import { isApiError, toApiError } from "@/lib/errors"
import { describe, expect, it } from "vitest"

describe("lib/errors", () => {
  describe("toApiError", () => {
    it("passes through {code,msg} ApiError", () => {
      const err = { code: 400, msg: "bad request" }
      expect(isApiError(err)).toBe(true)

      try {
        throw err
      } catch (e) {
        expect(toApiError(e)).toBe(err)
      }
    })

    it("converts Error to safe {code,msg}", () => {
      expect(toApiError(new Error("x"))).toEqual({ code: 500, msg: "x" })
    })

    it("converts string to safe {code,msg}", () => {
      expect(toApiError("x")).toEqual({ code: 500, msg: "x" })
    })

    it("converts unknown input to safe {code,msg}", () => {
      expect(toApiError(null)).toEqual({ code: 500, msg: "Unknown error" })
    })
  })
})