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Add Promise as a child test to Flight fixture #28778

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merged 3 commits into from
Apr 8, 2024
Merged

Add Promise as a child test to Flight fixture #28778

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91ac3b9
Add Promise as a child to Flight fixture
eps1lon Apr 8, 2024
74b1848
Revert "Suspend Thenable/Lazy if it's used in React.Children and unwr…
eps1lon Apr 8, 2024
4b32fda
Revert "Revert "Suspend Thenable/Lazy if it's used in React.Children …
eps1lon Apr 8, 2024
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4 changes: 3 additions & 1 deletion fixtures/flight/__tests__/__e2e__/smoke.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,9 @@ test('smoke test', async ({page}) => {
pageErrors.push(error.stack);
});
await page.goto('/');
await expect(page.locator('h1')).toHaveText('Hello World');
await expect(page.getByTestId('promise-as-a-child-test')).toHaveText(
'Promise as a child hydrates without errors: deferred text'
);

await expect(consoleErrors).toEqual([]);
await expect(pageErrors).toEqual([]);
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9 changes: 9 additions & 0 deletions fixtures/flight/src/App.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,10 @@ import {like, greet, increment} from './actions.js';

import {getServerState} from './ServerState.js';

const promisedText = new Promise(resolve =>
setTimeout(() => resolve('deferred text'), 100)
);

export default async function App() {
const res = await fetch('http://localhost:3001/todos');
const todos = await res.json();
Expand All @@ -32,6 +36,11 @@ export default async function App() {
<body>
<Container>
<h1>{getServerState()}</h1>
<React.Suspense fallback={null}>
<div data-testid="promise-as-a-child-test">
Promise as a child hydrates without errors: {promisedText}
</div>
</React.Suspense>
<Counter incrementAction={increment} />
<Counter2 incrementAction={increment} />
<Counter3 incrementAction={increment} />
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