MCP Time Server Node

import { calculateFloatingHoliday, getObservedDate, type Holiday } from '../../src/data/holidays'; import { addDays } from 'date-fns'; describe('Holidays Refactoring Tests', () => { describe('calculateFloatingHoliday edge cases', () => { it('should handle Victoria Day special case', () => { const victoriaDay: Holiday = { name: 'Victoria Day', type: 'floating', month: 5, weekday: 1, occurrence: -2, // Special marker for Victoria Day observe: 'always', }; // Test multiple years const tests = [ { year: 2025, expected: new Date(2025, 4, 19) }, // May 24 is Saturday { year: 2024, expected: new Date(2024, 4, 20) }, // May 24 is Friday { year: 2023, expected: new Date(2023, 4, 22) }, // May 24 is Wednesday ]; tests.forEach(({ year, expected }) => { const result = calculateFloatingHoliday(victoriaDay, year); expect(result).toEqual(expected); }); }); it('should handle last occurrence correctly', () => { const memorialDay: Holiday = { name: 'Memorial Day', type: 'floating', month: 5, weekday: 1, // Monday occurrence: -1, // Last observe: 'always', }; const result = calculateFloatingHoliday(memorialDay, 2025); expect(result).toEqual(new Date(2025, 4, 26)); // Last Monday in May }); it('should handle nth occurrence that exceeds month', () => { const invalid: Holiday = { name: 'Invalid', type: 'floating', month: 2, // February weekday: 1, // Monday occurrence: 5, // 5th Monday (doesn't exist in Feb) observe: 'always', }; const result = calculateFloatingHoliday(invalid, 2025); expect(result).toBeNull(); }); it('should return null for invalid holiday type', () => { const invalid: Holiday = { name: 'Invalid', type: 'fixed', // Wrong type month: 5, weekday: 1, occurrence: 1, observe: 'always', }; const result = calculateFloatingHoliday(invalid, 2025); expect(result).toBeNull(); }); }); describe('getObservedDate behavior', () => { // Test dates: Fri, Sat, Sun, Mon, Tue, Wed, Thu const testDates = [ { date: new Date(2025, 6, 4), day: 'Friday' }, // July 4 { date: new Date(2025, 6, 5), day: 'Saturday' }, // July 5 { date: new Date(2025, 6, 6), day: 'Sunday' }, // July 6 { date: new Date(2025, 6, 7), day: 'Monday' }, // July 7 { date: new Date(2025, 6, 1), day: 'Tuesday' }, // July 1 { date: new Date(2025, 6, 2), day: 'Wednesday' }, // July 2 { date: new Date(2025, 6, 3), day: 'Thursday' }, // July 3 ]; describe('us_federal rule', () => { it('should move Saturday to Friday and Sunday to Monday', () => { const saturday = testDates[1].date; const sunday = testDates[2].date; expect(getObservedDate(saturday, 'us_federal')).toEqual(addDays(saturday, -1)); expect(getObservedDate(sunday, 'us_federal')).toEqual(addDays(sunday, 1)); }); it('should not move weekdays', () => { [0, 3, 4, 5, 6].forEach((i) => { const date = testDates[i].date; expect(getObservedDate(date, 'us_federal')).toEqual(date); }); }); }); describe('uk_bank rule', () => { it('should move both Saturday and Sunday to Monday', () => { const saturday = testDates[1].date; const sunday = testDates[2].date; expect(getObservedDate(saturday, 'uk_bank')).toEqual(addDays(saturday, 2)); expect(getObservedDate(sunday, 'uk_bank')).toEqual(addDays(sunday, 1)); }); }); describe('au_public rule', () => { it('should move Sunday to Monday but keep Saturday', () => { const saturday = testDates[1].date; const sunday = testDates[2].date; expect(getObservedDate(saturday, 'au_public')).toEqual(saturday); expect(getObservedDate(sunday, 'au_public')).toEqual(addDays(sunday, 1)); }); }); describe('cl_monday rule', () => { it('should move Tue/Wed/Thu to previous Monday', () => { const tuesday = testDates[4].date; const wednesday = testDates[5].date; const thursday = testDates[6].date; const previousMonday = new Date(2025, 5, 30); // June 30 expect(getObservedDate(tuesday, 'cl_monday')).toEqual(previousMonday); expect(getObservedDate(wednesday, 'cl_monday')).toEqual(previousMonday); expect(getObservedDate(thursday, 'cl_monday')).toEqual(previousMonday); }); it('should move Sat/Sun to next Monday', () => { const saturday = testDates[1].date; const sunday = testDates[2].date; const nextMonday = testDates[3].date; expect(getObservedDate(saturday, 'cl_monday')).toEqual(nextMonday); expect(getObservedDate(sunday, 'cl_monday')).toEqual(nextMonday); }); it('should not move Monday or Friday', () => { const monday = testDates[3].date; const friday = testDates[0].date; expect(getObservedDate(monday, 'cl_monday')).toEqual(monday); expect(getObservedDate(friday, 'cl_monday')).toEqual(friday); }); }); describe('never and always rules', () => { it('should return original date', () => { testDates.forEach(({ date }) => { expect(getObservedDate(date, 'never')).toEqual(date); expect(getObservedDate(date, 'always')).toEqual(date); }); }); }); describe('unknown rule', () => { it('should return original date for unknown rule', () => { const date = testDates[0].date; expect(getObservedDate(date, 'unknown_rule')).toEqual(date); }); }); }); });