519 lines
12 KiB
Go
519 lines
12 KiB
Go
package logger
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import (
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"os"
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"path/filepath"
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"testing"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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// TestInitLoggers 测试日志初始化（T026）
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func TestInitLoggers(t *testing.T) {
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// 创建临时目录用于日志文件
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tempDir := t.TempDir()
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tests := []struct {
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name string
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level string
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development bool
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appLogConfig LogRotationConfig
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accessLogConfig LogRotationConfig
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wantErr bool
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validateFunc func(t *testing.T)
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}{
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{
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name: "production mode with info level",
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level: "info",
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development: false,
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appLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-prod.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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accessLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-prod.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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wantErr: false,
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validateFunc: func(t *testing.T) {
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if appLogger == nil {
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t.Error("appLogger should not be nil")
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}
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if accessLogger == nil {
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t.Error("accessLogger should not be nil")
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}
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// 写入一条日志以触发文件创建
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GetAppLogger().Info("test log creation")
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Sync()
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// 验证日志文件创建
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if _, err := os.Stat(filepath.Join(tempDir, "app-prod.log")); os.IsNotExist(err) {
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t.Error("app log file should be created after writing")
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}
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},
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},
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{
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name: "development mode with debug level",
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level: "debug",
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development: true,
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appLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-dev.log"),
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MaxSize: 5,
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MaxBackups: 2,
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MaxAge: 3,
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Compress: false,
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},
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accessLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-dev.log"),
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MaxSize: 5,
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MaxBackups: 2,
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MaxAge: 3,
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Compress: false,
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},
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wantErr: false,
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validateFunc: func(t *testing.T) {
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if appLogger == nil {
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t.Error("appLogger should not be nil in dev mode")
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}
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if accessLogger == nil {
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t.Error("accessLogger should not be nil in dev mode")
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}
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},
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},
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{
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name: "warn level logging",
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level: "warn",
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development: false,
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appLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-warn.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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accessLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-warn.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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wantErr: false,
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validateFunc: func(t *testing.T) {
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if appLogger == nil {
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t.Error("appLogger should not be nil")
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}
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},
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},
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{
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name: "error level logging",
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level: "error",
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development: false,
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appLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-error.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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accessLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-error.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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wantErr: false,
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validateFunc: func(t *testing.T) {
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if appLogger == nil {
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t.Error("appLogger should not be nil")
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}
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},
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},
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{
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name: "invalid level defaults to info",
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level: "invalid",
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development: false,
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appLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-invalid.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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accessLogConfig: LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-invalid.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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wantErr: false,
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validateFunc: func(t *testing.T) {
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if appLogger == nil {
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t.Error("appLogger should not be nil even with invalid level")
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}
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},
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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 := InitLoggers(tt.level, tt.development, tt.appLogConfig, tt.accessLogConfig)
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if (err != nil) != tt.wantErr {
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t.Errorf("InitLoggers() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if tt.validateFunc != nil {
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tt.validateFunc(t)
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}
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})
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}
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}
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// TestGetAppLogger 测试获取应用日志记录器（T026）
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func TestGetAppLogger(t *testing.T) {
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// 创建临时目录
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tempDir := t.TempDir()
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tests := []struct {
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name string
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setupFunc func()
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wantNil bool
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}{
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{
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name: "after initialization",
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setupFunc: func() {
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InitLoggers("info", false,
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-get.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-get.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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)
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},
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wantNil: false,
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},
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{
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name: "before initialization returns nop logger",
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setupFunc: func() {
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// 重置全局变量
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appLogger = nil
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},
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wantNil: false, // GetAppLogger 应该返回 nop logger，不是 nil
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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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tt.setupFunc()
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logger := GetAppLogger()
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if logger == nil {
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t.Error("GetAppLogger() should never return nil, should return nop logger instead")
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}
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})
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}
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}
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// TestGetAccessLogger 测试获取访问日志记录器（T028）
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func TestGetAccessLogger(t *testing.T) {
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// 创建临时目录
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tempDir := t.TempDir()
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tests := []struct {
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name string
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setupFunc func()
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wantNil bool
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}{
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{
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name: "after initialization",
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setupFunc: func() {
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InitLoggers("info", false,
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-access.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-access.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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)
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},
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wantNil: false,
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},
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{
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name: "before initialization returns nop logger",
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setupFunc: func() {
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// 重置全局变量
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accessLogger = nil
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},
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wantNil: false, // GetAccessLogger 应该返回 nop logger，不是 nil
