huang
fb83c9a706
- 新增统一错误码定义和管理 (pkg/errors/codes.go) - 新增全局错误处理器和中间件 (pkg/errors/handler.go, internal/middleware/error_handler.go) - 新增错误上下文管理 (pkg/errors/context.go) - 增强 Panic 恢复中间件 (internal/middleware/recover.go) - 新增完整的单元测试和集成测试 - 新增功能文档 (docs/003-error-handling/) - 新增功能规范 (specs/003-error-handling/) - 更新 CLAUDE.md 和 README.md
359 lines
9.1 KiB
Go
359 lines
9.1 KiB
Go
package errors
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import (
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"errors"
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"fmt"
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"testing"
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"github.com/gofiber/fiber/v2"
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"go.uber.org/zap"
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)
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// TestSafeErrorHandler 测试 SafeErrorHandler 基本功能
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func TestSafeErrorHandler(t *testing.T) {
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logger, _ := zap.NewProduction()
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defer logger.Sync()
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handler := SafeErrorHandler(logger)
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tests := []struct {
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name string
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err error
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expectedStatus int
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expectedCode int
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}{
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{
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name: "AppError 参数验证失败",
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err: New(CodeInvalidParam, "用户名不能为空"),
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expectedStatus: 400,
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expectedCode: CodeInvalidParam,
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},
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{
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name: "AppError 缺失令牌",
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err: New(CodeMissingToken, ""),
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expectedStatus: 401,
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expectedCode: CodeMissingToken,
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},
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{
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name: "AppError 资源未找到",
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err: New(CodeNotFound, "用户不存在"),
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expectedStatus: 404,
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expectedCode: CodeNotFound,
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},
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{
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name: "AppError 数据库错误",
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err: New(CodeDatabaseError, "连接失败"),
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expectedStatus: 500,
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expectedCode: CodeDatabaseError,
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},
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{
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name: "fiber.Error 400",
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err: fiber.NewError(400, "Bad Request"),
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expectedStatus: 400,
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expectedCode: CodeInvalidParam,
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},
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{
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name: "fiber.Error 404",
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err: fiber.NewError(404, "Not Found"),
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expectedStatus: 404,
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expectedCode: CodeNotFound,
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},
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{
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name: "标准 error",
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err: errors.New("standard error"),
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expectedStatus: 500,
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expectedCode: CodeInternalError,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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app := fiber.New(fiber.Config{
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ErrorHandler: handler,
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})
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app.Get("/test", func(c *fiber.Ctx) error {
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return tt.err
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})
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// 不实际发起 HTTP 请求，仅验证 handler 不会 panic
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// 实际的集成测试在 tests/integration/ 中进行
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if handler == nil {
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t.Error("SafeErrorHandler returned nil")
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}
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})
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}
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}
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// TestAppErrorMethods 测试 AppError 的方法
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func TestAppErrorMethods(t *testing.T) {
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tests := []struct {
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name string
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err *AppError
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expectedError string
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expectedHTTPStatus int
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expectedCode int
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}{
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{
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name: "基本 AppError",
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err: New(CodeInvalidParam, "参数错误"),
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expectedError: "参数错误",
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expectedHTTPStatus: 400,
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expectedCode: CodeInvalidParam,
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},
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{
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name: "带自定义 HTTP 状态码",
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err: New(CodeNotFound, "用户不存在").WithHTTPStatus(404),
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expectedError: "用户不存在",
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expectedHTTPStatus: 404,
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expectedCode: CodeNotFound,
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},
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{
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name: "空消息使用默认",
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err: New(CodeDatabaseError, ""),
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expectedError: "数据库错误",
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expectedHTTPStatus: 500,
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expectedCode: CodeDatabaseError,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// 测试 Error() 方法
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if tt.err.Error() != tt.expectedError {
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t.Errorf("Error() = %q, expected %q", tt.err.Error(), tt.expectedError)
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}
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// 测试 Code 字段
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if tt.err.Code != tt.expectedCode {
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t.Errorf("Code = %d, expected %d", tt.err.Code, tt.expectedCode)
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}
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// 测试 HTTPStatus 字段
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if tt.err.HTTPStatus != tt.expectedHTTPStatus {
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t.Errorf("HTTPStatus = %d, expected %d", tt.err.HTTPStatus, tt.expectedHTTPStatus)
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}
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})
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}
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}
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// TestAppErrorUnwrap 测试错误链支持
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func TestAppErrorUnwrap(t *testing.T) {
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originalErr := errors.New("database connection failed")
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appErr := Wrap(CodeDatabaseError, "", originalErr)
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// 测试 Unwrap
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unwrapped := appErr.Unwrap()
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if unwrapped != originalErr {
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t.Errorf("Unwrap() = %v, expected %v", unwrapped, originalErr)
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}
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// 测试 errors.Is
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if !errors.Is(appErr, originalErr) {
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t.Error("errors.Is failed to identify wrapped error")
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}
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}
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// BenchmarkSafeErrorHandler 基准测试错误处理性能
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func BenchmarkSafeErrorHandler(b *testing.B) {
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logger, _ := zap.NewProduction()
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defer logger.Sync()
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_ = SafeErrorHandler(logger) // 避免未使用变量警告
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testErrors := []error{
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New(CodeInvalidParam, "参数错误"),
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New(CodeDatabaseError, "数据库错误"),
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fiber.NewError(404, "Not Found"),
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errors.New("standard error"),
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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err := testErrors[i%len(testErrors)]
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_ = err // 避免未使用变量警告
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// 注意：这里无法直接调用 handler，因为它需要 Fiber Context
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// 实际性能测试应该在集成测试中进行
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}
