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create useDynamicTabs.test.js
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‎src/useDynamicTabs/useDynamicTabs.test.js

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import React, { useState } from "react"
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import { render, unmountComponentAtNode } from "react-dom";
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import { act } from "react-dom/test-utils";
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import TabList from "../tabList/tabList";
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import PanelList from "../panelList/panelList.js";
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import reducer from "../utils/stateManagement/reducer";
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import Api from '../utils/api';
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import { ApiContext, StateContext, ForceUpdateContext } from "../utils/context.js";
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import useDynTabs from './useDynamicTabs.js';
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let container = document.createElement("div");
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let op = '';//options
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let renderApp;
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beforeAll(() => {
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document.body.appendChild(container);
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});
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beforeEach(() => {
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op = {
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tabs: [{
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id: '1',
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title: 'mock tab 1',
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closable: true,
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panelComponent: <p>tab1 content</p>
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}, {
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id: '2',
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title: 'mock tab 2',
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iconClass: 'ui-icon ui-icon-seek-end',
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closable: false,
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panelComponent: <p>tab2 content</p>
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}, {
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id: '3',
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title: 'mock tab 3',
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iconClass: 'ui-icon ui-icon-seek-end',
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closable: false,
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panelComponent: <p>tab3 content</p>
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}],
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selectedTabID: '1',
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accessibility: true,
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onSelect: jest.fn(function () { }),
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onChange: jest.fn(function () { }),
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onInit: jest.fn(function () { }),
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onClose: jest.fn(function () { }),
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onOpen: jest.fn(function () { }),
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onLoad: jest.fn(function () { }),
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beforeClose: jest.fn(function () { }),
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beforeSelect: jest.fn(function () { })
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};
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renderApp = (getDeps, rerender) => {
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const App = function (props) {
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const [Tablist, Panellist, ready] = useDynTabs(getDeps, op);
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return (
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<div>
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<Tablist></Tablist>
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<Panellist></Panellist>
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</div>
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);
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};
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act(() => {
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render(<App></App>, container);
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});
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rerender && act(() => {
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render(<App></App>, container);
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});
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};
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});
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afterEach(() => {
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unmountComponentAtNode(container);
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container.innerHTML = "";
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renderApp = null;
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});
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afterAll(() => {
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document.body.removeChild(container);
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container = null;
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});
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describe("checking number of tabs renders : ", () => {
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test("each tab should be rendered once initially", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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const updateStateRef = api.updateStateRef;
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api.updateStateRef = jest.fn(function () { updateStateRef.apply(api, arguments); return api; });
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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expect(_api.updateStateRef.mock.calls.length).toBe(1);
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});
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test("tabs should not be rendered when parent component is re-rendered", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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const updateStateRef = api.updateStateRef;
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api.updateStateRef = jest.fn(function () { updateStateRef.apply(api, arguments); return api; });
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps, true);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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expect(_api.updateStateRef.mock.calls.length).toBe(2);
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});
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test("only current selected and previously selected tabs should be rendered after switching", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.select('2'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(2);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('1');
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[1][0]).toBe('2');
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});
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test("tabs should not be rendered after selecting a tab twice", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.select('1'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(0);
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});
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test("only opened tab should be rendered after opening a new tab", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.open({ id: '4', title: 'tab4' }); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(1);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('4');
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});
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test("tabs should not be rendered after closing a none selected tab", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.close('3'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(0);
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});
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test("only new selected tab should be rendered after closing a selected tab with switching", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.close('1'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(1);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('2');
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});
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test('all tabs should be render after calling refresh method', () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList: props => null, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.refresh(); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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});
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});
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describe("checking number of panels renders : ", () => {
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test("each panel should be rendered once initially", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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const updateStateRef = api.updateStateRef;
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api.updateStateRef = jest.fn(function () { updateStateRef.apply(api, arguments); return api; });
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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expect(_api.updateStateRef.mock.calls.length).toBe(1);
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});
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test("panels should not be rendered when parent component is re-rendered", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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const updateStateRef = api.updateStateRef;
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api.updateStateRef = jest.fn(function () { updateStateRef.apply(api, arguments); return api; });
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps, true);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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expect(_api.updateStateRef.mock.calls.length).toBe(2);
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});
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test("only current selected and previously selected panels should be rendered after switching", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.select('2'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(2);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('1');
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[1][0]).toBe('2');
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});
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test("panels should not be rendered after selecting a tab twice", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.select('1'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(0);
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});
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test("only panle of opened tab should be rendered after opening a new tab", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.open({ id: '4', title: 'tab4' }); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(1);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('4');
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});
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test("panels should not be rendered after closing a none selected tab", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.close('3'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(0);
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});
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test("only panel of new selected tab should be rendered after closing a selected tab with switching", () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.close('1'); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(1);
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls[0][0]).toBe('2');
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});
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test('all panels should be render after calling refresh method', () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList: props => null, ApiContext, StateContext, ForceUpdateContext };
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};
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renderApp(getDeps);
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_api.optionsManager.setting.panelIdTemplate = jest.fn(id => id);
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act(() => { _api.refresh(); });
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expect(_api.optionsManager.setting.panelIdTemplate.mock.calls.length).toBe(3);
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});
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});
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describe('output : ', () => {
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test('it returns TabList, PanelList and ready function with a same referenc after rendering multiple times', () => {
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let _api;
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const getApiInstance = function (op) {
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const api = new Api({ options: op });
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_api = api;
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return api;
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};
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const getDeps = function () {
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return { reducer, getApiInstance, PanelList, TabList, ApiContext, StateContext, ForceUpdateContext };
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};
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let counter = 0, firstReady, secondReady, firstTabList, secondTabList, firstPanelList, secondPanelList;
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const App = function (props) {
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const [TabList, PanelList, ready] = useDynTabs(getDeps, op);
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if (counter === 0) {
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firstPanelList = PanelList;
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firstReady = ready;
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firstTabList = TabList;
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} else {
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secondPanelList = PanelList;
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secondReady = ready;
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secondTabList = TabList;
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}
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counter++;
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return (
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<div>
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<TabList></TabList>
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<PanelList></PanelList>
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</div>
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);
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};
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act(() => { render(<App></App>, container); });
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act(() => { _api.refresh(); });
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expect(firstTabList).toBe(secondTabList);
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expect(firstReady).toBe(secondReady);
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expect(firstPanelList).toBe(secondPanelList);
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});
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});

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