MCP Time Server Node

import { validateTimezones } from '../../src/tools/convertTimezone'; import { TimezoneError } from '../../src/adapters/mcp-sdk/errors'; describe('convertTimezone validation helpers', () => { describe('validateTimezones', () => { it('should accept valid timezone pairs', () => { expect(() => validateTimezones('America/New_York', 'Europe/London')).not.toThrow(); expect(() => validateTimezones('UTC', 'Asia/Tokyo')).not.toThrow(); expect(() => validateTimezones('America/Los_Angeles', 'UTC')).not.toThrow(); }); it('should throw for invalid from_timezone', () => { expect(() => validateTimezones('Invalid/Zone', 'UTC')).toThrow(); try { validateTimezones('Invalid/Zone', 'UTC'); expect(true).toBe(false); // Should have thrown } catch (error: any) { expect(error).toBeInstanceOf(TimezoneError); expect(error.code).toBe('TIMEZONE_ERROR'); expect(error.message).toContain('Invalid from_timezone: Invalid/Zone'); expect(error.invalidTimezone).toBe('Invalid/Zone'); } }); it('should throw for invalid to_timezone', () => { expect(() => validateTimezones('UTC', 'Bad/Zone')).toThrow(); try { validateTimezones('UTC', 'Bad/Zone'); expect(true).toBe(false); // Should have thrown } catch (error: any) { expect(error).toBeInstanceOf(TimezoneError); expect(error.code).toBe('TIMEZONE_ERROR'); expect(error.message).toContain('Invalid to_timezone: Bad/Zone'); expect(error.invalidTimezone).toBe('Bad/Zone'); } }); it('should throw for both invalid timezones', () => { expect(() => validateTimezones('Bad/Zone1', 'Bad/Zone2')).toThrow(); }); it('should accept UTC as special case', () => { expect(() => validateTimezones('UTC', 'UTC')).not.toThrow(); }); it('should accept same timezone conversion', () => { expect(() => validateTimezones('America/New_York', 'America/New_York')).not.toThrow(); }); describe('Debug logging', () => { it('should log validation attempts', () => { // This test verifies the function runs with debug expect(() => validateTimezones('UTC', 'Europe/Paris')).not.toThrow(); }); }); }); });