How to use onWorkScheduled method in Playwright Internal

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TrackingSubscriptions-test.internal.js

Source:TrackingSubscriptions-test.internal.js Github

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1/​**2 * Copyright (c) 2013-present, Facebook, Inc.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @jest-environment node8 */​9'use strict';10describe('TrackingSubscriptions', () => {11 let SchedulerTracking;12 let ReactFeatureFlags;13 let currentTime;14 let onInteractionScheduledWorkCompleted;15 let onInteractionTracked;16 let onWorkCanceled;17 let onWorkScheduled;18 let onWorkStarted;19 let onWorkStopped;20 let throwInOnInteractionScheduledWorkCompleted;21 let throwInOnInteractionTracked;22 let throwInOnWorkCanceled;23 let throwInOnWorkScheduled;24 let throwInOnWorkStarted;25 let throwInOnWorkStopped;26 let firstSubscriber;27 let secondSubscriber;28 const firstEvent = {id: 0, name: 'first', timestamp: 0};29 const secondEvent = {id: 1, name: 'second', timestamp: 0};30 const threadID = 123;31 function loadModules({enableSchedulerTracking, autoSubscribe = true}) {32 jest.resetModules();33 jest.useFakeTimers();34 currentTime = 0;35 ReactFeatureFlags = require('shared/​ReactFeatureFlags');36 ReactFeatureFlags.enableSchedulerTracking = enableSchedulerTracking;37 SchedulerTracking = require('schedule/​tracking');38 throwInOnInteractionScheduledWorkCompleted = false;39 throwInOnInteractionTracked = false;40 throwInOnWorkCanceled = false;41 throwInOnWorkScheduled = false;42 throwInOnWorkStarted = false;43 throwInOnWorkStopped = false;44 onInteractionScheduledWorkCompleted = jest.fn(() => {45 if (throwInOnInteractionScheduledWorkCompleted) {46 throw Error('Expected error onInteractionScheduledWorkCompleted');47 }48 });49 onInteractionTracked = jest.fn(() => {50 if (throwInOnInteractionTracked) {51 throw Error('Expected error onInteractionTracked');52 }53 });54 onWorkCanceled = jest.fn(() => {55 if (throwInOnWorkCanceled) {56 throw Error('Expected error onWorkCanceled');57 }58 });59 onWorkScheduled = jest.fn(() => {60 if (throwInOnWorkScheduled) {61 throw Error('Expected error onWorkScheduled');62 }63 });64 onWorkStarted = jest.fn(() => {65 if (throwInOnWorkStarted) {66 throw Error('Expected error onWorkStarted');67 }68 });69 onWorkStopped = jest.fn(() => {70 if (throwInOnWorkStopped) {71 throw Error('Expected error onWorkStopped');72 }73 });74 firstSubscriber = {75 onInteractionScheduledWorkCompleted,76 onInteractionTracked,77 onWorkCanceled,78 onWorkScheduled,79 onWorkStarted,80 onWorkStopped,81 };82 secondSubscriber = {83 onInteractionScheduledWorkCompleted: jest.fn(),84 onInteractionTracked: jest.fn(),85 onWorkCanceled: jest.fn(),86 onWorkScheduled: jest.fn(),87 onWorkStarted: jest.fn(),88 onWorkStopped: jest.fn(),89 };90 if (autoSubscribe) {91 SchedulerTracking.unstable_subscribe(firstSubscriber);92 SchedulerTracking.unstable_subscribe(secondSubscriber);93 }94 }95 describe('enabled', () => {96 beforeEach(() => loadModules({enableSchedulerTracking: true}));97 it('should lazily subscribe to tracking and unsubscribe again if there are no external subscribers', () => {98 loadModules({enableSchedulerTracking: true, autoSubscribe: false});99 expect(SchedulerTracking.__subscriberRef.current).toBe(null);100 SchedulerTracking.unstable_subscribe(firstSubscriber);101 expect(SchedulerTracking.__subscriberRef.current).toBeDefined();102 SchedulerTracking.unstable_subscribe(secondSubscriber);103 expect(SchedulerTracking.__subscriberRef.current).toBeDefined();104 SchedulerTracking.unstable_unsubscribe(secondSubscriber);105 expect(SchedulerTracking.__subscriberRef.current).toBeDefined();106 SchedulerTracking.unstable_unsubscribe(firstSubscriber);107 expect(SchedulerTracking.__subscriberRef.current).toBe(null);108 });109 describe('error handling', () => {110 it('should cover onInteractionTracked/​onWorkStarted within', done => {111 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {112 const mock = jest.fn();113 /​/​ It should call the callback before re-throwing114 throwInOnInteractionTracked = true;115 expect(() =>116 SchedulerTracking.unstable_track(117 secondEvent.name,118 currentTime,119 mock,120 threadID,121 ),122 ).toThrow('Expected error onInteractionTracked');123 throwInOnInteractionTracked = false;124 expect(mock).toHaveBeenCalledTimes(1);125 throwInOnWorkStarted = true;126 expect(() =>127 SchedulerTracking.unstable_track(128 secondEvent.name,129 currentTime,130 mock,131 threadID,132 ),133 ).toThrow('Expected error onWorkStarted');134 expect(mock).toHaveBeenCalledTimes(2);135 /​/​ It should restore the previous/​outer interactions136 expect(SchedulerTracking.unstable_getCurrent()).toMatchInteractions([137 firstEvent,138 ]);139 /​/​ It should call other subscribers despite the earlier error140 expect(secondSubscriber.onInteractionTracked).toHaveBeenCalledTimes(141 3,142 );143 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(3);144 done();145 });146 });147 it('should cover onWorkStopped within track', done => {148 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {149 let innerInteraction;150 const mock = jest.fn(() => {151 innerInteraction = Array.from(152 SchedulerTracking.unstable_getCurrent(),153 )[1];154 });155 throwInOnWorkStopped = true;156 expect(() =>157 SchedulerTracking.unstable_track(158 secondEvent.name,159 currentTime,160 mock,161 ),162 ).toThrow('Expected error onWorkStopped');163 throwInOnWorkStopped = false;164 /​/​ It should restore the previous/​outer interactions165 expect(SchedulerTracking.unstable_getCurrent()).toMatchInteractions([166 firstEvent,167 ]);168 /​/​ It should update the interaction count so as not to interfere with subsequent calls169 expect(innerInteraction.__count).toBe(0);170 /​/​ It should call other subscribers despite the earlier error171 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(1);172 done();173 });174 });175 it('should cover onInteractionScheduledWorkCompleted within track', done => {176 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {177 const mock = jest.fn();178 throwInOnInteractionScheduledWorkCompleted = true;179 expect(() =>180 SchedulerTracking.unstable_track(181 secondEvent.name,182 currentTime,183 mock,184 ),185 ).toThrow('Expected error onInteractionScheduledWorkCompleted');186 throwInOnInteractionScheduledWorkCompleted = false;187 /​/​ It should restore the previous/​outer interactions188 expect(SchedulerTracking.unstable_getCurrent()).toMatchInteractions([189 firstEvent,190 ]);191 /​/​ It should call other subscribers despite the earlier error192 expect(193 secondSubscriber.onInteractionScheduledWorkCompleted,194 ).toHaveBeenCalledTimes(1);195 done();196 });197 });198 it('should cover the callback within track', done => {199 expect(onWorkStarted).not.toHaveBeenCalled();200 expect(onWorkStopped).not.toHaveBeenCalled();201 expect(() => {202 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {203 throw Error('Expected error callback');204 });205 }).toThrow('Expected error callback');206 expect(onWorkStarted).toHaveBeenCalledTimes(1);207 expect(onWorkStopped).toHaveBeenCalledTimes(1);208 done();209 });210 it('should cover onWorkScheduled within wrap', done => {211 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {212 const interaction = Array.from(213 SchedulerTracking.unstable_getCurrent(),214 )[0];215 const beforeCount = interaction.__count;216 throwInOnWorkScheduled = true;217 expect(() => SchedulerTracking.unstable_wrap(() => {})).toThrow(218 'Expected error onWorkScheduled',219 );220 /​/​ It should not update the interaction count so as not to interfere with subsequent calls221 expect(interaction.__count).toBe(beforeCount);222 /​/​ It should call other subscribers despite the earlier error223 expect(secondSubscriber.onWorkScheduled).toHaveBeenCalledTimes(1);224 done();225 });226 });227 it('should cover onWorkStarted within wrap', () => {228 const mock = jest.fn();229 let interaction, wrapped;230 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {231 interaction = Array.from(SchedulerTracking.unstable_getCurrent())[0];232 wrapped = SchedulerTracking.unstable_wrap(mock);233 });234 expect(interaction.__count).toBe(1);235 throwInOnWorkStarted = true;236 expect(wrapped).toThrow('Expected error onWorkStarted');237 /​/​ It should call the callback before re-throwing238 expect(mock).toHaveBeenCalledTimes(1);239 /​/​ It should update the interaction count so as not to interfere with subsequent calls240 expect(interaction.__count).toBe(0);241 /​/​ It should call other subscribers despite the earlier error242 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(2);243 });244 it('should cover onWorkStopped within wrap', done => {245 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {246 const outerInteraction = Array.from(247 SchedulerTracking.unstable_getCurrent(),248 )[0];249 expect(outerInteraction.__count).toBe(1);250 let wrapped;251 let innerInteraction;252 SchedulerTracking.unstable_track(253 secondEvent.name,254 currentTime,255 () => {256 innerInteraction = Array.from(257 SchedulerTracking.unstable_getCurrent(),258 )[1];259 expect(outerInteraction.__count).toBe(1);260 expect(innerInteraction.__count).toBe(1);261 wrapped = SchedulerTracking.unstable_wrap(jest.fn());262 expect(outerInteraction.__count).toBe(2);263 expect(innerInteraction.__count).toBe(2);264 },265 );266 expect(outerInteraction.__count).toBe(2);267 expect(innerInteraction.