import { describe, expect, it } from "vitest"; import { ArticleNotFoundError } from "./article"; import { InputParseError } from "./common"; describe("ArticleNotFoundError", () => { it("uses the default message when none is given", () => { const err = new ArticleNotFoundError(); expect(err).toBeInstanceOf(Error); expect(err.message).toBe("Article not found"); }); it("uses a custom message when provided", () => { const err = new ArticleNotFoundError("could not find article abc"); expect(err.message).toBe("could not find article abc"); }); }); describe("InputParseError", () => { it("is an instance of Error with the given message", () => { const err = new InputParseError("invalid input"); expect(err).toBeInstanceOf(Error); expect(err.message).toBe("invalid input"); }); });