import type { Specs } from "../types";
import getOrigin from "./getOrigin";

describe("getOrigin", () => {
  it("returns origin if truthy", () => {
    const origin = "some-origin";
    const specs: Specs = {
      openapi: "3.0.0",
      info: { title: "", description: "", version: "" },
      paths: {},
    };

    expect(getOrigin(origin, specs)).toEqual("some-origin");
  });
  it("throws if origin is falsy and the specs precises no server URL", () => {
    const origin = null;
    const specs: Specs = {
      openapi: "3.0.0",
      info: { title: "", description: "", version: "" },
      paths: {},
    };

    expect(() => getOrigin(origin, specs)).toThrow("[oa-client:3]");
  });
  it("returns specs.servers[0].url if it exists and origin is falsy", () => {
    const origin = null;
    const specs: Specs = {
      openapi: "3.0.0",
      info: { title: "", description: "", version: "" },
      paths: {},
      servers: [{ url: "some-url" }],
    };

    expect(getOrigin(origin, specs)).toEqual("some-url");
  });
});