Best JavaScript code snippet using jest
index.js
Source:index.js  
...96        min: 4,97        max: 10,98        adTime: 60,99        thread: null,100        // isInstall: app.getPackageName("趣头æ¡") == null ? "#C0C0C0" : "#20B2AA",101        check_u_c: false,102        exception: false103      },104      {105        id: "douYinJiSu",106        type: "view",107        appName: "æé³æéç",108        complete: false,109        min: -1,110        max: -1,111        adTime: 0,112        thread: null,113        check_u_c: false,114        // isInstall: app.getPackageName("æé³æéç") == null ? "#C0C0C0" : "#20B2AA",115        exception: false116      },117      {118        id: "shuaBaoDuShiPin",119        type: "view",120        appName: "å·å®çè§é¢",121        complete: false,122        min: -1,123        max: -1,124        adTime: 0, thread: null,125        check_u_c: false,126        // isInstall: app.getPackageName("å·å®çè§é¢") == null ? "#C0C0C0" : "#20B2AA",127        exception: false128      },129      {130        id: "kuaiShouJiSu",131        type: "view",132        appName: "å¿«ææéç",133        complete: false,134        min: -1,135        max: -1,136        adTime: 0, thread: null,137        check_u_c: false,138        // isInstall: app.getPackageName("å¿«ææéç") == null ? "#C0C0C0" : "#20B2AA",139        exception: false140      },141      {142        id: "lingShengXiu",143        type: "view",144        appName: "é声ç§",145        complete: false,146        min: -1,147        max: -1,148        adTime: 0, thread: null,149        check_u_c: false,150        // isInstall: app.getPackageName("é声ç§") == null ? "#C0C0C0" : "#20B2AA",151        exception: false152      },153      {154        id: "dianDianXinWen",155        type: "view",156        appName: "ç¹ç¹æ°é»",157        complete: false,158        min: -1,159        max: -1,160        adTime: 0, thread: null,161        check_u_c: false,162        // isInstall: app.getPackageName("ç¹ç¹æ°é»") == null ? "#C0C0C0" : "#20B2AA",163        exception: false164      },165      {166        id: "dianShiJia",167        type: "view",168        appName: "çµè§å®¶",169        complete: false,170        min: -1,171        max: -1,172        adTime: 0, thread: null,173        check_u_c: false,174        // isInstall: app.getPackageName("çµè§å®¶") == null ? "#C0C0C0" : "#20B2AA",175        exception: false176      },177      {178        id: "yiTongShangCheng",179        type: "view",180        appName: "çéåå",181        complete: false,182        min: -1,183        max: -1,184        adTime: 0, thread: null,185        check_u_c: false,186        // isInstall: app.getPackageName("çéåå") == null ? "#C0C0C0" : "#20B2AA",187        exception: false188      },189      {190        id: "weiShi",191        type: "view",192        appName: "å¾®è§",193        complete: false,194        min: -1,195        max: -1,196        adTime: 0, thread: null,197        check_u_c: false,198        // isInstall: app.getPackageName("å¾®è§") == null ? "#C0C0C0" : "#20B2AA",199        exception: false200      },201      {202        id: "caiDanShiPin",203        type: "view",204        appName: "彩èè§é¢",205        complete: false,206        min: -1,207        max: -1,208        adTime: 0, thread: null,209        check_u_c: false,210        // isInstall: app.getPackageName("彩èè§é¢") == null ? "#C0C0C0" : "#20B2AA",211        exception: false212      },213      {214        id: "kuaiYin",215        type: "view",216        appName: "å¿«é³",217        complete: false,218        min: -1,219        max: -1,220        adTime: 0, thread: null,221        check_u_c: false,222        // isInstall: app.getPackageName("å¿«é³") == null ? "#C0C0C0" : "#20B2AA",223        exception: false224      },225      {226        id: "taoBaoZhiBo",227        type: "view",228        appName: "æ·å®ç´æ",229        complete: false,230        min: -1,231        max: -1,232        adTime: 0, thread: null,233        check_u_c: false,234        // isInstall: app.getPackageName("æ·å®ç´æ") == null ? "#C0C0C0" : "#20B2AA",235        exception: false236      },237      {238        id: "haoKanShiPin",239        type: "view",240        appName: "好çè§é¢",241        complete: false,242        min: -1,243        max: -1,244        adTime: 0, thread: null,245        check_u_c: false,246        // isInstall: app.getPackageName("好çè§é¢") == null ? "#C0C0C0" : "#20B2AA",247        exception: false248      },249      {250        id: "fanQieMianFeiXiaoShuo",251        type: "view",252        appName: "çªèå
è´¹å°è¯´",253        complete: false,254        min: -1,255        max: -1,256        adTime: 0, thread: null,257        check_u_c: false,258        // isInstall: app.getPackageName("å¾®è§çªèå
