const { kFormatter, encodeHTML, renderError } = require("../src/utils"); describe("Test utils.js", () => { it("should test kFormatter", () => { expect(kFormatter(1)).toBe(1); expect(kFormatter(-1)).toBe(-1); expect(kFormatter(500)).toBe(500); expect(kFormatter(1000)).toBe("1k"); expect(kFormatter(10000)).toBe("10k"); expect(kFormatter(12345)).toBe("12.3k"); expect(kFormatter(9900000)).toBe("9900k"); }); it("should test encodeHTML", () => { expect(encodeHTML(`hello world<,.#4^&^@%!))`)).toBe( "<html>hello world<,.#4^&^@%!))" ); }); it("should test renderError", () => { document.body.innerHTML = renderError("Something went wrong"); expect(document.getElementById("message").textContent).toBe( "Something went wrong" ); }); });