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code/fms/fms-vue/tests/components/fms-tree-panel.spec.js

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+/**
+ * FmsTreePanel：面板骨架把未声明属性经 $attrs 透传给 FmsTree。
+ *
+ * 这里用渲染函数而非 props 传参，是为了还原模板编译后的真实形态：
+ * 页面写的是 `:selected-keys`（kebab），编译出来 vnode.props 的键名就是 'selected-keys'，
+ * 而不是 'selectedKeys'。用 props 传 camelCase 会绕过 Vue 的键名归一化，测不出问题。
+ */
+import { describe, it, expect } from 'vitest'
+import { mount } from '@vue/test-utils'
+import { h } from 'vue'
+import FmsTreePanel from '@/components/fms-tree/FmsTreePanel.vue'
+
+const TREE = [
+  {
+    b_id: 'c1',
+    b_name: '分类一',
+    children: [{ b_id: 'd1', b_name: '数据一' }],
+  },
+  { b_id: 'd2', b_name: '数据二' },
+]
+
+const renderPanel = (extraProps = {}) => () =>
+  h(FmsTreePanel, { treeData: TREE, showRoot: true, ...extraProps })
+
+/** 按标题取节点行（children 渲染在行外的兄弟容器里，行自身的 text 只含本节点标题） */
+const rowOf = (wrapper, label) =>
+  wrapper.findAll('[role="treeitem"]').find((row) => row.text().includes(label))
+
+describe('FmsTreePanel 选中态（selected-keys 透传）', () => {
+  it('kebab 写的 selected-keys 能选中业务节点，虚拟根让位', () => {
+    const wrapper = mount({ render: renderPanel({ 'selected-keys': ['d2'] }) })
+
+    const root = wrapper.findAll('[role="treeitem"]')[0]
+    expect(root.text()).toContain('全部分类')
+    expect(root.attributes('aria-selected')).toBe('false')
+    expect(rowOf(wrapper, '数据二').attributes('aria-selected')).toBe('true')
+  })
+
+  it('分类节点同样按 selected-keys 高亮', () => {
+    const wrapper = mount({ render: renderPanel({ 'selected-keys': ['c1'] }) })
+
+    expect(rowOf(wrapper, '分类一').attributes('aria-selected')).toBe('true')
+    expect(wrapper.findAll('[role="treeitem"]')[0].attributes('aria-selected')).toBe('false')
+  })
+
+  it('selected-keys 为空时由虚拟根呈现选中态', () => {
+    const wrapper = mount({ render: renderPanel({ 'selected-keys': [] }) })
+
+    expect(wrapper.findAll('[role="treeitem"]')[0].attributes('aria-selected')).toBe('true')
+  })
+
+  it('点击节点抛出 select，交由调用方回写 selected-keys', async () => {
+    const selected = []
+    const onSelect = (keys) => selected.push(...keys)
+    const wrapper = mount({ render: renderPanel({ 'selected-keys': [], onSelect }) })
+
+    await rowOf(wrapper, '数据二').find('.tree-node-content').trigger('click')
+
+    expect(selected).toEqual(['d2'])
+  })
+})