__count).toBe(1);268 throwInOnWorkStopped = true;269 expect(wrapped).toThrow('Expected error onWorkStopped');270 throwInOnWorkStopped = false;271 /​/​ It should restore the previous interactions272 expect(SchedulerTracking.unstable_getCurrent()).toMatchInteractions([273 outerInteraction,274 ]);275 /​/​ It should update the interaction count so as not to interfere with subsequent calls276 expect(outerInteraction.__count).toBe(1);277 expect(innerInteraction.__count).toBe(0);278 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(2);279 done();280 });281 });282 it('should cover the callback within wrap', done => {283 expect(onWorkStarted).not.toHaveBeenCalled();284 expect(onWorkStopped).not.toHaveBeenCalled();285 let wrapped;286 let interaction;287 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {288 interaction = Array.from(SchedulerTracking.unstable_getCurrent())[0];289 wrapped = SchedulerTracking.unstable_wrap(() => {290 throw Error('Expected error wrap');291 });292 });293 expect(onWorkStarted).toHaveBeenCalledTimes(1);294 expect(onWorkStopped).toHaveBeenCalledTimes(1);295 expect(wrapped).toThrow('Expected error wrap');296 expect(onWorkStarted).toHaveBeenCalledTimes(2);297 expect(onWorkStopped).toHaveBeenCalledTimes(2);298 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork([interaction]);299 done();300 });301 it('should cover onWorkCanceled within wrap', () => {302 let interaction, wrapped;303 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {304 interaction = Array.from(SchedulerTracking.unstable_getCurrent())[0];305 wrapped = SchedulerTracking.unstable_wrap(jest.fn());306 });307 expect(interaction.__count).toBe(1);308 throwInOnWorkCanceled = true;309 expect(wrapped.cancel).toThrow('Expected error onWorkCanceled');310 expect(onWorkCanceled).toHaveBeenCalledTimes(1);311 /​/​ It should update the interaction count so as not to interfere with subsequent calls312 expect(interaction.__count).toBe(0);313 expect(314 onInteractionScheduledWorkCompleted,315 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);316 /​/​ It should call other subscribers despite the earlier error317 expect(secondSubscriber.onWorkCanceled).toHaveBeenCalledTimes(1);318 });319 });320 it('calls lifecycle methods for track', () => {321 expect(onInteractionTracked).not.toHaveBeenCalled();322 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();323 SchedulerTracking.unstable_track(324 firstEvent.name,325 currentTime,326 () => {327 expect(onInteractionTracked).toHaveBeenCalledTimes(1);328 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(329 firstEvent,330 );331 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();332 expect(onWorkStarted).toHaveBeenCalledTimes(1);333 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(334 new Set([firstEvent]),335 threadID,336 );337 expect(onWorkStopped).not.toHaveBeenCalled();338 SchedulerTracking.unstable_track(339 secondEvent.name,340 currentTime,341 () => {342 expect(onInteractionTracked).toHaveBeenCalledTimes(2);343 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(344 secondEvent,345 );346 expect(347 onInteractionScheduledWorkCompleted,348 ).not.toHaveBeenCalled();349 expect(onWorkStarted).toHaveBeenCalledTimes(2);350 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(351 new Set([firstEvent, secondEvent]),352 threadID,353 );354 expect(onWorkStopped).not.toHaveBeenCalled();355 },356 threadID,357 );358 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);359 expect(360 onInteractionScheduledWorkCompleted,361 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);362 expect(onWorkStopped).toHaveBeenCalledTimes(1);363 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(364 new Set([firstEvent, secondEvent]),365 threadID,366 );367 },368 threadID,369 );370 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);371 expect(372 onInteractionScheduledWorkCompleted,373 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);374 expect(onWorkScheduled).not.toHaveBeenCalled();375 expect(onWorkCanceled).not.toHaveBeenCalled();376 expect(onWorkStarted).toHaveBeenCalledTimes(2);377 expect(onWorkStopped).toHaveBeenCalledTimes(2);378 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(379 new Set([firstEvent]),380 threadID,381 );382 });383 it('calls lifecycle methods for wrap', () => {384 const unwrapped = jest.fn();385 let wrapped;386 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {387 expect(onInteractionTracked).toHaveBeenCalledTimes(1);388 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(389 firstEvent,390 );391 SchedulerTracking.unstable_track(secondEvent.name, currentTime, () => {392 expect(onInteractionTracked).toHaveBeenCalledTimes(2);393 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(394 secondEvent,395 );396 wrapped = SchedulerTracking.unstable_wrap(unwrapped, threadID);397 expect(onWorkScheduled).toHaveBeenCalledTimes(1);398 expect(onWorkScheduled).toHaveBeenLastNotifiedOfWork(399 new Set([firstEvent, secondEvent]),400 threadID,401 );402 });403 });404 expect(onInteractionTracked).toHaveBeenCalledTimes(2);405 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();406 wrapped();407 expect(unwrapped).toHaveBeenCalled();408 expect(onWorkScheduled).toHaveBeenCalledTimes(1);409 expect(onWorkCanceled).not.toHaveBeenCalled();410 expect(onWorkStarted).toHaveBeenCalledTimes(3);411 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(412 new Set([firstEvent, secondEvent]),413 threadID,414 );415 expect(onWorkStopped).toHaveBeenCalledTimes(3);416 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(417 new Set([firstEvent, secondEvent]),418 threadID,419 );420 expect(421 onInteractionScheduledWorkCompleted.mock.calls[0][0],422 ).toMatchInteraction(firstEvent);423 expect(424 onInteractionScheduledWorkCompleted.mock.calls[1][0],425 ).toMatchInteraction(secondEvent);426 });427 it('should call the correct interaction subscriber methods when a wrapped callback is canceled', () => {428 const fnOne = jest.fn();429 const fnTwo = jest.fn();430 let wrappedOne, wrappedTwo;431 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {432 wrappedOne = SchedulerTracking.unstable_wrap(fnOne, threadID);433 SchedulerTracking.unstable_track(secondEvent.name, currentTime, () => {434 wrappedTwo = SchedulerTracking.unstable_wrap(fnTwo, threadID);435 });436 });437 expect(onInteractionTracked).toHaveBeenCalledTimes(2);438 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();439 expect(onWorkCanceled).not.toHaveBeenCalled();440 expect(onWorkStarted).toHaveBeenCalledTimes(2);441 expect(onWorkStopped).toHaveBeenCalledTimes(2);442 wrappedTwo.cancel();443 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);444 expect(445 onInteractionScheduledWorkCompleted,446 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);447 expect(onWorkCanceled).toHaveBeenCalledTimes(1);448 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(449 new Set([firstEvent, secondEvent]),450 threadID,451 );452 wrappedOne.cancel();453 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);454 expect(455 onInteractionScheduledWorkCompleted,456 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);457 expect(onWorkCanceled).toHaveBeenCalledTimes(2);458 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(459 new Set([firstEvent]),460 threadID,461 );462 expect(fnOne).not.toHaveBeenCalled();463 expect(fnTwo).not.toHaveBeenCalled();464 });465 it('should not end an interaction twice if wrap is used to schedule follow up work within another wrap', () => {466 const fnOne = jest.fn(() => {467 wrappedTwo = SchedulerTracking.unstable_wrap(fnTwo, threadID);468 });469 const fnTwo = jest.fn();470 let wrappedOne, wrappedTwo;471 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {472 wrappedOne = SchedulerTracking.unstable_wrap(fnOne, threadID);473 });474 expect(onInteractionTracked).toHaveBeenCalledTimes(1);475 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();476 wrappedOne();477 expect(onInteractionTracked).toHaveBeenCalledTimes(1);478 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();479 wrappedTwo();480 expect(onInteractionTracked).toHaveBeenCalledTimes(1);481 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);482 expect(483 onInteractionScheduledWorkCompleted,484 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);485 });486 it('should not decrement the interaction count twice if a wrapped function is run twice', () => {487 const unwrappedOne = jest.fn();488 const unwrappedTwo = jest.fn();489 let wrappedOne, wrappedTwo;490 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {491 wrappedOne = SchedulerTracking.unstable_wrap(unwrappedOne, threadID);492 wrappedTwo = SchedulerTracking.unstable_wrap(unwrappedTwo, threadID);493 });494 expect(onInteractionTracked).toHaveBeenCalledTimes(1);495 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();496 wrappedOne();497 expect(unwrappedOne).toHaveBeenCalledTimes(1);498 expect(onInteractionTracked).toHaveBeenCalledTimes(1);499 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();500 wrappedOne();501 expect(unwrappedOne).toHaveBeenCalledTimes(2);502 expect(onInteractionTracked).toHaveBeenCalledTimes(1);503 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();504 wrappedTwo();505 expect(onInteractionTracked).toHaveBeenCalledTimes(1);506 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);507 expect(508 onInteractionScheduledWorkCompleted,509 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);510 });511 it('should unsubscribe', () => {512 SchedulerTracking.unstable_unsubscribe(firstSubscriber);513 SchedulerTracking.unstable_track(firstEvent.name, currentTime, () => {});514 expect(onInteractionTracked).not.toHaveBeenCalled();515 });516 });517 describe('disabled', () => {518 beforeEach(() => loadModules({enableSchedulerTracking: false}));519 /​/​ TODO520 });...

