final IPortletWindowId portletWindowId = new MockPortletWindowId("win1");
final IPortletWindowRegistry portletWindowRegistry = createMock(IPortletWindowRegistry.class);
final IPortletRenderer portletRenderer = createMock(IPortletRenderer.class);
expect(portletRenderer.doInit(portletEntity, null, portalControlStructures.getHttpServletRequest(), response))
.andReturn(portletWindowId);
this.springPortletChannel.setPortletDefinitionRegistry(portletDefinitionRegistry);
this.springPortletChannel.setPortletEntityRegistry(portletEntityRegistry);