DealPresenterTestV3 - TP article

DealPresenterTestV3.java

public class DealPresenterTest {
  @Rule public MockitoRule mockitoRule = MockitoJUnit.rule();
  @Rule public ToothPickRule toothPickRule = new ToothPickRule(this, “DealPresenter”);
  
  @Mock DealUtil dealUtil;
  @Mock DealApiClient dealApiClient;
  @Mock WishlistManager wishlistManager;
  @Inject DealPresenter dealPresenterUnderTest;
  
  @Before
  public void setUp() {
    toothPickRule.inject(this);
  }
    ...
  @Test 
  public void onWishlistSelected_when_wishlistEnabled() throws Exception {
    //GIVEN
    Deal deal = new Deal();
    deal.id = "12345";
    dealPresenterUnderTest.deal = deal;
    when(dealUtil.isWishlistEnabled(deal)).thenReturn(true);
    //WHEN
    dealPresenterUnderTest.onWishlistSelected();
    //THEN
    verify(wishlistManager).addDealToWishlist(deal.id);
  } 
  ...
}