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TracingSubscriptions-test.internal.js

Source:TracingSubscriptions-test.internal.js Github

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1/​**2 * Copyright (c) Facebook, Inc. and its affiliates.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @jest-environment node8 */​9'use strict';10describe('TracingSubscriptions', () => {11 let SchedulerTracing;12 let ReactFeatureFlags;13 let currentTime;14 let onInteractionScheduledWorkCompleted;15 let onInteractionTraced;16 let onWorkCanceled;17 let onWorkScheduled;18 let onWorkStarted;19 let onWorkStopped;20 let throwInOnInteractionScheduledWorkCompleted;21 let throwInOnInteractionTraced;22 let throwInOnWorkCanceled;23 let throwInOnWorkScheduled;24 let throwInOnWorkStarted;25 let throwInOnWorkStopped;26 let firstSubscriber;27 let secondSubscriber;28 const firstEvent = {id: 0, name: 'first', timestamp: 0};29 const secondEvent = {id: 1, name: 'second', timestamp: 0};30 const threadID = 123;31 function loadModules({enableSchedulerTracing, autoSubscribe = true}) {32 jest.resetModules();33 jest.useFakeTimers();34 currentTime = 0;35 ReactFeatureFlags = require('shared/​ReactFeatureFlags');36 ReactFeatureFlags.enableSchedulerTracing = enableSchedulerTracing;37 SchedulerTracing = require('scheduler/​tracing');38 throwInOnInteractionScheduledWorkCompleted = false;39 throwInOnInteractionTraced = false;40 throwInOnWorkCanceled = false;41 throwInOnWorkScheduled = false;42 throwInOnWorkStarted = false;43 throwInOnWorkStopped = false;44 onInteractionScheduledWorkCompleted = jest.fn(() => {45 if (throwInOnInteractionScheduledWorkCompleted) {46 throw Error('Expected error onInteractionScheduledWorkCompleted');47 }48 });49 onInteractionTraced = jest.fn(() => {50 if (throwInOnInteractionTraced) {51 throw Error('Expected error onInteractionTraced');52 }53 });54 onWorkCanceled = jest.fn(() => {55 if (throwInOnWorkCanceled) {56 throw Error('Expected error onWorkCanceled');57 }58 });59 onWorkScheduled = jest.fn(() => {60 if (throwInOnWorkScheduled) {61 throw Error('Expected error onWorkScheduled');62 }63 });64 onWorkStarted = jest.fn(() => {65 if (throwInOnWorkStarted) {66 throw Error('Expected error onWorkStarted');67 }68 });69 onWorkStopped = jest.fn(() => {70 if (throwInOnWorkStopped) {71 throw Error('Expected error onWorkStopped');72 }73 });74 firstSubscriber = {75 onInteractionScheduledWorkCompleted,76 onInteractionTraced,77 onWorkCanceled,78 onWorkScheduled,79 onWorkStarted,80 onWorkStopped,81 };82 secondSubscriber = {83 onInteractionScheduledWorkCompleted: jest.fn(),84 onInteractionTraced: jest.fn(),85 onWorkCanceled: jest.fn(),86 onWorkScheduled: jest.fn(),87 onWorkStarted: jest.fn(),88 onWorkStopped: jest.fn(),89 };90 if (autoSubscribe) {91 SchedulerTracing.unstable_subscribe(firstSubscriber);92 SchedulerTracing.unstable_subscribe(secondSubscriber);93 }94 }95 describe('enabled', () => {96 beforeEach(() => loadModules({enableSchedulerTracing: true}));97 it('should lazily subscribe to tracing and unsubscribe again if there are no external subscribers', () => {98 loadModules({enableSchedulerTracing: true, autoSubscribe: false});99 expect(SchedulerTracing.__subscriberRef.current).toBe(null);100 SchedulerTracing.unstable_subscribe(firstSubscriber);101 expect(SchedulerTracing.__subscriberRef.current).toBeDefined();102 SchedulerTracing.unstable_subscribe(secondSubscriber);103 expect(SchedulerTracing.__subscriberRef.current).toBeDefined();104 SchedulerTracing.unstable_unsubscribe(secondSubscriber);105 expect(SchedulerTracing.__subscriberRef.current).toBeDefined();106 SchedulerTracing.unstable_unsubscribe(firstSubscriber);107 expect(SchedulerTracing.__subscriberRef.current).toBe(null);108 });109 describe('error handling', () => {110 it('should cover onInteractionTraced/​onWorkStarted within', done => {111 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {112 const mock = jest.fn();113 /​/​ It should call the callback before re-throwing114 throwInOnInteractionTraced = true;115 expect(() =>116 SchedulerTracing.unstable_trace(117 secondEvent.name,118 currentTime,119 mock,120 threadID,121 ),122 ).toThrow('Expected error onInteractionTraced');123 throwInOnInteractionTraced = false;124 expect(mock).toHaveBeenCalledTimes(1);125 throwInOnWorkStarted = true;126 expect(() =>127 SchedulerTracing.unstable_trace(128 secondEvent.name,129 currentTime,130 mock,131 threadID,132 ),133 ).toThrow('Expected error onWorkStarted');134 expect(mock).toHaveBeenCalledTimes(2);135 /​/​ It should restore the previous/​outer interactions136 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([137 firstEvent,138 ]);139 /​/​ It should call other subscribers despite the earlier error140 expect(secondSubscriber.onInteractionTraced).toHaveBeenCalledTimes(3);141 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(3);142 done();143 });144 });145 it('should cover onWorkStopped within trace', done => {146 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {147 let innerInteraction;148 const mock = jest.fn(() => {149 innerInteraction = Array.from(150 SchedulerTracing.unstable_getCurrent(),151 )[1];152 });153 throwInOnWorkStopped = true;154 expect(() =>155 SchedulerTracing.unstable_trace(156 secondEvent.name,157 currentTime,158 mock,159 ),160 ).toThrow('Expected error onWorkStopped');161 throwInOnWorkStopped = false;162 /​/​ It should restore the previous/​outer interactions163 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([164 firstEvent,165 ]);166 /​/​ It should update the interaction count so as not to interfere with subsequent calls167 expect(innerInteraction.__count).toBe(0);168 /​/​ It should call other subscribers despite the earlier error169 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(1);170 done();171 });172 });173 it('should cover onInteractionScheduledWorkCompleted within trace', done => {174 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {175 const mock = jest.fn();176 throwInOnInteractionScheduledWorkCompleted = true;177 expect(() =>178 SchedulerTracing.unstable_trace(179 secondEvent.name,180 currentTime,181 mock,182 ),183 ).toThrow('Expected error onInteractionScheduledWorkCompleted');184 throwInOnInteractionScheduledWorkCompleted = false;185 /​/​ It should restore the previous/​outer interactions186 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([187 firstEvent,188 ]);189 /​/​ It should call other subscribers despite the earlier error190 expect(191 secondSubscriber.onInteractionScheduledWorkCompleted,192 ).toHaveBeenCalledTimes(1);193 done();194 });195 });196 it('should cover the callback within trace', done => {197 expect(onWorkStarted).not.toHaveBeenCalled();198 expect(onWorkStopped).not.toHaveBeenCalled();199 expect(() => {200 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {201 throw Error('Expected error callback');202 });203 }).toThrow('Expected error callback');204 expect(onWorkStarted).toHaveBeenCalledTimes(1);205 expect(onWorkStopped).toHaveBeenCalledTimes(1);206 done();207 });208 it('should cover onWorkScheduled within wrap', done => {209 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {210 const interaction = Array.from(211 SchedulerTracing.unstable_getCurrent(),212 )[0];213 const beforeCount = interaction.__count;214 throwInOnWorkScheduled = true;215 expect(() => SchedulerTracing.unstable_wrap(() => {})).toThrow(216 'Expected error onWorkScheduled',217 );218 /​/​ It should not update the interaction count so as not to interfere with subsequent calls219 expect(interaction.__count).toBe(beforeCount);220 /​/​ It should call other subscribers despite the earlier error221 expect(secondSubscriber.onWorkScheduled).toHaveBeenCalledTimes(1);222 done();223 });224 });225 it('should cover onWorkStarted within wrap', () => {226 const mock = jest.fn();227 let interaction, wrapped;228 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {229 interaction = Array.from(SchedulerTracing.unstable_getCurrent())[0];230 wrapped = SchedulerTracing.unstable_wrap(mock);231 });232 expect(interaction.__count).toBe(1);233 throwInOnWorkStarted = true;234 expect(wrapped).toThrow('Expected error onWorkStarted');235 /​/​ It should call the callback before re-throwing236 expect(mock).toHaveBeenCalledTimes(1);237 /​/​ It should update the interaction count so as not to interfere with subsequent calls238 expect(interaction.__count).toBe(0);239 /​/​ It should call other subscribers despite the earlier error240 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(2);241 });242 it('should cover onWorkStopped within wrap', done => {243 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {244 const outerInteraction = Array.from(245 SchedulerTracing.unstable_getCurrent(),246 )[0];247 expect(outerInteraction.__count).toBe(1);248 let wrapped;249 let innerInteraction;250 SchedulerTracing.unstable_trace(secondEvent.name, currentTime, () => {251 innerInteraction = Array.from(252 SchedulerTracing.unstable_getCurrent(),253 )[1];254 expect(outerInteraction.__count).toBe(1);255 expect(innerInteraction.__count).toBe(1);256 wrapped = SchedulerTracing.unstable_wrap(jest.fn());257 expect(outerInteraction.__count).toBe(2);258 expect(innerInteraction.__count).toBe(2);259 });260 expect(outerInteraction.__count).toBe(2);261 expect(innerInteraction.__count).toBe(1);262 throwInOnWorkStopped = true;263 expect(wrapped).toThrow('Expected error onWorkStopped');264 throwInOnWorkStopped = false;265 /​/​ It should restore the previous interactions266 expect(SchedulerTracing.unstable_getCurrent()).toMatchInteractions([267 outerInteraction,268 ]);269 /​/​ It should update the interaction count so as not to interfere with subsequent calls270 expect(outerInteraction.