import getOS from "../src/get-os"; describe("getOS", () => { test("test", () => { expect(getOS("linux")).toBe("Linux"); expect(getOS("darwin")).toBe("macOS"); expect(getOS("win32")).toBe("Windows"); }); test("test exception", () => { // expect(() => { // getOS("win32"); // }).toThrowError("Windows is not supported"); expect(() => { getOS("centos"); }).toThrowError("centos is not supported"); }); });