fix(knowledge): paginate document list without content

internal/repositories/knowledge_document_repository_test.go

@@ -0,0 +1,55 @@
+package repositories
+
+import (
+	"fmt"
+	"strings"
+	"testing"
+
+	"cs-agent/internal/models"
+	"cs-agent/internal/pkg/enums"
+
+	"github.com/glebarez/sqlite"
+	"github.com/mlogclub/simple/sqls"
+	"gorm.io/gorm"
+)
+
+func TestKnowledgeDocumentRepositoryFindPageListByCndOmitsContentAndPaginates(t *testing.T) {
+	db, err := gorm.Open(sqlite.Open("file:knowledge_document_repository_test?mode=memory&cache=shared"), &gorm.Config{})
+	if err != nil {
+		t.Fatalf("open sqlite error = %v", err)
+	}
+	if err := db.AutoMigrate(&models.KnowledgeDocument{}); err != nil {
+		t.Fatalf("auto migrate error = %v", err)
+	}
+	if err := db.Exec("DELETE FROM knowledge_documents").Error; err != nil {
+		t.Fatalf("clean knowledge documents error = %v", err)
+	}
+	sqls.SetDB(db)
+
+	for i := 1; i <= 3; i++ {
+		item := &models.KnowledgeDocument{
+			KnowledgeBaseID: 1,
+			Title:           fmt.Sprintf("doc-%d", i),
+			ContentType:     enums.KnowledgeDocumentContentTypeMarkdown,
+			Content:         strings.Repeat("large document content ", 200),
+			Status:          enums.StatusOk,
+			IndexStatus:     enums.KnowledgeDocumentIndexStatusPending,
+		}
+		if err := db.Create(item).Error; err != nil {
+			t.Fatalf("create document %d error = %v", i, err)
+		}
+	}
+
+	list, paging := KnowledgeDocumentRepository.FindPageListByCnd(db, sqls.NewCnd().Eq("knowledge_base_id", 1).Asc("id").Page(1, 2))
+	if len(list) != 2 {
+		t.Fatalf("len(list) = %d, want 2", len(list))
+	}
+	if paging.Total != 3 {
+		t.Fatalf("paging.Total = %d, want 3", paging.Total)
+	}
+	for _, item := range list {
+		if item.Content != "" {
+			t.Fatalf("list item content should be empty, got %q", item.Content)
+		}
+	}
+}