Best JavaScript code snippet using playwright-internal
Element.traversal.js
Source:Element.traversal.js  
...249    });250    251    describe("findParent", function() {252        it("should return document.body", function() {253            expect(el.findParent('body')).toEqual(document.body);254        });255        256        it("should return a dom", function() {257            expect(child1.findParent('.wrapper')).toEqual(Ext.getDom(el));258        });259        260        it("should return an el", function() {261            expect(child1.findParent('.wrapper', null, true)).toEqual(el);262        });263        it("should include itself if it matches", function() {264            expect(child4_1_1.findParent('#child4_1_1', null, true)).toBe(child4_1_1);265        });266        it("should default the maxDepth to 50 or the document element", function() {267            var root = Ext.getBody().createChild({268                cls: 'findParentRoot'269            }),270                current = root,271                els = [root],272                i;273            for (i = 0; i < 49; ++i) {274                current = current.createChild();275                els.push(current);276            }277            expect(current.findParent('.findParentRoot', undefined, true)).toBe(root);278            current = current.createChild();279            els.push(current);280            expect(current.findParent('.findParentRoot', undefined, true)).toBeNull();281            expect(els[10].findParent('.doesntExist')).toBeNull();282            Ext.destroy(els);283        });284        285        describe("with maxDepth", function() {286            describe("as a number", function() {287                it("should include an element within the limit", function() {288                    expect(child4_1_1.findParent('#child4', 3, true)).toBe(child4);289                });290                it("should exclude an element at the limit", function() {291                    expect(child4_1_1.findParent('#child4', 2, true)).toBeNull();292                });293                it("should exclude an element above the limit", function() {294                    expect(child4_1_1.findParent('#child4', 1, true)).toBeNull();295                });296            });297            describe("as an element", function() {298                it("should accept a string id", function() {299                    expect(child4_1_1.findParent('.wrapper', 'child4_1')).toBeNull();300                });301                it("should accept a dom element", function() {302                    expect(child4_1_1.findParent('.wrapper', child4_1.dom)).toBeNull();303                });304                it("should accept an Ext.dom.Element", function() {305                    expect(child4_1_1.findParent('.wrapper', child4_1)).toBeNull();306                });307                it("should include an element within the limit", function() {308                    expect(child4_1_1.findParent('.findIt', child4, true)).toBe(child4_1);309                });310                it("should exclude elements at the limit", function() {311                    expect(child4_1_1.findParent('#child4', child4, true)).toBeNull();312                });313                it("should exclude an element above the limit", function() {314                    expect(child4_1_1.findParent('.wrapper', child4, true)).toBeNull();315                });316            });317        });318    });319    320    describe("contains", function(){321        it('should return false for siblings', function(){322            expect(Ext.fly(child1).contains(child4_1_1)).toBe(false);323            expect(Ext.fly(child2).contains(child4_1_1)).toBe(false);324        });325        it('should return true for parents', function(){326            expect(Ext.fly(child4_1).contains(child4_1_1)).toBe(true);327        });328        it('should return true for grandparents', function(){...index-test.js
Source:index-test.js  
