test(Coupon): add test cases (#8231)

src/coupon/index.tsx

@@ -4,7 +4,7 @@ import { RED } from '../utils/constant';
 import Checkbox from '../checkbox';
 
 export type CouponInfo = {
-  id: string;
+  id: string | number;
   name: string;
   endAt: number;
   value: number;

src/coupon/test/index.spec.ts

@@ -0,0 +1,27 @@
+import { mount } from '../../../test';
+import Coupon from '..';
+
+const coupon = {
+  id: 1,
+  name: 'name',
+  discount: 0,
+  denominations: 150,
+  originCondition: 0,
+  reason: '',
+  value: 150,
+  valueDesc: '1.5',
+  description: 'description',
+  startAt: 1489104000,
+  endAt: 1514592000,
+};
+
+test('should render "van-coupon--disabled" class when using disabled prop', () => {
+  const wrapper = mount(Coupon, {
+    props: {
+      coupon,
+      disabled: true,
+    },
+  });
+
+  expect(wrapper.classes()).toContain('van-coupon--disabled');
+});