remove a bunch of act calls in useSuspenseQuery test

[phryneas]

Since this test suite is extremely slow in React 19, I want to try if removing act where possible speeds it up in any way.

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size-limit report 📦

Path	Size
dist/apollo-client.min.cjs	38.68 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs"	47.48 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/main.cjs" (production)	45.05 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js"	34.22 KB (0%)
import { ApolloClient, InMemoryCache, HttpLink } from "dist/index.js" (production)	32.08 KB (0%)
import { ApolloProvider } from "dist/react/index.js"	1.26 KB (0%)
import { ApolloProvider } from "dist/react/index.js" (production)	1.24 KB (0%)
import { useQuery } from "dist/react/index.js"	5.32 KB (0%)
import { useQuery } from "dist/react/index.js" (production)	4.39 KB (0%)
import { useLazyQuery } from "dist/react/index.js"	5.6 KB (0%)
import { useLazyQuery } from "dist/react/index.js" (production)	4.67 KB (0%)
import { useMutation } from "dist/react/index.js"	3.59 KB (0%)
import { useMutation } from "dist/react/index.js" (production)	2.81 KB (0%)
import { useSubscription } from "dist/react/index.js"	3.23 KB (0%)
import { useSubscription } from "dist/react/index.js" (production)	2.43 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js"	5.47 KB (0%)
import { useSuspenseQuery } from "dist/react/index.js" (production)	4.12 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js"	4.98 KB (0%)
import { useBackgroundQuery } from "dist/react/index.js" (production)	3.63 KB (0%)
import { useLoadableQuery } from "dist/react/index.js"	5.04 KB (0%)
import { useLoadableQuery } from "dist/react/index.js" (production)	3.69 KB (0%)
import { useReadQuery } from "dist/react/index.js"	3.35 KB (0%)
import { useReadQuery } from "dist/react/index.js" (production)	3.3 KB (0%)
import { useFragment } from "dist/react/index.js"	2.32 KB (0%)
import { useFragment } from "dist/react/index.js" (production)	2.27 KB (0%)

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[phryneas]

With this PR:

% hyperfine --runs 5 -- 'yarn test useSuspenseQuery --selectProjects "ReactDOM 18" --silent'
Benchmark 1: yarn test useSuspenseQuery --selectProjects "ReactDOM 18" --silent
  Time (mean ± σ):     10.244 s ±  1.850 s    [User: 6.877 s, System: 0.606 s]
  Range (min … max):    9.359 s … 13.551 s    5 runs
% hyperfine --runs 5 -- 'yarn test useSuspenseQuery --selectProjects "ReactDOM 19" --silent'
Benchmark 1: yarn test useSuspenseQuery --selectProjects "ReactDOM 19" --silent
  Time (mean ± σ):     68.795 s ±  1.287 s    [User: 9.550 s, System: 0.811 s]
  Range (min … max):   68.105 s … 71.078 s    5 runs

On main:

% hyperfine --runs 5 -- 'yarn test useSuspenseQuery --selectProjects "ReactDOM 18" --silent'          main
Benchmark 1: yarn test useSuspenseQuery --selectProjects "ReactDOM 18" --silent
  Time (mean ± σ):      9.385 s ±  0.907 s    [User: 6.011 s, System: 0.599 s]
  Range (min … max):    8.907 s … 11.004 s    5 runs
% hyperfine --runs 5 -- 'yarn test useSuspenseQuery --selectProjects "ReactDOM 19" --silent'          main
Benchmark 1: yarn test useSuspenseQuery --selectProjects "ReactDOM 19" --silent
  Time (mean ± σ):     77.302 s ±  1.008 s    [User: 14.714 s, System: 1.897 s]
  Range (min … max):   76.564 s … 78.775 s    5 runs

So, this shaves off about 10s, but does not make the big difference.

[phryneas]

I did some further investigation, and there are a few test impacted by this. I have very small sample sizes, so some of these numbers might be hiccups.

