test(srr): group portal tests

packages/server-renderer/__tests__/ssrPortal.spec.ts

@@ -0,0 +1,44 @@
+import { createApp, h, Portal } from 'vue'
+import { renderToString, SSRContext } from '../src/renderToString'
+import { ssrRenderPortal } from '../src/helpers/ssrRenderPortal'
+
+describe('ssrRenderPortal', () => {
+  test('portal rendering (compiled)', async () => {
+    const ctx = {
+      portals: {}
+    } as SSRContext
+    await renderToString(
+      createApp({
+        data() {
+          return { msg: 'hello' }
+        },
+        ssrRender(_ctx, _push, _parent) {
+          ssrRenderPortal(
+            _push => {
+              _push(`<div>content</div>`)
+            },
+            '#target',
+            _parent
+          )
+        }
+      }),
+      ctx
+    )
+    expect(ctx.portals!['#target']).toBe(`<div>content</div>`)
+  })
+
+  test('portal rendering (vnode)', async () => {
+    const ctx: SSRContext = {}
+    await renderToString(
+      h(
+        Portal,
+        {
+          target: `#target`
+        },
+        h('span', 'hello')
+      ),
+      ctx
+    )
+    expect(ctx.portals!['#target']).toBe('<span>hello</span>')
+  })
+})