@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 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 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();
}
@Test
public void onAddingSavedStops_shouldSaveAllStops() {
when(settings.getString("saved_stops", "")).thenReturn("1_123,1_456,1_789");
subject.addSavedStop("1_589");
verify(editor, times(1)).putString("saved_stops", "1_123,1_456,1_789,1_589");
verify(editor, times(1)).apply();
}
@Test
public void onSomeSavedStops_shouldHaveSavedStops() {
when(settings.getString("saved_stops", "")).thenReturn("1_123,1_456,1_789");
assertThat(subject.getSavedStops())
.isEqualTo(
new ArrayList<String>() {
{
add("1_123");
add("1_456");
add("1_789");
}
});
}
@Test
public void onNoSavedStops_shouldHaveEmptyList() {
when(settings.getString("saved_stops", "")).thenReturn("");
assertThat(subject.getSavedStops().size()).isEqualTo(0);
}