Tests that significantly changed from bad change to good change (positive numbers bad, negative numbers good)

NAME	PR improvement 19	React 19 with PR compared to React 18 main
useSuspenseQuery skip option works with startTransition	92	100
useSuspenseQuery fetchMore works with startTransition when setting errorPolicy as default option in ApolloClient constructor	79	368
useSuspenseQuery works with startTransition to change variables	72	381
useSuspenseQuery fetchMore works with startTransition to allow React to show stale UI until finished suspending	70	359
useSuspenseQuery skipToken works with startTransition when used for options	65	70
useSuspenseQuery applies updated fetchPolicy on next fetch when it changes between renders	57	349
useSuspenseQuery fetchMore does not cause extra render	57	357
useSuspenseQuery properly resolves when skip becomes false when returning a result that is deeply equal to data in the cache	56	640
useSuspenseQuery tears down the query if the component never renders again after suspending	36	53
useSuspenseQuery properly resolves refetch when returning a result that is deeply equal to data in the cache	30	627
useSuspenseQuery properly handles changing options along with changing variables	27	619
--	--	--
useSuspenseQuery re-suspends the component when changing queries and using a "network-only" fetch policy	-69	626
--	--	--
useSuspenseQuery validates the GraphQL query as a query	-131	-7
useSuspenseQuery refetch works with startTransition to allow React to show stale UI until finished suspending	-183	290
useSuspenseQuery applies context on next fetch when it changes between renders	-248	371
useSuspenseQuery applies errorPolicy on next fetch when it changes between renders	-252	361
useSuspenseQuery returns errors after calling refetch when errorPolicy is set to "all"	-256	379
useSuspenseQuery defaults refetchWritePolicy to "overwrite"	-263	359
useSuspenseQuery throws errors when errors are returned after calling refetch	-300	315
useSuspenseQuery tears down subscription when throwing an error on refetch	-360	312
useSuspenseQuery does not oversubscribe when suspending multiple times	-551	412
useSuspenseQuery works with useDeferredValue	-5821	390

The last one got so much better because it no longer triggers the React bug(?) we reported here: https://github.com/facebook/react/issues/29855

So while this PR gives some improvements overall, tests just got a lot slower, even with these changes.

How much worse did it get? Let's see the worst offenders (everything that got slower by over 300ms):

