How to use container method in testing-library-react-hooks

Best JavaScript code snippet using testing-library-react-hooks

window.js

Source:window.js

1/*!2 * Ext JS Library 3.2.23 * Copyright(c) 2006-2010 Ext JS, Inc.4 * licensing@extjs.com5 * http://www.extjs.com/license6 */7/**8 * Creates a window with 40 tabs, profiles initial rendering speed and resize rendering speed9 */10function addWindowPerformanceTest() {11        Ext.test.profiler.add({12        name      : 'AnchorLayout',13        skipVersions: ['2.2.0', '3.1.0'],14        iterations: 1000,15        newWindow : true,16        beforeAll : function() {17            this.previousBuffer = Ext.Container.bufferResize;18            Ext.Container.bufferResize = false;19        },20        afterAll : function() {21            Ext.Container.bufferResize = this.previousBuffer;22        },23        execute   : function() {24            this.win = new Ext.Viewport({25                layout: 'fit',26                items: [{27                    xtype: 'container',28                    layout: 'form',29                    items: [{30                        xtype: 'textfield',31                        width: 10032                    }, {33                        xtype: 'textfield',34                        anchor: '100%'35                    },36                    {37                        xtype: 'textfield',38                        anchor: '100%'39                    },40                    {41                        xtype: 'textfield',42                        anchor: '100%'43                    },44                    {45                        xtype: 'textfield',46                        anchor: '100%'47                    },48                    {49                        xtype: 'textfield',50                        anchor: '100%'51                    },52                    {53                        xtype: 'textfield',54                        anchor: '100%'55                    },56                    {57                        xtype: 'textfield',58                        anchor: '100%'59                    },60                    {61                        xtype: 'textfield',62                        anchor: '100%'63                    },64                    {65                        xtype: 'textfield',66                        anchor: '100%'67                    },68                    {69                        xtype: 'textfield',70                        anchor: '100%'71                    },72                    {73                        xtype: 'textfield',74                        anchor: '100%'75                    },76                    {77                        xtype: 'textfield',78                        anchor: '100%'79                    },80                    {81                        xtype: 'textfield',82                        anchor: '100%'83                    },84                    {85                        xtype: 'textfield',86                        anchor: '100%'87                    },88                    {89                        xtype: 'textfield',90                        anchor: '100%'91                    },92                    {93                        xtype: 'textfield',94                        anchor: '100%'95                    },96                    {97                        xtype: 'textfield',98                        anchor: '100%'99                    },100                    {101                        xtype: 'textfield',102                        anchor: '100%'103                    },104                    {105                        xtype: 'textfield',106                        anchor: '100%'107                    },108                    {109                        xtype: 'textfield',110                        anchor: '100%'111                    },112                    {113                        xtype: 'textfield',114                        width: 100115                    }]116                }]117            });118        },119        afterEach: function() {120          this.win.destroy();121        }122    });123/*124    Ext.test.profiler.add({125        name      : 'ColumnLayout',126        skipVersions: ['2.2.0'],127        iterations: 50,128        newWindow : true,129        beforeAll : function() {130            this.previousBuffer = Ext.Container.bufferResize;131            Ext.Container.bufferResize = false;132        },133        afterAll : function() {134            Ext.Container.bufferResize = this.previousBuffer;135        },136        execute   : function() {137            this.win = new Ext.Viewport({138                layout: 'fit',139                items: [{140                    xtype: 'container',141                    layout: 'column',142                    defaults: {143                        height: 30144                    },145                    items: [{146                        xtype: 'container',147                        width: 100148                    }, {149                        xtype: 'container',150                        columnWidth: .05151                    },152                    {153                        xtype: 'container',154                        columnWidth: .05155                    },156                    {157                        xtype: 'container',158                        columnWidth: .05159                    },160                    {161                        xtype: 'container',162                        columnWidth: .05163                    },164                    {165                        xtype: 'container',166                        columnWidth: .05167                    },168                    {169                        xtype: 'container',170                        columnWidth: .05171                    },172                    {173                        xtype: 'container',174                        columnWidth: .05175                    },176                    {177                        xtype: 'container',178                        columnWidth: .05179                    },180                    {181                        xtype: 'container',182                        columnWidth: .05183                    },184                    {185                        xtype: 'container',186                        columnWidth: .05187                    },188                    {189                        xtype: 'container',190                        columnWidth: .05191                    },192                    {193                        xtype: 'container',194                        columnWidth: .05195                    },196                    {197                        xtype: 'container',198                        columnWidth: .05199                    },200                    {201                        xtype: 'container',202                        columnWidth: .05203                    },204                    {205                        xtype: 'container',206                        columnWidth: .05207                    },208                    {209                        xtype: 'container',210                        columnWidth: .05211                    },212                    {213                        xtype: 'container',214                        columnWidth: .05215                    },216                    {217                        xtype: 'container',218                        columnWidth: .05219                    },220                    {221                        xtype: 'container',222                        columnWidth: .05223                    },224                    {225                        xtype: 'container',226                        columnWidth: .05227                    },228                    {229                        xtype: 'container',230                        width: 100231                    }]232                }]233            });234        },235        afterEach: function() {236          this.win.destroy();237        }238    });239    Ext.test.profiler.add({240        name      : 'HBoxLayout',241        skipVersions: ['2.2.0'],242        iterations: 50,243        newWindow : true,244        beforeAll : function() {245            this.previousBuffer = Ext.Container.bufferResize;246            Ext.Container.bufferResize = false;247        },248        afterAll : function() {249            Ext.Container.bufferResize = this.previousBuffer;250        },251        execute   : function() {252            this.win = new Ext.Viewport({253                layout: 'fit',254                items: [{255                    xtype: 'container',256                    layout: 'hbox',257                    layoutConfig: {258                        align: 'stretch'259                    },260                    items: [{261                        xtype: 'container',262                        width: 100263                    }, {264                        xtype: 'container',265                        flex: 1266                    },267                    {268                        xtype: 'container',269                        flex: 2270                    },271                    {272                        xtype: 'container',273                        flex: 3274                    },275                    {276                        xtype: 'container',277                        flex: 1278                    },279                    {280                        xtype: 'container',281                        flex: 2282                    },283                    {284                        xtype: 'container',285                        flex: 3286                    },287                    {288                        xtype: 'container',289                        flex: 1290                    },291                    {292                        xtype: 'container',293                        flex: 2294                    },295                    {296                        xtype: 'container',297                        flex: 3298                    },299                    {300                        xtype: 'container',301                        flex: 1302                    },303                    {304                        xtype: 'container',305                        flex: 2306                    },307                    {308                        xtype: 'container',309                        flex: 3310                    },311                    {312                        xtype: 'container',313                        flex: 1314                    },315                    {316                        xtype: 'container',317                        flex: 2318                    },319                    {320                        xtype: 'container',321                        flex: 3322                    },323                    {324                        xtype: 'container',325                        flex: 1326                    },327                    {328                        xtype: 'container',329                        flex: 2330                    },331                    {332                        xtype: 'container',333                        flex: 3334                    },335                    {336                        xtype: 'container',337                        flex: 1338                    },339                    {340                        xtype: 'container',341                        flex: 2342                    },343                    {344                        xtype: 'container',345                        flex: 3346                    },347                    {348                        xtype: 'container',349                        flex: 1350                    },351                    {352                        xtype: 'container',353                        flex: 2354                    },355                    {356                        xtype: 'container',357                        flex: 3358                    },359                    {360                        xtype: 'container',361                        flex: 1362                    },363                    {364                        xtype: 'container',365                        flex: 2366                    },367                    {368                        xtype: 'container',369                        flex: 3370                    },371                    {372                        xtype: 'container',373                        flex: 1374                    },375                    {376                        xtype: 'container',377                        flex: 2378                    },379                    {380                        xtype: 'container',381                        flex: 3382                    },383                    {384                        xtype: 'container',385                        flex: 1386                    },387                    {388                        xtype: 'container',389                        flex: 2390                    },391                    {392                        xtype: 'container',393                        flex: 3394                    },395                    {396                        xtype: 'container',397                        flex: 1398                    },399                    {400                        xtype: 'container',401                        flex: 2402                    },403                    {404                        xtype: 'container',405                        flex: 3406                    },407                    {408                        xtype: 'container',409                        flex: 1410                    },411                    {412                        xtype: 'container',413                        flex: 2414                    },415                    {416                        xtype: 'container',417                        flex: 3418                    },419                    {420                        xtype: 'container',421                        flex: 1422                    },423                    {424                        xtype: 'container',425                        flex: 2426                    },427                    {428                        xtype: 'container',429                        flex: 3430                    },431                    {432                        xtype: 'container',433                        flex: 1434                    },435                    {436                        xtype: 'container',437                        flex: 2438                    },439                    {440                        xtype: 'container',441                        flex: 3442                    },443                    {444                        xtype: 'container',445                        flex: 1446                    },447                    {448                        xtype: 'container',449                        flex: 2450                    },451                    {452                        xtype: 'container',453                        flex: 3454                    },455                    {456                        xtype: 'container',457                        width: 100458                    }]459                }]460            });461      } ,462        afterEach: function() {463          this.win.destroy();464        }465    });466*/467};468if (typeof Ext != 'undefined' && typeof Ext.test != 'undefined') {469    addWindowPerformanceTest();470} else {471    Ext.onReady(addWindowPerformanceTest);...

