How to use getDeferredPromise method in Cypress

Best JavaScript code snippet using cypress

MasterRuntime.js

Source: MasterRuntime.js Github

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...197 this._messageHandlerMap.set(Messages.GET_ACTIVATION, async (payload, pid) => this._getActivation(pid, payload));198 this._messageHandlerMap.set(Messages.CREATED, async (payload, pid) => {199 const identity = this.getIdentityString(payload.grainReference, payload.key);200 this._grainActivationMap.get(identity).activationPid = pid;201 this.getDeferredPromise(payload.uuid).resolve();202 });203 this._messageHandlerMap.set(Messages.ACTIVATION_ERROR, async (payload) => this.getDeferredPromise(payload.uuid).reject(payload.error));204 this._messageHandlerMap.set(Messages.INVOKE, async (payload, pid) => this._invoke(pid, payload));205 this._messageHandlerMap.set(Messages.INVOKE_RESULT, async (payload) => this.getDeferredPromise(payload.uuid).resolve(payload.result));206 this._messageHandlerMap.set(Messages.INVOKE_ERROR, async (payload) => this.getDeferredPromise(payload.uuid).reject(payload.error));207 this._messageHandlerMap.set(Messages.DEACTIVATE, async (payload) => this._deactivate(payload.identity, true));208 this._messageHandlerMap.set(Messages.DEACTIVATED, async (payload) => this.getDeferredPromise(payload.uuid).resolve());209 this._messageHandlerMap.set(Messages.STOP_SILO, async () => this.stop());210 }...

