metrics/bus_test.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 metrics

import (
	"testing"
)

import (
	"github.com/stretchr/testify/assert"
)

var mockChan = make(chan MetricsEvent, 16)

type MockEvent struct {
}

func (m MockEvent) Type() string {
	return "dubbo.metrics.mock"
}

func NewEmptyMockEvent() *MockEvent {
	return &MockEvent{}
}

func init() {
	Subscribe("dubbo.metrics.mock", mockChan)
	Publish(NewEmptyMockEvent())
}

func TestBusPublish(t *testing.T) {
	t.Run("testBusPublish", func(t *testing.T) {
		event := <-mockChan

		if event, ok := event.(MockEvent); ok {
			assert.Equal(t, event, NewEmptyMockEvent())
		}
	})
}