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Fixed broken Profiler test #19894

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merged 1 commit into from
Sep 23, 2020
Merged

Fixed broken Profiler test #19894

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27 changes: 12 additions & 15 deletions packages/react/src/__tests__/ReactProfiler-test.internal.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3477,16 +3477,16 @@ describe('Profiler', () => {
}
}

const onPostCommit = jest.fn(() => {
Scheduler.unstable_yieldValue('onPostCommit');
const onCommit = jest.fn(() => {
Scheduler.unstable_yieldValue('onCommit');
});
ReactNoop.act(async () => {
await ReactNoop.act(async () => {
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This is silly easy to do.

SchedulerTracing.unstable_trace(
interaction.name,
Scheduler.unstable_now(),
() => {
ReactNoop.render(
<React.Profiler id="test-profiler" onPostCommit={onPostCommit}>
<React.Profiler id="test-profiler" onCommit={onCommit}>
<React.Suspense fallback={<Text text="Loading..." />}>
<AsyncText text="Async" ms={20000} />
</React.Suspense>
Expand All @@ -3511,13 +3511,13 @@ describe('Profiler', () => {
'Text [Loading...]',
'Text [Sync]',
'Monkey',
'onPostCommit',
'onCommit',
]);
// Should have committed the placeholder.
expect(ReactNoop.getChildrenAsJSX()).toEqual('Loading...Sync');
expect(onPostCommit).toHaveBeenCalledTimes(1);
expect(onCommit).toHaveBeenCalledTimes(1);

let call = onPostCommit.mock.calls[0];
let call = onCommit.mock.calls[0];
expect(call[0]).toEqual('test-profiler');
expect(call[4]).toMatchInteractions(
ReactFeatureFlags.enableSchedulerTracing ? [interaction] : [],
Expand All @@ -3528,20 +3528,17 @@ describe('Profiler', () => {

// An unrelated update in the middle shouldn't affect things...
monkey.current.forceUpdate();
expect(Scheduler).toFlushAndYield(['Monkey', 'onPostCommit']);
expect(onPostCommit).toHaveBeenCalledTimes(2);
expect(Scheduler).toFlushAndYield(['Monkey', 'onCommit']);
expect(onCommit).toHaveBeenCalledTimes(2);

// Once the promise resolves, we render the suspended view
await awaitableAdvanceTimers(20000);
expect(Scheduler).toHaveYielded(['Promise resolved [Async]']);
expect(Scheduler).toFlushAndYield([
'AsyncText [Async]',
'onPostCommit',
]);
expect(Scheduler).toFlushAndYield(['AsyncText [Async]', 'onCommit']);
expect(ReactNoop.getChildrenAsJSX()).toEqual('AsyncSync');
expect(onPostCommit).toHaveBeenCalledTimes(3);
expect(onCommit).toHaveBeenCalledTimes(3);

call = onPostCommit.mock.calls[2];
call = onCommit.mock.calls[2];
expect(call[0]).toEqual('test-profiler');
expect(call[4]).toMatchInteractions(
ReactFeatureFlags.enableSchedulerTracing ? [interaction] : [],
Expand Down