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How to use unstable_trace method in Playwright Internal
Best JavaScript code snippet using playwright-internal
Tracing-test.internal.js
Source:Tracing-test.internal.js 
...27 describe('enableSchedulerTracing enabled', () => {28 beforeEach(() => loadModules({enableSchedulerTracing: true}));29 it('should return the value of a traced function', () => {30 expect(31 SchedulerTracing.unstable_trace('arbitrary', currentTime, () => 123),32 ).toBe(123);33 });34 it('should return the value of a clear function', () => {35 expect(SchedulerTracing.unstable_clear(() => 123)).toBe(123);36 });37 it('should return the value of a wrapped function', () => {38 let wrapped;39 SchedulerTracing.unstable_trace('arbitrary', currentTime, () => {40 wrapped = SchedulerTracing.unstable_wrap(() => 123);41 });42 expect(wrapped()).toBe(123);43 });44 it('should pass arguments through to a wrapped function', done => {45 let wrapped;46 SchedulerTracing.unstable_trace('arbitrary', currentTime, () => {47 wrapped = SchedulerTracing.unstable_wrap((param1, param2) => {48 expect(param1).toBe('foo');49 expect(param2).toBe('bar');50 done();51 });52 });53 wrapped('foo', 'bar');54 });55 it('should return an empty set when outside of a traced event', () => {56 expect(SchedulerTracing.unstable_getCurrent()).toContainNoInteractions();57 });58 it('should report the traced interaction from within the trace callback', done => {59 advanceTimeBy(100);60 SchedulerTracing.unstable_trace('some event', currentTime, () => {61 const interactions = SchedulerTracing.unstable_getCurrent();62 expect(interactions).toMatchInteractions([63 {name: 'some event', timestamp: 100},64 ]);65 done();66 });67 });68 it('should report the traced interaction from within wrapped callbacks', done => {69 let wrappedIndirection;70 function indirection() {71 const interactions = SchedulerTracing.unstable_getCurrent();72 expect(interactions).toMatchInteractions([73 {name: 'some event', timestamp: 100},74 ]);75 done();76 }77 advanceTimeBy(100);78 SchedulerTracing.unstable_trace('some event', currentTime, () => {79 wrappedIndirection = SchedulerTracing.unstable_wrap(indirection);80 });81 advanceTimeBy(50);82 wrappedIndirection();83 });84 it('should clear the interaction stack for traced callbacks', () => {85 let innerTestReached = false;86 SchedulerTracing.unstable_trace('outer event', currentTime, () => {87 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([88 {name: 'outer event'},89 ]);90 SchedulerTracing.unstable_clear(() => {91 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions(92 [],93 );94 SchedulerTracing.unstable_trace('inner event', currentTime, () => {95 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([96 {name: 'inner event'},97 ]);98 innerTestReached = true;99 });100 });101 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([102 {name: 'outer event'},103 ]);104 });105 expect(innerTestReached).toBe(true);106 });107 it('should clear the interaction stack for wrapped callbacks', () => {108 let innerTestReached = false;109 let wrappedIndirection;110 const indirection = jest.fn(() => {111 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([112 {name: 'outer event'},113 ]);114 SchedulerTracing.unstable_clear(() => {115 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions(116 [],117 );118 SchedulerTracing.unstable_trace('inner event', currentTime, () => {119 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([120 {name: 'inner event'},121 ]);122 innerTestReached = true;123 });124 });125 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([126 {name: 'outer event'},127 ]);128 });129 SchedulerTracing.unstable_trace('outer event', currentTime, () => {130 wrappedIndirection = SchedulerTracing.unstable_wrap(indirection);131 });132 wrappedIndirection();133 expect(innerTestReached).toBe(true);134 });135 it('should support nested traced events', done => {136 advanceTimeBy(100);137 let innerIndirectionTraced = false;138 let outerIndirectionTraced = false;139 function innerIndirection() {140 const interactions = SchedulerTracing.unstable_getCurrent();141 expect(interactions).toMatchInteractions([142 {name: 'outer event', timestamp: 100},143 {name: 'inner event', timestamp: 150},144 ]);145 innerIndirectionTraced = true;146 }147 function outerIndirection() {148 const interactions = SchedulerTracing.unstable_getCurrent();149 expect(interactions).toMatchInteractions([150 {name: 'outer event', timestamp: 100},151 ]);152 outerIndirectionTraced = true;153 }154 SchedulerTracing.unstable_trace('outer event', currentTime, () => {155 // Verify