MCP Time Server Node

import { getBusinessDays } from '../../src/tools/getBusinessDays'; import type { GetBusinessDaysParams } from '../../src/types'; describe('getBusinessDays with holiday calendar support', () => { describe('holiday_calendar parameter', () => { it('should subtract US holidays from business days', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holiday_calendar: 'US', }; const result = getBusinessDays(params); // January 2025: 31 days, 8 weekend days // Holidays: Jan 1 (New Year's), Jan 20 (MLK Day) // Business days: 31 - 8 - 2 = 21 expect(result.total_days).toBe(31); expect(result.weekend_days).toBe(8); expect(result.holiday_count).toBe(2); expect(result.business_days).toBe(21); }); it('should handle observed holidays correctly', () => { const params: GetBusinessDaysParams = { start_date: '2026-07-01', end_date: '2026-07-31', holiday_calendar: 'US', }; const result = getBusinessDays(params); // July 2026: July 4 is Saturday, observed on Friday July 3 // Business days should exclude July 3 (observed), not July 4 (weekend) expect(result.holiday_count).toBe(1); // Only count the observed date expect(result.business_days).toBe(22); // 23 weekdays - 1 observed holiday }); it('should work with UK holidays', () => { const params: GetBusinessDaysParams = { start_date: '2025-12-20', end_date: '2025-12-31', holiday_calendar: 'UK', }; const result = getBusinessDays(params); // December 20-31: Christmas (25th) and Boxing Day (26th) // Both are weekdays in 2025 expect(result.holiday_count).toBe(2); }); it('should handle unknown country gracefully', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holiday_calendar: 'XX', // Unknown country }; const result = getBusinessDays(params); // Should work like no holidays expect(result.holiday_count).toBe(0); expect(result.business_days).toBe(23); // Just weekdays }); }); describe('include_observed parameter', () => { it('should use observed dates when include_observed is true (default)', () => { const params: GetBusinessDaysParams = { start_date: '2026-12-20', end_date: '2026-12-31', holiday_calendar: 'US', // include_observed defaults to true }; const result = getBusinessDays(params); // Christmas 2026 is Friday (Dec 25) // No observation needed, just regular holiday expect(result.holiday_count).toBe(1); }); it('should ignore observed dates when include_observed is false', () => { const params: GetBusinessDaysParams = { start_date: '2027-12-20', end_date: '2027-12-31', holiday_calendar: 'US', include_observed: false, }; const result = getBusinessDays(params); // Christmas 2027 is Saturday (Dec 25) // With include_observed: false, it's just a weekend day // No holiday should be counted expect(result.holiday_count).toBe(0); }); }); describe('custom_holidays parameter', () => { it('should combine calendar and custom holidays', () => { const params: GetBusinessDaysParams = { start_date: '2025-06-01', end_date: '2025-06-30', holiday_calendar: 'US', custom_holidays: ['2025-06-19'], // Juneteenth (not in federal list yet) }; const result = getBusinessDays(params); // June 2025: No US federal holidays, but we added Juneteenth expect(result.holiday_count).toBe(1); }); it('should not double-count holidays', () => { const params: GetBusinessDaysParams = { start_date: '2025-07-01', end_date: '2025-07-31', holiday_calendar: 'US', custom_holidays: ['2025-07-04'], // Duplicate of Independence Day }; const result = getBusinessDays(params); // Should only count July 4th once expect(result.holiday_count).toBe(1); }); }); describe('backward compatibility', () => { it('should still work with legacy holidays parameter', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holidays: ['2025-01-15', '2025-01-22'], // Legacy parameter }; const result = getBusinessDays(params); expect(result.holiday_count).toBe(2); expect(result.business_days).toBe(21); // 23 weekdays - 2 holidays }); it('should combine all holiday sources', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holidays: ['2025-01-15'], // Legacy holiday_calendar: 'US', // Calendar holidays custom_holidays: ['2025-01-22'], // Custom }; const result = getBusinessDays(params); // Should have: Jan 1 (New Year's), Jan 15 (legacy), Jan 20 (MLK), Jan 22 (custom) expect(result.holiday_count).toBe(4); expect(result.business_days).toBe(19); // 23 weekdays - 4 holidays }); }); describe('timezone handling with holidays', () => { it('should interpret holiday dates in the business timezone', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-01', timezone: 'America/Los_Angeles', holiday_calendar: 'US', }; const result = getBusinessDays(params); // Jan 1, 2025 is New Year's Day expect(result.holiday_count).toBe(1); expect(result.business_days).toBe(0); // Holiday }); }); describe('caching with holiday calendar', () => { it('should cache results with holiday calendar in key', () => { const params: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holiday_calendar: 'US', }; const result1 = getBusinessDays(params); const result2 = getBusinessDays(params); // Should return same cached result expect(result2).toEqual(result1); }); it('should use different cache for different calendars', () => { const paramsUS: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holiday_calendar: 'US', }; const paramsUK: GetBusinessDaysParams = { start_date: '2025-01-01', end_date: '2025-01-31', holiday_calendar: 'UK', }; const resultUS = getBusinessDays(paramsUS); const resultUK = getBusinessDays(paramsUK); // Different holiday counts for different countries expect(resultUS.holiday_count).not.toBe(resultUK.holiday_count); }); }); });