MCP Time Server Node

import { WeeklyRecurrence } from '../../../src/tools/recurrence/WeeklyRecurrence'; import type { WeeklyParams } from '../../../src/types/recurrence'; describe('WeeklyRecurrence', () => { let weekly: WeeklyRecurrence; beforeEach(() => { weekly = new WeeklyRecurrence(); jest.useFakeTimers(); }); afterEach(() => { jest.useRealTimers(); }); describe('calculate', () => { it('should return next week same day when no day specified', () => { // Wednesday Jan 15, 2025 const from = new Date('2025-01-15T10:30:00Z'); const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', }; const result = weekly.calculate(from, params); // Next Wednesday expect(result.toISOString()).toBe('2025-01-22T10:30:00.000Z'); }); it('should return next occurrence of specified weekday', () => { // Wednesday Jan 15, 2025 const from = new Date('2025-01-15T10:30:00Z'); const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 5, // Friday }; const result = weekly.calculate(from, params); // This Friday expect(result.toISOString()).toBe('2025-01-17T10:30:00.000Z'); }); it('should handle Sunday (0) correctly', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 0, // Sunday }; const result = weekly.calculate(from, params); // This Sunday expect(result.toISOString()).toBe('2025-01-19T10:30:00.000Z'); }); it('should handle Saturday (6) correctly', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 6, // Saturday }; const result = weekly.calculate(from, params); // This Saturday expect(result.toISOString()).toBe('2025-01-18T10:30:00.000Z'); }); it('should return today if same weekday and time has not passed', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 3, // Wednesday time: '14:30', }; const result = weekly.calculate(from, params); // Today at 14:30 expect(result.toISOString()).toBe('2025-01-15T14:30:00.000Z'); }); it('should return next week if same weekday but time has passed', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 3, // Wednesday time: '09:00', // Already passed }; const result = weekly.calculate(from, params); // Next Wednesday at 9:00 expect(result.toISOString()).toBe('2025-01-22T09:00:00.000Z'); }); it('should handle timezone correctly', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday 5:30 AM NY const params: WeeklyParams = { pattern: 'weekly', timezone: 'America/New_York', dayOfWeek: 5, // Friday time: '09:00', // 9 AM NY time }; const result = weekly.calculate(from, params); // Friday 9 AM NY = 14:00 UTC (EST) expect(result.toISOString()).toBe('2025-01-17T14:00:00.000Z'); }); it('should handle timezone when calculating day of week', () => { // UTC: Wednesday Jan 15 at 2 AM // NY: Tuesday Jan 14 at 9 PM const from = new Date('2025-01-15T02:00:00Z'); const params: WeeklyParams = { pattern: 'weekly', timezone: 'America/New_York', dayOfWeek: 2, // Tuesday time: '22:00', // 10 PM NY }; const result = weekly.calculate(from, params); // We're at Tuesday 9 PM NY, want Tuesday 10 PM NY // That's just 1 hour later - today! // Tuesday 10 PM NY = Wednesday 3 AM UTC expect(result.toISOString()).toBe('2025-01-15T03:00:00.000Z'); }); it('should handle wrapping around to next week', () => { const from = new Date('2025-01-18T10:30:00Z'); // Saturday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 1, // Monday }; const result = weekly.calculate(from, params); // Next Monday expect(result.toISOString()).toBe('2025-01-20T10:30:00.000Z'); }); it('should preserve seconds and milliseconds as 0 with time', () => { const from = new Date('2025-01-15T10:30:45.123Z'); const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 5, time: '14:30', }; const result = weekly.calculate(from, params); expect(result.getSeconds()).toBe(0); expect(result.getMilliseconds()).toBe(0); }); it('should handle same day without specific time', () => { const from = new Date('2025-01-15T10:30:00Z'); // Wednesday const params: WeeklyParams = { pattern: 'weekly', timezone: 'UTC', dayOfWeek: 3, // Wednesday, no time specified }; const result = weekly.calculate(from, params); // Should be next Wednesday (force next week when no time) expect(result.toISOString()).toBe('2025-01-22T10:30:00.000Z'); }); }); });