// cf http://redux.js.org/docs/recipes/WritingTests.html

import Immutable from 'immutable';

import uuidV1 from 'uuid/v1';

import reducer from '../notesReducer'

import * as types from '../../constants/ActionTypes'

import noteRecord from '../../store/noteRecord';

describe('note reducer', () => {

  it('should return the initial state', () => {

    expect(

      reducer(undefined, {})

    ).toEqual(Immutable.List([]))

  });

  it('should handle ADD_NOTE', () => {

    const newId = uuidV1();

    expect(

      reducer(Immutable.List([]), {

        type: types.ADD_NOTE,

        note: {

          id: newId,

          text: 'Run the tests'

        }

      })

    ).toEqual(

      Immutable.List([

        new noteRecord({

          id: newId,

          text: 'Run the tests',

        })

      ])

    );

    const initialStore = Immutable.List([

        new noteRecord({

          id: uuidV1(),

          text: 'origial note',

        })

    ]);

    expect(

      reducer(initialStore, {

        type: types.ADD_NOTE,

        note: {

          id: newId,

          text: 'Run the tests'

        }

      })

    ).toEqual(

      initialStore.push(

        new noteRecord({

          id: newId,

          text: 'Run the tests',

        })

      )

    );

  });

});

//     expect(

//       reducer(

//         [

//           {

//             text: 'Use Redux',

//             completed: false,

//             id: 0

//           }

//         ],

//         {

//           type: types.ADD_TODO,

//           text: 'Run the tests'

//         }

//       )

//     ).toEqual(

//       [

//         {

//           text: 'Run the tests',

//           completed: false,

//           id: 1

//         },

//         {

//           text: 'Use Redux',

//           completed: false,

//           id: 0

//         }

//       ]

//     )