è´¹å°è¯´") == null ? "#C0C0C0" : "#20B2AA",259        exception: false260      },261    ]262  },263  mutations: {264  },265  actions: {266  },267  modules: {268  }...utils_spec.js
Source:utils_spec.js  
...10        });11    });12    describe('.getPackageName', () => {13        it('finds the name of a package from its manifest', () => {14            expect(packageUtils.getPackageName(null)).toBeNull();15            expect(packageUtils.getPackageName()).toBeNull();16            expect(packageUtils.getPackageName({})).toBeNull();17            expect(packageUtils.getPackageName({18                name: 'PACKAGENAME'19            })).toBe('packagename');20            expect(packageUtils.getPackageName({21                namespace: 'package-namespace',22                name: 'PACKAGENAME'23            })).toBe('package-namespace');24        });25    });26    describe('.getPackageDependencies', () => {27        it('returns an object containing the package\'s LabShare package dependencies', () => {28            let manifest = {29                "name": "name",30                "dependencies": {31                    "lodash": "*"32                },33                "packageDependencies": [34                    'foo'...ClassTest1.js
Source:ClassTest1.js  
...18     	var strIndex = str.indexOf("_", 0);19     }20})21.protos({22  //> public void test_getPackageName()23    test_getPackageName:function(){24        //var v_clasObj1=vjo.Object.clazz;25        //assertEquals("vjo",v_clasObj1.getPackageName());26        assertEquals("vjo",new vjo.Object().getClass().getPackageName());27    },28    //> public void test_getPackageName1()29    test_getPackageName1:function(){30        //var v_clasObj1=vjo.Class.clazz;31        //assertEquals("vjo",v_clasObj1.getPackageName());32    },33    //> public void test_getPackageName2()34    test_getPackageName2:function(){35        //var v_clasObj1=this.vj$.ClassA.clazz;36        //assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());37        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",new this.vj$.ClassA().getClass().getPackageName());38    },39    //> public void test_getPackageName3()40    test_getPackageName3:function(){41        //var v_clasObj1=this.vj$.IA.clazz;42        //assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());43    },44    //> public void test_getPackageName4()45    test_getPackageName4:function(){46        //var v_clasObj1=this.vj$.EnumA.clazz;47        //assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());48        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",this.vj$.EnumA.FRIDAY.getClass().getPackageName());49    }5051})
...Bug3945.js
Source:Bug3945.js  
...15.props({16     17})18.protos({19  //> public void test_getPackageName()20    test_getPackageName:function(){21        var v_clasObj1=vjo.Object.clazz;22        assertEquals("vjo",v_clasObj1.getPackageName());23        assertEquals("vjo",new vjo.Object().getClass().getPackageName());24    },25    //> public void test_getPackageName1()26    test_getPackageName1:function(){27        var v_clasObj1=vjo.Class.clazz;28        assertEquals("vjo",v_clasObj1.getPackageName());29    },30    //> public void test_getPackageName2()31    test_getPackageName2:function(){32        var v_clasObj1=this.vj$.ClassA.clazz;33        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());34        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",new this.vj$.ClassA().getClass().getPackageName());35    },36    //> public void test_getPackageName3()37    test_getPackageName3:function(){38        var v_clasObj1=this.vj$.IA.clazz;39        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());40    },41    //> public void test_getPackageName4()42    test_getPackageName4:function(){43        var v_clasObj1=this.vj$.EnumA.clazz;44        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",v_clasObj1.getPackageName());45        assertEquals("org.eclipse.vjet.dsf.tests.js.rt.clz.tc1",this.vj$.EnumA.FRIDAY.getClass().getPackageName());46    }4748})
...appversion.js
Source:appversion.js  
2exports.getAppId = function() {3  return new Promise(function(resolve, reject) {4    function _resolve() {5      var context = application.android.context;6      resolve(context.getPackageName());7    }8    try {9      if (application.android.context) {10        _resolve();11      } else {12        // if this is called before application.start() wait for the event to fire13        application.on(application.launchEvent, _resolve);14      }15    } catch (ex) {16      console.log("Error in appversion.getAppId: " + ex);17      reject(ex);18    }19  });20};21exports.getAppIdSync = function() {22  return application.android.context.getPackageName();23};24exports.getVersionName = function() {25  return new Promise(function(resolve, reject) {26    