1'use strict';2const assert = require('chai').assert;3const findParent = require('../../');4describe('find-parent/index', () => {5  let fixtureDiv;6  let element;7  const optsWithThrowOnMiss = {8    throwOnMiss: true9  };10  const optsWithOutThrowOnMiss = {11    throwOnMiss: false12  };13  function assertHandlesOptions(func) {14    [0, [], ''].forEach(invalidOpts => {15      assert.throws(() => {16        func.call(func, invalidOpts);17      }, 'to be an object');18    });19  }20  before(() => {21    fixtureDiv = document.createElement('div');22    fixtureDiv.className = 'fixture-div';23    document.body.appendChild(fixtureDiv);24  });25  beforeEach(() => {26    const source = '\27    <div class="ancestor">\28      <span id="test" class="parent">\29        <a href="http://google.com" class="itself">link text</a>\30      </span>\31    </div>';32    fixtureDiv.innerHTML = source;33  });34  describe('#byMatcher', () => {35    describe('with an element outside of the document', () => {36      let ancestor;37      let parent;38      beforeEach(() => {39        ancestor = document.createElement('div');40        parent = document.createElement('span');41        element = document.createElement('a');42        parent.appendChild(element);43        ancestor.appendChild(parent);44      });45      it('should throw if opts is defined and not an object', () => {46        assertHandlesOptions(findParent.byMatcher.bind(findParent, element, () => {}));47      });48      it('should return undefined when no parent matches', () => {49        const result = findParent.byMatcher(element, () => false);50        assert.isUndefined(result);51      });52      it('should return undefined when no parent matches and throwOnMiss is false', () => {53        const result = findParent.byMatcher(element, () => false, optsWithOutThrowOnMiss);54        assert.isUndefined(result);55      });56      it('should throw when no parent matches and throwOnMiss is true', () => {57        assert.throws(() => {58          findParent.byMatcher(element, () => false, optsWithThrowOnMiss);59        }, 'Expected to find parent node, but none was found.');60      });61      it('should return itself when it matches', () => {62        const result = findParent.byMatcher(element, () => true);63        assert.equal(result, element);64      });65      it('should find direct parent', () => {66        const result = findParent.byMatcher(element, node => node.tagName === parent.tagName);67        assert.equal(result, parent);68      });69      it('should find ancestor', () => {70        const result = findParent.byMatcher(element, node => node.tagName === ancestor.tagName);71        assert.equal(result, ancestor);72      });73    });74    describe('with an element in the document', () => {75      beforeEach(() => {76        element = document.getElementsByTagName('a')[0];77      });78      it('should never pass matcher the document object', () => {79        const result = findParent.byMatcher(element, () => {80          assert.notEqual(element, document);81          return false;82        });83        assert.isUndefined(result);84      });85      it('should return undefined when no parent matches', () => {86        const result = findParent.byMatcher(element, () => false);87        assert.isUndefined(result);88      });89      it('should return undefined when no parent matches and throwOnMiss is false', () => {90        const result = findParent.byMatcher(element, () => false, optsWithOutThrowOnMiss);91        assert.isUndefined(result);92      });93      it('should throw when no parent matches and throwOnMiss is true', () => {94        assert.throws(() => {95          findParent.byMatcher(element, () => false, optsWithThrowOnMiss);96        }, 'Expected to find parent node, but none was found.');97      });98      it('should return itself when it matches', () => {99        const result = findParent.byMatcher(element, () => true);100        assert.equal(result, element);101      });102      it('should find direct parent', () => {103        const result = findParent.byMatcher(element, node => node.id === 'test');104        assert.equal(result.id, 'test');105      });106      it('should find ancestor', () => {107        const result = findParent.byMatcher(element, node => node.className === 'ancestor');108        assert.equal(result.className, 'ancestor');109      });110    });111  });112  describe('#byClassName', () => {113    beforeEach(() => {114      element = document.getElementsByTagName('a')[0];115    });116    it('should throw if opts is defined and not an object', () => {117      assertHandlesOptions(findParent.byClassName.bind(findParent, element, 'nonExistant'));118    });119    it('should return undefined if there are no ancestors with className', () => {120      const result = findParent.byClassName(element, 'nonexistant');121      assert.isUndefined(result);122    });123    it('should return undefined if there are no ancestors with className and throwOnMiss is false', () => {124      const result = findParent.byClassName(element, 'nonexistant', optsWithOutThrowOnMiss);125      assert.isUndefined(result);126    });127    it('should throw if there are no ancestors with className and throwOnMiss is true', () => {128      assert.throws(() => {129        findParent.byClassName(element, 'nonexistant', optsWithThrowOnMiss);130      }, 'Expected to find parent node, but none was found.');131    });132    it('should return itself when it has className', () => {133      const result = findParent.byClassName(element, 'itself');134      assert.equal(result.className, 'itself');135    });136    it('should return parent with className', () => {137      const result = findParent.byClassName(element, 'parent');138      assert.equal(result.className, 'parent');139    });140    it('should return ancestor with className', () => {141      const result = findParent.byClassName(element, 'ancestor');142      assert.equal(result.className, 'ancestor');143    });144  });145  describe('#withDataAttribute', () => {146    beforeEach(() => {147      const source = '\148      <div class="ancestor" data-ancestor-node="1">\149        <span id="test" class="parent" data-parent-node="2">\150          <a href="http://google.com" class="itself" data-itself="3">link text</a>\151        </span>\152      </div>';153      fixtureDiv.innerHTML = source;154      element = document.getElementsByTagName('a')[0];155    });156    it('should throw if opts is defined and not an object', () => {157      assertHandlesOptions(findParent.withDataAttribute.bind(findParent, element, 'nonExistant'));158    });159    it('should return undefined if there are no ancestors with className', () => {160      const result = findParent.withDataAttribute(element, 'nonExistant');161      assert.isUndefined(result);162    });163    it('should return undefined if there are no ancestors with className and throwOnMiss is false', () => {164      const result = findParent.withDataAttribute(element, 'nonExistant', optsWithOutThrowOnMiss);165      assert.isUndefined(result);166    });167    it('should throw if there are no ancestors with className and throwOnMiss is true', () => {168      assert.throws(() => {169        findParent.withDataAttribute(element, 'nonExistant', optsWithThrowOnMiss);170      }, 'Expected to find parent node, but none was found.');171    });172    it('should return itself when it has the data attribute', () => {173      const result = findParent.withDataAttribute(element, 'itself');174      assert.equal(result.className, 'itself');175    });176    it('should return parent with data attribute', () => {177      const result = findParent.withDataAttribute(element, 'parentNode');178      assert.equal(result.className, 'parent');179    });180    it('should return ancestor with data attribute', () => {181      const result = findParent.withDataAttribute(element, 'ancestorNode');182      assert.equal(result.className, 'ancestor');183    });184  });...babel-plugin-jest-native-globals.js
Source:babel-plugin-jest-native-globals.js  
...32      ReferencedIdentifier(path, state) {33        if (path.node.name === 'Promise' && !state.jestInjectedPromise) {34          state.jestInjectedPromise = true;35          path36            .findParent(p => p.isProgram())37            .unshiftContainer('body', promiseDeclaration());38          path39            .findParent(p => p.isProgram())40            .unshiftContainer('body', symbolDeclaration());41        }42        if (path.node.name === 'Symbol' && !state.jestInjectedSymbol) {43          state.jestInjectedSymbol = true;44          path45            .findParent(p => p.isProgram())46            .unshiftContainer('body', symbolDeclaration());47        }48        if (49          path.node.name === 'Date' &&50          path.parent.property &&51          path.parent.property.name === 'now'52        ) {53          if (!state.jestInjectedNow) {54            state.jestInjectedNow = true;55            path56              .findParent(p => p.isProgram())57              .unshiftContainer('body', nowDeclaration());58            path59              .findParent(p => p.isProgram())60              .unshiftContainer('body', symbolDeclaration());61          }62          path.parentPath.replaceWithSourceString('jestNow');63        }64        if (65          path.node.name === 'fs' &&66          path.parent.property &&67          ['readFileSync', 'writeFileSync', 'existsSync'].includes(68            path.parent.property.name69          )70        ) {71          if (72            !state.jestInjectedRead &&73            path.parent.property.name === 'readFileSync'74          ) {75            state.jestInjectedRead = true;76            path77              .findParent(p => p.isProgram())78              .unshiftContainer('body', fsReadFileDeclaration());79            path80              .findParent(p => p.isProgram())81              .unshiftContainer('body', symbolDeclaration());82            path.parentPath.replaceWithSourceString('jestReadFile');83          }84          if (85            !state.jestInjectedWrite &&86            path.parent.property.name === 'writeFileSync'87          ) {88            state.jestInjectedWrite = true;89            path90              .findParent(p => p.isProgram())91              .unshiftContainer('body', fsWriteFileDeclaration());92            path93              .findParent(p => p.isProgram())94              .unshiftContainer('body', symbolDeclaration());95            path.parentPath.replaceWithSourceString('jestWriteFile');96          }97          if (98            !state.jestInjectedExists &&99            path.parent.property.name === 'existsSync'100          ) {101            state.jestInjectedExists = true;102            path103              .findParent(p => p.isProgram())104              .unshiftContainer('body', fsExistsFileDeclaration());105            path106              .findParent(p => p.isProgram())107              .unshiftContainer('body', symbolDeclaration());108            path.parentPath.replaceWithSourceString('jestExistsFile');109          }110        }111      },112    },113  };...jira-operations-test.js
Source:jira-operations-test.js  
...25        .should.eventually.be.rejectedWith(/Cannot find Epic Link Field/)26        .notify(done);27    });28    it('Find Parent from Sub-task', async function() {29      const parent = await findParent(dummyJira.issues.SubTask1, dummyJira);30      parent.fields.issuetype.name.should.eql('Story');31    });32    it('Find Parent from Feature Defect', async function() {33      const parent = await findParent(dummyJira.issues.FeatureDefect1, dummyJira);34      parent.fields.issuetype.name.should.eql('Story');35    });36    it('Find Parent from Story by EpicLink', async function() {37      dummyJira.listFields = async function() {38        return dummyJira.fields.epicLink;39      };40      dummyJira.host = 'jira.host3.com';41      const parent = await findParent(dummyJira.issues.Story3, dummyJira);42      parent.fields.issuetype.name.should.eql('Epic');43    });44    it('Find Parent from Story by IssueLink', async function() {45      const parent = await findParent(dummyJira.issues.Story4, dummyJira);46      parent.fields.issuetype.name.should.eql('Initiative');47    });48    it('Find Parent from Story with no Epic or Initiative', (done) => {49      findParent(dummyJira.issues.Story9, dummyJira)50        .should.eventually.be.rejectedWith(51          /Story9 does not have an associated parent Initiative or Epic./)52        .notify(done);53    });54    it('Find Parent from Epic', async function() {55      const parent = await findParent(dummyJira.issues.Epic3, dummyJira);56      parent.fields.issuetype.name.should.eql('Initiative');57    });58    it('No Parent Found from Epic', done => {59      findParent(dummyJira.issues.Epic1, dummyJira)60        .should.eventually.be.rejectedWith(61          /initiative from Epic Epic1 in issue links. Initiative should be linked by 'relates to'/)62        .notify(done);63    });64    it('No Parent Found from Initiative', done => {65      findParent(dummyJira.issues.I2, dummyJira)66        .should.eventually.be.rejectedWith(/Initiative should not have a parent/)67        .notify(done);68    });69  });70  describe('Relates Check', () => {71    it('Good Link', () => {72      const result = findIssueLinkParentKey(dummyJira.issues.Story2);73      result.should.equal('I2');74    });75    it('Bad Link', () => {76      const result = findIssueLinkParentKey(dummyJira.issues.Story5);77      expect(result).to.be.null;78    });79  });80  describe('Memoization Tests', () => {81    let spy;82    it('findParent with Same Key is Called Only Once', async function() {83      spy = sinon.spy(dummyJira, 'findIssue');84      const [first, second] = await Promise.all([85        findParent(dummyJira.issues.SubTask2, dummyJira),86        findParent(dummyJira.issues.SubTask2, dummyJira)87      ]);88      spy.calledOnce.should.be.true;89      first.should.equal(second);90    });91    it('getEpicLinkField with Same JIRA Host is Called Only Once', async function() {92      spy = sinon.spy(dummyJira, 'listFields');93      dummyJira.host = 'jira.host4.com';94      const [first, second] = await Promise.all([95        getEpicLinkField(dummyJira),96        getEpicLinkField(dummyJira)97      ]);98      spy.calledOnce.should.be.true;99      first.should.equal(second);100    });...findParent.js
