import commentReducer from 'CommentSection/reducer';
import * as ActionTypes from 'CommentSection/constants';
import { action } from 'typesafe-actions';

describe('regMonReducer', () => {
  it('should initialize the initial state', () => {
    const createdAction = action(
      ActionTypes.FETCH_COMMENTS_FAILURE,
    );

    const state = commentReducer(undefined, createdAction);

    expect(state.comments).toEqual([]);
    expect(state.users).toEqual([]);
  });

  it('should save comments in state', () => {
    const createdAt = (new Date()).toString();
    const testData = {
      message: 'test',
      author: 'testAuth',
      authorId: 'testId',
      createdDate: createdAt,
      isOwner: false,
    };
    const createdAction = action(
      ActionTypes.FETCH_COMMENTS_SUCCESS,
      {
        comments: [{
          ...testData,
          id: '1',
        }, {
          ...testData,
          id: '2',
        }],
      },
    );

    const state = commentReducer(undefined, createdAction);

    const comment = state.comments[0];
    const input = testData;
    expect(comment.author).toEqual(input.author);
    expect(comment.createdDate).toEqual(createdAt);
    expect(comment.message).toEqual(input.message);
  });
  it('should save users in state', () => {
    const testData = {
      username: 'test',
      firstName: 'testFirst',
      lastName: 'testLast',
    };
    const createdActionUser = action(
      ActionTypes.FETCH_USERS_SUCCESS,
      {
        users: [{
          ...testData,
          id: '1',
        }, {
          ...testData,
          id: '2',
        }],
      },
    );

    const state = commentReducer(undefined, createdActionUser);

    const user = state.users[0];
    const input = testData;
    expect(user.username).toEqual(input.username);
    expect(user.firstName).toEqual(input.firstName);
    expect(user.lastName).toEqual(input.lastName);
  });
});