NAME	Main 18	Main19
useSuspenseQuery works with useDeferredValue	79	6290
useSuspenseQuery does not oversubscribe when suspending multiple times	14	977
useSuspenseQuery refetches and suspends when switching back to already used variables while using network-only fetch policy	14	953
useSuspenseQuery re-suspends multiple times when calling refetch multiple times	13	947
useSuspenseQuery refetches and suspends when switching back to already used variables while using no-cache fetch policy	14	946
useSuspenseQuery applies changed refetchWritePolicy to next fetch when changing between renders	35	947
useSuspenseQuery returns merged array when fetchMore returns empty array of results	194	1035
useSuspenseQuery re-suspends the component when changing queries and using a "network-only" fetch policy	10	705
useSuspenseQuery tears down subscription when throwing an error on refetch	10	682
useSuspenseQuery re-suspends the component when changing queries and using a "no-cache" fetch policy	10	665
useSuspenseQuery re-suspends the component when changing queries and using a "cache-first" fetch policy	11	648
useSuspenseQuery re-suspends the component when changing queries and using a "cache-and-network" fetch policy	23	658
useSuspenseQuery returns errors after calling refetch when errorPolicy is set to "all"	9	644
useSuspenseQuery handles partial data results after calling refetch when errorPolicy is set to "all"	11	641
useSuspenseQuery uses cached result and does not suspend when switching back to already used variables while using cache-first fetch policy	13	643
useSuspenseQuery incrementally rerenders data returned by a refetch for a deferred query	118	747
useSuspenseQuery re-suspends when calling refetch	8	637
useSuspenseQuery ensures data is fetched the correct amount of times when changing variables and using a "cache-and-network" fetch policy	8	637
useSuspenseQuery ensures data is fetched the correct amount of times when changing variables and using a "network-only" fetch policy	9	638
useSuspenseQuery responds to cache updates after changing variables	63	691
useSuspenseQuery responds to cache updates after changing back to already fetched variables	65	693
useSuspenseQuery re-suspends the component when changing variables and using a "no-cache" fetch policy	11	639
useSuspenseQuery suspends and fetches data from new client when changing clients	8	635
useSuspenseQuery suspends when changing variables	10	637
useSuspenseQuery can refetch and respond to cache updates after encountering an error in an incremental chunk for a deferred query when errorPolicy is all	169	795
useSuspenseQuery clears errors when changing variables and errorPolicy is set to "all"	11	637
useSuspenseQuery re-suspends the component when changing variables and using a "cache-and-network" fetch policy	11	636
useSuspenseQuery re-suspends the component when changing variables and using a "network-only" fetch policy	13	636
useSuspenseQuery tears down all queries when rendering with multiple variable sets	14	637
useSuspenseQuery defaults refetchWritePolicy to "overwrite"	22	644
useSuspenseQuery uses cached result with network request and does not suspend when switching back to already used variables while using cache-and-network fetch policy	63	684
useSuspenseQuery rerenders data returned by fetchMore for a deferred query	70	689
useSuspenseQuery applies context on next fetch when it changes between renders	8	627
useSuspenseQuery tears down all queries when multiple clients are used	13	631
useSuspenseQuery ensures data is fetched the correct amount of times when changing variables and using a "no-cache" fetch policy	8	626
useSuspenseQuery honors refetchWritePolicy set to "merge"	21	639
useSuspenseQuery honors refetchWritePolicy set to "overwrite"	21	638
useSuspenseQuery throws errors when errors are returned after calling refetch	11	626
useSuspenseQuery re-suspends when calling refetch with new variables	12	626
useSuspenseQuery applies errorPolicy on next fetch when it changes between renders	10	623
useSuspenseQuery ensures data is fetched the correct amount of times when changing variables and using a "cache-first" fetch policy	23	632
useSuspenseQuery re-suspends the component when changing variables and using a "cache-first" fetch policy	19	627
useSuspenseQuery re-suspends when calling fetchMore with different variables	32	640
useSuspenseQuery properly uses cache field policies when calling fetchMore without updateQuery	32	639
useSuspenseQuery properly uses updateQuery when calling fetchMore	32	630
useSuspenseQuery properly resolves refetch when returning a result that is deeply equal to data in the cache	39	636
useSuspenseQuery properly resolves fetchMore when returning a result that is deeply equal to data in the cache	39	635
useSuspenseQuery properly handles changing options along with changing variables	31	623
useSuspenseQuery properly resolves when skip becomes false when returning a result that is deeply equal to data in the cache	47	631
useSuspenseQuery allows custom query key so two components that share same query and variables do not interfere with each other	57	630
useSuspenseQuery refetch works with startTransition to allow React to show stale UI until finished suspending	37	510
useSuspenseQuery suspends and does not use partial data when changing variables and using a "cache-first" fetch policy with returnPartialData	60	404
useSuspenseQuery responds to cache updates and clears errors after an error returns when errorPolicy is set to "all"	60	385
useSuspenseQuery suspends when switching away from skipToken in options	5	329
useSuspenseQuery does not make network requests when skip is true	5	329
useSuspenseQuery renders skip result, does not suspend, and maintains data when skipping a query with skipToken as options after it was enabled	5	328
useSuspenseQuery returns partial data results and discards GraphQL errors when errorPolicy is set to "ignore"	5	328
useSuspenseQuery does not respond to cache updates when using a "no-cache" fetch policy	108	431
useSuspenseQuery does not throw or return graphql errors when errorPolicy is set to "ignore"	4	326
useSuspenseQuery returns the same results for the same variables	10	331
useSuspenseQuery merges global default variables with local variables	8	329
useSuspenseQuery does not make network requests when using skipToken for options	5	325
useSuspenseQuery uses default variables from the client when none provided in options in strict mode	5	324