Source:findParent.js  
1import { initModule } from '../../helpers/test-config';2import { test } from 'qunit';3export default function() {4  initModule('methods/findParent.js');5  test('.findParent() finds parent', t => {6    const C4 = Ractive.extend({7      template: 'this space for rent'8    });9    const C3 = Ractive.extend({10      template: '<C4/>',11      components: { C4 }12    });13    const C2 = Ractive.extend({14      template: '<C3/>',15      components: { C3 }16    });17    const C1 = Ractive.extend({18      template: '<C2/>',19      components: { C2 }20    });21    const ractive = new Ractive({22      el: fixture,23      template: '<C1/>',24      components: { C1 }25    });26    const c1 = ractive.findComponent('C1');27    const c2 = ractive.findComponent('C2');28    const c3 = ractive.findComponent('C3');29    const c4 = ractive.findComponent('C4');30    t.equal(c4.findParent('foo'), null);31    t.equal(c4.findParent('C3'), c3);32    t.equal(c4.findParent('C2'), c2);33    t.equal(c4.findParent('C1'), c1);34    t.equal(c3.findParent('C4'), null);35    t.equal(c3.findParent('C3'), null);36    t.equal(c3.findParent('C2'), c2);37    t.equal(c3.findParent('C1'), c1);38    t.equal(c2.findParent('C1'), c1);39  });...섬 연결하기.js
Source:섬 연결하기.js  
...6    parent[i] = i;7  }8  const findParent = (parent, x) => {9    if (parent[x] !== x) {10      parent[x] = findParent(parent, parent[x]);11    }12    return parent[x];13  };14  const unionParent = (parent, a, b) => {15    a = findParent(parent, a);16    b = findParent(parent, b);17    if (a < b) {18      parent[b] = a;19    } else {20      parent[a] = b;21    }22  };23  for (const [start, end, cost] of costs) {24    if (findParent(parent, start) !== findParent(parent, end)) {25      unionParent(parent, start, end);26      answer += cost;27    }28  }29  return answer;...Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch();4  const context = await browser.newContext();5  const page = await context.newPage();6  const handle = await page.$('text="Get Started"');7  const parent = await handle.evaluateHandle((node) => node.findParent('a'));8  await parent.evaluate((node) => node.click());9  await browser.close();10})();11const { chromium } = require('playwright');12(async () => {13  const browser = await chromium.launch();14  const context = await browser.newContext();15  const page = await context.newPage();16  const handle = await page.$('text="Get Started"');17  const child = await handle.evaluateHandle((node) => node.findChild('a'));18  await child.evaluate((node) => node.click());19  await browser.close();20})();21const { chromium } = require('playwright');22(async () => {23  const browser = await chromium.launch();24  const context = await browser.newContext();25  const page = await context.newPage();26  const handle = await page.$('text="Get Started"');27  const siblings = await handle.evaluateHandle((node) => node.findSiblings());28  await siblings.evaluate((node) => node.click());29  await browser.close();30})();31const { chromium } = require('playwright');32(async () => {33  const browser = await chromium.launch();34  const context = await browser.newContext();35  const page = await context.newPage();36  const handle = await page.$('text="Get Started"');37  const nextSiblings = await handle.evaluateHandle((node) => node.findNextSiblings());38  await nextSiblings.evaluate((node) => node.click());Using AI Code Generation
1const path = require('path');2const { chromium } = require('playwright');3(async () => {4  const browser = await chromium.launch();5  const context = await browser.newContext();6  const page = await context.newPage();7  const input = await page.$('input');8  const form = await input.evaluateHandle((node) => node.findParent('form'));9  await form.evaluate((node) => node.submit());10  await browser.close();11})();12const path = require('path');13const { chromium } = require('playwright');14(async () => {15  const browser = await chromium.launch();16  const context = await browser.newContext();17  const page = await context.newPage();18  const input = await page.