the current traced event156 let interactions = SchedulerTracing.unstable_getCurrent();157 expect(interactions).toMatchInteractions([158 {name: 'outer event', timestamp: 100},159 ]);160 advanceTimeBy(50);161 const wrapperOuterIndirection = SchedulerTracing.unstable_wrap(162 outerIndirection,163 );164 let wrapperInnerIndirection;165 let innerEventTraced = false;166 // Verify that a nested event is properly traced167 SchedulerTracing.unstable_trace('inner event', currentTime, () => {168 interactions = SchedulerTracing.unstable_getCurrent();169 expect(interactions).toMatchInteractions([170 {name: 'outer event', timestamp: 100},171 {name: 'inner event', timestamp: 150},172 ]);173 // Verify that a wrapped outer callback is properly traced174 wrapperOuterIndirection();175 expect(outerIndirectionTraced).toBe(true);176 wrapperInnerIndirection = SchedulerTracing.unstable_wrap(177 innerIndirection,178 );179 innerEventTraced = true;180 });181 expect(innerEventTraced).toBe(true);182 // Verify that the original event is restored183 interactions = SchedulerTracing.unstable_getCurrent();184 expect(interactions).toMatchInteractions([185 {name: 'outer event', timestamp: 100},186 ]);187 // Verify that a wrapped nested callback is properly traced188 wrapperInnerIndirection();189 expect(innerIndirectionTraced).toBe(true);190 done();191 });192 });193 describe('error handling', () => {194 it('should reset state appropriately when an error occurs in a trace callback', done => {195 advanceTimeBy(100);196 SchedulerTracing.unstable_trace('outer event', currentTime, () => {197 expect(() => {198 SchedulerTracing.unstable_trace('inner event', currentTime, () => {199 throw Error('intentional');200 });201 }).toThrow();202 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([203 {name: 'outer event', timestamp: 100},204 ]);205 done();206 });207 });208 it('should reset state appropriately when an error occurs in a wrapped callback', done => {209 advanceTimeBy(100);210 SchedulerTracing.unstable_trace('outer event', currentTime, () => {211 let wrappedCallback;212 SchedulerTracing.unstable_trace('inner event', currentTime, () => {213 wrappedCallback = SchedulerTracing.unstable_wrap(() => {214 throw Error('intentional');215 });216 });217 expect(wrappedCallback).toThrow();218 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([219 {name: 'outer event', timestamp: 100},220 ]);221 done();222 });223 });224 });225 describe('advanced integration', () => {226 it('should return a unique threadID per request', () => {227 expect(SchedulerTracing.unstable_getThreadID()).not.toBe(228 SchedulerTracing.unstable_getThreadID(),229 );230 });231 it('should expose the current set of interactions to be externally manipulated', () => {232 SchedulerTracing.unstable_trace('outer event', currentTime, () => {233 expect(SchedulerTracing.__interactionsRef.current).toBe(234 SchedulerTracing.unstable_getCurrent(),235 );236 SchedulerTracing.__interactionsRef.current = new Set([237 {name: 'override event'},238 ]);239 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([240 {name: 'override event'},241 ]);242 });243 });244 it('should expose a subscriber ref to be externally manipulated', () => {245 SchedulerTracing.unstable_trace('outer event', currentTime, () => {246 expect(SchedulerTracing.__subscriberRef).toEqual({247 current: null,248 });249 });250 });251 });252 });253 describe('enableSchedulerTracing disabled', () => {254 beforeEach(() => loadModules({enableSchedulerTracing: false}));255 it('should return the value of a traced function', () => {256 expect(257 SchedulerTracing.unstable_trace('arbitrary', currentTime, () => 123),258 ).toBe(123);259 });260 it('should return the value of a wrapped function', () => {261 let wrapped;262 SchedulerTracing.unstable_trace('arbitrary', currentTime, () => {263 wrapped = SchedulerTracing.unstable_wrap(() => 123);264 });265 expect(wrapped()).toBe(123);266 });267 it('should return null for traced interactions', () => {268 expect(SchedulerTracing.unstable_getCurrent()).toBe(null);269 });270 it('should execute traced callbacks', done => {271 SchedulerTracing.unstable_trace('some event', currentTime, () => {272 expect(SchedulerTracing.unstable_getCurrent()).toBe(null);273 done();274 });275 });276 it('should return the value of a clear function', () => {277 expect(SchedulerTracing.unstable_clear(() => 123)).toBe(123);278 });279 it('should execute wrapped callbacks', done => {280 const wrappedCallback = SchedulerTracing.unstable_wrap(() => {281 expect(SchedulerTracing.unstable_getCurrent()).toBe(null);282 done();283 });284 wrappedCallback();285 });...
