snapshot of https://github.com/TanStack/query.git (main, 2026-09-16; blobs > 131072B omitted)

packages/svelte-query/tests/QueryClientProvider/Base.svelte

@@ -0,0 +1,15 @@
+<script lang="ts">
+  import { QueryClientProvider } from '../../src/index.js'
+  import Child from './Child.svelte'
+  import type { QueryClient } from '@tanstack/query-core'
+
+  type Props = {
+    queryClient: QueryClient
+  }
+
+  let { queryClient }: Props = $props()
+</script>
+
+<QueryClientProvider client={queryClient}>
+  <Child />
+</QueryClientProvider>

packages/svelte-query/tests/QueryClientProvider/Child.svelte

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+<script lang="ts">
+  import { createQuery } from '../../src/index.js'
+  import { sleep } from '@tanstack/query-test-utils'
+
+  const query = createQuery(() => ({
+    queryKey: ['hello'],
+    queryFn: () => sleep(10).then(() => 'test'),
+  }))
+</script>
+
+<div>Data: {query.data ?? 'undefined'}</div>

packages/svelte-query/tests/QueryClientProvider/QueryClientProvider.svelte.test.ts

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+import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
+import { render } from '@testing-library/svelte'
+import { QueryClient } from '@tanstack/query-core'
+import Base from './Base.svelte'
+
+describe('QueryClientProvider', () => {
+  let queryClient: QueryClient
+
+  beforeEach(() => {
+    vi.useFakeTimers()
+    queryClient = new QueryClient()
+  })
+
+  afterEach(() => {
+    queryClient.clear()
+    vi.useRealTimers()
+  })
+
+  it('should set a specific cache for all queries to use', async () => {
+    const queryCache = queryClient.getQueryCache()
+
+    const rendered = render(Base, {
+      props: {
+        queryClient,
+      },
+    })
+
+    await vi.advanceTimersByTimeAsync(10)
+    expect(rendered.getByText('Data: test')).toBeInTheDocument()
+
+    expect(queryCache.find({ queryKey: ['hello'] })?.state.data).toBe('test')
+  })
+})