@Test
public void whenDeletingLastSavedStop_itShouldCommitEmptyString() {
when(settings.getString("saved_stops", "")).thenReturn("1_456");
subject.deleteSavedStop("1_456");
verify(editor).putString("saved_stops", "");
verify(editor).apply();
}
@Test
public void whenDeletingANotSavedStop_itShouldDoNothing() {
when(settings.getString("saved_stops", "")).thenReturn("1_123,1_456,1_789");
subject.deleteSavedStop("1_589");
verify(editor, times(1)).putString("saved_stops", "1_123,1_456,1_789");
verify(editor, times(1)).apply();
}
@Test
public void whenDeletingAnExistingStop_itShouldDeleteFromSettings() {
when(settings.getString("saved_stops", "")).thenReturn("1_123,1_456,1_789");
subject.deleteSavedStop("1_456");
verify(editor).putString("saved_stops", "1_123,1_789");
verify(editor).apply();
}