protected void testComponents() throws Exception
{
ResourceType localDS = getManager().getResourceType(ResourceTypes.RESOURCE_TYPE_LOCAL_DATASOURCE);
assert localDS != null;
NavigationAction navAction = getNavigationAction();
ResourceTypeTreeNode retrievedNode = navAction.findNodeByResourceTypeAndParent(localDS, getPlatformNode());
assert retrievedNode != null;
assert localDS.equals(retrievedNode.getResourceType());
assert retrievedNode.getChildNodes().size() == 6;
}