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potetopoteto
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‎packages/react-dom/src/__tests__/ReactDOMFizzServer-test.js

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Original file line numberDiff line numberDiff line change
@@ -8127,6 +8127,256 @@ describe('ReactDOMFizzServer', () => {
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expect(document.body.textContent).toBe('HelloWorld');
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});
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8130+
it('can abort synchronously during render', async () => {
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function Sibling() {
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return <p>sibling</p>;
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}
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function App() {
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return (
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<div>
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<Suspense fallback={<p>loading 1...</p>}>
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<ComponentThatAborts />
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<Sibling />
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</Suspense>
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<Suspense fallback={<p>loading 2...</p>}>
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<Sibling />
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</Suspense>
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<div>
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<Suspense fallback={<p>loading 3...</p>}>
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<div>
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<Sibling />
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</div>
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</Suspense>
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</div>
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</div>
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);
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}
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const abortRef = {current: null};
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function ComponentThatAborts() {
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abortRef.current();
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return <p>hello world</p>;
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}
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8162+
let finished = false;
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await act(() => {
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const {pipe, abort} = renderToPipeableStream(<App />);
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abortRef.current = abort;
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writable.on('finish', () => {
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finished = true;
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});
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pipe(writable);
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});
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assertConsoleErrorDev([
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'The render was aborted by the server without a reason.',
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'The render was aborted by the server without a reason.',
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'The render was aborted by the server without a reason.',
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]);
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expect(finished).toBe(true);
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expect(getVisibleChildren(container)).toEqual(
8180+
<div>
8181+
<p>loading 1...</p>
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<p>loading 2...</p>
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<div>
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<p>loading 3...</p>
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</div>
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</div>,
8187+
);
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});
8189+
8190+
it('can abort during render in a lazy initializer for a component', async () => {
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function Sibling() {
8192+
return <p>sibling</p>;
8193+
}
8194+
8195+
function App() {
8196+
return (
8197+
<div>
8198+
<Suspense fallback={<p>loading 1...</p>}>
8199+
<LazyAbort />
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<Sibling />
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</Suspense>
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<Suspense fallback={<p>loading 2...</p>}>
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<Sibling />
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</Suspense>
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<div>
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<Suspense fallback={<p>loading 3...</p>}>
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<div>
8208+
<Sibling />
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</div>
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</Suspense>
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</div>
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</div>
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);
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}
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8216+
const abortRef = {current: null};
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const LazyAbort = React.lazy(() => {
8218+
abortRef.current();
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return {
8220+
then(cb) {
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cb({default: 'div'});
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},
8223+
};
8224+
});
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8226+
let finished = false;
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await act(() => {
8228+
const {pipe, abort} = renderToPipeableStream(<App />);
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abortRef.current = abort;
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writable.on('finish', () => {
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finished = true;
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});
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pipe(writable);
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});
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assertConsoleErrorDev([
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'The render was aborted by the server without a reason.',
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'The render was aborted by the server without a reason.',
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'The render was aborted by the server without a reason.',
8240+
]);
8241+
8242+
expect(finished).toBe(true);
8243+
expect(getVisibleChildren(container)).toEqual(
8244+
<div>
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<p>loading 1...</p>
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<p>loading 2...</p>
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<div>
8248+
<p>loading 3...</p>
8249+
</div>
8250+
</div>,
8251+
);
8252+
});
8253+
8254+
it('can abort during render in a lazy initializer for an element', async () => {
8255+
function Sibling() {
8256+
return <p>sibling</p>;
8257+
}
8258+
8259+
function App() {
8260+
return (
8261+
<div>
8262+
<Suspense fallback={<p>loading 1...</p>}>
8263+
{lazyAbort}
8264+
<Sibling />
8265+
</Suspense>
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<Suspense fallback={<p>loading 2...</p>}>
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<Sibling />
8268+
</Suspense>
8269+
<div>
8270+
<Suspense fallback={<p>loading 3...</p>}>
8271+
<div>
8272+
<Sibling />
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</div>
8274+
</Suspense>
8275+
</div>
8276+
</div>
8277+
);
8278+
}
8279+
8280+
const abortRef = {current: null};
8281+
const lazyAbort = React.lazy(() => {
8282+
abortRef.current();
8283+
return {
8284+
then(cb) {
8285+
cb({default: 'hello world'});
8286+
},
8287+
};
8288+
});
8289+
8290+
let finished = false;
8291+
await act(() => {
8292+
const {pipe, abort} = renderToPipeableStream(<App />);
8293+
abortRef.current = abort;
8294+
writable.on('finish', () => {
8295+
finished = true;
8296+
});
8297+
pipe(writable);
8298+
});
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8300+
assertConsoleErrorDev([
8301+
'The render was aborted by the server without a reason.',
8302+
'The render was aborted by the server without a reason.',
8303+
'The render was aborted by the server without a reason.',
8304+
]);
8305+
8306+
expect(finished).toBe(true);
8307+
expect(getVisibleChildren(container)).toEqual(
8308+
<div>
8309+
<p>loading 1...</p>
8310+
<p>loading 2...</p>
8311+
<div>
8312+
<p>loading 3...</p>
8313+
</div>
8314+
</div>,
8315+
);
8316+
});
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8318+
it('can abort during a synchronous thenable resolution', async () => {
8319+
function Sibling() {
8320+
return <p>sibling</p>;
8321+
}
8322+
8323+
function App() {
8324+
return (
8325+
<div>
8326+
<Suspense fallback={<p>loading 1...</p>}>
8327+
{thenable}
8328+
<Sibling />
8329+
</Suspense>
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<Suspense fallback={<p>loading 2...</p>}>
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<Sibling />
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</Suspense>
8333+
<div>
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<Suspense fallback={<p>loading 3...</p>}>
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<div>
8336+
<Sibling />
8337+
</div>
8338+
</Suspense>
8339+
</div>
8340+
</div>
8341+
);
8342+
}
8343+
8344+
const abortRef = {current: null};
8345+
const thenable = {
8346+
then(cb) {
8347+
abortRef.current();
8348+
cb(thenable.value);
8349+
},
8350+
};
8351+
8352+
let finished = false;
8353+
await act(() => {
8354+
const {pipe, abort} = renderToPipeableStream(<App />);
8355+
abortRef.current = abort;
8356+
writable.on('finish', () => {
8357+
finished = true;
8358+
});
8359+
pipe(writable);
8360+
});
8361+
8362+
assertConsoleErrorDev([
8363+
'The render was aborted by the server without a reason.',
8364+
'The render was aborted by the server without a reason.',
8365+
'The render was aborted by the server without a reason.',
8366+
]);
8367+
8368+
expect(finished).toBe(true);
8369+
expect(getVisibleChildren(container)).toEqual(
8370+
<div>
8371+
<p>loading 1...</p>
8372+
<p>loading 2...</p>
8373+
<div>
8374+
<p>loading 3...</p>
8375+
</div>
8376+
</div>,
8377+
);
8378+
});
8379+
81308380
it('should warn for using generators as children props', async () => {
81318381
function* getChildren() {
81328382
yield <h1 key="1">Hello</h1>;

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