MCP Time Server Node

import { calculateBusinessHours } from '../../src/tools/calculateBusinessHours'; import { getConfig } from '../../src/utils/config'; import { cache } from '../../src/cache/timeCache'; import type { CalculateBusinessHoursParams } from '../../src/types'; // Mock dependencies jest.mock('../../src/utils/config'); jest.mock('../../src/cache/timeCache'); describe('calculateBusinessHours - Timezone Edge Cases', () => { const mockGetConfig = getConfig as jest.MockedFunction<typeof getConfig>; const mockCache = cache as jest.Mocked<typeof cache>; beforeEach(() => { jest.clearAllMocks(); mockGetConfig.mockReturnValue({ defaultTimezone: 'America/Indianapolis' }); mockCache.get.mockReturnValue(undefined); mockCache.set.mockImplementation(() => true); }); it('should handle times in different timezone contexts correctly', () => { const params: CalculateBusinessHoursParams = { start_time: '2025-01-21T10:00:00', // 10 AM Tokyo time end_time: '2025-01-21T14:00:00', // 2 PM Tokyo time timezone: 'Asia/Tokyo', }; const result = calculateBusinessHours(params); // Should calculate 4 hours in Tokyo business hours expect(result.total_business_hours).toBe(4); expect(result.total_business_minutes).toBe(240); // Should only have one day in the breakdown expect(result.breakdown).toHaveLength(1); expect(result.breakdown[0].date).toBe('2025-01-21'); expect(result.breakdown[0].day_of_week).toBe('Tuesday'); }); it('should handle UTC times converted to business timezone', () => { const params: CalculateBusinessHoursParams = { start_time: '2025-01-21T01:00:00Z', // 10 AM Tokyo = 1 AM UTC end_time: '2025-01-21T05:00:00Z', // 2 PM Tokyo = 5 AM UTC timezone: 'Asia/Tokyo', }; const result = calculateBusinessHours(params); // These UTC times represent 10 AM - 2 PM in Tokyo expect(result.total_business_hours).toBe(4); expect(result.breakdown[0].date).toBe('2025-01-21'); }); it('should handle times with explicit timezone offsets', () => { const params: CalculateBusinessHoursParams = { start_time: '2025-01-21T10:00:00+09:00', // 10 AM Tokyo with offset end_time: '2025-01-21T14:00:00+09:00', // 2 PM Tokyo with offset timezone: 'Asia/Tokyo', }; const result = calculateBusinessHours(params); // Explicit offsets should work the same way expect(result.total_business_hours).toBe(4); expect(result.breakdown[0].date).toBe('2025-01-21'); }); it('should handle cross-day business hours in different timezones', () => { // When it's late evening in US, it's next day morning in Tokyo const params: CalculateBusinessHoursParams = { start_time: '2025-01-20T20:00:00-05:00', // 8 PM EST = 10 AM next day Tokyo end_time: '2025-01-21T00:00:00-05:00', // Midnight EST = 2 PM Tokyo timezone: 'Asia/Tokyo', }; const result = calculateBusinessHours(params); // Should calculate business hours in Tokyo timezone expect(result.total_business_hours).toBe(4); expect(result.breakdown[0].date).toBe('2025-01-21'); // Tokyo date }); });