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feat(shopping): add getByWeekStart to ShoppingService

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Returns the shopping list for a given week, defaulting to the current
week's Monday when no weekStart is provided. Returns null when no
list exists.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Marcel Raddatz
2026-04-04 18:30:41 +02:00
parent 93e8bf9e41
commit c26c2e1973
2 changed files with 55 additions and 2 deletions
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40
backend/src/test/java/com/recipeapp/shopping/ShoppingServiceTest.java
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@@ -92,6 +92,46 @@ class ShoppingServiceTest {
} catch (Exception e) { throw new RuntimeException(e); }
}
// ── Get by week start ──
@Test
void getByWeekStartShouldReturnListForGivenWeek() {
var household = testHousehold();
var plan = testWeekPlan(household);
var list = testShoppingList(household, plan);
when(shoppingListRepository.findByHouseholdIdAndWeekPlanWeekStart(HOUSEHOLD_ID, WEEK_START))
.thenReturn(Optional.of(list));
ShoppingListResponse result = shoppingService.getByWeekStart(HOUSEHOLD_ID, WEEK_START);
assertThat(result.id()).isEqualTo(list.getId());
}
@Test
void getByWeekStartShouldDefaultToCurrentWeekWhenNull() {
var household = testHousehold();
var plan = testWeekPlan(household);
var list = testShoppingList(household, plan);
when(shoppingListRepository.findByHouseholdIdAndWeekPlanWeekStart(eq(HOUSEHOLD_ID), any(LocalDate.class)))
.thenReturn(Optional.of(list));
ShoppingListResponse result = shoppingService.getByWeekStart(HOUSEHOLD_ID, null);
assertThat(result).isNotNull();
}
@Test
void getByWeekStartShouldReturnNullWhenNoListExists() {
when(shoppingListRepository.findByHouseholdIdAndWeekPlanWeekStart(HOUSEHOLD_ID, WEEK_START))
.thenReturn(Optional.empty());
ShoppingListResponse result = shoppingService.getByWeekStart(HOUSEHOLD_ID, WEEK_START);
assertThat(result).isNull();
}
// ── Generate ──
@Test