From 1e62802d588c84e02fa9c9538f4ac84486512127 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Mon, 7 Jan 2019 14:21:57 +0800
Subject: [PATCH] :white_check_mark: Add test case for unmounting spin

---
 components/spin/__tests__/delay.test.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/components/spin/__tests__/delay.test.js b/components/spin/__tests__/delay.test.js
index d9185323b4..0c05d0a1fc 100644
--- a/components/spin/__tests__/delay.test.js
+++ b/components/spin/__tests__/delay.test.js
@@ -35,4 +35,13 @@ describe('delay spinning', () => {
         .hasClass('ant-spin-spinning'),
     ).toEqual(true);
   });
+
+  it('should cancel debounce function when unmount', async () => {
+    const wrapper = mount(<Spin spinning delay={100} />);
+    const spy = jest.spyOn(wrapper.instance().updateSpinning, 'cancel');
+    expect(wrapper.instance().updateSpinning.cancel).toEqual(expect.any(Function));
+    expect(spy).not.toHaveBeenCalled();
+    wrapper.unmount();
+    expect(spy).toHaveBeenCalled();
+  });
 });