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helper_workers.js

Source: helper_workers.js Github

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...16/​**17 * Returns a thenable promise18 * @return {Promise}19 */​20function getDeferredPromise() {21 /​/​ Override promise with deprecated-sync-thenables22 const promise = require("devtools/​shared/​deprecated-sync-thenables");23 return promise;24}25function jsonrpc(tab, method, params) {26 return new Promise(function(resolve, reject) {27 const currentId = nextId++;28 const messageManager = tab.linkedBrowser.messageManager;29 messageManager.sendAsyncMessage("jsonrpc", {30 method: method,31 params: params,32 id: currentId,33 });34 messageManager.addMessageListener("jsonrpc", function listener(res) {35 const {36 data: { result, error, id },37 } = res;38 if (id !== currentId) {39 return;40 }41 messageManager.removeMessageListener("jsonrpc", listener);42 if (error != null) {43 reject(error);44 }45 resolve(result);46 });47 });48}49function createWorkerInTab(tab, url) {50 info("Creating worker with url '" + url + "' in tab.");51 return jsonrpc(tab, "createWorker", [url]);52}53function terminateWorkerInTab(tab, url) {54 info("Terminating worker with url '" + url + "' in tab.");55 return jsonrpc(tab, "terminateWorker", [url]);56}57function postMessageToWorkerInTab(tab, url, message) {58 info("Posting message to worker with url '" + url + "' in tab.");59 return jsonrpc(tab, "postMessageToWorker", [url, message]);60}61function generateMouseClickInTab(tab, path) {62 info("Generating mouse click in tab.");63 return jsonrpc(tab, "generateMouseClick", [path]);64}65function evalInTab(tab, string) {66 info("Evalling string in tab.");67 return jsonrpc(tab, "_eval", [string]);68}69function callInTab(tab, name) {70 info("Calling function with name '" + name + "' in tab.");71 return jsonrpc(tab, "call", [name, Array.prototype.slice.call(arguments, 2)]);72}73function connect(client) {74 info("Connecting client.");75 return client.connect();76}77function close(client) {78 info("Waiting for client to close.\n");79 return client.close();80}81function listTabs(client) {82 info("Listing tabs.");83 return client.mainRoot.listTabs();84}85function findTab(tabs, url) {86 info("Finding tab with url '" + url + "'.");87 for (const tab of tabs) {88 if (tab.url === url) {89 return tab;90 }91 }92 return null;93}94function listWorkers(targetFront) {95 info("Listing workers.");96 return targetFront.listWorkers();97}98function findWorker(workers, url) {99 info("Finding worker with url '" + url + "'.");100 for (const worker of workers) {101 if (worker.url === url) {102 return worker;103 }104 }105 return null;106}107function waitForWorkerListChanged(targetFront) {108 info("Waiting for worker list to change.");109 return targetFront.once("workerListChanged");110}111function attachThread(workerTargetFront, options) {112 info("Attaching to thread.");113 return workerTargetFront.attachThread(options);114}115async function waitForWorkerClose(workerTargetFront) {116 info("Waiting for worker to close.");117 await workerTargetFront.once("close");118 info("Worker did close.");119}120/​/​ Return a promise with a reference to jsterm, opening the split121/​/​ console if necessary. This cleans up the split console pref so122/​/​ it won't pollute other tests.123function getSplitConsole(toolbox, win) {124 if (!win) {125 win = toolbox.win;126 }127 if (!toolbox.splitConsole) {128 EventUtils.synthesizeKey("VK_ESCAPE", {}, win);129 }130 return new Promise(resolve => {131 toolbox.getPanelWhenReady("webconsole").then(() => {132 ok(toolbox.splitConsole, "Split console is shown.");133 const jsterm = toolbox.getPanel("webconsole").hud.jsterm;134 resolve(jsterm);135 });136 });137}138async function initWorkerDebugger(TAB_URL, WORKER_URL) {139 const tab = await addTab(TAB_URL);140 const target = await TargetFactory.forTab(tab);141 await target.attach();142 const { client } = target;143 await createWorkerInTab(tab, WORKER_URL);144 const { workers } = await listWorkers(target);145 const workerTargetFront = findWorker(workers, WORKER_URL);146 const toolbox = await gDevTools.showToolbox(147 workerTargetFront,148 "jsdebugger",149 Toolbox.HostType.WINDOW150 );151 const debuggerPanel = toolbox.getCurrentPanel();152 const gDebugger = debuggerPanel.panelWin;153 const context = createDebuggerContext(toolbox);154 return {155 ...context,156 client,157 tab,158 target,159 workerTargetFront,160 toolbox,161 gDebugger,162 };163}164/​/​ Override addTab/​removeTab as defined by shared-head, since these have165/​/​ an extra window parameter and add a frame script166this.addTab = function addTab(url, win) {167 info("Adding tab: " + url);168 const deferred = getDeferredPromise().defer();169 const targetWindow = win || window;170 const targetBrowser = targetWindow.gBrowser;171 targetWindow.focus();172 const tab = (targetBrowser.selectedTab = BrowserTestUtils.addTab(173 targetBrowser,174 url175 ));176 const linkedBrowser = tab.linkedBrowser;177 info("Loading frame script with url " + FRAME_SCRIPT_URL + ".");178 linkedBrowser.messageManager.loadFrameScript(FRAME_SCRIPT_URL, false);179 BrowserTestUtils.browserLoaded(linkedBrowser).then(function() {180 info("Tab added and finished loading: " + url);181 deferred.resolve(tab);182 });183 return deferred.promise;184};185this.removeTab = function removeTab(tab, win) {186 info("Removing tab.");187 const deferred = getDeferredPromise().defer();188 const targetWindow = win || window;189 const targetBrowser = targetWindow.gBrowser;190 const tabContainer = targetBrowser.tabContainer;191 tabContainer.addEventListener(192 "TabClose",193 function() {194 info("Tab removed and finished closing.");195 deferred.resolve();196 },197 { once: true }198 );199 targetBrowser.removeTab(tab);200 return deferred.promise;201};202async function attachThreadActorForTab(tab) {203 const target = await TargetFactory.forTab(tab);204 await target.attach();205 const [, threadClient] = await target.attachThread();206 await threadClient.resume();207 return { client: target.client, threadClient };208}209function pushPrefs(...aPrefs) {210 const deferred = getDeferredPromise().defer();211 SpecialPowers.pushPrefEnv({ set: aPrefs }, deferred.resolve);212 return deferred.promise;213}214function popPrefs() {215 const deferred = getDeferredPromise().defer();216 SpecialPowers.popPrefEnv(deferred.resolve);217 return deferred.promise;...

