test: add test for Q323 (#2632)

Author: wadejs

questions/323-prop-validation/index.test.ts

@@ -0,0 +1,19 @@
+import { mount } from "@vue/test-utils"
+import { describe, it, expect } from "vitest"
+
+import Button from "./Button.vue"
+
+describe("prop-validation", () => {
+  it("should have a default type prop of 'default'", () => {
+    const wrapper = mount(Button)
+    expect(wrapper.vm.type).toBe("default")
+  })
+  it("should only accept specific values for the type prop", () => {
+    const wrapper = mount(Button, {
+    })
+    expect(wrapper.vm.$options.props.type.validator("invalid")).toBe(false)
+    const validTypes = ["primary", "ghost", "dashed", "link", "text", "default"]
+    const randomType = validTypes[Math.floor(Math.random() * validTypes.length)]
+    expect(wrapper.vm.$options.props.type.validator(randomType)).toBe(true)
+  })
+})