feat: implement basic test renderer

packages/renderer-test/__tests__/testRenderer.spec.ts

@@ -0,0 +1,42 @@
+import {
+  h,
+  render,
+  Component,
+  nodeOps,
+  NodeTypes,
+  TestElement,
+  TestText
+} from '../src'
+
+describe('test renderer', () => {
+  it('should work', () => {
+    class App extends Component {
+      render() {
+        return h(
+          'div',
+          {
+            id: 'test'
+          },
+          'hello'
+        )
+      }
+    }
+    const root = nodeOps.createElement('div')
+    render(h(App), root)
+
+    expect(root.children.length).toBe(1)
+
+    const el = root.children[0] as TestElement
+    expect(el.type).toBe(NodeTypes.ELEMENT)
+    expect(el.props.id).toBe('test')
+    expect(el.children.length).toBe(1)
+
+    const text = el.children[0] as TestText
+    expect(text.type).toBe(NodeTypes.TEXT)
+    expect(text.text).toBe('hello')
+  })
+
+  it('should record ops', () => {
+    // TODO
+  })
+})