manualSpec.js

Source:manualSpec.js

...67        if (container == null) {68            container = this.document.createElement('div');69            container.setAttribute('id', this.userControlsContainerID);70            container.setAttribute('class', 'userControlsContainer');71            this.container().appendChild(container);72        }73        return container;74    };75    instance.goalsContainer = function () {76        if (this.goalsContainerId == null) {77            this.goalsContainerId = this.nextId()78        }79        var container = this.document.getElementById(this.goalsContainerId);80        if (container == null) {81            container = this.document.createElement('div');82            container.setAttribute('id', this.goalsContainerId);83            container.setAttribute('class', "goalsContainer");84            this.container().appendChild(container);85            this.setContainerTitle(container, "Goals");86        }87        return container;88    };89    instance.preconditionsContainer = function () {90        if (this.preconditionsContainerID == null) {91            this.preconditionsContainerID = this.nextId()92        }93        var container = this.document.getElementById(this.preconditionsContainerID);94        if (container == null) {95            container = this.document.createElement('div');96            container.setAttribute('id', this.preconditionsContainerID);97            container.setAttribute('class', "preconditionsContainer");98            this.container().appendChild(container);99            this.setContainerTitle(container, "Preconditions");100        }101        return container;102    };103    instance.stepsContainer = function () {104        if (this.stepsContainerID == null) {105            this.stepsContainerID = this.nextId()106        }107        var container = this.document.getElementById(this.stepsContainerID);108        if (container == null) {109            container = this.document.createElement('div');110            container.setAttribute('id', this.stepsContainerID);111            container.setAttribute('class', "stepsContainer");112            this.container().appendChild(container);113            this.setContainerTitle(container, "Steps");114        }115        return container;116    };117    instance.expectationsContainer = function () {118        if (this.expectationsContainerID == null) {119            this.expectationsContainerID = this.nextId()120        }121        var container = this.document.getElementById(this.expectationsContainerID);122        if (container == null) {123            container = this.document.createElement('div');124            container.setAttribute('id', this.expectationsContainerID);125            container.setAttribute('class', "expectationsContainer");126            this.container().appendChild(container);127            this.setContainerTitle(container, "Expectations");128        }129        return container;130    };131    instance.resultsContainer = function () {132        if (this.resultsContainerID == null) {133            this.resultsContainerID = this.nextId()134        }135        var container = this.document.getElementById(this.resultsContainerID);136        if (container == null) {137            container = this.document.createElement('div');138            container.setAttribute('id', this.resultsContainerID);139            container.setAttribute('class', "resultsContainer");140            this.container().insertBefore(container, this.userControlsContainer());141            this.setContainerTitle(container, "Results");142        }143        return container;144    };145    instance.hasGoals = function () {146        return this.goals.length != 0;147    }148    instance.hasPreconditions = function () {149        return this.preconditions.length != 0;150    }151    instance.hasSteps = function () {152        return this.steps.length != 0;153    }154    instance.hasExpectations = function () {155        return this.expectations.length != 0;156    }157    instance.displayGoals = function () {158        var list = this.document.createElement('ol');159        this.goals.forEach(function (each) {160            var item = this.document.createElement('li');161            var value = this.document.createTextNode(each);162            item.appendChild(value);163            list.appendChild(item);164        });165        this.goalsContainer().appendChild(list);166    };167    instance.displayPreconditions = function () {168        var list = this.document.createElement('ol');169        this.preconditions.forEach(function (each) {170            var item = this.document.createElement('li');171            var value = this.document.createTextNode(each);172            item.appendChild(value);173            list.appendChild(item);174        });175        this.preconditionsContainer().appendChild(list);176    };177    instance.displaySteps = function () {178        var list = this.document.createElement('ol');179        this.steps.forEach(function (each) {180            var item = this.document.createElement('li');181            var value = this.document.createTextNode(each);182            item.appendChild(value);183            list.appendChild(item);184        });185        this.stepsContainer().appendChild(list);186    };187    instance.displayExpectations = function () {188        var list = this.document.createElement('ul');189        this.expectations.forEach(function (each) {190            var item = this.document.createElement('li');191            var value = this.document.createTextNode(each);192            item.appendChild(value);193            list.appendChild(item);194        });195        this.expectationsContainer().appendChild(list);196    };197    instance.displayResults = function () {198        var list = this.document.createElement('ul');199        this.results.forEach(function (each) {200            var item = this.document.createElement('li');201            var value = this.document.createTextNode(each.key + ' = ' + each.value);202            item.appendChild(value);203            list.appendChild(item);204        });205        this.resultsContainer().appendChild(list);206    };207    instance.specName = function () {208        return jasmine.getEnv().currentSpec.description;209    };210    instance.displayTitle = function () {211        var title = this.document.createElement('div');212        title.setAttribute("class", "specTitle");213        title.appendChild(this.document.createTextNode(this.specName()));214        this.container().appendChild(title);215    };216    instance.displayScenario = function () {217        this.displayTitle();218        if (this.hasGoals()) {219            this.displayGoals();220        }221        if (this.hasPreconditions()) {222            this.displayPreconditions();223        }224        if (this.hasSteps()) {225            this.displaySteps();226        }227        if (this.hasExpectations()) {228            this.displayExpectations();229        }230    };231    instance.waitForButtonPressing = function (aString) {232        this.userControlsContainer().innerHTML = "";233        var button = this.document.createElement("button");234        button.appendChild(this.document.createTextNode(aString));235        var flag = false;236        var timeoutID = setTimeout(function () {237            flag = true238        }, this.userActionTimeout);239        var that = this;240        button.onclick = function () {241            clearTimeout(timeoutID);242            that.userControlsContainer().removeChild(button);243            flag = true;244        };245        this.userControlsContainer().appendChild(button);246        waitsFor(function () {247            return flag;248        }, "User action timeout", this.waitsForTimeout)249    };250    instance.waitForResponse = function () {251        var timeoutID;252        var that = this;253        function finishSpec(result) {254            clearTimeout(timeoutID);255            var expectationResult = new jasmine.ExpectationResult({256                passed: result,257                message: "Test failed"258            });259            this.jasmine.getEnv().currentSpec.addMatcherResult(expectationResult);260            flag = true;261            that.body().removeChild(that.container());262        }263        this.userControlsContainer().innerHTML = "";264        var button = this.document.createElement("button");265        button.setAttribute("class", "passedButton");266        button.onclick = function () {267            finishSpec(true);268        };269        button.appendChild(this.document.createTextNode("Passed"));270        this.userControlsContainer().appendChild(button);271        button = this.document.createElement("button");272        button.setAttribute("class", "failedButton");273        button.onclick = function () {274            finishSpec(false)275        };...

