[add] 新增项目初始文档

client/tests/unit/example.spec.js

@@ -0,0 +1,13 @@
+import { expect } from 'chai';
+import { shallowMount } from '@vue/test-utils';
+import HelloWorld from '@/components/HelloWorld.vue';
+
+describe('HelloWorld.vue', () => {
+  it('renders props.msg when passed', () => {
+    const msg = 'new message';
+    const wrapper = shallowMount(HelloWorld, {
+      propsData: { msg },
+    });
+    expect(wrapper.text()).to.include(msg);
+  });
+});