/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */

// @flow

import { wrapExpression, getValue } from "../expressions";
import { makeMockExpression } from "../test-mockup";

function createError(type, preview) {
  return makeMockExpression({
    result: { getGrip: () => ({ class: type, isError: true, preview }) },
  });
}

describe("expressions", () => {
  describe("wrap exxpression", () => {
    it("should wrap an expression", () => {
      expect(wrapExpression("foo")).toMatchSnapshot();
    });

    it("should wrap expression with a comment", () => {
      expect(wrapExpression("foo // yo yo")).toMatchSnapshot();
    });

    it("should wrap quotes", () => {
      expect(wrapExpression('"2"')).toMatchSnapshot();
    });
  });

  describe("sanitize input", () => {
    it("sanitizes quotes", () => {
      expect('foo"').toEqual('foo"');
    });

    it("sanitizes 2 quotes", () => {
      expect('"3"').toEqual('"3"');
    });

    it("evaluates \\u{61} as a", () => {
      expect("\u{61}").toEqual("a");
    });

    it("evaluates N\\u{61}N as NaN", () => {
      expect("N\u{61}N").toEqual("NaN");
    });
  });

  describe("getValue", () => {
    it("Reference Errors should be shown as (unavailable)", () => {
      expect(
        getValue(createError("ReferenceError", { name: "ReferenceError" }))
      ).toEqual({
        unavailable: true,
      });
    });

    it("Errors messages should be shown", () => {
      expect(
        getValue(createError("Error", { name: "Foo", message: "YO" }))
      ).toEqual("Foo: YO");
    });
  });
});