test(query-core/queryCache): add tests for 'build' with and without provided 'queryHash' (#10252)

Author: sukvvon

packages/query-core/src/__tests__/queryCache.test.tsx

@@ -1,6 +1,6 @@
 import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
 import { queryKey, sleep } from '@tanstack/query-test-utils'
-import { QueryCache, QueryClient, QueryObserver } from '..'
+import { QueryCache, QueryClient, QueryObserver, hashKey } from '..'
 
 describe('queryCache', () => {
   let queryClient: QueryClient
@@ -352,6 +352,31 @@ describe('queryCache', () => {
     })
   })
 
+  describe('build', () => {
+    test('should compute queryHash from queryKey when queryHash is not provided', () => {
+      const key = queryKey()
+
+      const query = queryCache.build(queryClient, {
+        queryKey: key,
+      })
+
+      expect(query.queryHash).toBe(hashKey(key))
+    })
+
+    test('should use provided queryHash instead of computing it', () => {
+      const key = queryKey()
+      const customHash = 'custom-hash'
+
+      const query = queryCache.build(queryClient, {
+        queryKey: key,
+        queryHash: customHash,
+      })
+
+      expect(query.queryHash).toBe(customHash)
+      expect(query.queryHash).not.toBe(hashKey(key))
+    })
+  })
+
   describe('QueryCache.add', () => {
     test('should not try to add a query already added to the cache', async () => {
       const key = queryKey()