MCP Time Server Node

import { validateUnit } from '../../src/tools/calculateDuration'; import { resolveTimezone } from '../../src/utils/timezoneUtils'; import { ValidationError } from '../../src/adapters/mcp-sdk/errors'; describe('calculateDuration validation helpers', () => { describe('validateUnit', () => { it('should return "auto" when undefined', () => { expect(validateUnit(undefined)).toBe('auto'); }); it('should return the unit when valid', () => { expect(validateUnit('auto')).toBe('auto'); expect(validateUnit('milliseconds')).toBe('milliseconds'); expect(validateUnit('seconds')).toBe('seconds'); expect(validateUnit('minutes')).toBe('minutes'); expect(validateUnit('hours')).toBe('hours'); expect(validateUnit('days')).toBe('days'); }); it('should throw for invalid unit', () => { expect(() => validateUnit('invalid')).toThrow(); expect(() => validateUnit('weeks')).toThrow(); expect(() => validateUnit('years')).toThrow(); // Verify the error structure try { validateUnit('invalid'); } catch (e: any) { expect(e).toBeInstanceOf(ValidationError); expect(e.code).toBe('VALIDATION_ERROR'); expect(e.message).toContain('Invalid unit: invalid'); } }); }); describe('resolveTimezone', () => { it('should return default timezone when undefined', () => { expect(resolveTimezone(undefined, 'America/New_York')).toBe('America/New_York'); }); it('should return UTC when empty string', () => { expect(resolveTimezone('', 'America/New_York')).toBe('UTC'); }); it('should return provided timezone when valid', () => { expect(resolveTimezone('Europe/London', 'America/New_York')).toBe('Europe/London'); expect(resolveTimezone('Asia/Tokyo', 'America/New_York')).toBe('Asia/Tokyo'); }); }); });