"use strict"; const path = require("path"); const util = require("util"); const WebpackError = require("../lib/WebpackError"); describe("WebpackError", () => { class CustomError extends WebpackError { constructor(message) { super(); this.name = "CustomError"; this.message = "CustomMessage"; this.details = "CustomDetails"; Error.captureStackTrace(this, this.constructor); } } it("Should provide inspect method for use by for util.inspect", () => { const errorStr = util.inspect(new CustomError("Message")); const errorArr = errorStr.split("\n"); expect(errorArr[0]).toBe("CustomError: CustomMessage"); expect(errorArr[1]).toMatch(path.basename(__filename)); expect(errorArr[errorArr.length - 1]).toBe("CustomDetails"); }); });