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testUtil

There is a newer version: 3.0.0-beta8

package japgolly.scalajs.react.test

import japgolly.scalajs.react.{facade => mainFacade, _}
import org.scalajs.dom

object TestReactRoot {

  def apply(container: mainFacade.ReactDOMClient.RootContainer): TestReactRoot =
    apply(ReactDOMClient.createRoot(container), container)

  def apply(root: ReactRoot, container: mainFacade.ReactDOM.Container): TestReactRoot = {
    @inline def r = root
    @inline def c = container
    new TestReactRoot {
      override type Self = TestDomWithRoot
      override protected def Self(n2: dom.Node) = TestDomWithRoot(this, n2)
      override def root = r

      override def container = c
      override def toString = s"TestReactRoot($root, $container)"
    }
  }
}

// =====================================================================================================================

/** Wraps a React Root (introduced in React 18) and provides utilities for testing its state.
  *
  * As an example `testRoot.innerHTML.assert("Welcome")`
  *
  * @since 2.2.0 / React 18
  */
trait TestReactRoot extends TestContainer {
  override type Self <: TestDomWithRoot

  def root: ReactRoot

  @inline def raw =
    root.raw

  def render[A](unmounted: A)(implicit r: Renderable[A]): Unit =
    ReactTestUtils2.act(root.render(unmounted))

  def unmount(): Unit =
    ReactTestUtils2.act(root.unmount())
}