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test(query-core/onlineManager): add test for online status updates from window events #10886

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sukvvon merged 1 commit into from
Jun 5, 2026
+14 −0
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test(query-core/onlineManager): add test for online status updates from window events #10886

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14 changes: 14 additions & 0 deletions packages/query-core/src/__tests__/onlineManager.test.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -157,6 +157,20 @@ describe('onlineManager', () => {
unsubscribe2()
})

it('should update online status from window online and offline events', () => {
const unsubscribe = onlineManager.subscribe(() => undefined)

expect(onlineManager.isOnline()).toBe(true)

window.dispatchEvent(new Event('offline'))
expect(onlineManager.isOnline()).toBe(false)

window.dispatchEvent(new Event('online'))
expect(onlineManager.isOnline()).toBe(true)
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unsubscribe()
})

it('should call listeners when setOnline is called', () => {
const listener = vi.fn()

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