@Test public void test_toString() { List<String> selectedCountries = new ArrayList<String>(); selectedCountries.add("Canada"); selectedCountries.add("Spain"); when(evaluator.label(any(LabelSupport.class))).thenReturn("label"); when(evaluator.selectedValues(any(ListBox.class))).thenReturn(selectedCountries); when(evaluator.values(any(ListBox.class))).thenReturn(countries); ListBox listBox = new ListBox(evaluator, id); assertThat(listBox.toString(), is("class org.testatoo.core.component.ListBox with state : enabled:true, visible:true, values:[France, Canada, Germany, Italy, Spain], selectedValues:[Canada, Spain], label:label")); } }