diff --git a/services/backup/docker-server/contents/server/test/DatabaseManagerTest.cpp b/services/backup/docker-server/contents/server/test/DatabaseManagerTest.cpp
--- a/services/backup/docker-server/contents/server/test/DatabaseManagerTest.cpp
+++ b/services/backup/docker-server/contents/server/test/DatabaseManagerTest.cpp
@@ -26,18 +26,22 @@
   return prefix + "-" + std::to_string(comm::network::getCurrentTimestamp());
 }
 
-TEST_F(DatabaseManagerTest, TestOperationsOnBackupItems) {
-  auto generateBackupItem = [](const std::string &userID,
-                               const std::string &backupID) {
-    return BackupItem(
-        userID,
-        backupID,
-        comm::network::getCurrentTimestamp(),
-        "xxx",
-        "xxx",
-        {""});
-  };
+BackupItem
+generateBackupItem(const std::string &userID, const std::string &backupID) {
+  return BackupItem(
+      userID,
+      backupID,
+      comm::network::getCurrentTimestamp(),
+      "xxx",
+      "xxx",
+      {""});
+}
+
+LogItem generateLogItem(const std::string &backupID, const std::string &logID) {
+  return LogItem(backupID, logID, false, "xxx", {""});
+}
 
+TEST_F(DatabaseManagerTest, TestOperationsOnBackupItems) {
   const std::string userID = generateName("user001");
 
   std::vector<std::string> backupIDs = {"backup001", "backup002", "backup003"};
@@ -56,3 +60,44 @@
   };
   EXPECT_EQ(DatabaseManager::getInstance().findLastBackupItem(userID), nullptr);
 }
+
+TEST_F(DatabaseManagerTest, TestOperationsOnLogItems) {
+  const std::string backupID1 = generateName("backup001");
+  const std::string backupID2 = generateName("backup002");
+
+  std::vector<std::string> logIDs1 = {"log001", "log002", "log003"};
+  for (const std::string &logID : logIDs1) {
+    DatabaseManager::getInstance().putLogItem(
+        generateLogItem(backupID1, logID));
+  }
+  std::vector<std::string> logIDs2 = {"log021", "log022"};
+  for (const std::string &logID : logIDs2) {
+    DatabaseManager::getInstance().putLogItem(
+        generateLogItem(backupID2, logID));
+  }
+
+  std::vector<std::shared_ptr<LogItem>> items1 =
+      DatabaseManager::getInstance().findLogItemsForBackup(backupID1);
+
+  std::vector<std::shared_ptr<LogItem>> items2 =
+      DatabaseManager::getInstance().findLogItemsForBackup(backupID2);
+
+  EXPECT_EQ(items1.size(), 3);
+  EXPECT_EQ(items2.size(), 2);
+
+  for (size_t i = 0; i < items1.size(); ++i) {
+    EXPECT_EQ(logIDs1.at(i), items1.at(i)->getLogID());
+    DatabaseManager::getInstance().removeLogItem(items1.at(i));
+  }
+  EXPECT_EQ(
+      DatabaseManager::getInstance().findLogItemsForBackup(backupID1).size(),
+      0);
+
+  for (size_t i = 0; i < items2.size(); ++i) {
+    EXPECT_EQ(logIDs2.at(i), items2.at(i)->getLogID());
+    DatabaseManager::getInstance().removeLogItem(items2.at(i));
+  }
+  EXPECT_EQ(
+      DatabaseManager::getInstance().findLogItemsForBackup(backupID2).size(),
+      0);
+}