MCP Time Server Node

import { DailyRecurrence } from '../../../src/tools/recurrence/DailyRecurrence'; import type { DailyParams } from '../../../src/types/recurrence'; describe('DailyRecurrence', () => { let daily: DailyRecurrence; beforeEach(() => { daily = new DailyRecurrence(); jest.useFakeTimers(); }); afterEach(() => { jest.useRealTimers(); }); describe('calculate', () => { it('should return next day at same time when no specific time given', () => { const from = new Date('2025-01-15T10:30:00Z'); const params: DailyParams = { pattern: 'daily', timezone: 'UTC' }; const result = daily.calculate(from, params); expect(result.toISOString()).toBe('2025-01-16T10:30:00.000Z'); }); it('should return today at specified time if time has not passed', () => { const from = new Date('2025-01-15T10:30:00Z'); const params: DailyParams = { pattern: 'daily', timezone: 'UTC', time: '14:30', }; const result = daily.calculate(from, params); expect(result.toISOString()).toBe('2025-01-15T14:30:00.000Z'); }); it('should return tomorrow at specified time if time has passed', () => { const from = new Date('2025-01-15T10:30:00Z'); const params: DailyParams = { pattern: 'daily', timezone: 'UTC', time: '09:00', }; const result = daily.calculate(from, params); expect(result.toISOString()).toBe('2025-01-16T09:00:00.000Z'); }); it('should handle timezone correctly when calculating next occurrence', () => { const from = new Date('2025-01-15T10:30:00Z'); // 5:30 AM NY time const params: DailyParams = { pattern: 'daily', timezone: 'America/New_York', time: '14:30', // 2:30 PM NY time }; const result = daily.calculate(from, params); // 14:30 NY time is 19:30 UTC (EST) expect(result.toISOString()).toBe('2025-01-15T19:30:00.000Z'); }); it('should handle timezone when time has passed', () => { const from = new Date('2025-01-15T15:00:00Z'); // 10:00 AM NY time const params: DailyParams = { pattern: 'daily', timezone: 'America/New_York', time: '09:00', // 9:00 AM NY time (already passed) }; const result = daily.calculate(from, params); // Tomorrow 9:00 AM NY time is 14:00 UTC expect(result.toISOString()).toBe('2025-01-16T14:00:00.000Z'); }); it('should work with empty string as UTC timezone', () => { const from = new Date('2025-01-15T10:30:00Z'); const params: DailyParams = { pattern: 'daily', timezone: '', time: '14:00', }; const result = daily.calculate(from, params); expect(result.toISOString()).toBe('2025-01-15T14:00:00.000Z'); }); it('should handle exact same time as current (edge case)', () => { const from = new Date('2025-01-15T10:30:00Z'); const params: DailyParams = { pattern: 'daily', timezone: 'UTC', time: '10:30', }; const result = daily.calculate(from, params); // Should be tomorrow since we're at exact same time expect(result.toISOString()).toBe('2025-01-16T10:30:00.000Z'); }); it('should preserve seconds and milliseconds as 0', () => { const from = new Date('2025-01-15T10:30:45.123Z'); const params: DailyParams = { pattern: 'daily', timezone: 'UTC', time: '14:30', }; const result = daily.calculate(from, params); expect(result.toISOString()).toBe('2025-01-15T14:30:00.000Z'); expect(result.getSeconds()).toBe(0); expect(result.getMilliseconds()).toBe(0); }); }); });