munch-ease-frontend/tests/shopping.mappers.boundary.test.ts

import { describe, it, expect } from 'vitest'
import { mapCurrentShoppingList, mapPurchasedShoppingList } from '@/api/sdk'

// These tests lock boundary behavior for partial/missing lookups and date normalization

describe('shopping mappers boundary', () => {
  it('handles missing lookups gracefully (no refs attached)', () => {
    const dto = {
      outstandingItems: [
        { ingredientId: 10, mealId: 1, recipeId: 5, listId: 7, createdDate: '2025-01-01T00:00:00Z' },
      ],
      requestedMeals: [
        { mealId: 2, createdDate: '2025-01-02T00:00:00Z' },
      ],
      purchasedItems: [],
    }
  const mapped = mapCurrentShoppingList(dto as unknown as Parameters<typeof mapCurrentShoppingList>[0])
    expect(mapped.outstandingItems[0].ingredient).toBeUndefined()
    expect(mapped.outstandingItems[0].meal).toBeUndefined()
    expect(mapped.outstandingItems[0].recipe).toBeUndefined()
    expect(mapped.outstandingItems[0].list).toBeUndefined()
    expect(mapped.requestedMeals[0].meal).toBeUndefined()
    // Dates normalized
    expect(mapped.outstandingItems[0].createdDate).toBeInstanceOf(Date)
    expect(mapped.requestedMeals[0].createdDate).toBeInstanceOf(Date)
  })

  it('normalizes dates on purchased list and items even with partial lookups', () => {
    const dto = {
      ingredientsLookup: { 10: { id: 10, name: 'Milk' } },
      list: {
        id: 11,
        createdDate: '2025-03-03T00:00:00Z',
        items: [
          { ingredientId: 10, listId: 11, createdDate: '2025-03-03T00:00:00Z' },
          { ingredientId: 99, listId: 11, createdDate: '2025-03-03T00:00:00Z' },
        ],
      },
    }
  const mapped = mapPurchasedShoppingList(dto as unknown as Parameters<typeof mapPurchasedShoppingList>[0])
    expect(mapped.list.createdDate).toBeInstanceOf(Date)
    expect(mapped.list.items[0].createdDate).toBeInstanceOf(Date)
    expect(mapped.list.items[1].createdDate).toBeInstanceOf(Date)
    // First item gets ingredient ref, second does not
    expect(mapped.list.items[0].ingredient?.name).toBe('Milk')
    expect(mapped.list.items[1].ingredient).toBeUndefined()
  })
})