KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use _ensureIsolatedWorld method in Puppeteer

Best JavaScript code snippet using puppeteer

FrameManager.js

Source:FrameManager.js

...51        const { frameTree } = result[1];52        this._handleFrameTree(frameTree);53        await Promise.all([54            this._client.send('Page.setLifecycleEventsEnabled', { enabled: true }),55            this._client.send('Runtime.enable', {}).then(() => this._ensureIsolatedWorld(UTILITY_WORLD_NAME)),56            this._networkManager.initialize(),57        ]);58    }59    networkManager() {60        return this._networkManager;61    }62    async navigateFrame(frame, url, options = {}) {63        assertNoLegacyNavigationOptions(options);64        const { referer = this._networkManager.extraHTTPHeaders()['referer'], waitUntil = ['load'], timeout = this._timeoutSettings.navigationTimeout(), } = options;65        const watcher = new LifecycleWatcher_1.LifecycleWatcher(this, frame, waitUntil, timeout);66        let ensureNewDocumentNavigation = false;67        let error = await Promise.race([68            navigate(this._client, url, referer, frame._id),69            watcher.timeoutOrTerminationPromise(),70        ]);71        if (!error) {72            error = await Promise.race([73                watcher.timeoutOrTerminationPromise(),74                ensureNewDocumentNavigation ? watcher.newDocumentNavigationPromise() : watcher.sameDocumentNavigationPromise(),75            ]);76        }77        watcher.dispose();78        if (error)79            throw error;80        return watcher.navigationResponse();81        async function navigate(client, url, referrer, frameId) {82            try {83                const response = await client.send('Page.navigate', { url, referrer, frameId });84                ensureNewDocumentNavigation = !!response.loaderId;85                return response.errorText ? new Error(`${response.errorText} at ${url}`) : null;86            }87            catch (error) {88                return error;89            }90        }91    }92    async waitForFrameNavigation(frame, options = {}) {93        assertNoLegacyNavigationOptions(options);94        const { waitUntil = ['load'], timeout = this._timeoutSettings.navigationTimeout(), } = options;95        const watcher = new LifecycleWatcher_1.LifecycleWatcher(this, frame, waitUntil, timeout);96        const error = await Promise.race([97            watcher.timeoutOrTerminationPromise(),98            watcher.sameDocumentNavigationPromise(),99            watcher.newDocumentNavigationPromise()100        ]);101        watcher.dispose();102        if (error)103            throw error;104        return watcher.navigationResponse();105    }106    _onLifecycleEvent(event) {107        const frame = this._frames.get(event.frameId);108        if (!frame)109            return;110        frame._onLifecycleEvent(event.loaderId, event.name);111        this.emit(Events_1.Events.FrameManager.LifecycleEvent, frame);112    }113    _onFrameStoppedLoading(frameId) {114        const frame = this._frames.get(frameId);115        if (!frame)116            return;117        frame._onLoadingStopped();118        this.emit(Events_1.Events.FrameManager.LifecycleEvent, frame);119    }120    _handleFrameTree(frameTree) {121        if (frameTree.frame.parentId)122            this._onFrameAttached(frameTree.frame.id, frameTree.frame.parentId);123        this._onFrameNavigated(frameTree.frame);124        if (!frameTree.childFrames)125            return;126        for (const child of frameTree.childFrames)127            this._handleFrameTree(child);128    }129    page() {130        return this._page;131    }132    mainFrame() {133        return this._mainFrame;134    }135    frames() {136        return Array.from(this._frames.values());137    }138    frame(frameId) {139        return this._frames.get(frameId) || null;140    }141    _onFrameAttached(frameId, parentFrameId) {142        if (this._frames.has(frameId))143            return;144        helper_1.assert(parentFrameId);145        const parentFrame = this._frames.get(parentFrameId);146        const frame = new Frame(this, this._client, parentFrame, frameId);147        this._frames.set(frame._id, frame);148        this.emit(Events_1.Events.FrameManager.FrameAttached, frame);149    }150    _onFrameNavigated(framePayload) {151        const isMainFrame = !framePayload.parentId;152        let frame = isMainFrame ? this._mainFrame : this._frames.get(framePayload.id);153        helper_1.assert(isMainFrame || frame, 'We either navigate top level or have old version of the navigated frame');154        // Detach all child frames first.155        if (frame) {156            for (const child of frame.childFrames())157                this._removeFramesRecursively(child);158        }159        // Update or create main frame.160        if (isMainFrame) {161            if (frame) {162                // Update frame id to retain frame identity on cross-process navigation.163                this._frames.delete(frame._id);164                frame._id = framePayload.id;165            }166            else {167                // Initial main frame navigation.168                frame = new Frame(this, this._client, null, framePayload.id);169            }170            this._frames.set(framePayload.id, frame);171            this._mainFrame = frame;172        }173        // Update frame payload.174        frame._navigated(framePayload);175        this.emit(Events_1.Events.FrameManager.FrameNavigated, frame);176    }177    async _ensureIsolatedWorld(name) {178        if (this._isolatedWorlds.has(name))179            return;180        this._isolatedWorlds.add(name);181        await this._client.send('Page.addScriptToEvaluateOnNewDocument', {182            source: `//# sourceURL=${ExecutionContext_1.EVALUATION_SCRIPT_URL}`,183            worldName: name,184        }),185            await Promise.all(this.frames().map(frame => this._client.send('Page.createIsolatedWorld', {186                frameId: frame._id,187                grantUniveralAccess: true,188                worldName: name,189            }).catch(helper_1.debugError))); // frames might be removed before we send this190    }191    _onFrameNavigatedWithinDocument(frameId, url) {...

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.