__count).toBe(1);271 expect(innerInteraction.__count).toBe(0);272 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(2);273 done();274 });275 });276 it('should cover the callback within wrap', done => {277 expect(onWorkStarted).not.toHaveBeenCalled();278 expect(onWorkStopped).not.toHaveBeenCalled();279 let wrapped;280 let interaction;281 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {282 interaction = Array.from(SchedulerTracing.unstable_getCurrent())[0];283 wrapped = SchedulerTracing.unstable_wrap(() => {284 throw Error('Expected error wrap');285 });286 });287 expect(onWorkStarted).toHaveBeenCalledTimes(1);288 expect(onWorkStopped).toHaveBeenCalledTimes(1);289 expect(wrapped).toThrow('Expected error wrap');290 expect(onWorkStarted).toHaveBeenCalledTimes(2);291 expect(onWorkStopped).toHaveBeenCalledTimes(2);292 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork([interaction]);293 done();294 });295 it('should cover onWorkCanceled within wrap', () => {296 let interaction, wrapped;297 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {298 interaction = Array.from(SchedulerTracing.unstable_getCurrent())[0];299 wrapped = SchedulerTracing.unstable_wrap(jest.fn());300 });301 expect(interaction.__count).toBe(1);302 throwInOnWorkCanceled = true;303 expect(wrapped.cancel).toThrow('Expected error onWorkCanceled');304 expect(onWorkCanceled).toHaveBeenCalledTimes(1);305 /​/​ It should update the interaction count so as not to interfere with subsequent calls306 expect(interaction.__count).toBe(0);307 expect(308 onInteractionScheduledWorkCompleted,309 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);310 /​/​ It should call other subscribers despite the earlier error311 expect(secondSubscriber.onWorkCanceled).toHaveBeenCalledTimes(1);312 });313 });314 it('calls lifecycle methods for trace', () => {315 expect(onInteractionTraced).not.toHaveBeenCalled();316 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();317 SchedulerTracing.unstable_trace(318 firstEvent.name,319 currentTime,320 () => {321 expect(onInteractionTraced).toHaveBeenCalledTimes(1);322 expect(onInteractionTraced).toHaveBeenLastNotifiedOfInteraction(323 firstEvent,324 );325 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();326 expect(onWorkStarted).toHaveBeenCalledTimes(1);327 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(328 new Set([firstEvent]),329 threadID,330 );331 expect(onWorkStopped).not.toHaveBeenCalled();332 SchedulerTracing.unstable_trace(333 secondEvent.name,334 currentTime,335 () => {336 expect(onInteractionTraced).toHaveBeenCalledTimes(2);337 expect(onInteractionTraced).toHaveBeenLastNotifiedOfInteraction(338 secondEvent,339 );340 expect(341 onInteractionScheduledWorkCompleted,342 ).not.toHaveBeenCalled();343 expect(onWorkStarted).toHaveBeenCalledTimes(2);344 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(345 new Set([firstEvent, secondEvent]),346 threadID,347 );348 expect(onWorkStopped).not.toHaveBeenCalled();349 },350 threadID,351 );352 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);353 expect(354 onInteractionScheduledWorkCompleted,355 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);356 expect(onWorkStopped).toHaveBeenCalledTimes(1);357 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(358 new Set([firstEvent, secondEvent]),359 threadID,360 );361 },362 threadID,363 );364 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);365 expect(366 onInteractionScheduledWorkCompleted,367 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);368 expect(onWorkScheduled).not.toHaveBeenCalled();369 expect(onWorkCanceled).not.toHaveBeenCalled();370 expect(onWorkStarted).toHaveBeenCalledTimes(2);371 expect(onWorkStopped).toHaveBeenCalledTimes(2);372 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(373 new Set([firstEvent]),374 threadID,375 );376 });377 it('calls lifecycle methods for wrap', () => {378 const unwrapped = jest.fn();379 let wrapped;380 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {381 expect(onInteractionTraced).toHaveBeenCalledTimes(1);382 expect(onInteractionTraced).toHaveBeenLastNotifiedOfInteraction(383 firstEvent,384 );385 SchedulerTracing.unstable_trace(secondEvent.name, currentTime, () => {386 expect(onInteractionTraced).toHaveBeenCalledTimes(2);387 expect(onInteractionTraced).toHaveBeenLastNotifiedOfInteraction(388 secondEvent,389 );390 wrapped = SchedulerTracing.unstable_wrap(unwrapped, threadID);391 expect(onWorkScheduled).toHaveBeenCalledTimes(1);392 expect(onWorkScheduled).toHaveBeenLastNotifiedOfWork(393 new Set([firstEvent, secondEvent]),394 threadID,395 );396 });397 });398 expect(onInteractionTraced).toHaveBeenCalledTimes(2);399 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();400 wrapped();401 expect(unwrapped).toHaveBeenCalled();402 expect(onWorkScheduled).toHaveBeenCalledTimes(1);403 expect(onWorkCanceled).not.toHaveBeenCalled();404 expect(onWorkStarted).toHaveBeenCalledTimes(3);405 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(406 new Set([firstEvent, secondEvent]),407 threadID,408 );409 expect(onWorkStopped).toHaveBeenCalledTimes(3);410 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(411 new Set([firstEvent, secondEvent]),412 threadID,413 );414 expect(415 onInteractionScheduledWorkCompleted.mock.calls[0][0],416 ).toMatchInteraction(firstEvent);417 expect(418 onInteractionScheduledWorkCompleted.mock.calls[1][0],419 ).toMatchInteraction(secondEvent);420 });421 it('should call the correct interaction subscriber methods when a wrapped callback is canceled', () => {422 const fnOne = jest.fn();423 const fnTwo = jest.fn();424 let wrappedOne, wrappedTwo;425 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {426 wrappedOne = SchedulerTracing.unstable_wrap(fnOne, threadID);427 SchedulerTracing.unstable_trace(secondEvent.name, currentTime, () => {428 wrappedTwo = SchedulerTracing.unstable_wrap(fnTwo, threadID);429 });430 });431 expect(onInteractionTraced).toHaveBeenCalledTimes(2);432 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();433 expect(onWorkCanceled).not.toHaveBeenCalled();434 expect(onWorkStarted).toHaveBeenCalledTimes(2);435 expect(onWorkStopped).toHaveBeenCalledTimes(2);436 wrappedTwo.cancel();437 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);438 expect(439 onInteractionScheduledWorkCompleted,440 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);441 expect(onWorkCanceled).toHaveBeenCalledTimes(1);442 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(443 new Set([firstEvent, secondEvent]),444 threadID,445 );446 wrappedOne.cancel();447 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);448 expect(449 onInteractionScheduledWorkCompleted,450 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);451 expect(onWorkCanceled).toHaveBeenCalledTimes(2);452 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(453 new Set([firstEvent]),454 threadID,455 );456 expect(fnOne).not.toHaveBeenCalled();457 expect(fnTwo).not.toHaveBeenCalled();458 });459 it('should not end an interaction twice if wrap is used to schedule follow up work within another wrap', () => {460 const fnOne = jest.fn(() => {461 wrappedTwo = SchedulerTracing.unstable_wrap(fnTwo, threadID);462 });463 const fnTwo = jest.fn();464 let wrappedOne, wrappedTwo;465 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {466 wrappedOne = SchedulerTracing.unstable_wrap(fnOne, threadID);467 });468 expect(onInteractionTraced).toHaveBeenCalledTimes(1);469 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();470 wrappedOne();471 expect(onInteractionTraced).toHaveBeenCalledTimes(1);472 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();473 wrappedTwo();474 expect(onInteractionTraced).toHaveBeenCalledTimes(1);475 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);476 expect(477 onInteractionScheduledWorkCompleted,478 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);479 });480 it('should not decrement the interaction count twice if a wrapped function is run twice', () => {481 const unwrappedOne = jest.fn();482 const unwrappedTwo = jest.fn();483 let wrappedOne, wrappedTwo;484 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {485 wrappedOne = SchedulerTracing.unstable_wrap(unwrappedOne, threadID);486 wrappedTwo = SchedulerTracing.unstable_wrap(unwrappedTwo, threadID);487 });488 expect(onInteractionTraced).toHaveBeenCalledTimes(1);489 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();490 wrappedOne();491 expect(unwrappedOne).toHaveBeenCalledTimes(1);492 expect(onInteractionTraced).toHaveBeenCalledTimes(1);493 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();494 wrappedOne();495 expect(unwrappedOne).toHaveBeenCalledTimes(2);496 expect(onInteractionTraced).toHaveBeenCalledTimes(1);497 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();498 wrappedTwo();499 expect(onInteractionTraced).toHaveBeenCalledTimes(1);500 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);501 expect(502 onInteractionScheduledWorkCompleted,503 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);504 });505 it('should unsubscribe', () => {506 SchedulerTracing.unstable_unsubscribe(firstSubscriber);507 SchedulerTracing.unstable_trace(firstEvent.name, currentTime, () => {});508 expect(onInteractionTraced).not.toHaveBeenCalled();509 });510 });511 describe('disabled', () => {512 beforeEach(() => loadModules({enableSchedulerTracing: false}));513 /​/​ TODO514 });...

