MCP Time Server Node

import { createTestEnvironment } from '../helpers/setup'; import { callTool } from '../helpers/tools'; describe('subtract_time integration', () => { it('should execute subtract_time with basic parameters', async () => { const { client, cleanup } = await createTestEnvironment(); try { const baseTime = '2024-01-15T15:00:00.000Z'; const result = await callTool(client, 'subtract_time', { time: baseTime, amount: 3, unit: 'hours', }); expect(result.original).toBe(baseTime); expect(result.result).toBe('2024-01-15T12:00:00.000Z'); expect(result.unix_original).toBe(new Date(baseTime).getTime() / 1000); expect(result.unix_result).toBe(new Date('2024-01-15T12:00:00.000Z').getTime() / 1000); } finally { await cleanup(); } }); it('should execute subtract_time with timezone', async () => { const { client, cleanup } = await createTestEnvironment(); try { const result = await callTool(client, 'subtract_time', { time: '2024-01-15T10:00:00-05:00', amount: 2, unit: 'days', timezone: 'America/New_York', }); expect(result.original).toBe('2024-01-15T10:00:00.000-05:00'); expect(result.result).toBe('2024-01-13T10:00:00.000-05:00'); } finally { await cleanup(); } }); it('should handle subtract_time validation errors', async () => { const { client, cleanup } = await createTestEnvironment(); try { await expect( callTool(client, 'subtract_time', { time: '2024-01-15T10:00:00Z', amount: 1, unit: 'invalid-unit', }) ).rejects.toMatchObject({ code: 'TOOL_ERROR', message: expect.stringContaining('Invalid unit'), }); } finally { await cleanup(); } }); });