"use strict"; const AbstractMethodError = require("../lib/AbstractMethodError"); describe("WebpackError", () => { class Foo { abstractMethod() { return new AbstractMethodError(); } } class Child extends Foo {} const expectedMessage = "Abstract method $1. Must be overridden."; it("should construct message with caller info", () => { const fooClassError = new Foo().abstractMethod(); const childClassError = new Child().abstractMethod(); expect(fooClassError.message).toBe( expectedMessage.replace("$1", "Foo.abstractMethod") ); expect(childClassError.message).toBe( expectedMessage.replace("$1", "Child.abstractMethod") ); }); });