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Deferred.js

Source: Deferred.js Github

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...84 /​**85 * @return {Promise}86 */​87 promise: function() {88 return this.getDeferredPromise();89 },90 /​**91 * @param {function(...):*=} fulfilledFunction92 * @param {function(...):*=} rejectedFunction93 * @return {Promise}94 */​95 then: function(fulfilledFunction, rejectedFunction) {96 return this.deferredPromise.then(fulfilledFunction, rejectedFunction);97 }98 });99 /​/​-------------------------------------------------------------------------------100 /​/​ Exports101 /​/​-------------------------------------------------------------------------------102 bugpack.export('Deferred', Deferred);...

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helper_addons.js

Source: helper_addons.js Github

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...15/​**16 * Returns a thenable promise17 * @return {Promise}18 */​19function getDeferredPromise() {20 /​/​ Override promise with deprecated-sync-thenables21 const promise = require("devtools/​shared/​deprecated-sync-thenables");22 return promise;23}24function getAddonURIFromPath(path) {25 const chromeURI = Services.io.newURI(path, null, DEBUGGER_CHROME_URI);26 return chromeRegistry27 .convertChromeURL(chromeURI)28 .QueryInterface(Ci.nsIFileURL);29}30function addTemporaryAddon(path) {31 const addonFile = getAddonURIFromPath(path).file;32 info("Installing addon: " + addonFile.path);33 return AddonManager.installTemporaryAddon(addonFile);34}35function removeAddon(addon) {36 info("Removing addon.");37 const deferred = getDeferredPromise().defer();38 const listener = {39 onUninstalled: function(uninstalledAddon) {40 if (uninstalledAddon != addon) {41 return;42 }43 AddonManager.removeAddonListener(listener);44 deferred.resolve();45 },46 };47 AddonManager.addAddonListener(listener);48 addon.uninstall();49 return deferred.promise;...

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utils.js

Source: utils.js Github

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...42}43export const loadImage = async (src, { delay = 1000 } = {}) => {44 const image = new Image()45 const wait = new Promise(resolve => setTimeout(resolve, delay))46 const { resolve, promise: onLoad } = getDeferredPromise()47 image.onload = resolve48 image.src = src49 return Promise.all([wait, onLoad])...

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Using AI Code Generation

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1Cypress.Promise.getDeferredPromise = () => {2 let deferred = {}3 deferred.promise = new Cypress.Promise((resolve, reject) => {4 })5}6Cypress.Commands.add('getDeferredPromise', () => {7 return Cypress.Promise.getDeferredPromise()8})9describe('My First Test', function() {10 it('Does not do much!', function() {11 cy.getDeferredPromise()12 .then((deferred) => {13 deferred.resolve()14 })15 })16})17Cypress.Commands.add('getDeferredPromise', () => {18 return Cypress.Promise.getDeferredPromise()19})20describe('My First Test', function() {21 it('Does not do much!', function() {22 cy.getDeferredPromise()23 .then((deferred) => {24 deferred.resolve()25 })26 })27})28Cypress.Commands.add('getDeferredPromise', () => {29 return Cypress.Promise.getDeferredPromise()30})31describe('My First Test', function() {32 it('Does not do much!', function() {33 cy.getDeferredPromise()34 .then((deferred) => {35 deferred.resolve()36 })37 })38})39Cypress.Commands.add('getDeferredPromise', () => {40 return Cypress.Promise.getDeferredPromise()41})42describe('My First Test', function() {43 it('Does not do much!', function() {44 cy.getDeferredPromise()45 .then((deferred) => {46 deferred.resolve()47 })48 })49})50Cypress.Commands.add('getDeferredPromise', () => {51 return Cypress.Promise.getDeferredPromise()52})53describe('My First Test', function() {54 it('Does not do much!', function() {55 cy.getDeferredPromise()56 .then((deferred) => {57 deferred.resolve()58 })59 })60})61Cypress.Commands.add('getDeferredPromise', () => {62 return Cypress.Promise.getDeferredPromise()63})64describe('My First Test', function() {