periodicjs.reactapp.js

Source:periodicjs.reactapp.js

1'use strict';2module.exports = {3  'periodicjs_ext_reactapp': {4    'manifests': [5      '/content/container/decision-engine-service-container/views/account',6      '/content/container/decision-engine-service-container/views/auth',7      '/content/container/decision-engine-service-container/views/companysettings',8      '/content/container/decision-engine-service-container/views/home',9      '/content/container/decision-engine-service-container/views/decision/shared',10      '/content/container/decision-engine-service-container/views/decision/modals',11      '/content/container/decision-engine-service-container/views/decision/manifests/strategy',12      '/content/container/decision-engine-service-container/views/decision/manifests/strategy/segment',13      '/content/container/decision-engine-service-container/views/decision/manifests/variable',14      '/content/container/decision-engine-service-container/views/decision/manifests/activation',15      '/content/container/decision-engine-service-container/views/decision/manifests/processing',16      '/content/container/decision-engine-service-container/views/decision/manifests/processing/batch',17      '/content/container/decision-engine-service-container/views/decision/manifests/processing/individual',18      '/content/container/decision-engine-service-container/views/decision/shared/manifests',19      '/content/container/decision-engine-service-container/views/modals',20      '/content/container/decision-engine-service-container/views/nullroutes',21      '/content/container/decision-engine-service-container/views/simulation',22      '/content/container/decision-engine-service-container/views/simulation/individual',23      '/content/container/decision-engine-service-container/views/simulation/batch',24      '/content/container/decision-engine-service-container/views/ml',25      '/content/container/decision-engine-service-container/views/ml/training',26      '/content/container/decision-engine-service-container/views/ml/individual',27      '/content/container/decision-engine-service-container/views/ml/batch',28      '/content/container/decision-engine-service-container/views/optimization',29      '/content/container/decision-engine-service-container/views/optimization/ml',30      '/content/container/decision-engine-service-container/views/optimization/ml/batch',31      '/content/container/decision-engine-service-container/views/optimization/ml/individual',32      '/content/container/decision-engine-service-container/views/optimization/ocr',33      '/content/container/decision-engine-service-container/views/optimization/modals',34      '/content/container/decision-engine-service-container/views/ocr/modals',35      '/content/container/decision-engine-service-container/views/ocr/manifests/batch',36      '/content/container/decision-engine-service-container/views/ocr/manifests/individual',37      '/content/container/decision-engine-service-container/views/ocr/manifests/templates',38      '/content/container/decision-engine-service-container/views/integration',39      '/content/container/decision-engine-service-container/views/los',40      '/content/container/decision-engine-service-container/views/los/applications',41      '/content/container/decision-engine-service-container/views/los/customers',42      '/content/container/decision-engine-service-container/views/los/customers/company',43      '/content/container/decision-engine-service-container/views/los/customers/people',44      // '/content/container/decision-engine-service-container/views/los/emails',45      '/content/container/decision-engine-service-container/views/los/tasks',46      '/content/container/decision-engine-service-container/views/los/reporting',47      '/content/container/decision-engine-service-container/views/los/taskbots',48      '/content/container/decision-engine-service-container/views/los/others',49      '/content/container/decision-engine-service-container/views/los/modals',50      '/content/container/decision-engine-service-container/views/los/intermediaries',51    ],52    'unauthenticated_manifests': [53      '/content/container/decision-engine-service-container/views/public/home',54      '/content/container/decision-engine-service-container/views/unauthenticated',55    ],56    'components': {57      'login': '/content/container/decision-engine-service-container/views/auth/login.manifest.js',58      'main': {59        'footer': '/content/container/decision-engine-service-container/views/shared/footer.manifest.js',60      },61      'error': {62        '404': '/content/container/decision-engine-service-container/views/error/404.manifest.js',63        '500': '/content/container/decision-engine-service-container/views/error/500.manifest.js',64      },65    },66  },...

