@Test
public void bindDoesNotNullPointerExceptionForViews() {
names.set(null);
binder.bind(names).to(panel, viewFactory);
names.set(Copy.list("one"));
assertThat(panel.getWidgetCount(), is(1));
}
@Test
public void newNamesAreAddedToPanel() {
binder.bind(names).to(panel, viewFactory);
assertThat(panel.getWidgetCount(), is(0));
names.add("one");
assertLabel(panel.getIsWidget(0), "one");
}
@Test
public void newNamesAreAddedAfterExistingContent() {
panel.add(viewFactory.create("existing"));
binder.bind(names).to(panel, viewFactory);
names.add("one");
assertLabel(panel.getIsWidget(0), "existing");
assertLabel(panel.getIsWidget(1), "one");
}
@Test
public void newNamesAreAddedWithIndexToPanel() {
binder.bind(names).to(panel, viewFactory);
names.add("one");
assertLabel(panel.getIsWidget(0), "one");
names.add(0, "two");
assertLabel(panel.getIsWidget(0), "two");
}
@Test
public void initialNamesAreAddedToPanel() {
names.add("one");
names.add("two");
binder.bind(names).to(panel, viewFactory);
assertLabel(panel.getIsWidget(0), "one");
assertLabel(panel.getIsWidget(1), "two");
}
@Test
public void bindDoesNotNullPointerExceptionForPresenters() {
names.set(null);
ParentPresenter parent = bind(new ParentPresenter());
binder.bind(names).to(parent, panel, presenterFactory);
names.set(Copy.list("one"));
assertThat(panel.getWidgetCount(), is(1));
}
@Test
public void newPresentersAreAddedToPanel() {
binder.bind(names).to(parent, panel, presenterFactory);
assertThat(panel.getWidgetCount(), is(0));
names.add("one");
assertLabel(panel.getIsWidget(0), "one");
assertThat(parent.getChildren().size(), is(1));
}
@Test
public void initialPresentersAreAddedToPanel() {
names.add("one");
names.add("two");
binder.bind(names).to(parent, panel, presenterFactory);
assertLabel(panel.getIsWidget(0), "one");
assertLabel(panel.getIsWidget(1), "two");
assertThat(parent.getChildren().size(), is(2));
}
@Test
public void oldNamesAreRemovedFromPanel() {
binder.bind(names).to(panel, viewFactory);
names.add("one");
names.add("two");
assertThat(panel.getWidgetCount(), is(2));
names.remove("one");
assertThat(panel.getWidgetCount(), is(1));
assertLabel(panel.getIsWidget(0), "two");
}
@Test
public void oldPresentersAreRemovedFromPanel() {
binder.bind(names).to(parent, panel, presenterFactory);
names.add("one");
names.add("two");
assertThat(panel.getWidgetCount(), is(2));
assertThat(parent.getChildren().size(), is(2));
names.remove("one");
assertThat(panel.getWidgetCount(), is(1));
assertLabel(panel.getIsWidget(0), "two");
assertThat(parent.getChildren().size(), is(1));
}
@Test
public void reordersToDoNotRequireCreatingNewPresenters() {
binder.bind(names).to(parent, panel, presenterFactory);
names.set(list("one", "two"));
assertThat(panel.getWidgetCount(), is(2));
assertLabel(panel.getIsWidget(0), "one");
assertThat(presenterFactory.created, is(2));
names.set(list("two", "one"));
assertThat(panel.getWidgetCount(), is(2));
assertLabel(panel.getIsWidget(0), "two");
assertThat(presenterFactory.created, is(2));
}