Examples with VirtualChildrenList com.vaadin.flow.internal.nodefeature.VirtualChildrenList used on opensource projects

Example 11 with VirtualChildrenList

use of com.vaadin.flow.internal.nodefeature.VirtualChildrenList in project flow by vaadin.

the class PolymerTemplateTest method attachExistingElement_elementIsCreatedAndSetAsVirtualChild.

@Test
public void attachExistingElement_elementIsCreatedAndSetAsVirtualChild() {
    IdElementTemplate template = new IdElementTemplate();
    VirtualChildrenList feature = template.getStateNode().getFeature(VirtualChildrenList.class);
    List<StateNode> templateNodes = new ArrayList<>();
    feature.forEachChild(templateNodes::add);
    assertEquals(1, templateNodes.size());
    StateNode child = templateNodes.get(0);
    String tag = child.getFeature(ElementData.class).getTag();
    assertEquals("label", tag);
    assertNotNull(template.label);
    assertEquals(child, template.label.getNode());
    assertElementData(child, NodeProperties.INJECT_BY_ID, "labelId");
}