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 trace = await page.context().newTrace();7 await trace.start({ screenshots: true, snapshots: true });8 await page.click('text=Show more');9 await trace.stop({ path: 'trace.zip' });10 await browser.close();11})();
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.unstable_trace('trace.zip');6 await browser.close();7})();
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 page.on('pageerror', err => {7 console.log(err);8 });9 await page.click('text=No thanks');10 await page.click('text=Sign in');11 await page.click('text=Sign in');12 await browser.close();13})();14 at assertExecutionContext (/Users/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/node_modules/playwright/lib/server/frames.js:138:13)15 at Frame._click (/Users/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/node_modules/playwright/lib/server/frames.js:444:5)16 at Frame.click (/Users/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/node_modules/playwright/lib/server/frames.js:433:21)17 at Page.click (/Users/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/node_modules/playwright/lib/server/page.js:1010:31)18 at main (/Users/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/xxxxxx/test.js:15:10)19 at processTicksAndRejections (internal/process/task_queues.js:95:5)20await page.waitForLoadState('networkidle');21await page.waitForNavigation();22await page.waitForLoadState('load');23await page.waitForLoadState('domcontentloaded');24await page.waitForLoadState('networkidle');
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 const page = await context.newPage();6 await page.screenshot({ path: `example.png` });7 await browser.close();8})();
Using AI Code Generation
1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch();4 const page = await browser.newPage();5 const trace = await page._trace.start({ screenshots: true, snapshots: true });6 await page.click('text=Get Started');7 await page.close();8 await browser.close();9 await trace.stop({ path: 'trace.zip' });10})();
Using AI Code Generation
1const { chromium } = require("playwright");2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 const trace = await page._context._browserContext._browser._channel.unstable_trace({ screenshots: true, snapshots: true });6 await page.click("text=Get started");7 await page.close();8 await browser.close();9 const result = await trace.stop();10 console.log(result);11})();12 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:411:20)13 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)14 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)15 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)16 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)17 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)18 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)19 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)20 at ChannelOwner._wrapApiCall (/Users/XXX/Projects/playwright/trace/node_modules/playwright/lib/protocol/channels.js:413:20)
Using AI Code Generation
1const playwright = require('playwright');2const trace = require('playwright/lib/trace/recorder');3const fs = require('fs');4(async () => {5 const browser = await playwright.chromium.launch();6 const context = await browser.newContext();7 const page = await context.newPage();8 const tracePath = 'trace.json';9 await trace.start(page, tracePath);10 await trace.stop(page);11 await browser.close();12})();13{14 "metadata": {15 },16 {17 "page": {18 "frame": {19 }20 },21 {22 "data": {23 }24 },25 {26 "data": {27 "responseHeaders": {28 "content-type": "text/html; charset=utf-8",29 "x-xss-protection": "1; mode=block"30 },31 }32 },33 {34 "data": {
Using AI Code Generation
1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch({ headless: false });4 const context = await browser.newContext();5 await context.tracing.start({ screenshots: true, snapshots: true });6 const page = await context.newPage();7 await context.tracing.stop({ path: 'trace.zip' });8 await browser.close();9})();
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