diff --git a/tests/mock_tests/Makefile.am b/tests/mock_tests/Makefile.am
index bf6b6a83c32..e4a7c9355b8 100644
--- a/tests/mock_tests/Makefile.am
+++ b/tests/mock_tests/Makefile.am
@@ -54,6 +54,8 @@ tests_SOURCES = aclorch_ut.cpp \
                 mux_rollback_ut.cpp \
                 warmrestartassist_ut.cpp \
                 test_failure_handling.cpp \
+                warmrestarthelper_ut.cpp \
+                $(top_srcdir)/warmrestart/warmRestartHelper.cpp \
                 $(top_srcdir)/lib/gearboxutils.cpp \
                 $(top_srcdir)/lib/subintf.cpp \
                 $(top_srcdir)/orchagent/orchdaemon.cpp \
diff --git a/tests/mock_tests/warmrestarthelper_ut.cpp b/tests/mock_tests/warmrestarthelper_ut.cpp
new file mode 100644
index 00000000000..81e177065c8
--- /dev/null
+++ b/tests/mock_tests/warmrestarthelper_ut.cpp
@@ -0,0 +1,86 @@
+#include "warmRestartHelper.h"
+#include "warm_restart.h"
+#include "mock_table.h"
+#include "ut_helper.h"
+
+using namespace testing_db;
+
+namespace wrhelper_test
+{
+    struct WRHelperTest : public ::testing::Test
+    {
+        std::shared_ptr<swss::DBConnector> m_app_db;
+        std::shared_ptr<swss::RedisPipeline> m_pipeline;
+        std::shared_ptr<swss::Table> m_routeTable;
+        std::shared_ptr<swss::ProducerStateTable> m_routeProducerTable;
+        std::shared_ptr<swss::WarmStartHelper> wrHelper;
+
+        void SetUp() override
+        {
+            m_app_db = std::make_shared<swss::DBConnector>("APPL_DB", 0);
+            m_pipeline = std::make_shared<swss::RedisPipeline>(m_app_db.get());
+            m_routeTable = std::make_shared<swss::Table>(m_app_db.get(), "ROUTE_TABLE");
+            m_routeProducerTable = std::make_shared<swss::ProducerStateTable>(m_app_db.get(), "ROUTE_TABLE");
+            wrHelper = std::make_shared<swss::WarmStartHelper>(m_pipeline.get(), m_routeProducerTable.get(), "ROUTE_TABLE", "bgp", "bgp");
+            testing_db::reset();
+        }
+
+        void TearDown() override {
+        }
+    };
+
+    TEST_F(WRHelperTest, testReconciliation)
+    {
+        /* Initialize WR */
+        wrHelper->setState(WarmStart::INITIALIZED);
+        ASSERT_EQ(wrHelper->getState(), WarmStart::INITIALIZED);
+
+        /* Old-life entries */
+        m_routeTable->set("1.0.0.0/24",
+                        {
+                            {"ifname", "eth1"},
+                            {"nexthop", "2.0.0.0"}
+                        });
+        m_routeTable->set("1.1.0.0/24",
+                        {
+                            {"ifname", "eth2"},
+                            {"nexthop", "2.1.0.0"},
+                            {"weight", "1"},
+                        });
+        wrHelper->runRestoration();
+        ASSERT_EQ(wrHelper->getState(), WarmStart::RESTORED);
+
+        /* Insert new life entries */
+        wrHelper->insertRefreshMap({
+                                    "1.0.0.0/24",
+                                    "SET",
+                                    {
+                                        {"ifname", "eth1"},
+                                        {"nexthop", "2.0.0.0"},
+                                        {"protocol", "kernel"}
+                                    }
+                                });
+        wrHelper->insertRefreshMap({
+                                    "1.1.0.0/24",
+                                    "SET",
+                                    {
+                                        {"ifname", "eth2"},
+                                        {"nexthop", "2.1.0.0,2.5.0.0"},
+                                        {"weight", "4"},
+                                        {"protocol", "kernel"}
+                                    }
+                                });
+        wrHelper->reconcile();
+        ASSERT_EQ(wrHelper->getState(), WarmStart::RECONCILED);
+
+        std::string val;
+        ASSERT_TRUE(m_routeTable->hget("1.0.0.0/24", "protocol", val));
+        ASSERT_EQ(val, "kernel");
+
+        m_routeTable->hget("1.1.0.0/24", "protocol", val);
+        ASSERT_EQ(val, "kernel");
+
+        m_routeTable->hget("1.1.0.0/24", "weight", val);
+        ASSERT_EQ(val, "4");
+    }
+}