mirror of
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326 lines
5.6 KiB
JavaScript
326 lines
5.6 KiB
JavaScript
import expect from 'expect';
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import todos from '../../reducers/todos';
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import * as types from '../../constants/ActionTypes';
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describe('todos reducer', () => {
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it('should handle initial state', () => {
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expect(todos(undefined, {})).toEqual([
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle ADD_TODO', () => {
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expect(
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todos([], {
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type: types.ADD_TODO,
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text: 'Run the tests',
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})
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).toEqual([
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{
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text: 'Run the tests',
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completed: false,
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id: 0,
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},
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]);
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expect(
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todos(
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[
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.ADD_TODO,
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text: 'Run the tests',
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}
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)
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).toEqual([
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.ADD_TODO,
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text: 'Fix the tests',
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}
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)
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).toEqual([
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{
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text: 'Fix the tests',
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completed: false,
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id: 2,
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},
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle DELETE_TODO', () => {
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.DELETE_TODO,
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id: 1,
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}
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)
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).toEqual([
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle EDIT_TODO', () => {
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.EDIT_TODO,
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text: 'Fix the tests',
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id: 1,
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}
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)
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).toEqual([
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{
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text: 'Fix the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle COMPLETE_TODO', () => {
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.COMPLETE_TODO,
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id: 1,
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}
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)
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).toEqual([
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{
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text: 'Run the tests',
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completed: true,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle COMPLETE_ALL', () => {
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: true,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.COMPLETE_ALL,
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}
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)
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).toEqual([
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{
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text: 'Run the tests',
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completed: true,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: true,
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id: 0,
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},
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]);
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// Unmark if all todos are currently completed
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: true,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: true,
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id: 0,
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},
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],
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{
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type: types.COMPLETE_ALL,
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}
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)
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).toEqual([
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{
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text: 'Run the tests',
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completed: false,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should handle CLEAR_COMPLETED', () => {
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expect(
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todos(
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[
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{
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text: 'Run the tests',
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completed: true,
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id: 1,
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},
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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],
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{
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type: types.CLEAR_COMPLETED,
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}
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)
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).toEqual([
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{
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text: 'Use Redux',
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completed: false,
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id: 0,
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},
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]);
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});
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it('should not generate duplicate ids after CLEAR_COMPLETED', () => {
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expect(
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[
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{
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type: types.COMPLETE_TODO,
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id: 0,
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},
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{
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type: types.CLEAR_COMPLETED,
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},
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{
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type: types.ADD_TODO,
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text: 'Write more tests',
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},
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].reduce(todos, [
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{
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id: 0,
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completed: false,
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text: 'Use Redux',
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},
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{
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id: 1,
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completed: false,
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text: 'Write tests',
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},
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])
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).toEqual([
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{
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text: 'Write more tests',
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completed: false,
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id: 2,
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},
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{
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text: 'Write tests',
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completed: false,
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id: 1,
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},
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]);
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});
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});
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