chore: 初始化仓库，排除二进制文件和覆盖率文件

pkg/email/manager_test.go

@@ -0,0 +1,61 @@
+package email
+
+import (
+	"carrotskin/pkg/config"
+	"testing"
+
+	"go.uber.org/zap/zaptest"
+)
+
+// TestGetService_NotInitialized 测试未初始化时获取邮件服务
+func TestGetService_NotInitialized(t *testing.T) {
+	_, err := GetService()
+	if err == nil {
+		t.Error("未初始化时应该返回错误")
+	}
+	
+	expectedError := "邮件服务未初始化，请先调用 email.Init()"
+	if err.Error() != expectedError {
+		t.Errorf("错误消息 = %q, want %q", err.Error(), expectedError)
+	}
+}
+
+// TestMustGetService_Panic 测试MustGetService在未初始化时panic
+func TestMustGetService_Panic(t *testing.T) {
+	defer func() {
+		if r := recover(); r == nil {
+			t.Error("MustGetService 应该在未初始化时panic")
+		}
+	}()
+	
+	_ = MustGetService()
+}
+
+// TestInit_Email 测试邮件服务初始化
+func TestInit_Email(t *testing.T) {
+	cfg := config.EmailConfig{
+		Enabled:  false,
+		SMTPHost:  "smtp.example.com",
+		SMTPPort:  587,
+		Username:  "user@example.com",
+		Password:  "password",
+		FromName:  "noreply@example.com",
+	}
+	
+	logger := zaptest.NewLogger(t)
+	
+	err := Init(cfg, logger)
+	if err != nil {
+		t.Errorf("Init() 错误 = %v, want nil", err)
+	}
+	
+	// 验证可以获取服务
+	service, err := GetService()
+	if err != nil {
+		t.Errorf("GetService() 错误 = %v, want nil", err)
+	}
+	if service == nil {
+		t.Error("GetService() 返回的服务不应为nil")
+	}
+}
+