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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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tt.setupFunc()
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logger := GetAccessLogger()
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if logger == nil {
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t.Error("GetAccessLogger() should never return nil, should return nop logger instead")
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}
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})
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}
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}
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// TestSync 测试日志缓冲区刷新（T028）
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func TestSync(t *testing.T) {
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// 创建临时目录
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tempDir := t.TempDir()
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tests := []struct {
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name string
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setupFunc func()
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wantErr bool
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}{
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{
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name: "sync after initialization",
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setupFunc: func() {
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InitLoggers("info", false,
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-sync.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-sync.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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)
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},
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wantErr: false,
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},
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{
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name: "sync before initialization",
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setupFunc: func() {
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appLogger = nil
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accessLogger = nil
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},
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wantErr: false, // 应该优雅地处理 nil 情况
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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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tt.setupFunc()
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err := Sync()
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if (err != nil) != tt.wantErr {
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t.Errorf("Sync() error = %v, wantErr %v", err, tt.wantErr)
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}
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})
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}
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}
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// TestParseLevel 测试日志级别解析（T026）
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func TestParseLevel(t *testing.T) {
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tests := []struct {
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name string
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level string
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want zapcore.Level
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}{
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{
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name: "debug level",
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level: "debug",
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want: zapcore.DebugLevel,
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},
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{
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name: "info level",
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level: "info",
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want: zapcore.InfoLevel,
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},
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{
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name: "warn level",
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level: "warn",
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want: zapcore.WarnLevel,
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},
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{
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name: "error level",
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level: "error",
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want: zapcore.ErrorLevel,
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},
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{
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name: "invalid level defaults to info",
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level: "invalid",
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want: zapcore.InfoLevel,
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},
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{
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name: "empty level defaults to info",
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level: "",
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want: zapcore.InfoLevel,
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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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got := parseLevel(tt.level)
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if got != tt.want {
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t.Errorf("parseLevel() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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// TestDualLoggerSystem 测试双日志系统（T028）
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func TestDualLoggerSystem(t *testing.T) {
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// 创建临时目录
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tempDir := t.TempDir()
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appLogFile := filepath.Join(tempDir, "app-dual.log")
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accessLogFile := filepath.Join(tempDir, "access-dual.log")
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// 初始化双日志系统
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err := InitLoggers("info", false,
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LogRotationConfig{
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Filename: appLogFile,
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: false, // 不压缩以便检查内容
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},
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LogRotationConfig{
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Filename: accessLogFile,
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: false,
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},
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)
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if err != nil {
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t.Fatalf("InitLoggers failed: %v", err)
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}
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// 写入应用日志
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appLog := GetAppLogger()
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appLog.Info("test app log message",
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zap.String("module", "test"),
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zap.Int("code", 200),
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)
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// 写入访问日志
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accessLog := GetAccessLogger()
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accessLog.Info("test access log message",
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zap.String("method", "GET"),
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zap.String("path", "/api/test"),
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zap.Int("status", 200),
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zap.Duration("latency", 100),
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)
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// 刷新缓冲区
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if err := Sync(); err != nil {
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t.Fatalf("Sync failed: %v", err)
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}
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// 验证应用日志文件存在并有内容
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appLogContent, err := os.ReadFile(appLogFile)
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if err != nil {
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t.Fatalf("Failed to read app log file: %v", err)
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}
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if len(appLogContent) == 0 {
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t.Error("App log file should not be empty")
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}
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// 验证访问日志文件存在并有内容
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accessLogContent, err := os.ReadFile(accessLogFile)
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if err != nil {
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t.Fatalf("Failed to read access log file: %v", err)
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}
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if len(accessLogContent) == 0 {
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t.Error("Access log file should not be empty")
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}
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// 验证两个日志文件是独立的
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if string(appLogContent) == string(accessLogContent) {
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t.Error("App log and access log should have different content")
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}
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}
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// TestLoggerReinitialization 测试日志重新初始化（T026）
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func TestLoggerReinitialization(t *testing.T) {
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// 创建临时目录
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tempDir := t.TempDir()
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// 第一次初始化
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err := InitLoggers("info", false,
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-reinit1.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-reinit1.log"),
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MaxSize: 10,
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MaxBackups: 3,
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MaxAge: 7,
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Compress: true,
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},
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)
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if err != nil {
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t.Fatalf("First InitLoggers failed: %v", err)
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}
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firstAppLogger := GetAppLogger()
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// 第二次初始化（重新初始化）
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err = InitLoggers("debug", true,
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "app-reinit2.log"),
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MaxSize: 5,
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MaxBackups: 2,
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MaxAge: 3,
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Compress: false,
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},
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LogRotationConfig{
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Filename: filepath.Join(tempDir, "access-reinit2.log"),
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MaxSize: 5,
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MaxBackups: 2,
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MaxAge: 3,
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Compress: false,
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},
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)
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if err != nil {
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t.Fatalf("Second InitLoggers failed: %v", err)
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}
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secondAppLogger := GetAppLogger()
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// 验证重新初始化后日志记录器已更新
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if firstAppLogger == secondAppLogger {
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t.Error("Logger should be replaced after reinitialization")
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}
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}
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