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[ide-react] Preserve scope value update watchers on watcher add (#16729)

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GitOrigin-RevId: 1168577364fef6e13a58d7d96afdf4ba685fc342
This commit is contained in:
Alf Eaton
2024-01-29 09:03:20 +00:00
committed by Copybot
parent b9db589f33
commit bb0da73a36
2 changed files with 32 additions and 1 deletions
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services/web/test/frontend/features/ide-react/unit/react-scope-value-store.test.ts
+29
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@@ -122,6 +122,35 @@ describe('ReactScopeValueStore', function () {
expect(watcher).to.have.been.calledWith('wombat')
})
it('handles multiple watchers for the same path added at the same time before the value is set', async function () {
const store = new ReactScopeValueStore()
const watcherOne = sinon.stub()
const watcherTwo = sinon.stub()
store.watch('test', watcherOne)
store.watch('test', watcherTwo)
await waitForWatchers(() => {
store.set('test', 'wombat')
})
expect(watcherOne).to.have.been.calledWith('wombat')
expect(watcherTwo).to.have.been.calledWith('wombat')
})
it('handles multiple watchers for the same path added at the same time after the value is set', async function () {
const store = new ReactScopeValueStore()
store.set('test', 'wombat')
const watcherOne = sinon.stub()
const watcherTwo = sinon.stub()
store.watch('test', watcherOne)
store.watch('test', watcherTwo)
store.flushUpdates()
expect(watcherOne).to.have.been.calledWith('wombat')
expect(watcherTwo).to.have.been.calledWith('wombat')
})
it('throws an error when watching an unknown value', function () {
const store = new ReactScopeValueStore()
expect(() => store.watch('test', () => {})).to.throw