test: use-debounceFn

Author: NelsonYong

packages/hooks/src/useDebounceFn/__tests__/index.spec.ts

@@ -0,0 +1,38 @@
+import { sleep } from '@/utils/sleep'
+import useDebounceFn from '..'
+
+let count = 0
+const debounceFn = (gap: number) => {
+  count += gap
+}
+
+describe('useDebounceFn', () => {
+  it('run, cancel and flush should work', async () => {
+    const { run, cancel, flush } = useDebounceFn(debounceFn, { wait: 200 })
+    run(2)
+    run(2)
+    run(2)
+    run(2)
+    run(2)
+    expect(count).toBe(0)
+    await sleep(300)
+    expect(count).toBe(2)
+
+    run(4)
+    await sleep(300)
+    run(4)
+    expect(count).toBe(6)
+
+    cancel()
+    expect(count).toBe(6)
+    await sleep(300)
+    expect(count).toBe(6)
+
+    run(1)
+    expect(count).toBe(6)
+    flush()
+    expect(count).toBe(7)
+    await sleep(300)
+    expect(count).toBe(7)
+  })
+})