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Current behavior for "What caused this updated?" when a lazy component resolves #22602

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Current behavior for "What caused this updated?" when a lazy component resolves #22602

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Current behavior for unsuspending in "What caused this update?"
eps1lon Mar 8, 2022
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Poke CircleCI
eps1lon Jul 2, 2022
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211 changes: 211 additions & 0 deletions packages/react-devtools-shared/src/__tests__/profilingCache-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1167,4 +1167,215 @@ describe('ProfilingCache', () => {
expect(updaters.length).toEqual(1);
expect(updaters[0].displayName).toEqual('App');
});

it('should collect data for unsuspended fibers', async () => {
let resolveAsync;
const Async = React.lazy(() => {
return new Promise(resolve => {
resolveAsync = () => {
resolve({
default: function ResolvedAsync() {
Scheduler.unstable_advanceTime(2);
return null;
},
});
};
});
});
const App = () => {
Scheduler.unstable_advanceTime(3);
return (
<React.Suspense>
<Async />
</React.Suspense>
);
};

const container = document.createElement('div');

utils.act(() => store.profilerStore.startProfiling());
const root = ReactDOMClient.createRoot(container);
utils.act(() => root.render(<App />));
await utils.actAsync(async () => {
Scheduler.unstable_advanceTime(1000);
resolveAsync();
});
utils.act(() => store.profilerStore.stopProfiling());

const rootID = store.roots[0];
const commitData = store.profilerStore.getDataForRoot(rootID).commitData;
expect(commitData).toMatchInlineSnapshot(`
Array [
Object {
"changeDescriptions": Map {
2 => Object {
"context": null,
"didHooksChange": false,
"isFirstMount": true,
"props": null,
"state": null,
},
},
"duration": 3,
"effectDuration": 0,
"fiberActualDurations": Map {
1 => 3,
2 => 3,
3 => 0,
},
"fiberSelfDurations": Map {
1 => 0,
2 => 3,
3 => 0,
},
"passiveEffectDuration": 0,
"priorityLevel": "Normal",
"timestamp": 3,
"updaters": Array [
Object {
"displayName": "createRoot()",
"hocDisplayNames": null,
"id": 1,
"key": null,
"type": 11,
},
],
},
Object {
"changeDescriptions": Map {
5 => Object {
"context": null,
"didHooksChange": false,
"isFirstMount": true,
"props": null,
"state": null,
},
},
"duration": 2,
"effectDuration": 0,
"fiberActualDurations": Map {
5 => 2,
3 => 2,
},
"fiberSelfDurations": Map {
5 => 2,
3 => 0,
},
"passiveEffectDuration": 0,
"priorityLevel": "Normal",
"timestamp": 1005,
"updaters": Array [],
},
]
`);
});

it('should collect data for unsuspended fibers in legacy roots', async () => {
let resolveAsync;
const Async = React.lazy(() => {
return new Promise(resolve => {
resolveAsync = () => {
resolve({
default: function ResolvedAsync() {
Scheduler.unstable_advanceTime(2);
return null;
},
});
};
});
});
const App = () => {
Scheduler.unstable_advanceTime(3);
return (
<React.Suspense>
<Async />
</React.Suspense>
);
};

const container = document.createElement('div');

utils.act(() => store.profilerStore.startProfiling());
utils.act(() => legacyRender(<App />, container));
await utils.actAsync(async () => {
Scheduler.unstable_advanceTime(1000);
resolveAsync();
});
utils.act(() => store.profilerStore.stopProfiling());

const rootID = store.roots[0];
const commitData = store.profilerStore.getDataForRoot(rootID).commitData;
expect(commitData).toMatchInlineSnapshot(`
Array [
Object {
"changeDescriptions": Map {
2 => Object {
"context": null,
"didHooksChange": false,
"isFirstMount": true,
"props": null,
"state": null,
},
},
"duration": 3,
"effectDuration": 0,
"fiberActualDurations": Map {
1 => 3,
2 => 3,
3 => 0,
},
"fiberSelfDurations": Map {
1 => 0,
2 => 3,
3 => 0,
},
"passiveEffectDuration": 0,
"priorityLevel": "Immediate",
"timestamp": 3,
"updaters": Array [
Object {
"displayName": "render()",
"hocDisplayNames": null,
"id": 1,
"key": null,
"type": 11,
},
],
},
Object {
"changeDescriptions": Map {
5 => Object {
"context": null,
"didHooksChange": false,
"isFirstMount": true,
"props": null,
"state": null,
},
},
"duration": 2,
"effectDuration": 0,
"fiberActualDurations": Map {
5 => 2,
3 => 2,
},
"fiberSelfDurations": Map {
5 => 2,
3 => 0,
},
"passiveEffectDuration": 0,
"priorityLevel": "Immediate",
"timestamp": 1005,
"updaters": Array [
Object {
"displayName": "render()",
"hocDisplayNames": null,
"id": 1,
"key": null,
"type": 11,
},
],
},
]
`);
});
});