function _resolve() {27      var packageManager = application.android.context.getPackageManager();28      resolve(packageManager.getPackageInfo(application.android.context.getPackageName(), 0).versionName);29    }30    try {31      if (application.android.context) {32        _resolve();33      } else {34        // if this is called before application.start() wait for the event to fire35        application.on(application.launchEvent, _resolve);36      }37    } catch (ex) {38      console.log("Error in appversion.getVersionName: " + ex);39      reject(ex);40    }41  });42};43exports.getVersionNameSync = function() {44  var packageManager = application.android.context.getPackageManager();45  return packageManager.getPackageInfo(application.android.context.getPackageName(), 0).versionName;46};47exports.getVersionCode = function() {48  return new Promise(function(resolve, reject) {49    try {50      var packageManager = application.android.context.getPackageManager();51      resolve(packageManager.getPackageInfo(application.android.context.getPackageName(), 0).versionCode);52    } catch (ex) {53      console.log("Error in appversion.getVersionCode: " + ex);54      reject(ex);55    }56  });57};58exports.getVersionCodeSync = function() {59  var packageManager = application.android.context.getPackageManager();60  return packageManager.getPackageInfo(application.android.context.getPackageName(), 0).versionCode;...install.js
Source:install.js  
...13  return final;14}, {installing: [], finished: []});15if (packageResults.finished.length) {16  console.log('The following packages are already installed:');17  packageResults.finished.forEach(obj => console.log(getPackageName(obj.url)));18}19if (packageResults.installing.length) {20  console.log('\nInstalling the following packages:');21  packageResults.installing.forEach(obj => console.log(getPackageName(obj.url)));22  var allPromises = packageResults.installing.map(obj => obj.promise);23  Promise.all(allPromises)24    .then(() => console.log('All packages installed'));25} else {26  console.log('All packages installed')27}28function packageIsInstalled(url) {29  var packageName = getPackageName(url);30  try { 31    fs.accessSync('./bundle/' + packageName);32    return true;33  } catch (e) {34    return false;35  };36}37function getPackageName(url) {38  var pathArr = url.split('/');39  return pathArr[pathArr.length - 1];40}41function installPackage(url) {42  let commit;43  if (url.includes('#')) ({url, commit} = parseUrl(url))44  if (packageIsInstalled(url)) {45    return false;46  }47  return Clone(url, './bundle/' + getPackageName(url))48    .then(repo => {49      if (!commit) return repo50      console.log(`On ${getPackageName(url)}, checking out commit: ${commit}`)51      return repo.getCommit(commit)52        .then(gitCommit => {53          return Reset.reset(repo, gitCommit, Reset.TYPE.HARD)54        })55    })56}57function parseUrl(url) {58  [url, commit] = url.split('#')59  return {url, commit}60}61function ensureBundleExists() {62  try {63    fs.accessSync('./bundle');64    return false;...getPackageName.spec.js
Source:getPackageName.spec.js  
2import test from "tape";3// Import Internal Dependencies4import { getPackageName } from "../../src/utils/index.js";5test("getPackageName should return the package name (if there is not slash char at all)", (tape) => {6  tape.is(getPackageName("mocha"), "mocha");7  tape.end();8});9test("getPackageName should return the package name (first part before '/' character)", (tape) => {10  tape.is(getPackageName("foo/bar"), "foo");11  tape.end();12});13test("getPackageName should return the package name with organization namespace", (tape) => {14  tape.is(getPackageName("@slimio/is/test"), "@slimio/is");15  tape.end();...get-package-name-test.js
Source:get-package-name-test.js  
2const expect = require('chai').expect;3const getPackageName = require('../src/utils/get-package-name');4describe('utils/get-package-name', function() {5  it('gets package name from module path', function() {6    expect(getPackageName('foo')).to.equal('foo');7    expect(getPackageName('foo/bar')).to.equal('foo');8    expect(getPackageName('@foo/baz')).to.equal('@foo/baz');9    expect(getPackageName('@foo/baz/bar')).to.equal('@foo/baz');10  });...LambdaTest’s Jest Testing Tutorial covers step-by-step guides around Jest with code examples to help you be proficient with the Jest framework. The Jest tutorial has chapters to help you learn right from the basics of Jest framework to code-based tutorials around testing react apps with Jest, perform snapshot testing, import ES modules and more.
|<p>it('check_object_of_Car', () => {</p><p>    expect(newCar()).toBeInstanceOf(Car);</p><p> });</p>|
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