增加站内信未读提醒和后台通知中心+txt 校验

backend/internal/modules/notification/repository_test.go

@@ -0,0 +1,65 @@
+package notification
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"hfb_sys/backend/internal/database"
+	"hfb_sys/backend/internal/model"
+)
+
+func TestRepositoryUnreadCountAndMarkRead(t *testing.T) {
+	db := database.NewTestDB()
+	if err := db.AutoMigrate(&model.Notification{}); err != nil {
+		t.Fatalf("AutoMigrate() error = %v", err)
+	}
+	repo := NewRepository(db)
+	ctx := context.Background()
+
+	if err := db.Create(&model.Notification{
+		UserID:  10,
+		Type:    "order",
+		Title:   "订单通知",
+		Content: "请处理订单",
+	}).Error; err != nil {
+		t.Fatalf("Create() error = %v", err)
+	}
+
+	count, err := repo.UnreadCount(ctx, 10)
+	if err != nil {
+		t.Fatalf("UnreadCount() error = %v", err)
+	}
+	if count != 1 {
+		t.Fatalf("UnreadCount() = %d, want 1", count)
+	}
+
+	if err := repo.MarkRead(ctx, 10, 1); err != nil {
+		t.Fatalf("MarkRead() error = %v", err)
+	}
+	// 重复标记应保持幂等，不应误报不存在。
+	if err := repo.MarkRead(ctx, 10, 1); err != nil {
+		t.Fatalf("MarkRead() repeat error = %v", err)
+	}
+
+	count, err = repo.UnreadCount(ctx, 10)
+	if err != nil {
+		t.Fatalf("UnreadCount() after read error = %v", err)
+	}
+	if count != 0 {
+		t.Fatalf("UnreadCount() after read = %d, want 0", count)
+	}
+}
+
+func TestRepositoryMarkReadNotFound(t *testing.T) {
+	db := database.NewTestDB()
+	if err := db.AutoMigrate(&model.Notification{}); err != nil {
+		t.Fatalf("AutoMigrate() error = %v", err)
+	}
+	repo := NewRepository(db)
+
+	err := repo.MarkRead(context.Background(), 10, 99)
+	if !errors.Is(err, ErrNotificationNotFound) {
+		t.Fatalf("MarkRead() error = %v, want ErrNotificationNotFound", err)
+	}
+}