@Test
public void shouldReturnLatestPairings() {
FlavorPair flavorPair = new FlavorPair();
flavorPair.setIngredient1("Chicken");
flavorPair.setIngredient2("Carrot");
flavorPair.setCategory1("Meat");
flavorPair.setCategory2("Vegetable");
flavorPair.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair);
FlavorPair flavorPair2 = new FlavorPair();
flavorPair2.setIngredient1("Chicken");
flavorPair2.setIngredient2("Butter");
flavorPair2.setCategory1("Meat");
flavorPair2.setCategory2("Dairy");
flavorPair2.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair2);
FlavorPair flavorPair3 = new FlavorPair();
flavorPair3.setIngredient1("Carrot");
flavorPair3.setIngredient2("Butter");
flavorPair3.setCategory1("Vegetable");
flavorPair3.setCategory2("Dairy");
flavorPair3.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair3);
Iterable<LatestPairing> latest = flavorController.getLatestPairings();
List<LatestPairing> pairings = new ArrayList<>();
for (LatestPairing latestPairing : latest) {
pairings.add(latestPairing);
}
assertEquals(3, pairings.size());
assertEquals("Carrot", pairings.get(0).getIngredient1());
assertEquals("Butter", pairings.get(0).getIngredient2());
assertEquals("Chicken", pairings.get(1).getIngredient1());
assertEquals("Butter", pairings.get(1).getIngredient2());
assertEquals("Chicken", pairings.get(2).getIngredient1());
assertEquals("Carrot", pairings.get(2).getIngredient2());
}
@Test
public void shouldDropEarliestPairingWhenLatestPairingsExceeds5() {
FlavorPair flavorPair = new FlavorPair();
flavorPair.setIngredient1("Chicken");
flavorPair.setIngredient2("Carrot");
flavorPair.setCategory1("Meat");
flavorPair.setCategory2("Vegetable");
flavorPair.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair);
FlavorPair flavorPair2 = new FlavorPair();
flavorPair2.setIngredient1("Chicken");
flavorPair2.setIngredient2("Butter");
flavorPair2.setCategory1("Meat");
flavorPair2.setCategory2("Dairy");
flavorPair2.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair2);
FlavorPair flavorPair3 = new FlavorPair();
flavorPair3.setIngredient1("Carrot");
flavorPair3.setIngredient2("Butter");
flavorPair3.setCategory1("Vegetable");
flavorPair3.setCategory2("Dairy");
flavorPair3.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair3);
FlavorPair flavorPair4 = new FlavorPair();
flavorPair4.setIngredient1("Coriander");
flavorPair4.setIngredient2("Yoghurt");
flavorPair4.setCategory1("Vegetable");
flavorPair4.setCategory2("Dairy");
flavorPair4.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair4);
FlavorPair flavorPair5 = new FlavorPair();
flavorPair5.setIngredient1("Coriander");
flavorPair5.setIngredient2("Chicken");
flavorPair5.setCategory1("Vegetable");
flavorPair5.setCategory2("Meat");
flavorPair5.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair5);
FlavorPair flavorPair6 = new FlavorPair();
flavorPair6.setIngredient1("Yoghurt");
flavorPair6.setIngredient2("Chicken");
flavorPair6.setCategory1("Dairy");
flavorPair6.setCategory2("Meat");
flavorPair6.setAffinity(Affinity.EXCELLENT.name());
flavorController.addPair(flavorPair6);
Iterable<LatestPairing> latest = flavorController.getLatestPairings();
List<LatestPairing> pairings = new ArrayList<>();
for (LatestPairing latestPairing : latest) {
pairings.add(latestPairing);
}
assertEquals(5, pairings.size());
assertEquals("Yoghurt", pairings.get(0).getIngredient1());
assertEquals("Chicken", pairings.get(0).getIngredient2());
assertEquals("Coriander", pairings.get(1).getIngredient1());
assertEquals("Chicken", pairings.get(1).getIngredient2());
assertEquals("Coriander", pairings.get(2).getIngredient1());
assertEquals("Yoghurt", pairings.get(2).getIngredient2());
assertEquals("Carrot", pairings.get(3).getIngredient1());
assertEquals("Butter", pairings.get(3).getIngredient2());
assertEquals("Chicken", pairings.get(4).getIngredient1());
assertEquals("Butter", pairings.get(4).getIngredient2());
}