Task Agents

import { AppError, ValidationError } from 'src/utils/ErrorHandler' import { describe, expect, it } from 'vitest' describe('AppError', () => { it('should create error with message, code, and statusCode', () => { const error = new AppError('Test error message', 'TEST_ERROR', 400) expect(error.message).toBe('Test error message') expect(error.code).toBe('TEST_ERROR') expect(error.statusCode).toBe(400) expect(error.name).toBe('AppError') expect(error).toBeInstanceOf(Error) }) it('should use default statusCode 500 when not provided', () => { const error = new AppError('Server error', 'SERVER_ERROR') expect(error.statusCode).toBe(500) }) }) describe('ValidationError', () => { it('should create validation error with 400 status code', () => { const error = new ValidationError('Invalid input data', 'VALIDATION_FAILED') expect(error.message).toBe('Invalid input data') expect(error.code).toBe('VALIDATION_FAILED') expect(error.statusCode).toBe(400) expect(error.name).toBe('ValidationError') expect(error).toBeInstanceOf(AppError) }) it('should support field-specific validation errors', () => { const error = new ValidationError('Email format is invalid', 'INVALID_EMAIL_FORMAT') expect(error.message).toBe('Email format is invalid') expect(error.code).toBe('INVALID_EMAIL_FORMAT') expect(error.statusCode).toBe(400) }) it('should include context information', () => { const error = new ValidationError('Email format is invalid', 'INVALID_EMAIL_FORMAT', { metadata: { field: 'email', value: 'invalid-email' }, }) expect(error.context.metadata).toEqual({ field: 'email', value: 'invalid-email' }) expect(error.context.component).toBe('Validation') }) }) describe('Error Context', () => { it('should include timestamp by default', () => { const error = new AppError('Test error', 'TEST') expect(error.context.timestamp).toBeInstanceOf(Date) }) it('should merge custom context with defaults', () => { const customContext = { requestId: 'req_123', operation: 'test_operation', component: 'TestComponent', } const error = new AppError('Test error', 'TEST', 500, customContext) expect(error.context.requestId).toBe('req_123') expect(error.context.operation).toBe('test_operation') expect(error.context.component).toBe('TestComponent') expect(error.context.timestamp).toBeInstanceOf(Date) }) it('should preserve metadata in context', () => { const error = new AppError('Test error', 'TEST', 500, { metadata: { key1: 'value1', key2: 42 }, }) expect(error.context.metadata).toEqual({ key1: 'value1', key2: 42 }) }) }) describe('Error JSON Serialization', () => { it('should convert AppError to JSON', () => { const error = new AppError('Test error', 'TEST_ERROR', 400, { requestId: 'req_123', metadata: { foo: 'bar' }, }) const json = error.toJSON() expect(json).toMatchObject({ name: 'AppError', message: 'Test error', code: 'TEST_ERROR', statusCode: 400, context: expect.objectContaining({ requestId: 'req_123', metadata: { foo: 'bar' }, }), }) }) it('should generate user-friendly message', () => { const error = new AppError('Internal server error', 'INTERNAL_ERROR', 500) const userMessage = error.toUserMessage() expect(userMessage).toBe('Internal server error (Error Code: INTERNAL_ERROR)') }) })