test: add test case

vuejs · Nov 26, 2022 · 84bcab4 · 84bcab4
1 parent 70114ee
commit 84bcab4
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/packages/runtime-core/__tests__/hydration.spec.ts b/packages/runtime-core/__tests__/hydration.spec.ts
@@ -955,6 +955,24 @@ describe('SSR hydration', () => {
     expect((vnode as any).component?.subTree.children[0].el).toBe(text)
   })
 
+  // #7215
+  test('empty text node', () => {
+    const txt = ref('')
+    const Comp = {
+      render(this: any) {
+        return  h('p', [ txt.value ])
+      }
+    }
+    const { container } = mountWithHydration('<p></p>', () =>
+      h(Comp)
+    )
+    expect(container.childNodes.length).toBe(1)
+    const p = container.childNodes[0]
+    expect(p.childNodes.length).toBe(1)
+    const text = p.childNodes[0]
+    expect(text.nodeType).toBe(3)
+  })
+
   test('app.unmount()', async () => {
     const container = document.createElement('DIV')
     container.innerHTML = '<button></button>'