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InteractionTrackingSubscriptions-test.internal.js

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1/​**2 * Copyright (c) 2013-present, Facebook, Inc.3 *4 * This source code is licensed under the MIT license found in the5 * LICENSE file in the root directory of this source tree.6 *7 * @jest-environment node8 */​9'use strict';10describe('InteractionTracking', () => {11 let InteractionTracking;12 let InteractionTrackingSubscriptions;13 let ReactFeatureFlags;14 let currentTime;15 let onInteractionScheduledWorkCompleted;16 let onInteractionTracked;17 let onWorkCanceled;18 let onWorkScheduled;19 let onWorkStarted;20 let onWorkStopped;21 let throwInOnInteractionScheduledWorkCompleted;22 let throwInOnInteractionTracked;23 let throwInOnWorkCanceled;24 let throwInOnWorkScheduled;25 let throwInOnWorkStarted;26 let throwInOnWorkStopped;27 let firstSubscriber;28 let secondSubscriber;29 const firstEvent = {id: 0, name: 'first', timestamp: 0};30 const secondEvent = {id: 1, name: 'second', timestamp: 0};31 const threadID = 123;32 function loadModules({enableInteractionTracking}) {33 jest.resetModules();34 jest.useFakeTimers();35 currentTime = 0;36 ReactFeatureFlags = require('shared/​ReactFeatureFlags');37 ReactFeatureFlags.enableInteractionTracking = enableInteractionTracking;38 InteractionTracking = require('interaction-tracking');39 InteractionTrackingSubscriptions = require('interaction-tracking/​subscriptions');40 throwInOnInteractionScheduledWorkCompleted = false;41 throwInOnInteractionTracked = false;42 throwInOnWorkCanceled = false;43 throwInOnWorkScheduled = false;44 throwInOnWorkStarted = false;45 throwInOnWorkStopped = false;46 onInteractionScheduledWorkCompleted = jest.fn(() => {47 if (throwInOnInteractionScheduledWorkCompleted) {48 throw Error('Expected error onInteractionScheduledWorkCompleted');49 }50 });51 onInteractionTracked = jest.fn(() => {52 if (throwInOnInteractionTracked) {53 throw Error('Expected error onInteractionTracked');54 }55 });56 onWorkCanceled = jest.fn(() => {57 if (throwInOnWorkCanceled) {58 throw Error('Expected error onWorkCanceled');59 }60 });61 onWorkScheduled = jest.fn(() => {62 if (throwInOnWorkScheduled) {63 throw Error('Expected error onWorkScheduled');64 }65 });66 onWorkStarted = jest.fn(() => {67 if (throwInOnWorkStarted) {68 throw Error('Expected error onWorkStarted');69 }70 });71 onWorkStopped = jest.fn(() => {72 if (throwInOnWorkStopped) {73 throw Error('Expected error onWorkStopped');74 }75 });76 firstSubscriber = {77 onInteractionScheduledWorkCompleted,78 onInteractionTracked,79 onWorkCanceled,80 onWorkScheduled,81 onWorkStarted,82 onWorkStopped,83 };84 secondSubscriber = {85 onInteractionScheduledWorkCompleted: jest.fn(),86 onInteractionTracked: jest.fn(),87 onWorkCanceled: jest.fn(),88 onWorkScheduled: jest.fn(),89 onWorkStarted: jest.fn(),90 onWorkStopped: jest.fn(),91 };92 InteractionTrackingSubscriptions.subscribe(firstSubscriber);93 InteractionTrackingSubscriptions.subscribe(secondSubscriber);94 }95 describe('enabled', () => {96 beforeEach(() => loadModules({enableInteractionTracking: true}));97 describe('error handling', () => {98 it('should cover onInteractionTracked/​onWorkStarted within', done => {99 InteractionTracking.track(firstEvent.name, currentTime, () => {100 const mock = jest.fn();101 /​/​ It should call the callback before re-throwing102 throwInOnInteractionTracked = true;103 expect(() =>104 InteractionTracking.track(105 secondEvent.name,106 currentTime,107 mock,108 threadID,109 ),110 ).toThrow('Expected error onInteractionTracked');111 throwInOnInteractionTracked = false;112 expect(mock).toHaveBeenCalledTimes(1);113 throwInOnWorkStarted = true;114 expect(() =>115 InteractionTracking.track(116 secondEvent.name,117 currentTime,118 mock,119 threadID,120 ),121 ).toThrow('Expected error onWorkStarted');122 expect(mock).toHaveBeenCalledTimes(2);123 /​/​ It should restore the previous/​outer interactions124 expect(InteractionTracking.getCurrent()).toMatchInteractions([125 firstEvent,126 ]);127 /​/​ It should call other subscribers despite the earlier error128 expect(secondSubscriber.onInteractionTracked).toHaveBeenCalledTimes(129 3,130 );131 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(3);132 done();133 });134 });135 it('should cover onWorkStopped within track', done => {136 InteractionTracking.track(firstEvent.name, currentTime, () => {137 let innerInteraction;138 const mock = jest.fn(() => {139 innerInteraction = Array.from(InteractionTracking.getCurrent())[1];140 });141 throwInOnWorkStopped = true;142 expect(() =>143 InteractionTracking.track(secondEvent.name, currentTime, mock),144 ).toThrow('Expected error onWorkStopped');145 throwInOnWorkStopped = false;146 /​/​ It should restore the previous/​outer interactions147 expect(InteractionTracking.getCurrent()).toMatchInteractions([148 firstEvent,149 ]);150 /​/​ It should update the interaction count so as not to interfere with subsequent calls151 expect(innerInteraction.__count).toBe(0);152 /​/​ It should call other subscribers despite the earlier error153 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(1);154 done();155 });156 });157 it('should cover onInteractionScheduledWorkCompleted within track', done => {158 InteractionTracking.track(firstEvent.name, currentTime, () => {159 const mock = jest.fn();160 throwInOnInteractionScheduledWorkCompleted = true;161 expect(() =>162 InteractionTracking.track(secondEvent.name, currentTime, mock),163 ).toThrow('Expected error onInteractionScheduledWorkCompleted');164 throwInOnInteractionScheduledWorkCompleted = false;165 /​/​ It should restore the previous/​outer interactions166 expect(InteractionTracking.getCurrent()).toMatchInteractions([167 firstEvent,168 ]);169 /​/​ It should call other subscribers despite the earlier error170 expect(171 secondSubscriber.onInteractionScheduledWorkCompleted,172 ).toHaveBeenCalledTimes(1);173 done();174 });175 });176 it('should cover the callback within track', done => {177 expect(onWorkStarted).not.toHaveBeenCalled();178 expect(onWorkStopped).not.toHaveBeenCalled();179 expect(() => {180 InteractionTracking.track(firstEvent.name, currentTime, () => {181 throw Error('Expected error callback');182 });183 }).toThrow('Expected error callback');184 expect(onWorkStarted).toHaveBeenCalledTimes(1);185 expect(onWorkStopped).toHaveBeenCalledTimes(1);186 done();187 });188 it('should cover onWorkScheduled within wrap', done => {189 InteractionTracking.track(firstEvent.name, currentTime, () => {190 const interaction = Array.from(InteractionTracking.getCurrent())[0];191 const beforeCount = interaction.__count;192 throwInOnWorkScheduled = true;193 expect(() => InteractionTracking.wrap(() => {})).toThrow(194 'Expected error onWorkScheduled',195 );196 /​/​ It should not update the interaction count so as not to interfere with subsequent calls197 expect(interaction.__count).toBe(beforeCount);198 /​/​ It should call other subscribers despite the earlier error199 expect(secondSubscriber.onWorkScheduled).toHaveBeenCalledTimes(1);200 done();201 });202 });203 it('should cover onWorkStarted within wrap', () => {204 const mock = jest.fn();205 let interaction, wrapped;206 InteractionTracking.track(firstEvent.name, currentTime, () => {207 interaction = Array.from(InteractionTracking.getCurrent())[0];208 wrapped = InteractionTracking.wrap(mock);209 });210 expect(interaction.__count).toBe(1);211 throwInOnWorkStarted = true;212 expect(wrapped).toThrow('Expected error onWorkStarted');213 /​/​ It should call the callback before re-throwing214 expect(mock).toHaveBeenCalledTimes(1);215 /​/​ It should update the interaction count so as not to interfere with subsequent calls216 expect(interaction.__count).toBe(0);217 /​/​ It should call other subscribers despite the earlier error218 expect(secondSubscriber.onWorkStarted).toHaveBeenCalledTimes(2);219 });220 it('should cover onWorkStopped within wrap', done => {221 InteractionTracking.track(firstEvent.name, currentTime, () => {222 const outerInteraction = Array.from(223 InteractionTracking.getCurrent(),224 )[0];225 expect(outerInteraction.__count).toBe(1);226 let wrapped;227 let innerInteraction;228 InteractionTracking.track(secondEvent.name, currentTime, () => {229 innerInteraction = Array.from(InteractionTracking.getCurrent())[1];230 expect(outerInteraction.__count).toBe(1);231 expect(innerInteraction.__count).toBe(1);232 wrapped = InteractionTracking.wrap(jest.fn());233 expect(outerInteraction.__count).toBe(2);234 expect(innerInteraction.__count).toBe(2);235 });236 expect(outerInteraction.__count).toBe(2);237 expect(innerInteraction.