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Update (base update)
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[ghstack-poisoned]
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@poteto
poteto committed Jul 29, 2024
2 parents 2cf1260 + 397646a commit c5135e2
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250 changes: 250 additions & 0 deletions packages/react-dom/src/__tests__/ReactDOMFizzServer-test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8127,6 +8127,256 @@ describe('ReactDOMFizzServer', () => {
expect(document.body.textContent).toBe('HelloWorld');
});

it('can abort synchronously during render', async () => {
function Sibling() {
return <p>sibling</p>;
}

function App() {
return (
<div>
<Suspense fallback={<p>loading 1...</p>}>
<ComponentThatAborts />
<Sibling />
</Suspense>
<Suspense fallback={<p>loading 2...</p>}>
<Sibling />
</Suspense>
<div>
<Suspense fallback={<p>loading 3...</p>}>
<div>
<Sibling />
</div>
</Suspense>
</div>
</div>
);
}

const abortRef = {current: null};
function ComponentThatAborts() {
abortRef.current();
return <p>hello world</p>;
}

let finished = false;
await act(() => {
const {pipe, abort} = renderToPipeableStream(<App />);
abortRef.current = abort;
writable.on('finish', () => {
finished = true;
});
pipe(writable);
});

assertConsoleErrorDev([
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
]);

expect(finished).toBe(true);
expect(getVisibleChildren(container)).toEqual(
<div>
<p>loading 1...</p>
<p>loading 2...</p>
<div>
<p>loading 3...</p>
</div>
</div>,
);
});

it('can abort during render in a lazy initializer for a component', async () => {
function Sibling() {
return <p>sibling</p>;
}

function App() {
return (
<div>
<Suspense fallback={<p>loading 1...</p>}>
<LazyAbort />
<Sibling />
</Suspense>
<Suspense fallback={<p>loading 2...</p>}>
<Sibling />
</Suspense>
<div>
<Suspense fallback={<p>loading 3...</p>}>
<div>
<Sibling />
</div>
</Suspense>
</div>
</div>
);
}

const abortRef = {current: null};
const LazyAbort = React.lazy(() => {
abortRef.current();
return {
then(cb) {
cb({default: 'div'});
},
};
});

let finished = false;
await act(() => {
const {pipe, abort} = renderToPipeableStream(<App />);
abortRef.current = abort;
writable.on('finish', () => {
finished = true;
});
pipe(writable);
});

assertConsoleErrorDev([
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
]);

expect(finished).toBe(true);
expect(getVisibleChildren(container)).toEqual(
<div>
<p>loading 1...</p>
<p>loading 2...</p>
<div>
<p>loading 3...</p>
</div>
</div>,
);
});

it('can abort during render in a lazy initializer for an element', async () => {
function Sibling() {
return <p>sibling</p>;
}

function App() {
return (
<div>
<Suspense fallback={<p>loading 1...</p>}>
{lazyAbort}
<Sibling />
</Suspense>
<Suspense fallback={<p>loading 2...</p>}>
<Sibling />
</Suspense>
<div>
<Suspense fallback={<p>loading 3...</p>}>
<div>
<Sibling />
</div>
</Suspense>
</div>
</div>
);
}

const abortRef = {current: null};
const lazyAbort = React.lazy(() => {
abortRef.current();
return {
then(cb) {
cb({default: 'hello world'});
},
};
});

let finished = false;
await act(() => {
const {pipe, abort} = renderToPipeableStream(<App />);
abortRef.current = abort;
writable.on('finish', () => {
finished = true;
});
pipe(writable);
});

assertConsoleErrorDev([
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
]);

expect(finished).toBe(true);
expect(getVisibleChildren(container)).toEqual(
<div>
<p>loading 1...</p>
<p>loading 2...</p>
<div>
<p>loading 3...</p>
</div>
</div>,
);
});

it('can abort during a synchronous thenable resolution', async () => {
function Sibling() {
return <p>sibling</p>;
}

function App() {
return (
<div>
<Suspense fallback={<p>loading 1...</p>}>
{thenable}
<Sibling />
</Suspense>
<Suspense fallback={<p>loading 2...</p>}>
<Sibling />
</Suspense>
<div>
<Suspense fallback={<p>loading 3...</p>}>
<div>
<Sibling />
</div>
</Suspense>
</div>
</div>
);
}

const abortRef = {current: null};
const thenable = {
then(cb) {
abortRef.current();
cb(thenable.value);
},
};

let finished = false;
await act(() => {
const {pipe, abort} = renderToPipeableStream(<App />);
abortRef.current = abort;
writable.on('finish', () => {
finished = true;
});
pipe(writable);
});

assertConsoleErrorDev([
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
'The render was aborted by the server without a reason.',
]);

expect(finished).toBe(true);
expect(getVisibleChildren(container)).toEqual(
<div>
<p>loading 1...</p>
<p>loading 2...</p>
<div>
<p>loading 3...</p>
</div>
</div>,
);
});

it('should warn for using generators as children props', async () => {
function* getChildren() {
yield <h1 key="1">Hello</h1>;
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