diff --git a/tests/ut/ge/graph/build/task_generator_unittest.cc b/tests/ut/ge/graph/build/task_generator_unittest.cc
index 1e865050..7be20fa1 100644
--- a/tests/ut/ge/graph/build/task_generator_unittest.cc
+++ b/tests/ut/ge/graph/build/task_generator_unittest.cc
@@ -29,6 +29,8 @@
 
 #define protected public
 #define private public
+#include "init/gelib.h"
+#include "ge/opskernel_manager/ops_kernel_builder_manager.h"
 #include "graph/build/task_generator.h"
 #include "graph/manager/graph_mem_manager.h"
 #include "graph/manager/graph_var_manager.h"
@@ -41,9 +43,46 @@ using namespace ge;
 namespace {
 const char *const kIsInputVar = "INPUT_IS_VAR";
 const char *const kIsOutputVar = "OUTPUT_IS_VAR";
-}
+const char *const kKernelInfoNameHccl = "ops_kernel_info_hccl";
+}  // namespace
 class UtestTaskGeneratorTest : public testing::Test {
  public:
+  struct FakeOpsKernelBuilder : OpsKernelBuilder {
+    FakeOpsKernelBuilder(){};
+
+   private:
+    Status Initialize(const map<std::string, std::string> &options) override {
+      return SUCCESS;
+    };
+    Status Finalize() override {
+      return SUCCESS;
+    };
+    Status CalcOpRunningParam(Node &node) override {
+      return SUCCESS;
+    };
+    Status GenerateTask(const Node &node, RunContext &context, std::vector<domi::TaskDef> &tasks) override {
+      domi::TaskDef task_def;
+      tasks.push_back(task_def);
+      return SUCCESS;
+    };
+  };
+
+  struct FakeOpsKernelInfoStore : OpsKernelInfoStore {
+    FakeOpsKernelInfoStore() = default;
+
+   private:
+    Status Initialize(const std::map<std::string, std::string> &options) override {
+      return SUCCESS;
+    };
+    Status Finalize() override {
+      return SUCCESS;
+    };
+    bool CheckSupported(const OpDescPtr &op_desc, std::string &reason) const override {
+      return true;
+    };
+    void GetAllOpsKernelInfo(std::map<std::string, ge::OpInfo> &infos) const override{};
+  };
+
   ge::ComputeGraphPtr BuildGraphFpProfiling() {
     ge::ut::GraphBuilder builder("graph");
     auto data = builder.AddNode("data", "phony", 1, 1);
@@ -95,6 +134,14 @@ class UtestTaskGeneratorTest : public testing::Test {
 
     return builder.GetGraph();
   }
+  ge::ComputeGraphPtr BuildHcclGraph() {
+    ge::ut::GraphBuilder builder("graph");
+    auto hccl_node = builder.AddNode("hccl_phony_node", "HCCL_PHONY", 0, 0);
+    auto op_desc = hccl_node->GetOpDesc();
+    op_desc->SetOpKernelLibName(kKernelInfoNameHccl);
+    op_desc->SetStreamId(0);
+    return builder.GetGraph();
+  }
 
  protected:
   void SetUp() {}
@@ -156,3 +203,31 @@ TEST_F(UtestTaskGeneratorTest, AutoFindBpOpIndex) {
   output_desc->SetName("hcom");
   EXPECT_EQ(task_generator.AutoFindBpOpIndex(graph, profiling_point, all_reduce_nodes), SUCCESS);
 }
+
+TEST_F(UtestTaskGeneratorTest, GenerateTask) {
+  map<string, string> options;
+  Status ret = ge::GELib::Initialize(options);
+  EXPECT_EQ(ret, SUCCESS);
+
+  shared_ptr<GELib> instance_ptr = ge::GELib::GetInstance();
+  EXPECT_NE(instance_ptr, nullptr);
+
+  OpsKernelInfoStorePtr ops_kernel_info_store_ptr = MakeShared<FakeOpsKernelInfoStore>();
+  instance_ptr->opsManager_.ops_kernel_store_.insert(make_pair(kKernelInfoNameHccl, ops_kernel_info_store_ptr));
+
+  OpsKernelBuilderManager &builder_manager_instance_ptr = ge::OpsKernelBuilderManager::Instance();
+  OpsKernelBuilderPtr fake_builder = MakeShared<FakeOpsKernelBuilder>();
+  builder_manager_instance_ptr.ops_kernel_builders_[kKernelInfoNameHccl] = fake_builder;
+
+  auto graph = BuildHcclGraph();
+  TaskGenerator task_generator(nullptr, 0);
+  RunContext run_context;
+  run_context.graphStreamList.push_back(static_cast<void *>(ops_kernel_info_store_ptr.get()));
+  vector<uint32_t> all_reduce_nodes;
+  vector<domi::TaskDef> task_def_list;
+  map<uint32_t, string> op_name_map;
+
+  EXPECT_EQ(task_generator.GenerateTask(run_context, graph, task_def_list, op_name_map), SUCCESS);
+  EXPECT_EQ(task_def_list.size(), 1);
+  EXPECT_EQ(task_def_list[0].ops_kernel_store_ptr(), reinterpret_cast<uintptr_t>(ops_kernel_info_store_ptr.get()));
+}
\ No newline at end of file