__count).toBe(1);238 throwInOnWorkStopped = true;239 expect(wrapped).toThrow('Expected error onWorkStopped');240 throwInOnWorkStopped = false;241 /​/​ It should restore the previous interactions242 expect(InteractionTracking.getCurrent()).toMatchInteractions([243 outerInteraction,244 ]);245 /​/​ It should update the interaction count so as not to interfere with subsequent calls246 expect(outerInteraction.__count).toBe(1);247 expect(innerInteraction.__count).toBe(0);248 expect(secondSubscriber.onWorkStopped).toHaveBeenCalledTimes(2);249 done();250 });251 });252 it('should cover the callback within wrap', done => {253 expect(onWorkStarted).not.toHaveBeenCalled();254 expect(onWorkStopped).not.toHaveBeenCalled();255 let wrapped;256 let interaction;257 InteractionTracking.track(firstEvent.name, currentTime, () => {258 interaction = Array.from(InteractionTracking.getCurrent())[0];259 wrapped = InteractionTracking.wrap(() => {260 throw Error('Expected error wrap');261 });262 });263 expect(onWorkStarted).toHaveBeenCalledTimes(1);264 expect(onWorkStopped).toHaveBeenCalledTimes(1);265 expect(wrapped).toThrow('Expected error wrap');266 expect(onWorkStarted).toHaveBeenCalledTimes(2);267 expect(onWorkStopped).toHaveBeenCalledTimes(2);268 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork([interaction]);269 done();270 });271 it('should cover onWorkCanceled within wrap', () => {272 let interaction, wrapped;273 InteractionTracking.track(firstEvent.name, currentTime, () => {274 interaction = Array.from(InteractionTracking.getCurrent())[0];275 wrapped = InteractionTracking.wrap(jest.fn());276 });277 expect(interaction.__count).toBe(1);278 throwInOnWorkCanceled = true;279 expect(wrapped.cancel).toThrow('Expected error onWorkCanceled');280 expect(onWorkCanceled).toHaveBeenCalledTimes(1);281 /​/​ It should update the interaction count so as not to interfere with subsequent calls282 expect(interaction.__count).toBe(0);283 expect(284 onInteractionScheduledWorkCompleted,285 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);286 /​/​ It should call other subscribers despite the earlier error287 expect(secondSubscriber.onWorkCanceled).toHaveBeenCalledTimes(1);288 });289 });290 it('calls lifecycle methods for track', () => {291 expect(onInteractionTracked).not.toHaveBeenCalled();292 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();293 InteractionTracking.track(294 firstEvent.name,295 currentTime,296 () => {297 expect(onInteractionTracked).toHaveBeenCalledTimes(1);298 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(299 firstEvent,300 );301 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();302 expect(onWorkStarted).toHaveBeenCalledTimes(1);303 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(304 new Set([firstEvent]),305 threadID,306 );307 expect(onWorkStopped).not.toHaveBeenCalled();308 InteractionTracking.track(309 secondEvent.name,310 currentTime,311 () => {312 expect(onInteractionTracked).toHaveBeenCalledTimes(2);313 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(314 secondEvent,315 );316 expect(317 onInteractionScheduledWorkCompleted,318 ).not.toHaveBeenCalled();319 expect(onWorkStarted).toHaveBeenCalledTimes(2);320 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(321 new Set([firstEvent, secondEvent]),322 threadID,323 );324 expect(onWorkStopped).not.toHaveBeenCalled();325 },326 threadID,327 );328 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);329 expect(330 onInteractionScheduledWorkCompleted,331 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);332 expect(onWorkStopped).toHaveBeenCalledTimes(1);333 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(334 new Set([firstEvent, secondEvent]),335 threadID,336 );337 },338 threadID,339 );340 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);341 expect(342 onInteractionScheduledWorkCompleted,343 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);344 expect(onWorkScheduled).not.toHaveBeenCalled();345 expect(onWorkCanceled).not.toHaveBeenCalled();346 expect(onWorkStarted).toHaveBeenCalledTimes(2);347 expect(onWorkStopped).toHaveBeenCalledTimes(2);348 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(349 new Set([firstEvent]),350 threadID,351 );352 });353 it('calls lifecycle methods for wrap', () => {354 const unwrapped = jest.fn();355 let wrapped;356 InteractionTracking.track(firstEvent.name, currentTime, () => {357 expect(onInteractionTracked).toHaveBeenCalledTimes(1);358 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(359 firstEvent,360 );361 InteractionTracking.track(secondEvent.name, currentTime, () => {362 expect(onInteractionTracked).toHaveBeenCalledTimes(2);363 expect(onInteractionTracked).toHaveBeenLastNotifiedOfInteraction(364 secondEvent,365 );366 wrapped = InteractionTracking.wrap(unwrapped, threadID);367 expect(onWorkScheduled).toHaveBeenCalledTimes(1);368 expect(onWorkScheduled).toHaveBeenLastNotifiedOfWork(369 new Set([firstEvent, secondEvent]),370 threadID,371 );372 });373 });374 expect(onInteractionTracked).toHaveBeenCalledTimes(2);375 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();376 wrapped();377 expect(unwrapped).toHaveBeenCalled();378 expect(onWorkScheduled).toHaveBeenCalledTimes(1);379 expect(onWorkCanceled).not.toHaveBeenCalled();380 expect(onWorkStarted).toHaveBeenCalledTimes(3);381 expect(onWorkStarted).toHaveBeenLastNotifiedOfWork(382 new Set([firstEvent, secondEvent]),383 threadID,384 );385 expect(onWorkStopped).toHaveBeenCalledTimes(3);386 expect(onWorkStopped).toHaveBeenLastNotifiedOfWork(387 new Set([firstEvent, secondEvent]),388 threadID,389 );390 expect(391 onInteractionScheduledWorkCompleted.mock.calls[0][0],392 ).toMatchInteraction(firstEvent);393 expect(394 onInteractionScheduledWorkCompleted.mock.calls[1][0],395 ).toMatchInteraction(secondEvent);396 });397 it('should call the correct interaction subscriber methods when a wrapped callback is canceled', () => {398 const fnOne = jest.fn();399 const fnTwo = jest.fn();400 let wrappedOne, wrappedTwo;401 InteractionTracking.track(firstEvent.name, currentTime, () => {402 wrappedOne = InteractionTracking.wrap(fnOne, threadID);403 InteractionTracking.track(secondEvent.name, currentTime, () => {404 wrappedTwo = InteractionTracking.wrap(fnTwo, threadID);405 });406 });407 expect(onInteractionTracked).toHaveBeenCalledTimes(2);408 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();409 expect(onWorkCanceled).not.toHaveBeenCalled();410 expect(onWorkStarted).toHaveBeenCalledTimes(2);411 expect(onWorkStopped).toHaveBeenCalledTimes(2);412 wrappedTwo.cancel();413 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);414 expect(415 onInteractionScheduledWorkCompleted,416 ).toHaveBeenLastNotifiedOfInteraction(secondEvent);417 expect(onWorkCanceled).toHaveBeenCalledTimes(1);418 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(419 new Set([firstEvent, secondEvent]),420 threadID,421 );422 wrappedOne.cancel();423 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(2);424 expect(425 onInteractionScheduledWorkCompleted,426 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);427 expect(onWorkCanceled).toHaveBeenCalledTimes(2);428 expect(onWorkCanceled).toHaveBeenLastNotifiedOfWork(429 new Set([firstEvent]),430 threadID,431 );432 expect(fnOne).not.toHaveBeenCalled();433 expect(fnTwo).not.toHaveBeenCalled();434 });435 it('should not end an interaction twice if wrap is used to schedule follow up work within another wrap', () => {436 const fnOne = jest.fn(() => {437 wrappedTwo = InteractionTracking.wrap(fnTwo, threadID);438 });439 const fnTwo = jest.fn();440 let wrappedOne, wrappedTwo;441 InteractionTracking.track(firstEvent.name, currentTime, () => {442 wrappedOne = InteractionTracking.wrap(fnOne, threadID);443 });444 expect(onInteractionTracked).toHaveBeenCalledTimes(1);445 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();446 wrappedOne();447 expect(onInteractionTracked).toHaveBeenCalledTimes(1);448 expect(onInteractionScheduledWorkCompleted).not.toHaveBeenCalled();449 wrappedTwo();450 expect(onInteractionTracked).toHaveBeenCalledTimes(1);451 expect(onInteractionScheduledWorkCompleted).toHaveBeenCalledTimes(1);452 expect(453 onInteractionScheduledWorkCompleted,454 ).toHaveBeenLastNotifiedOfInteraction(firstEvent);455 });456 it('should unsubscribe', () => {457 InteractionTrackingSubscriptions.unsubscribe(firstSubscriber);458 InteractionTracking.track(firstEvent.name, currentTime, () => {});459 expect(onInteractionTracked).not.toHaveBeenCalled();460 });461 });462 describe('disabled', () => {463 beforeEach(() => loadModules({enableInteractionTracking: false}));464 /​/​ TODO465 });...

