@Test
public void testUpdateStatusToPurchased() {
groceryCartService.addToShoppingList("Ham", 32);
List<GroceryItem> items = groceryCartService.getShoppingList();
int id = items.get(0).getId();
groceryCartService.updateStatus(id, CartStatus.PURCHASED);
assertEquals(
"Update did not set status to expected result",
CartStatus.PURCHASED,
groceryCartService.getItemPurchaseHistory().get(0).getGroceryItem().getStatus());
}
@Test
public void testGetItemPurchaseHistorySingle() {
groceryCartService.addToShoppingList("Ham", 32);
int id = groceryCartService.getShoppingList().get(0).getId();
groceryCartService.updateStatus(id, CartStatus.PURCHASED);
List<PurchaseRecord> purchases = groceryCartService.getItemPurchaseHistory();
assertEquals("Purchase history should have exactly one item", 1, purchases.size());
assertEquals(
"Item name in purchase history record should match the item purchased",
"Ham",
purchases.get(0).getGroceryItem().getName());
}
@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());
}
@Test
public void testGetItemPurchaseHistoryEmpty() {
assertEquals(
"Purchase history should be empty", 0, groceryCartService.getItemPurchaseHistory().size());
}