/**

 * Copyright (c) Meta Platforms, Inc. and affiliates.

 *

 * This source code is licensed under the MIT license found in the

 * LICENSE file in the root directory of this source tree.

 */

'use strict';

const {evalStringConcat} = require('../evalToString');

const parser = require('@babel/parser');

const parse = source => parser.parse(`(${source});`).program.body[0].expression; // quick way to get an exp node

const parseAndEval = source => evalStringConcat(parse(source));

describe('evalToString', () => {

  it('should support StringLiteral', () => {

    expect(parseAndEval(`'foobar'`)).toBe('foobar');

    expect(parseAndEval(`'yowassup'`)).toBe('yowassup');

  });

  it('should support string concat (`+`)', () => {

    expect(parseAndEval(`'foo ' + 'bar'`)).toBe('foo bar');

  });

  it('should throw when it finds other types', () => {

    expect(() => parseAndEval(`'foo ' + true`)).toThrowError(

      /Unsupported type/

    );

    expect(() => parseAndEval(`'foo ' + 3`)).toThrowError(/Unsupported type/);

    expect(() => parseAndEval(`'foo ' + null`)).toThrowError(

      /Unsupported type/

    );

    expect(() => parseAndEval(`'foo ' + undefined`)).toThrowError(

      /Unsupported type/

    );

  });

});