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scheduler-tracing.development.js

Source:scheduler-tracing.development.js Github

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...93 var threadID = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : DEFAULT_THREAD_ID;94 var wrappedInteractions = exports.__interactionsRef.current;95 var subscriber = exports.__subscriberRef.current;96 if (subscriber !== null) {97 subscriber.onWorkScheduled(wrappedInteractions, threadID);98 } /​/​ Update the pending async work count for the current interactions.99 /​/​ Update after calling subscribers in case of error.100 wrappedInteractions.forEach(function (interaction) {101 interaction.__count++;102 });103 var hasRun = false;104 function wrapped() {105 var prevInteractions = exports.__interactionsRef.current;106 exports.__interactionsRef.current = wrappedInteractions;107 subscriber = exports.__subscriberRef.current;108 try {109 var returnValue;110 try {111 if (subscriber !== null) {112 subscriber.onWorkStarted(wrappedInteractions, threadID);113 }114 } finally {115 try {116 returnValue = callback.apply(undefined, arguments);117 } finally {118 exports.__interactionsRef.current = prevInteractions;119 if (subscriber !== null) {120 subscriber.onWorkStopped(wrappedInteractions, threadID);121 }122 }123 }124 return returnValue;125 } finally {126 if (!hasRun) {127 /​/​ We only expect a wrapped function to be executed once,128 /​/​ But in the event that it's executed more than once–129 /​/​ Only decrement the outstanding interaction counts once.130 hasRun = true; /​/​ Update pending async counts for all wrapped interactions.131 /​/​ If this was the last scheduled async work for any of them,132 /​/​ Mark them as completed.133 wrappedInteractions.forEach(function (interaction) {134 interaction.__count--;135 if (subscriber !== null && interaction.__count === 0) {136 subscriber.onInteractionScheduledWorkCompleted(interaction);137 }138 });139 }140 }141 }142 wrapped.cancel = function cancel() {143 subscriber = exports.__subscriberRef.current;144 try {145 if (subscriber !== null) {146 subscriber.onWorkCanceled(wrappedInteractions, threadID);147 }148 } finally {149 /​/​ Update pending async counts for all wrapped interactions.150 /​/​ If this was the last scheduled async work for any of them,151 /​/​ Mark them as completed.152 wrappedInteractions.forEach(function (interaction) {153 interaction.__count--;154 if (subscriber && interaction.__count === 0) {155 subscriber.onInteractionScheduledWorkCompleted(interaction);156 }157 });158 }159 };160 return wrapped;161}162var subscribers = null;163{164 subscribers = new Set();165}166function unstable_subscribe(subscriber) {167 {168 subscribers.add(subscriber);169 if (subscribers.size === 1) {170 exports.__subscriberRef.current = {171 onInteractionScheduledWorkCompleted: onInteractionScheduledWorkCompleted,172 onInteractionTraced: onInteractionTraced,173 onWorkCanceled: onWorkCanceled,174 onWorkScheduled: onWorkScheduled,175 onWorkStarted: onWorkStarted,176 onWorkStopped: onWorkStopped177 };178 }179 }180}181function unstable_unsubscribe(subscriber) {182 {183 subscribers.delete(subscriber);184 if (subscribers.size === 0) {185 exports.__subscriberRef.current = null;186 }187 }188}189function onInteractionTraced(interaction) {190 var didCatchError = false;191 var caughtError = null;192 subscribers.forEach(function (subscriber) {193 try {194 subscriber.onInteractionTraced(interaction);195 } catch (error) {196 if (!didCatchError) {197 didCatchError = true;198 caughtError = error;199 }200 }201 });202 if (didCatchError) {203 throw caughtError;204 }205}206function onInteractionScheduledWorkCompleted(interaction) {207 var didCatchError = false;208 var caughtError = null;209 subscribers.forEach(function (subscriber) {210 try {211 subscriber.onInteractionScheduledWorkCompleted(interaction);212 } catch (error) {213 if (!didCatchError) {214 didCatchError = true;215 caughtError = error;216 }217 }218 });219 if (didCatchError) {220 throw caughtError;221 }222}223function onWorkScheduled(interactions, threadID) {224 var didCatchError = false;225 var caughtError = null;226 subscribers.forEach(function (subscriber) {227 try {228 subscriber.onWorkScheduled(interactions, threadID);229 } catch (error) {230 if (!didCatchError) {231 didCatchError = true;232 caughtError = error;233 }234 }235 });236 if (didCatchError) {237 throw caughtError;238 }239}240function onWorkStarted(interactions, threadID) {241 var didCatchError = false;242 var caughtError = null;...

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SchedulerTracing-profiling.js

Source:SchedulerTracing-profiling.js Github

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...42 }43 });44 if (didCatchError) throw caughtError;45}46function onWorkScheduled(interactions, threadID) {47 var didCatchError = !1,48 caughtError = null;49 subscribers.forEach(function(subscriber) {50 try {51 subscriber.onWorkScheduled(interactions, threadID);52 } catch (error) {53 didCatchError || ((didCatchError = !0), (caughtError = error));54 }55 });56 if (didCatchError) throw caughtError;57}58function onWorkStarted(interactions, threadID) {59 var didCatchError = !1,60 caughtError = null;61 subscribers.forEach(function(subscriber) {62 try {63 subscriber.onWorkStarted(interactions, threadID);64 } catch (error) {65 didCatchError || ((didCatchError = !0), (caughtError = error));66 }67 });68 if (didCatchError) throw caughtError;69}70function onWorkStopped(interactions, threadID) {71 var didCatchError = !1,72 caughtError = null;73 subscribers.forEach(function(subscriber) {74 try {75 subscriber.onWorkStopped(interactions, threadID);76 } catch (error) {77 didCatchError || ((didCatchError = !0), (caughtError = error));78 }79 });80 if (didCatchError) throw caughtError;81}82function onWorkCanceled(interactions, threadID) {83 var didCatchError = !1,84 caughtError = null;85 subscribers.forEach(function(subscriber) {86 try {87 subscriber.onWorkCanceled(interactions, threadID);88 } catch (error) {89 didCatchError || ((didCatchError = !0), (caughtError = error));90 }91 });92 if (didCatchError) throw caughtError;93}94exports.unstable_clear = function(callback) {95 var prevInteractions = exports.__interactionsRef.current;96 exports.__interactionsRef.current = new Set();97 try {98 return callback();99 } finally {100 exports.__interactionsRef.current = prevInteractions;101 }102};103exports.unstable_getCurrent = function() {104 return exports.__interactionsRef.current;105};106exports.unstable_getThreadID = function() {107 return ++threadIDCounter;108};109exports.unstable_trace = function(name, timestamp, callback) {110 var threadID =111 3 < arguments.length && void 0 !== arguments[3] ? arguments[3] : 0,112 interaction = {113 __count: 1,114 id: interactionIDCounter++,115 name: name,116 timestamp: timestamp117 },118 prevInteractions = exports.__interactionsRef.current,119 interactions = new Set(prevInteractions);120 interactions.add(interaction);121 exports.__interactionsRef.current = interactions;122 var subscriber = exports.__subscriberRef.current,123 returnValue = void 0;124 try {125 if (null !== subscriber) subscriber.onInteractionTraced(interaction);126 } finally {127 try {128 if (null !== subscriber) subscriber.onWorkStarted(interactions, threadID);129 } finally {130 try {131 returnValue = callback();132 } finally {133 exports.__interactionsRef.current = prevInteractions;134 try {135 if (null !== subscriber)136 subscriber.onWorkStopped(interactions, threadID);137 } finally {138 if (139 (interaction.__count--,140 null !== subscriber && 0 === interaction.__count)141 )142 subscriber.onInteractionScheduledWorkCompleted(interaction);143 }144 }145 }146 }147 return returnValue;148};149exports.unstable_wrap = function(callback) {150 function wrapped() {151 var prevInteractions = exports.__interactionsRef.current;152 exports.__interactionsRef.current = wrappedInteractions;153 subscriber = exports.__subscriberRef.current;154 try {155 var returnValue = void 0;156 try {157 if (null !== subscriber)158 subscriber.onWorkStarted(wrappedInteractions, threadID);159 } finally {160 try {161 returnValue = callback.apply(void 0, arguments);162 } finally {163 if (164 ((exports.__interactionsRef.current = prevInteractions),165 null !== subscriber)166 )167 subscriber.onWorkStopped(wrappedInteractions, threadID);168 }169 }170 return returnValue;171 } finally {172 hasRun ||173 ((hasRun = !0),174 wrappedInteractions.forEach(function(interaction) {175 interaction.__count--;176 if (null !== subscriber && 0 === interaction.__count)177 subscriber.onInteractionScheduledWorkCompleted(interaction);178 }));179 }180 }181 var threadID =182 1 < arguments.length && void 0 !== arguments[1] ? arguments[1] : 0,183 wrappedInteractions = exports.__interactionsRef.current,184 subscriber = exports.__subscriberRef.current;185 if (null !== subscriber)186 subscriber.onWorkScheduled(wrappedInteractions, threadID);187 wrappedInteractions.forEach(function(interaction) {188 interaction.__count++;189 });190 var hasRun = !1;191 wrapped.cancel = function() {192 subscriber = exports.__subscriberRef.current;193 try {194 if (null !== subscriber)195 subscriber.onWorkCanceled(wrappedInteractions, threadID);196 } finally {197 wrappedInteractions.forEach(function(interaction) {198 interaction.__count--;199 if (subscriber && 0 === interaction.__count)200 subscriber.onInteractionScheduledWorkCompleted(interaction);...

