@Test
public void testGetShoppingListPreservesItemData() {
groceryCartService.addToShoppingList("Milk", 12);
groceryCartService.addToShoppingList("Eggs", 23);
groceryCartService.addToShoppingList("Bacon", 34);
boolean milkFound = false;
boolean eggsFound = false;
boolean baconFound = false;
for (GroceryItem gi : groceryCartService.getShoppingList()) {
switch (gi.getName()) {
case "Milk":
assertEquals("Duplicate milk foudn when no dups were added", false, milkFound);
assertEquals("Milk isle added does not natch the isle expected", 12, gi.getIsle());
milkFound = true;
break;
case "Eggs":
assertEquals("Duplicate eggs found when no dups were added", false, eggsFound);
assertEquals("Eggs isle does not natch the isle expected", 23, gi.getIsle());
milkFound = true;
break;
case "Bacon":
assertEquals("Duplicate bacon found when no dups were added", false, baconFound);
assertEquals("Bacon isle does not natch the isle expected", 34, gi.getIsle());
milkFound = true;
break;
default:
fail("Unexpected item found in grocery list");
break;
}
}
}
@Test
public void testGetCartMultipleItems() {
groceryCartService.addToShoppingList("Ham", 32);
groceryCartService.addToShoppingList("Eggs", 21);
for (GroceryItem gi : groceryCartService.getShoppingList()) {
groceryCartService.updateStatus(gi.getId(), CartStatus.ADDED);
}
assertEquals("Cart should have exactly two items", 2, groceryCartService.getCart().size());
}
@Test
public void testGetItemPurchaseHistoryMultiple() {
groceryCartService.addToShoppingList("Ham", 32);
groceryCartService.addToShoppingList("Eggs", 32);
groceryCartService.addToShoppingList("Milk", 23);
groceryCartService.addToShoppingList("Bacon", 12);
for (GroceryItem gi : groceryCartService.getShoppingList()) {
groceryCartService.updateStatus(gi.getId(), CartStatus.PURCHASED);
}
List<PurchaseRecord> purchases = groceryCartService.getItemPurchaseHistory();
assertEquals("Purchase history should have exactly four items", 4, purchases.size());
}