deprecated.js

Source:deprecated.js

1import classnames from 'classnames';2import Container_1_4_23 from './1.4.23/components/container';3import Container_2_3_0 from './2.3.0/components/container';4const {5	InnerBlocks6} = wp.blockEditor;7// Version 2_3_0 attributes8export const Container_2_3_0_attr = {9	containerPaddingTop: {10		type: 'number'11	},12	containerPaddingRight: {13		type: 'number'14	},15	containerPaddingBottom: {16		type: 'number'17	},18	containerPaddingLeft: {19		type: 'number'20	},21	containerMarginTop: {22		type: 'number'23	},24	containerMarginBottom: {25		type: 'number'26	},27	containerWidth: {28		type: 'string'29	},30	containerMaxWidth: {31		type: 'number',32		default: 160033	},34	containerBackgroundColor: {35		type: 'string'36	},37	containerImgURL: {38		type: 'string',39		source: 'attribute',40		attribute: 'src',41		selector: 'img'42	},43	containerImgID: {44		type: 'number'45	},46	containerImgAlt: {47		type: 'string',48		source: 'attribute',49		attribute: 'alt',50		selector: 'img'51	},52	containerDimRatio: {53		type: 'number',54		default: 5055	}56};57// Version 1_4_22 attributes58export const Container_1_4_23_attr = {59	containerPaddingTop: {60		type: 'number',61		default: 062	},63	containerPaddingRight: {64		type: 'number',65		default: 066	},67	containerPaddingBottom: {68		type: 'number',69		default: 070	},71	containerPaddingLeft: {72		type: 'number',73		default: 074	},75	containerMarginTop: {76		type: 'number',77		default: 078	},79	containerMarginBottom: {80		type: 'number',81		default: 082	},83	containerWidth: {84		type: 'string',85		default: 'center'86	},87	containerMaxWidth: {88		type: 'number',89		default: 160090	},91	containerBackgroundColor: {92		type: 'string',93		default: '#fff'94	},95	containerImgURL: {96		type: 'string',97		source: 'attribute',98		attribute: 'src',99		selector: 'img'100	},101	containerImgID: {102		type: 'number'103	},104	containerImgAlt: {105		type: 'string',106		source: 'attribute',107		attribute: 'alt',108		selector: 'img'109	},110	containerDimRatio: {111		type: 'number',112		default: 50113	}114};115// Version 2_3_0 save116export const Container_2_3_0_save = props => {117	return (118		<Container_2_3_0 { ...props }>119            <InnerBlocks.Content />120        </Container_2_3_0>121	);122};123// Version 1_4_22 save124export const Container_1_4_23_save = props => {125	const {126		containerMaxWidth,127		containerImgURL,128		containerImgAlt,129		containerDimRatio130	} = props.attributes;131	return (132		<Container_1_4_23 { ...props }>133            <div className="ab-container-inside">134                { containerImgURL && !! containerImgURL.length && (135                    <div className="ab-container-image-wrap">136                        <img137                            className={ classnames(138                                'ab-container-image',139                                dimRatioToClass( containerDimRatio ),140                                {141                                    'has-background-dim': 0 !== containerDimRatio142                                }143                            ) }144                            src={ containerImgURL }145                            alt={ containerImgAlt }146                        />147                    </div>148                ) }149                <div150                    className="ab-container-content"151                    style={ {152                        maxWidth: `${containerMaxWidth}px`153                    } }154                >155                    <InnerBlocks.Content />156                </div>157            </div>158        </Container_1_4_23>159	);160};161function dimRatioToClass( ratio ) {162	return ( 0 === ratio || 50 === ratio ) ?163		null :164		'has-background-dim-' + ( 10 * Math.round( ratio / 10 ) );165}166// Build deprecated list167const deprecated = [168	// Version 2_3_0169	{170		attributes: Container_2_3_0_attr,171        save: Container_2_3_0_save172	},173    // Version 1_4_23174	{175		attributes: Container_1_4_23_attr,176        save: Container_1_4_23_save177    }178];...