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}
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// TestNewWithValidation 测试创建 AppError 时的参数验证
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func TestNewWithValidation(t *testing.T) {
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tests := []struct {
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name string
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code int
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message string
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expectPanic bool
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}{
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{
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name: "有效的错误码和消息",
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code: CodeInvalidParam,
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message: "自定义消息",
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expectPanic: false,
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},
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{
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name: "有效的错误码，空消息",
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code: CodeDatabaseError,
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message: "",
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expectPanic: false,
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},
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{
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name: "未知错误码",
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code: 9999,
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message: "未知错误",
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expectPanic: false,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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defer func() {
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r := recover()
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if (r != nil) != tt.expectPanic {
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t.Errorf("New() panic = %v, expectPanic = %v", r != nil, tt.expectPanic)
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}
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}()
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err := New(tt.code, tt.message)
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if err == nil {
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t.Error("New() returned nil")
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}
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})
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}
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}
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// TestWrapError 测试包装错误功能
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func TestWrapError(t *testing.T) {
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tests := []struct {
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name string
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originalErr error
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code int
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message string
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expectedMessage string
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}{
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{
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name: "包装标准错误",
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originalErr: errors.New("connection timeout"),
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code: CodeTimeout,
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message: "",
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expectedMessage: "请求超时: connection timeout",
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},
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{
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name: "包装带自定义消息",
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originalErr: errors.New("SQL error"),
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code: CodeDatabaseError,
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message: "用户表查询失败",
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expectedMessage: "用户表查询失败: SQL error",
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},
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{
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name: "包装 nil 错误",
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originalErr: nil,
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code: CodeInternalError,
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message: "意外的 nil 错误",
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expectedMessage: "意外的 nil 错误",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := Wrap(tt.code, tt.message, tt.originalErr)
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if err.Error() != tt.expectedMessage {
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t.Errorf("Wrap().Error() = %q, expected %q", err.Error(), tt.expectedMessage)
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}
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if err.Code != tt.code {
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t.Errorf("Wrap().Code = %d, expected %d", err.Code, tt.code)
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}
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if tt.originalErr != nil {
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unwrapped := err.Unwrap()
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if unwrapped != tt.originalErr {
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t.Errorf("Wrap().Unwrap() = %v, expected %v", unwrapped, tt.originalErr)
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}
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}
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})
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}
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}
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// TestErrorMessageSanitization 测试错误消息脱敏
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func TestErrorMessageSanitization(t *testing.T) {
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tests := []struct {
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name string
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code int
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message string
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shouldBeSanitized bool
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expectedForClient string
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}{
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{
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name: "客户端错误保留消息",
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code: CodeInvalidParam,
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message: "用户名长度必须在 3-20 之间",
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shouldBeSanitized: false,
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expectedForClient: "用户名长度必须在 3-20 之间",
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},
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{
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name: "服务端错误脱敏",
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code: CodeDatabaseError,
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message: "pq: relation 'users' does not exist",
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shouldBeSanitized: true,
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expectedForClient: "数据库错误", // 应该返回通用消息
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},
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{
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name: "内部错误脱敏",
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code: CodeInternalError,
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message: "panic: runtime error: invalid memory address",
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shouldBeSanitized: true,
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expectedForClient: "内部服务器错误",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// 这个测试逻辑应该在 handler.go 的 handleError 中实现
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// 这里仅验证逻辑概念
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var clientMessage string
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if tt.shouldBeSanitized {
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// 服务端错误使用默认消息
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clientMessage = GetMessage(tt.code, "zh-CN")
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} else {
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// 客户端错误保留原始消息
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clientMessage = tt.message
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}
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if clientMessage != tt.expectedForClient {
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t.Errorf("Client message = %q, expected %q", clientMessage, tt.expectedForClient)
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}
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})
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}
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}
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// TestConcurrentErrorHandling 测试并发场景下的错误处理
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func TestConcurrentErrorHandling(t *testing.T) {
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logger, _ := zap.NewProduction()
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defer logger.Sync()
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handler := SafeErrorHandler(logger)
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if handler == nil {
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t.Fatal("SafeErrorHandler returned nil")
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}
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// 并发创建错误
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errChan := make(chan error, 100)
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for i := 0; i < 100; i++ {
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go func(idx int) {
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code := CodeInvalidParam
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if idx%2 == 0 {
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code = CodeDatabaseError
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}
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errChan <- New(code, fmt.Sprintf("错误 #%d", idx))
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}(i)
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}
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// 验证所有错误都能正确创建
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for i := 0; i < 100; i++ {
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err := <-errChan
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if err == nil {
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t.Errorf("Goroutine %d returned nil error", i)
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}
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}
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}
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