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Using AI Code Generation

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1Cypress.Promise.getDeferredPromise = function() {2 var deferred = {};3 deferred.promise = new Cypress.Promise(function(resolve, reject) {4 deferred.resolve = resolve;5 deferred.reject = reject;6 });7 return deferred;8};9var deferred = Cypress.Promise.getDeferredPromise();10var promise = deferred.promise;11promise.then(function(value) {12 console.log('resolved', value);13}, function(reason) {14 console.log('rejected', reason);15});16deferred.resolve('ok');17deferred.reject('error');18Cypress.Promise.getDeferredPromise = function() {19 var deferred = {};20 deferred.promise = new Cypress.Promise(function(resolve, reject) {21 deferred.resolve = resolve;22 deferred.reject = reject;23 });24 return deferred;25};26var deferred = Cypress.Promise.getDeferredPromise();27var promise = deferred.promise;28promise.then(function(value) {29 console.log('resolved', value);30}, function(reason) {31 console.log('rejected', reason);32});33deferred.resolve('ok');34deferred.reject('error');35Cypress.Promise.getDeferredPromise = function() {36 var deferred = {};37 deferred.promise = new Cypress.Promise(function(resolve, reject) {38 deferred.resolve = resolve;39 deferred.reject = reject;40 });41 return deferred;42};43var deferred = Cypress.Promise.getDeferredPromise();44var promise = deferred.promise;45promise.then(function(value) {46 console.log('resolved', value);47}, function(reason) {48 console.log('rejected', reason);49});50deferred.resolve('ok');51deferred.reject('error');52Cypress.Promise.getDeferredPromise = function() {53 var deferred = {};54 deferred.promise = new Cypress.Promise(function(resolve, reject) {55 deferred.resolve = resolve;56 deferred.reject = reject;57 });58 return deferred;59};60var deferred = Cypress.Promise.getDeferredPromise();61var promise = deferred.promise;62promise.then(function(value) {63 console.log('resolved', value);64}, function(reason

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Using AI Code Generation

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1const getDeferredPromise = Cypress.Promise.defer;2const getDeferredPromise = Cypress.Promise.defer;3const getDeferredPromise = Cypress.Promise.defer;4const getDeferredPromise = Cypress.Promise.defer;5const getDeferredPromise = Cypress.Promise.defer;6const getDeferredPromise = Cypress.Promise.defer;7const getDeferredPromise = Cypress.Promise.defer;8const getDeferredPromise = Cypress.Promise.defer;9const getDeferredPromise = Cypress.Promise.defer;10const getDeferredPromise = Cypress.Promise.defer;11const getDeferredPromise = Cypress.Promise.defer;12const getDeferredPromise = Cypress.Promise.defer;13const getDeferredPromise = Cypress.Promise.defer;

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Using AI Code Generation

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1Cypress.Commands.add('getDeferredPromise', (selector) => {2 return cy.window().then((win) => {3 return new Promise((resolve) => {4 win.Promise.all([5 win.angular.getTestability(win.document.body).whenStable(resolve)6 ]).then(() => {7 cy.get(selector).then((el) => {8 resolve(el);9 });10 });11 });12 });13});14it('should get deferred promise', () => {15 cy.getDeferredPromise('input').type('test');16});

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Using AI Code Generation

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1describe('Test', () => {2 it('Test', () => {3 cy.getDeferredPromise()4 .then(() => {5 return new Promise((resolve) => {6 setTimeout(() => {7 console.log('Promise resolved');8 resolve();9 }, 1000);10 });11 });12 });13});14Cypress.Commands.add('getDeferredPromise', () => {15 return new Cypress.Promise((resolve) => {16 resolve();17 });18});

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Using AI Code Generation

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1const getDeferredPromise = Cypress.Promise.getDeferredPromise;2const deferred = getDeferredPromise();3const promise = deferred.promise;4promise.then((data) => {5 console.log(data);6});7deferred.resolve('Hello World');8const getDeferredPromise = Cypress.Promise.getDeferredPromise;9const deferred = getDeferredPromise();10const promise = deferred.promise;11promise.then((data) => {12 console.log(data);13});14deferred.resolve('Hello World');

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Using AI Code Generation

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1const getDeferredPromise = () => new Cypress.Promise(resolve => {2 Cypress.on('uncaught:exception', (err, runnable) => {3 })4 cy.get('#myelement').then((el) => {5 resolve(el)6 })7})8describe('My Test', () => {9 it('My Test Case', () => {10 cy.get('#myelement').then((el) => {11 console.log(el)12 })13 })14})15Cypress.Commands.add('getDeferredPromise', () => {16 return new Cypress.Promise(resolve => {17 Cypress.on('uncaught:exception', (err, runnable) => {18 })19 cy.get('#myelement').then((el) => {20 resolve(el)21 })22 })23})24describe('My Test', () => {25 it('My Test Case', () => {26 cy.getDeferredPromise().then((el) => {27 console.log(el)28 })29 })30})

