webviews/logging/test/field.test.ts

// Copyright 2022 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import chai from 'chai'; // not esm
import * as constant from '../src/constants';
import { copyHeaderConst } from '../src/fields';

before(() => {
  chai.should();
});

describe('copyHeaderConst', () => {
  it('makes a deep copy of the constant', () => {
    let test = copyHeaderConst();
    test.should.deep.equal(constant.LOGS_HEADERS);
  });

  it('will not change values in original reference', () => {
    let test = copyHeaderConst();
    test['message'].displayName = 'Not-Message';
    constant.LOGS_HEADERS['message'].displayName.should.deep.equal('Message');
    test['message'].displayName.should.deep.equal('Not-Message');
    test.should.not.deep.equal(constant.LOGS_HEADERS);
  });
});