nicholasandnicholas
2a1e16ed30
Reviewed-on: #14 Co-authored-by: Nicholas Ward <nicholaspward@outlook.com>
31 lines
1.0 KiB
TypeScript
31 lines
1.0 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { number, roundForDisplay, titleCase } from "./format";
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describe("display number formatting", () => {
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it("uses two decimal places for ordinary values", () => {
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expect(number(12.3456)).toBe("12.35");
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expect(roundForDisplay(12.3456)).toBe(12.35);
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});
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it("uses three decimal places for small nonzero values", () => {
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expect(number(0.0964)).toBe("0.096");
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expect(roundForDisplay(0.0964)).toBe(0.096);
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});
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it("does not add insignificant trailing zeroes", () => {
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expect(number(2)).toBe("2");
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expect(number(0)).toBe("0");
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});
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});
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describe("title case formatting", () => {
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it("capitalizes the first letter of each word without lowercasing source data", () => {
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expect(titleCase("baking powder, double-acting")).toBe("Baking Powder, Double-acting");
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expect(titleCase("USDA choice beef")).toBe("USDA Choice Beef");
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});
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it("preserves punctuation and whitespace-separated numeric tokens", () => {
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expect(titleCase("2% milk")).toBe("2% Milk");
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});
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});
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