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Using AI Code Generation

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1Cypress.Promise.getDeferredPromise = function (delay) {2 var deferred = Cypress.Promise.defer();3 setTimeout(deferred.resolve, delay);4 return deferred.promise;5};6Cypress.Promise.getDeferredPromise = function (delay) {7 var deferred = Cypress.Promise.defer();8 setTimeout(deferred.resolve, delay);9 return deferred.promise;10};11Cypress.Promise.getDeferredPromise = function (delay) {12 var deferred = Cypress.Promise.defer();13 setTimeout(deferred.resolve, delay);14 return deferred.promise;15};16Cypress.Promise.getDeferredPromise = function (delay) {17 var deferred = Cypress.Promise.defer();18 setTimeout(deferred.resolve, delay);19 return deferred.promise;20};21Cypress.Promise.getDeferredPromise = function (delay) {22 var deferred = Cypress.Promise.defer();23 setTimeout(deferred.resolve, delay);24 return deferred.promise;25};26Cypress.Promise.getDeferredPromise = function (delay) {27 var deferred = Cypress.Promise.defer();28 setTimeout(deferred.resolve, delay);29 return deferred.promise;30};31Cypress.Promise.getDeferredPromise = function (delay) {32 var deferred = Cypress.Promise.defer();33 setTimeout(deferred.resolve, delay);34 return deferred.promise;35};36Cypress.Promise.getDeferredPromise = function (delay) {37 var deferred = Cypress.Promise.defer();38 setTimeout(deferred.resolve, delay);39 return deferred.promise;40};

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Using AI Code Generation

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1Cypress.Commands.add('getDeferredPromise', () => {2 let deferred = {}3 deferred.promise = new Cypress.Promise((resolve, reject) => {4 })5})6Cypress.Commands.add('getDeferredPromise', () => {7 let deferred = {}8 deferred.promise = new Cypress.Promise((resolve, reject) => {9 })10})11Cypress.Commands.add('getDeferredPromise', () => {12 let deferred = {}13 deferred.promise = new Cypress.Promise((resolve, reject) => {14 })15})16Cypress.Commands.add('getDeferredPromise', () => {17 let deferred = {}18 deferred.promise = new Cypress.Promise((resolve, reject) => {19 })20})21Cypress.Commands.add('getDeferredPromise', () => {22 let deferred = {}23 deferred.promise = new Cypress.Promise((resolve, reject) => {24 })25})26Cypress.Commands.add('getDeferredPromise', () => {27 let deferred = {}28 deferred.promise = new Cypress.Promise((resolve, reject) => {29 })30})31Cypress.Commands.add('get

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Using AI Code Generation

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1cy.getDeferredPromise().then(function(){2})3cy.resolveDeferredPromise()4Cypress.Commands.add('getDeferredPromise', () => {5 return new Cypress.Promise((resolve) => {6 Cypress.DeferredPromise = resolve;7 });

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2022 here and tested with cypress version: "6.x.x" until "10.x.x"

You could use { force: true } like:

cy.get("YOUR_SELECTOR").click({ force: true });

but this might not solve it ! The problem might be more complex, that's why check below

My solution:

cy.get("YOUR_SELECTOR").trigger("click");

Explanation:

In my case, I needed to watch a bit deeper what's going on. I started by pin the click action like this:

enter image description here

Then watch the console, and you should see something like: enter image description here

Now click on line Mouse Events, it should display a table: enter image description here

So basically, when Cypress executes the click function, it triggers all those events but somehow my component behave the way that it is detached the moment where click event is triggered.

So I just simplified the click by doing:

cy.get("YOUR_SELECTOR").trigger("click");

And it worked ????

Hope this will fix your issue or at least help you debug and understand what's wrong.

https://stackoverflow.com/questions/51254946/cypress-does-not-always-executes-click-on-element

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