test(useCountdown): add test cases

packages/core/useCountdown/index.test.ts

@@ -1,8 +1,77 @@
 import { describe, expect, test } from 'vitest'
 import { useCountdown } from '.'
+import { wait } from '../utils'
 
 describe('useEllipsis', () => {
   test('should be defined', () => {
     expect(useCountdown).toBeDefined()
   })
+
+  test('interval', async () => {
+    const { countdown } = useCountdown({
+      duration: 3000,
+      immediate: true,
+      interval: 100,
+    })
+    expect(countdown.value.total).toEqual(3000)
+    await wait(100)
+    expect(countdown.value.total).toEqual(2900)
+  })
+
+  test('immediate', async () => {
+    const { countdown } = useCountdown({
+      duration: 3000,
+      immediate: true,
+      interval: 100,
+    })
+    expect(countdown.value.total).toEqual(3000)
+    await wait(100)
+    expect(countdown.value.total).toEqual(2900)
+  })
+
+  test('control countdown', async () => {
+    const { countdown, start, stop, reset } = useCountdown({
+      duration: 3000,
+      interval: 100,
+    })
+    expect(countdown.value.total).toEqual(3000)
+    start()
+    await wait(100)
+    expect(countdown.value.total).toEqual(2900)
+    stop()
+    await wait(100)
+    expect(countdown.value.total).toEqual(2900)
+    reset()
+    await wait(100)
+    expect(countdown.value.total).toEqual(3000)
+  })
+
+  test('reset with immediate', async () => {
+    const { countdown, reset } = useCountdown({
+      duration: 3000,
+      interval: 100,
+      immediate: true,
+    })
+    await wait(210)
+    expect(countdown.value.total).toEqual(2800)
+    reset()
+    await wait(100)
+    expect(countdown.value.total).toEqual(2900)
+  })
+
+  test('isRunning', async () => {
+    const { start, stop, isRunning } = useCountdown({
+      duration: 3000,
+      interval: 100,
+    })
+    expect(isRunning.value).toBeFalsy()
+    start()
+    await wait(100)
+    expect(isRunning.value).toBeTruthy()
+    stop()
+    await wait(100)
+    expect(isRunning.value).toBeFalsy()
+  })
+
+  // isRunning: Ref<boolean> // 是否在运行
 })