You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: replication_test.go
    path of file: ./repos/harbor/src/controller/event/handler/webhook/artifact
    
    the code of the file until where you have to start completion: // Copyright Project Harbor Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package artifact

import (
	"testing"
	"time"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"

	common_dao "github.com/goharbor/harbor/src/common/dao"
	"github.com/goharbor/harbor/src/controller/event"
	"github.com/goharbor/harbor/src/controller/project"
	repctl "github.com/goharbor/harbor/src/controller/replication"
	repctlmodel "github.com/goharbor/harbor/src/controller/replication/model"
	"github.com/goharbor/harbor/src/lib/config"
	"github.com/goharbor/harbor/src/lib/orm"
	_ "github.com/goharbor/harbor/src/pkg/config/db"
	_ "github.com/goharbor/harbor/src/pkg/config/inmemory"
	"github.com/goharbor/harbor/src/pkg/notification"
	policy_model "github.com/goharbor/harbor/src/pkg/notification/policy/model"
	proModels "github.com/goharbor/harbor/src/pkg/project/models"
	rpModel "github.com/goharbor/harbor/src/pkg/reg/model"
	projecttesting "github.com/goharbor/harbor/src/testing/controller/project"
	replicationtesting "github.com/goharbor/harbor/src/testing/controller/replication"
	"github.com/goharbor
    
func TestReplicationHandler_Handle(t *testing.T) {
	common_dao.PrepareTestForPostgresSQL()
	config.Init()

	PolicyMgr := notification.PolicyMgr
	prj := project.Ctl
	repCtl := repctl.Ctl

	defer func() {
		notification.PolicyMgr = PolicyMgr
		project.Ctl = prj
		repctl.Ctl = repCtl
	}()
	policyMgrMock := &testingnotification.Manager{}
	notification.PolicyMgr = policyMgrMock
	projectCtl := &projecttesting.Controller{}
	project.Ctl = projectCtl
	mockRepCtl := &replicationtesting.Controller{}
	repctl.Ctl = mockRepCtl
	mockRepCtl.On("GetPolicy", mock.Anything, mock.Anything).Return(&repctlmodel.Policy{ID: 1}, nil)
	mockRepCtl.On("GetTask", mock.Anything, mock.Anything).Return(&repctl.Task{}, nil)
	mockRepCtl.On("GetExecution", mock.Anything, mock.Anything).Return(&repctl.Execution{}, nil)
	policyMgrMock.On("GetRelatedPolices", mock.Anything, mock.Anything, mock.Anything).Return([]*policy_model.Policy{
		{
			ID: 0,
		},
	}, nil)

	mock.OnAnything(projectCtl, "GetByName").Return(&proModels.Project{ProjectID: 1}, nil)

	handler := &ReplicationHandler{}

	type args struct {
		data interface{}
	}
	tests := []struct {
		name    string
		args    args
		wantErr bool
	}{
		{
			name: "ReplicationHandler Want Error 1",
			args: args{
				data: "",
			},
			wantErr: true,
		},
		{
			name: "ReplicationHandler 1",
			args: args{
				data: &event.ReplicationEvent{
					OccurAt: time.Now(),
				},
			},
			wantErr: false,
		},
		{
			name: "ReplicationHandler with docker registry",
			args: args{
				data: &event.ReplicationEvent{
					OccurAt:           time.Now(),
					ReplicationTaskID: 1,
				},
			},
			wantErr: false,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			err := handler.Handle(orm.Context(), tt.args.data)
			if tt.wantErr {
				require.NotNil(t, err, "Error: %s", err)
				return
			}
			assert.Nil(t, err)
		})
	}

}