$('input');19  const form = await input.evaluateHandle((node) => node.findParent('form'));20  await form.evaluate((node) => node.submit());21  await browser.close();22})();23const path = require('path');24const { chromium } = require('playwright');25(async () => {26  const browser = await chromium.launch();27  const context = await browser.newContext();28  const page = await context.newPage();29  const input = await page.$('input');30  const form = await input.evaluateHandle((node) => node.findParent('form'));31  await form.evaluate((node) => node.submit());32  await browser.close();33})();34const path = require('path');35const { chromium } = require('playwright');36(async () => {37  const browser = await chromium.launch();38  const context = await browser.newContext();39  const page = await context.newPage();40  const input = await page.$('input');41  const form = await input.evaluateHandle((node) => node.findParent('form'));42  await form.evaluate((node) => node.submit());43  await browser.close();44})();45const path = require('path');46const { chromium } = requireUsing AI Code Generation
1const { findParent } = require('playwright/lib/server/frames');2const { Frame } = require('playwright/lib/server/frame');3const { ElementHandle } = require('playwright/lib/server/dom');4const { JSHandle } = require('playwright/lib/server/jsHandle');5const { ElementHandleChannel } = require('playwright/lib/channels');6const { FrameChannel } = require('playwright/lib/channels');7const { JSHandleChannel } = require('playwright/lib/channels');8const { PageChannel } = require('playwright/lib/channels');9const frame = new Frame(new FrameChannel(null, null, null, null, null, null), null, null, null, null, null, null, null, null, null, null, null, null, null, null);10const elementHandle = new ElementHandle(new ElementHandleChannel(null, null, null, null, null, null), null, null, null, null, null, null, null, null, null, null, null);11const jsHandle = new JSHandle(new JSHandleChannel(null, null, null, null, null, null), null, null, null, null, null, null, null, null, null, null, null);12const page = new PageChannel(null, null, null, null, null, null);13const parent = findParent(frame, elementHandle, jsHandle, page);14console.log(parent);15    at findParent (/Users/.../test.js:8:49)16    at Object.<anonymous> (/Users/.../test.js:41:18)17    at Module._compile (internal/modules/cjs/loader.js:1158:30)18    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)19    at Module.load (internal/modules/cjs/loader.js:1002:32)20    at Function.Module._load (internal/modules/cjs/loader.js:901:14)21    at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:74:12)Using AI Code Generation
1const { findParent } = require('@playwright/test/lib/server/frames');2const { Frame } = require('@playwright/test/lib/server/chromium/crPage');3const { ElementHandle } = require('@playwright/test/lib/server/dom');4 * @param {!Frame} frame5 * @param {!ElementHandle} element6 * @param {string} selector7async function findParentElement(frame, element, selector) {8  const parent = await findParent(frame, element);9  if (!parent)10    return null;11  const handle = await parent.$(selector);12  if (handle)13    return handle;14  return findParentElement(parent._page.mainFrame(), parent, selector);15}16module.exports = { findParentElement };Using AI Code Generation
1const { findParent } = require('playwright/lib/server/dom.js');2const elementHandle = await page.$('div');3const parentElement = await findParent(elementHandle);4console.log(parentElement);5ElementHandle {6  _context: BrowserContext {7    _browser: Browser {8      _timeoutSettings: TimeoutSettings { _defaultTimeout: 30000 },9    },10    _options: {11      userAgent: 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.61 Safari/537.36',12    },13    _timeoutSettings: TimeoutSettings { _defaultTimeout: 30000 },14    _permissions: {},15    _extraHTTPHeaders: {},Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3  const browser = await chromium.launch({ headless: false, slowMo: 50 });4  const context = await browser.newContext();5  const page = await context.newPage();6  await page.click('text=Today\'s Deals');7  const popup = await page.$('#nav-xshop > a:nth-child(3)');8  const parent = await popup.evaluateHandle((node) => node.parentNode);9  await parent.click();10  await page.screenshot({ path: `example.png` });11  await browser.close();12})();LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.
Get 100 minutes of automation test minutes FREE!!
