diff --git a/manager/job/manager_tasks.go b/manager/job/manager_tasks.go
index 44e45f5bc02..3e5bb4868dd 100644
--- a/manager/job/manager_tasks.go
+++ b/manager/job/manager_tasks.go
@@ -1,5 +1,5 @@
 /*
- *     Copyright 2020 The Dragonfly Authors
+ *     Copyright 2024 The Dragonfly Authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -13,7 +13,9 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-//go:generate mockgen -destination mocks/delete_task_mock.go -source delete_task.go -package mocks
+
+//go:generate mockgen -destination mocks/manager_tasks_mock.go -source manager_tasks.go -package mocks
+
 package job
 
 import (
@@ -21,14 +23,15 @@ import (
 	"fmt"
 	"time"
 
+	machineryv1tasks "github.com/RichardKnop/machinery/v1/tasks"
+	"github.com/google/uuid"
+	"go.opentelemetry.io/otel/trace"
+
 	logger "d7y.io/dragonfly/v2/internal/dflog"
 	internaljob "d7y.io/dragonfly/v2/internal/job"
 	"d7y.io/dragonfly/v2/manager/config"
 	"d7y.io/dragonfly/v2/manager/models"
 	"d7y.io/dragonfly/v2/manager/types"
-	machineryv1tasks "github.com/RichardKnop/machinery/v1/tasks"
-	"github.com/google/uuid"
-	"go.opentelemetry.io/otel/trace"
 )
 
 // ManagerTask is an interface for delete and list tasks.
diff --git a/manager/job/mocks/manager_tasks_mock.go b/manager/job/mocks/manager_tasks_mock.go
new file mode 100644
index 00000000000..94f7e964271
--- /dev/null
+++ b/manager/job/mocks/manager_tasks_mock.go
@@ -0,0 +1,72 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: manager_tasks.go
+//
+// Generated by this command:
+//
+//	mockgen -destination mocks/manager_tasks_mock.go -source manager_tasks.go -package mocks
+//
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	context "context"
+	reflect "reflect"
+
+	job "d7y.io/dragonfly/v2/internal/job"
+	models "d7y.io/dragonfly/v2/manager/models"
+	types "d7y.io/dragonfly/v2/manager/types"
+	gomock "github.com/golang/mock/gomock"
+)
+
+// MockManagerTasks is a mock of ManagerTasks interface.
+type MockManagerTasks struct {
+	ctrl     *gomock.Controller
+	recorder *MockManagerTasksMockRecorder
+}
+
+// MockManagerTasksMockRecorder is the mock recorder for MockManagerTasks.
+type MockManagerTasksMockRecorder struct {
+	mock *MockManagerTasks
+}
+
+// NewMockManagerTasks creates a new mock instance.
+func NewMockManagerTasks(ctrl *gomock.Controller) *MockManagerTasks {
+	mock := &MockManagerTasks{ctrl: ctrl}
+	mock.recorder = &MockManagerTasksMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockManagerTasks) EXPECT() *MockManagerTasksMockRecorder {
+	return m.recorder
+}
+
+// CreateDeleteTask mocks base method.
+func (m *MockManagerTasks) CreateDeleteTask(arg0 context.Context, arg1 []models.Scheduler, arg2 types.DeleteTasksArgs) (*job.GroupJobState, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateDeleteTask", arg0, arg1, arg2)
+	ret0, _ := ret[0].(*job.GroupJobState)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateDeleteTask indicates an expected call of CreateDeleteTask.
+func (mr *MockManagerTasksMockRecorder) CreateDeleteTask(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateDeleteTask", reflect.TypeOf((*MockManagerTasks)(nil).CreateDeleteTask), arg0, arg1, arg2)
+}
+
+// CreateListTasks mocks base method.
+func (m *MockManagerTasks) CreateListTasks(arg0 context.Context, arg1 []models.Scheduler, arg2 types.ListTasksArgs) (*job.GroupJobState, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateListTasks", arg0, arg1, arg2)
+	ret0, _ := ret[0].(*job.GroupJobState)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateListTasks indicates an expected call of CreateListTasks.
+func (mr *MockManagerTasksMockRecorder) CreateListTasks(arg0, arg1, arg2 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateListTasks", reflect.TypeOf((*MockManagerTasks)(nil).CreateListTasks), arg0, arg1, arg2)
+}