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TracingSubscriptions.js

Source:TracingSubscriptions.js Github

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...58 if (didCatchError) {59 throw caughtError;60 }61 }62 function onWorkScheduled(interactions, threadID) {63 var didCatchError = false;64 var caughtError = null;65 subscribers.forEach(function (subscriber) {66 try {67 subscriber.onWorkScheduled(interactions, threadID);68 } catch (error) {69 if (!didCatchError) {70 didCatchError = true;71 caughtError = error;72 }73 }74 });75 if (didCatchError) {76 throw caughtError;77 }78 }79 function onWorkStarted(interactions, threadID) {80 var didCatchError = false;81 var caughtError = null;...

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Using AI Code Generation

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1const { chromium } = require('playwright');2(async () => {3 const browser = await chromium.launch();4 const page = await browser.newPage();5 await page.screenshot({ path: 'example.png' });6 await browser.close();7})();8const { chromium } = require('playwright');9(async () => {10 const browser = await chromium.launch();11 const page = await browser.newPage();12 await page.screenshot({ path: 'example.png' });13 await browser.close();14})();15const { chromium } = require('playwright');16(async () => {17 const browser = await chromium.launch();18 const page = await browser.newPage();19 await page.screenshot({ path: 'example.png' });20 await browser.close();21})();22const { chromium } = require('playwright');23(async () => {24 const browser = await chromium.launch();25 const page = await browser.newPage();26 await page.screenshot({ path: 'example.png' });27 await browser.close();28})();29const { chromium } = require('playwright');30(async () => {31 const browser = await chromium.launch();32 const page = await browser.newPage();33 await page.screenshot({ path: 'example.png' });34 await browser.close();35})();36const { chromium } = require('playwright');37(async () => {38 const browser = await chromium.launch();39 const page = await browser.newPage();40 await page.screenshot({ path: 'example.png' });41 await browser.close();42})();43const { chromium

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Using AI Code Generation

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1const playwright = require('playwright');2(async () => {3 const browser = await playwright.chromium.launch({headless: false});4 const page = await browser.newPage();5 await page.type("input[type='text']", "Hello World");6 await page.screenshot({path: `example.png`});7 await browser.close();8})();9const playwright = require('playwright');10(async () => {11 const browser = await playwright.chromium.launch({headless: false});12 const page = await browser.newPage();13 await page.type("input[type='text']", "Hello World");14 await page.screenshot({path: `example.png`});15 await browser.close();16})();17const playwright = require('playwright');18(async () => {19 const browser = await playwright.chromium.launch({headless: false});20 const page = await browser.newPage();21 await page.type("input[type='text']", "Hello World");22 await page.screenshot({path: `example.png`});23 await browser.close();24})();25const playwright = require('playwright');26(async () => {27 const browser = await playwright.chromium.launch({headless: false});28 const page = await browser.newPage();29 await page.type("input[type='text']", "Hello World");30 await page.screenshot({path: `example.png`});31 await browser.close();32})();33const playwright = require('playwright');34(async () => {35 const browser = await playwright.chromium.launch({headless: false});36 const page = await browser.newPage();37 await page.type("input[type='text']", "Hello World");38 await page.screenshot({path: `example.png`});39 await browser.close();40})();41const playwright = require('playwright');42(async () => {43 const browser = await playwright.chromium.launch({headless: false});

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Using AI Code Generation

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1const { chromium } = require('playwright');2const { onWorkScheduled } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');3(async () => {4 const browser = await chromium.launch();5 const page = await browser.newPage();6 onWorkScheduled((event) => console.log(event));7 await page.close();8 await browser.close();9})();10{11 args: {12 options: {13 }14 }15}16const { onWorkScheduled } = require('playwright/​lib/​server/​supplements/​recorder/​recorderSupplement');17const { Page } = require('playwright/​lib/​server/​page');18const { BrowserContext } = require('playwright/​lib/​server/​browserContext');19const originalPageGoto = Page.prototype.goto;20Page.prototype.goto = async function (...args) {21 const result = await originalPageGoto.apply(this, args);22 onWorkScheduled({ type: 'page', method: 'goto', args });23 return result;24};25const originalBrowserContextNewPage = BrowserContext.prototype.newPage;26BrowserContext.prototype.newPage = async function (...args) {27 const result = await originalBrowserContextNewPage.apply(this, args);28 onWorkScheduled({ type: 'browserContext', method: 'new

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Using AI Code Generation

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1const { Playwright } = require('playwright-core');2const { chromium } = require('playwright-core');3const fs = require('fs');4const browser = await chromium.launch({5});6const context = await browser.newContext();7const page = await context.newPage();8const playwright = new Playwright();9const browserServer = await playwright.chromium.launchServer({10});11const browserContext = await browserServer.newContext();12browserContext.onWorkScheduled((work) => {13 console.log(`Work scheduled: ${work.metadata.url}`);14});15browserContext.onWorkFinished((work) => {16 console.log(`Work finished: ${work.metadata.url}`);17});18const page1 = await browserContext.newPage();19const page2 = await browserContext.newPage();20const page3 = await browserContext.newPage();21const page4 = await browserContext.newPage();22const page5 = await browserContext.newPage();23const playwright = new Playwright();24const browserServer = await playwright.chromium.launchServer({25});26const browserContext = await browserServer.newContext();27browserContext.onWorkScheduled((work) => {28 console.log(`Work scheduled: ${work.metadata.url}`);29});30browserContext.onWorkFinished((work) => {31 console.log(`Work finished: ${work.metadata.url}`);32});33const page1 = await browserContext.newPage();34const page2 = await browserContext.newPage();35const page3 = await browserContext.newPage();

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Using AI Code Generation

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1const { Playwright } = require('playwright-core');2const { PlaywrightDispatcher } = Playwright;3const { DispatcherConnection } = require('playwright-core/​lib/​server/​dispatcher');4const connection = new DispatcherConnection();5const playwrightDispatcher = new PlaywrightDispatcher(connection, Playwright);6const playwright = playwrightDispatcher._object;7playwright.on('workScheduled', (event) => {8 console.log('workScheduled', event);9});10playwright.on('workStarted', (event) => {11 console.log('workStarted', event);12});13playwright.on('workDone', (event) => {14 console.log('workDone', event);15});16playwright.on('workCanceled', (event) => {17 console.log('workCanceled', event);18});19playwright.on('workFailed', (event) => {20 console.log('workFailed', event);21});22const browser = await playwright.chromium.launch();23const context = await browser.newContext();24const page = await context.newPage();25await browser.close();

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Using AI Code Generation

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1const { Playwright } = require('playwright');2const playwright = new Playwright();3const { helper } = playwright._electron;4const { onWorkScheduled } = helper;5onWorkScheduled((event) => {6 console.log('onWorkScheduled', event);7});8const { Playwright } = require('playwright');9const playwright = new Playwright();10const { helper } = playwright._electron;11const { onWorkStopped } = helper;12onWorkStopped((event) => {13 console.log('onWorkStopped', event);14});15- [playwright](

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Using AI Code Generation

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1const { onWorkScheduled } = require("@playwright/​test/​lib/​worker/​workerType");2onWorkScheduled((payload) => {3 console.log("onWorkScheduled", payload);4});5const { onWorkStarted } = require("@playwright/​test/​lib/​worker/​workerType");6onWorkStarted((payload) => {7 console.log("onWorkStarted", payload);8});9const { onWorkDone } = require("@playwright/​test/​lib/​worker/​workerType");10onWorkDone((payload) => {11 console.log("onWorkDone", payload);12});13const { onBeforeInput } = require("@playwright/​test/​lib/​worker/​workerType");14onBeforeInput((payload) => {15 console.log("onBeforeInput", payload);16});17const { onAfterInput } = require("@playwright/​test/​lib/​worker/​workerType");18onAfterInput((payload) => {19 console.log("onAfterInput", payload);20});21const { onBeforeCall } = require("@playwright/​test/​lib/​worker/​workerType");22onBeforeCall((payload) => {23 console.log("onBeforeCall", payload);24});25const { onAfterCall } = require("@playwright/​test/​lib/​worker/​workerType");26onAfterCall((payload) => {27 console.log("onAfterCall", payload);28});29const { onBeforeWaitForEvent } = require("@playwright/​test/​lib/​worker/​workerType");30onBeforeWaitForEvent((payload) => {31 console.log("onBeforeWaitForEvent", payload);32});33const { onAfterWaitForEvent } = require("@playwright/​test/​lib/​worker/​workerType");34onAfterWaitForEvent((payload) => {35 console.log("onAfterWaitForEvent", payload);36});37const { onBeforeWaitForTimeout } = require("@

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Using AI Code Generation

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1const playwright = require("playwright");2const { onWorkScheduled } = playwright._internalApi;3const { onWorkStarted, onWorkDone } = onWorkScheduled(4 (event) => console.log(event),5 { waitForStableState: true }6);7const playwright = require("playwright");8const { onWorkStarted, onWorkDone } = playwright._internalApi;9onWorkStarted((event) => console.log(event));10onWorkDone((event) => console.log(event));11const playwright = require("playwright");12const { onWorkStarted, onWorkDone } = playwright._internalApi;13onWorkStarted((event) => console.log(event));14onWorkDone((event) => console.log(event));

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Playwright tutorial

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.

Chapters:

  1. What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
  2. How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
  3. Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
  4. What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
  5. Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
  6. Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
  7. Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
  8. Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
  9. Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
  10. Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
  11. Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
  12. Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.

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