useSuspenseQuery suspends when refetching after returning cached data for the initial fetch	4	323
useSuspenseQuery suspends when partial data is in the cache and using a "no-cache" fetch policy with returnPartialData	5	324
useSuspenseQuery suspends deferred queries with lists and properly patches results	111	430
useSuspenseQuery discards partial data and throws errors returned in incremental chunks	11	329
useSuspenseQuery maintains results when rerendering a query using a "no-cache" fetch policy	5	321
useSuspenseQuery does not make network requests when using skip with strict mode	5	321
useSuspenseQuery responds to cache updates when using a "cache-first" fetch policy	58	374
useSuspenseQuery ensures data is fetched and suspended the correct amount of times in strict mode while using a "no-cache" fetch policy	4	320
useSuspenseQuery incrementally rerenders data returned by a fetchMore for a deferred query	1064	1379
useSuspenseQuery ensures refetch, fetchMore, and subscribeToMore are referentially stable even after result data has changed	57	372
useSuspenseQuery returns partial data and keeps errors when errorPolicy is set to "all"	5	320
useSuspenseQuery handles multiple graphql errors when errorPolicy is set to "all"	7	322
useSuspenseQuery persists errors between rerenders when errorPolicy is set to "all"	5	319
useSuspenseQuery skip result is referentially stable when using skipToken as options	5	319
useSuspenseQuery responds to cache updates in strict mode while using a "network-only" fetch policy	58	372
useSuspenseQuery suspends a query with variables and returns results	11	325
useSuspenseQuery applies returnPartialData on next fetch when it changes between renders	163	476
useSuspenseQuery can subscribe to subscriptions and react to cache updates via subscribeToMore	60	373
useSuspenseQuery skip result is referentially stable	6	319
useSuspenseQuery ensures data is fetched and suspended the correct amount of times in strict mode while using a "network-only" fetch policy	4	317
useSuspenseQuery uses the default fetch policy from the client when none provided in options	5	318
useSuspenseQuery renders skip result, does not suspend, and maintains data when skip becomes true after it was false	7	320
useSuspenseQuery suspends deferred queries until initial chunk loads then streams in data as it loads when using a "cache-first" fetch policy	58	371
useSuspenseQuery suspends and does not use partial data when changing variables and using a "cache-and-network" fetch policy with returnPartialData	60	373
useSuspenseQuery returns the client used in the result	3	316
useSuspenseQuery responds to cache updates and clears errors after an error returns when errorPolicy is set to "ignore"	58	370
useSuspenseQuery uses default variables from the client when none provided in options	5	317
useSuspenseQuery can unset a globally defined variable	4	316
useSuspenseQuery adds partial data and does not throw errors returned in incremental chunks but returns them in error property with errorPolicy set to all	60	372
useSuspenseQuery suspends deferred queries until initial chunk loads then streams in data as it loads when using a "cache-and-network" fetch policy	60	371
useSuspenseQuery discards multiple graphql errors when errorPolicy is set to "ignore"	4	315
useSuspenseQuery writes to the cache when using a "cache-and-network" fetch policy	7	318
useSuspenseQuery ensures result is referentially stable	13	323
useSuspenseQuery suspends deferred queries until initial chunk loads then streams in data as it loads when using a "network-only" fetch policy	59	369
useSuspenseQuery responds to cache updates in strict mode while using a "cache-first" fetch policy	58	368
useSuspenseQuery ensures data is fetched and suspended the correct amount of times in strict mode while using a "cache-and-network" fetch policy	4	314
useSuspenseQuery tears down the query on unmount	7	317
useSuspenseQuery writes to the cache when using a "network-only" fetch policy	7	317
useSuspenseQuery works with startTransition to change variables	48	357
useSuspenseQuery does not make network requests when using skipToken with strict mode	6	315
useSuspenseQuery suspends when skip becomes false after it was true	5	314
useSuspenseQuery responds to cache updates in strict mode while using a "cache-and-network" fetch policy	58	367
useSuspenseQuery does not write to the cache when using a "no-cache" fetch policy	6	315
useSuspenseQuery suspends deferred queries until initial chunk loads then streams in data as it loads when using a "no-cache" fetch policy	60	369
useSuspenseQuery suspends and does not overwrite cache when data is in the cache and using a "no-cache" fetch policy	5	314
useSuspenseQuery allows the client to be overridden in strict mode	5	313
useSuspenseQuery responds to cache updates when using a "network-only" fetch policy	58	366
useSuspenseQuery responds to cache updates when using a "cache-and-network" fetch policy	60	368
useSuspenseQuery throws graphql errors by default	6	314
useSuspenseQuery incrementally renders data returned after skipping a deferred query	61	368
useSuspenseQuery passes context to the link	3	310
useSuspenseQuery suspends deferred queries until initial chunk loads then streams in data as it loads	60	367
useSuspenseQuery suspends and refetches data when part of the query key changes	49	356
useSuspenseQuery allows the client to be overridden	4	310
useSuspenseQuery ensures data is fetched and suspended the correct amount of times in strict mode while using a "cache-first" fetch policy	4	310
useSuspenseQuery suspends queries with deferred fragments in lists and properly merges arrays	61	366
useSuspenseQuery writes to the cache when using a "cache-first" fetch policy	7	312
useSuspenseQuery suspends when partial data is in the cache and using a "network-only" fetch policy with returnPartialData	7	312
useSuspenseQuery throws network errors when errorPolicy is set to "none"	7	312
useSuspenseQuery ignores errors returned after calling refetch when errorPolicy is set to "ignore"	7	311
useSuspenseQuery suspends when partial data is in the cache and using a "cache-first" fetch policy	7	311
useSuspenseQuery suspends when data is in the cache and using a "network-only" fetch policy	4	308
useSuspenseQuery handles multiple graphql errors when errorPolicy is set to "none"	7	310
useSuspenseQuery throws graphql errors when errorPolicy is set to "none"	6	307
useSuspenseQuery fetchMore does not cause extra render	142	442