/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 * @emails react-core
 */
'use strict';

let React;
let ReactDOM;

describe('ReactError', () => {
  let globalErrorMock;

  beforeEach(() => {
    if (!__DEV__) {
      // In production, our Jest environment overrides the global Error
      // class in order to decode error messages automatically. However
      // this is a single test where we actually *don't* want to decode
      // them. So we assert that the OriginalError exists, and temporarily
      // set the global Error object back to it.
      globalErrorMock = global.Error;
      global.Error = globalErrorMock.OriginalError;
      expect(typeof global.Error).toBe('function');
    }
    jest.resetModules();
    React = require('react');
    ReactDOM = require('react-dom');
  });

  afterEach(() => {
    if (!__DEV__) {
      global.Error = globalErrorMock;
    }
  });

  if (__DEV__) {
    it('should throw errors whose name is "Invariant Violation"', () => {
      let error;
      try {
        React.useState();
      } catch (e) {
        error = e;
      }
      expect(error.name).toEqual('Invariant Violation');
    });
  } else {
    it('should error with minified error code', () => {
      expect(() => ReactDOM.render('Hi', null)).toThrowError(
        'Minified React error #200; visit ' +
          'https://reactjs.org/docs/error-decoder.html?invariant=200' +
          ' for the full message or use the non-minified dev environment' +
          ' for full errors and additional helpful warnings.',
      );
    });
    it('should serialize arguments', () => {
      function Oops() {
        return;
      }
      Oops.displayName = '#wtf';
      const container = document.createElement('div');
      expect(() => ReactDOM.render(<Oops />, container)).toThrowError(
        'Minified React error #152; visit ' +
          'https://reactjs.org/docs/error-decoder.html?invariant=152&args[]=%23wtf' +
          ' for the full message or use the non-minified dev environment' +
          ' for full errors and additional helpful warnings.',
      );
    });
  }
});
