Method render

packages/core/testing/src/defer.ts:36–52

* Renders the specified state of the defer fixture. * @param state the defer state to render

(state: DeferBlockState)

   * @param state the defer state to render
   */
  async render(state: DeferBlockState): Promise<void> {
    if (!hasStateTemplate(state, this.block)) {
      const stateAsString = getDeferBlockStateNameFromEnum(state);
      throw new Error(
        `Tried to render this defer block in the \`${stateAsString}\` state, ` +
          `but there was no @${stateAsString.toLowerCase()} block defined in a template.`,
      );
    }
    if (state === DeferBlockState.Complete) {
      await triggerResourceLoading(this.block.tDetails, this.block.lView, this.block.tNode);
    }
    // If the `render` method is used explicitly - skip timer-based scheduling for
    // `@placeholder` and `@loading` blocks and render them immediately.
    const skipTimerScheduling = true;
    renderDeferBlockState(state, this.block.tNode, this.block.lContainer, skipTimerScheduling);
    this.componentFixture.detectChanges();
  }

  /**
   * Retrieves all nested child defer block fixtures