(1, 2));
});
test("mixed fraction", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(1.5);
expect(scaledAmount).toStrictEqual(1.5);
expect(scaledAmountDisplay).toStrictEqual(`1${asFrac(1, 2)}`);
});
test("mixed fraction scaled", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(1.5, 9);
expect(scaledAmount).toStrictEqual(13.5);
expect(scaledAmountDisplay).toStrictEqual(`13${asFrac(1, 2)}`);
});
test("small scale", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(1, 0.125);
expect(scaledAmount).toStrictEqual(0.125);
expect(scaledAmountDisplay).toStrictEqual(asFrac(1, 8));
});
test("small qty", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(0.125);
expect(scaledAmount).toStrictEqual(0.125);
expect(scaledAmountDisplay).toStrictEqual(asFrac(1, 8));
});
test("rounded decimal", () => {
const { scaledAmount, scaledAmountDisplay } = useScaledAmount(1.3344559997);
expect(scaledAmount).toStrictEqual(1.334);
expect(scaledAmountDisplay).toStrictEqual(`1${asFrac(1, 3)}`);
});
});