Using AI Code Generation

1import { renderHook } from '@testing-library/react-hooks'2import { useCounter } from './useCounter'3test('useCounter', () => {4  const { result } = renderHook(() => useCounter())5  expect(result.current.count).toBe(0)6  act(() => result.current.increment())7  expect(result.current.count).toBe(1)8  act(() => result.current.decrement())9  expect(result.current.count).toBe(0)10})11import { useState } from 'react'12export function useCounter() {13  const [count, setCount] = useState(0)14  const increment = () => setCount((c) => c + 1)15  const decrement = () => setCount((c) => c - 1)16  return { count, increment, decrement }17}

Using AI Code Generation

1import React from 'react';2import { renderHook, act } from '@testing-library/react-hooks';3import useCounter from './useCounter';4describe('useCounter', () => {5  it('should increment counter', () => {6    const { result } = renderHook(() => useCounter());7    act(() => {8      result.current.increment();9    });10    expect(result.current.count).toBe(1);11  });12});13import { useState } from 'react';14const useCounter = () => {15  const [count, setCount] = useState(0);16  const increment = () => setCount(count + 1);17  return { count, increment };18};19export default useCounter;

Using AI Code Generation

1import React from 'react';2import { renderHook } from '@testing-library/react-hooks';3import { useCounter } from './useCounter';4test('should increment counter', () => {5  const { result, container } = renderHook(() => useCounter());6  const { getByText } = container;7  const { increment } = result.current;8  expect(getByText('0')).toBeInTheDocument();9  increment();10  expect(getByText('1')).toBeInTheDocument();11});12import React from 'react';13import { renderHook } from '@testing-library/react-hooks';14import { useCounter } from './useCounter';15test('should increment counter', () => {16  const { result, container } = renderHook(() => useCounter());17  const { getByText } = container;18  const { increment } = result.current;19  expect(getByText('0')).toBeInTheDocument();20  increment();21  expect(getByText('1')).toBeInTheDocument();22});23import React from 'react';24import { renderHook } from '@testing-library/react-hooks';25import { useCounter } from './useCounter';26test('should increment counter', () => {27  const { result, container } = renderHook(() => useCounter());28  const { getByText } = container;29  const { increment } = result.current;30  expect(getByText('0')).toBeInTheDocument();31  increment();32  expect(getByText('1')).toBeInTheDocument();33});34import React from 'react';35import { renderHook } from '@testing-library/react-hooks';36import { useCounter } from './useCounter';37test('should increment counter', () => {38  const { result, container } = renderHook(() => useCounter());39  const { getByText } = container;40  const { increment } = result.current;41  expect(getByText('0')).toBeInTheDocument();42  increment();43  expect(getByText('1')).toBeInTheDocument();44});

Using AI Code Generation

1import { renderHook, act } from '@testing-library/react-hooks';2import { useCounter } from './useCounter';3describe('useCounter', () => {4  it('should return the initial state', () => {5    const { result } = renderHook(() => useCounter());6    expect(result.current.count).toBe(0);7  });8  it('should increment the counter', () => {9    const { result } = renderHook(() => useCounter());10    expect(result.current.count).toBe(0);11    act(() => {12      result.current.increment();13    });14    expect(result.current.count).toBe(1);15  });16  it('should decrement the counter', () => {17    const { result } = renderHook(() => useCounter());18    expect(result.current.count).toBe(0);19    act(() => {20      result.current.decrement();21    });22    expect(result.current.count).toBe(-1);23  });24  it('should reset the counter', () => {25    const { result } = renderHook(() => useCounter());26    expect(result.current.count).toBe(0);27    act(() => {28      result.current.increment();29    });30    expect(result.current.count).toBe(1);31    act(() => {32      result.current.reset();33    });34    expect(result.current.count).toBe(0);35  });36});37import { useState } from 'react';38export const useCounter = (initialState = 0) => {39  const [count, setCount] = useState(initialState);40  const increment = () => {

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.