@Test(expected = ConfigurationException.class)
public void changeView_RootComponentNotSet() {
// given
when(toView.getRootComponent()).thenReturn(null);
when(toView.getName()).thenReturn("toView");
// when
ui.changeView(toView);
// then
}
@Test
public void changeView() {
// given
when(toView.getRootComponent()).thenReturn(viewContent);
when(toView.getName()).thenReturn("toView");
// when
ui.changeView(toView);
// then
verify(toView).getRootComponent();
verify(translator).translate(toView);
verify(viewContent).setSizeFull();
assertThat(ui.getViewDisplayPanel().getContent()).isEqualTo(viewContent);
}