feat(backend): Statistik- und Reporting-Endpunkte (Modul 27)
Aggregations-Endpunkte fuer Voelker, Koeniginnen, Bienenstaende, Varroa, Honig und Fuetterung nach Lastenheft Abschnitt 4.26.
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import { StatisticsService } from './statistics.service';
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import { PrismaService } from '../prisma/prisma.service';
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describe('StatisticsService', () => {
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let service: StatisticsService;
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let prisma: {
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colony: { groupBy: jest.Mock; findMany: jest.Mock };
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inspection: { findMany: jest.Mock };
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queen: { findMany: jest.Mock };
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queenEvaluation: { findMany: jest.Mock };
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apiary: { findMany: jest.Mock };
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varroaMeasurement: { findMany: jest.Mock };
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treatment: { groupBy: jest.Mock };
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harvest: { findMany: jest.Mock };
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honeyBatch: { findMany: jest.Mock };
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feeding: { findMany: jest.Mock };
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};
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beforeEach(() => {
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prisma = {
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colony: {
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groupBy: jest.fn().mockResolvedValue([]),
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findMany: jest.fn().mockResolvedValue([]),
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},
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inspection: { findMany: jest.fn().mockResolvedValue([]) },
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queen: { findMany: jest.fn().mockResolvedValue([]) },
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queenEvaluation: { findMany: jest.fn().mockResolvedValue([]) },
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apiary: { findMany: jest.fn().mockResolvedValue([]) },
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varroaMeasurement: { findMany: jest.fn().mockResolvedValue([]) },
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treatment: { groupBy: jest.fn().mockResolvedValue([]) },
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harvest: { findMany: jest.fn().mockResolvedValue([]) },
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honeyBatch: { findMany: jest.fn().mockResolvedValue([]) },
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feeding: { findMany: jest.fn().mockResolvedValue([]) },
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};
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service = new StatisticsService(prisma as unknown as PrismaService);
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});
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describe('colonies', () => {
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it('groups losses by year using deactivatedAt, falling back to updatedAt', async () => {
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prisma.colony.groupBy.mockResolvedValueOnce([
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{ status: 'ACTIVE', _count: { _all: 5 } },
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]);
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prisma.colony.findMany.mockResolvedValueOnce([
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{
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deactivatedAt: new Date('2025-09-01'),
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updatedAt: new Date('2025-09-01'),
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},
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{ deactivatedAt: null, updatedAt: new Date('2024-03-01') },
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]);
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const result = await service.colonies();
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expect(result.byStatus).toEqual([{ status: 'ACTIVE', count: 5 }]);
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expect(result.lossesByYear).toEqual({ '2025': 1, '2024': 1 });
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});
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});
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describe('queens', () => {
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it('averages evaluation dimensions per queen and sorts by honey yield descending', async () => {
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prisma.queen.findMany.mockResolvedValueOnce([
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{
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id: 'q1',
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code: 'K-001',
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status: 'ACTIVE',
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createdAt: new Date('2024-01-01'),
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deactivatedAt: null,
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},
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{
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id: 'q2',
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code: 'K-002',
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status: 'ACTIVE',
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createdAt: new Date('2024-01-01'),
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deactivatedAt: null,
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},
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]);
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prisma.queenEvaluation.findMany.mockResolvedValueOnce([
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{
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queenId: 'q1',
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colonyStrength: 3,
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gentleness: 3,
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combBuild: 3,
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swarmingTendency: 3,
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broodPattern: 3,
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honeyYield: 2,
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},
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{
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queenId: 'q2',
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colonyStrength: 5,
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gentleness: 5,
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combBuild: 5,
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swarmingTendency: 5,
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broodPattern: 5,
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honeyYield: 5,
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},
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]);
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const result = await service.queens();
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expect(result.evaluationAverages.map((row) => row.queenId)).toEqual([
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'q2',
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'q1',
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]);
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expect(result.evaluationAverages[0].honeyYield).toBe(5);
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});
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it('computes average lifespan only from retired queens', async () => {
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prisma.queen.findMany.mockResolvedValueOnce([
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{
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id: 'q1',
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code: 'K-001',
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status: 'RETIRED',
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createdAt: new Date('2024-01-01'),
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deactivatedAt: new Date('2024-01-11'),
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},
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{
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id: 'q2',
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code: 'K-002',
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status: 'ACTIVE',
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createdAt: new Date('2024-01-01'),
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deactivatedAt: null,
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},
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]);
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const result = await service.queens();
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expect(result.averageLifespanDays).toBe(10);
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});
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});
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describe('apiaries', () => {
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it('computes honey totals and colony counts per apiary', async () => {
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prisma.apiary.findMany.mockResolvedValueOnce([
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{
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id: 'a1',
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name: 'Wabenhain Nord',
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colonies: [
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{ id: 'c1', status: 'ACTIVE' },
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{ id: 'c2', status: 'DECEASED' },
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],
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harvests: [{ netWeight: 10 }, { netWeight: 5 }],
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},
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]);
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const result = await service.apiaries();
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expect(result).toEqual([
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{
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apiaryId: 'a1',
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name: 'Wabenhain Nord',
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activeColonies: 1,
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lostColonies: 1,
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totalHoneyKg: 15,
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averageHoneyKgPerColony: 7.5,
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},
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]);
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});
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});
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describe('varroa', () => {
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it('returns measurements and treatment counts per colony', async () => {
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prisma.varroaMeasurement.findMany.mockResolvedValueOnce([
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{
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colonyId: 'c1',
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date: new Date('2025-07-01'),
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miteCount: 4,
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method: 'PUDERZUCKER',
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},
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]);
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prisma.treatment.groupBy.mockResolvedValueOnce([
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{ colonyId: 'c1', _count: { _all: 2 } },
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]);
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const result = await service.varroa();
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expect(result.measurements).toHaveLength(1);
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expect(result.treatmentCountByColony).toEqual([
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{ colonyId: 'c1', treatmentCount: 2 },
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]);
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});
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});
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describe('honey', () => {
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it('sums yield per year and per apiary', async () => {
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prisma.harvest.findMany.mockResolvedValueOnce([
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{ apiaryId: 'a1', date: new Date('2025-06-01'), netWeight: 10 },
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{ apiaryId: 'a1', date: new Date('2024-06-01'), netWeight: 6 },
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{ apiaryId: 'a2', date: new Date('2025-06-01'), netWeight: 4 },
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]);
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prisma.honeyBatch.findMany.mockResolvedValueOnce([
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{ amount: 8, createdAt: new Date() },
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]);
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const result = await service.honey();
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expect(result.totalHarvestKg).toBe(20);
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expect(result.totalHoneyBatchKg).toBe(8);
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expect(result.yieldPerYear).toEqual({ '2025': 14, '2024': 6 });
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expect(result.yieldPerApiary).toEqual({ a1: 16, a2: 4 });
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});
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});
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describe('feeding', () => {
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it('sums feeding amount per colony and per season', async () => {
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prisma.feeding.findMany.mockResolvedValueOnce([
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{ colonyId: 'c1', date: new Date('2025-09-01'), amount: 5, unit: 'l' },
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{ colonyId: 'c1', date: new Date('2025-09-15'), amount: 3, unit: 'l' },
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{ colonyId: 'c2', date: new Date('2024-09-01'), amount: 2, unit: 'l' },
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]);
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const result = await service.feeding();
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expect(result.byColony).toEqual({ c1: 8, c2: 2 });
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expect(result.bySeason).toEqual({ '2025': 8, '2024': 2 });
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});
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});
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});
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