Initial commit: Fahrrad Verschleißteile Tracker
- Next.js SPA mit Bun Runtime - Prisma mit SQLite Datenbank - Vollständige CRUD-Operationen für Fahrräder, Verschleißteile und Wartungshistorie - Warnsystem für bevorstehende Wartungen - Statistik-Features (Gesamtkosten, durchschnittliche Lebensdauer) - Zod-Validierung für alle API-Requests - Umfassende Test-Suite (41 Tests)
This commit is contained in:
Denis Urs Rudolph
330
__tests__/lib/utils.test.ts
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330
__tests__/lib/utils.test.ts
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import { describe, it, expect } from 'vitest'
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import {
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calculateServiceStatus,
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calculateTotalCosts,
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calculateAverageLifespan,
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formatDate,
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formatCurrency,
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} from '@/lib/utils'
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import { WearPart, MaintenanceHistory } from '@prisma/client'
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describe('Utility Functions', () => {
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describe('calculateServiceStatus', () => {
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it('should return OK status when part is new', () => {
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const part = {
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [],
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}
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const status = calculateServiceStatus(part)
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expect(status.status).toBe('OK')
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expect(status.remainingKm).toBe(1000)
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expect(status.percentageUsed).toBe(0)
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})
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it('should return WARNING status when 75% used', () => {
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const part = {
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [
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{
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id: '1',
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wearPartId: '1',
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date: new Date(),
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mileage: 750,
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action: 'SERVICE',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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],
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}
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const status = calculateServiceStatus(part)
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expect(status.status).toBe('WARNING')
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expect(status.percentageUsed).toBeGreaterThanOrEqual(75)
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})
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it('should return CRITICAL status when 90% used', () => {
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const part = {
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [
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{
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id: '1',
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wearPartId: '1',
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date: new Date(),
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mileage: 950,
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action: 'SERVICE',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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],
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}
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const status = calculateServiceStatus(part)
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expect(status.status).toBe('CRITICAL')
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expect(status.percentageUsed).toBeGreaterThanOrEqual(90)
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})
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})
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describe('calculateTotalCosts', () => {
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it('should calculate total costs correctly', () => {
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const parts = [
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{
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: 50.0,
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notes: null,
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maintenanceHistory: [
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{
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id: '1',
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wearPartId: '1',
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date: new Date(),
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mileage: 500,
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action: 'SERVICE',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: 20.0,
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},
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],
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},
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{
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id: '2',
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bikeId: 'bike1',
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type: 'BRAKE_PADS',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 500,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: 30.0,
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notes: null,
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maintenanceHistory: [],
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},
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]
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const total = calculateTotalCosts(parts)
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expect(total).toBe(100.0) // 50 + 20 + 30
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})
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it('should return 0 for parts with no costs', () => {
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const parts = [
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{
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [],
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},
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]
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const total = calculateTotalCosts(parts)
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expect(total).toBe(0)
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})
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})
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describe('calculateAverageLifespan', () => {
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it('should calculate average lifespan for replaced parts', () => {
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const parts = [
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{
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'REPLACED',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [
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{
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id: '1',
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wearPartId: '1',
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date: new Date('2024-01-01'),
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mileage: 0,
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action: 'INSTALL',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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{
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id: '2',
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wearPartId: '1',
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date: new Date('2024-06-01'),
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mileage: 2000,
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action: 'REPLACE',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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],
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},
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{
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id: '2',
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bikeId: 'bike1',
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type: 'BRAKE_PADS',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 500,
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status: 'REPLACED',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [
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{
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id: '3',
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wearPartId: '2',
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date: new Date('2024-01-01'),
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mileage: 0,
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action: 'INSTALL',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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{
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id: '4',
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wearPartId: '2',
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date: new Date('2024-03-01'),
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mileage: 1000,
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action: 'REPLACE',
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createdAt: new Date(),
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updatedAt: new Date(),
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notes: null,
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cost: null,
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},
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],
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},
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]
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const avg = calculateAverageLifespan(parts)
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expect(avg).toBe(1500) // (2000 + 1000) / 2
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})
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it('should return null when no replaced parts exist', () => {
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const parts = [
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{
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id: '1',
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bikeId: 'bike1',
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type: 'CHAIN',
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installDate: new Date(),
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installMileage: 0,
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serviceInterval: 1000,
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status: 'ACTIVE',
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createdAt: new Date(),
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updatedAt: new Date(),
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brand: null,
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model: null,
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cost: null,
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notes: null,
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maintenanceHistory: [],
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},
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]
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const avg = calculateAverageLifespan(parts)
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expect(avg).toBeNull()
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})
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})
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describe('formatDate', () => {
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it('should format date correctly', () => {
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const date = new Date('2024-01-15')
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const formatted = formatDate(date)
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expect(formatted).toMatch(/\d{2}\.\d{2}\.\d{4}/)
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})
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it('should format date string correctly', () => {
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const dateString = '2024-01-15T00:00:00.000Z'
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const formatted = formatDate(dateString)
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expect(formatted).toMatch(/\d{2}\.\d{2}\.\d{4}/)
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})
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})
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describe('formatCurrency', () => {
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it('should format currency correctly', () => {
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const formatted = formatCurrency(123.45)
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expect(formatted).toContain('123,45')
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expect(formatted).toContain('€')
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})
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it('should return default for null', () => {
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const formatted = formatCurrency(null)
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expect(formatted).toBe('0,00 €')
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})
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it('should return default for undefined', () => {
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const formatted = formatCurrency(undefined)
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expect(formatted).toBe('0,00 €')
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})
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})
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})
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