protocol/grpc/grpc_protocol_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 grpc

import (
	"testing"
	"time"
)

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

import (
	"github.com/apache/dubbo-go/common"
	"github.com/apache/dubbo-go/protocol"
	"github.com/apache/dubbo-go/protocol/grpc/internal"
)

func TestGrpcProtocol_Export(t *testing.T) {
	// Export
	addService()

	proto := GetProtocol()
	url, err := common.NewURL("grpc://127.0.0.1:40000/GrpcGreeterImpl?accesslog=&app.version=0.0.1&application=BDTService&bean.name=GrpcGreeterImpl&cluster=failover&environment=dev&execute.limit=&execute.limit.rejected.handler=&group=&interface=io.grpc.examples.helloworld.GreeterGrpc%24IGreeter&loadbalance=random&methods.SayHello.loadbalance=random&methods.SayHello.retries=1&methods.SayHello.tps.limit.interval=&methods.SayHello.tps.limit.rate=&methods.SayHello.tps.limit.strategy=&methods.SayHello.weight=0&module=dubbogo+say-hello+client&name=BDTService&organization=ikurento.com&owner=ZX&registry.role=3&retries=&service.filter=echo%2Ctoken%2Caccesslog%2Ctps%2Cexecute%2Cpshutdown&timestamp=1576923717&tps.limit.interval=&tps.limit.rate=&tps.limit.rejected.handler=&tps.limit.strategy=&tps.limiter=&version=&warmup=100")
	assert.NoError(t, err)
	exporter := proto.Export(protocol.NewBaseInvoker(url))
	time.Sleep(time.Second)

	// make sure url
	eq := exporter.GetInvoker().GetUrl().URLEqual(url)
	assert.True(t, eq)

	// make sure exporterMap after 'Unexport'
	_, ok := proto.(*GrpcProtocol).ExporterMap().Load(url.ServiceKey())
	assert.True(t, ok)
	exporter.Unexport()
	_, ok = proto.(*GrpcProtocol).ExporterMap().Load(url.ServiceKey())
	assert.False(t, ok)

	// make sure serverMap after 'Destroy'
	_, ok = proto.(*GrpcProtocol).serverMap[url.Location]
	assert.True(t, ok)
	proto.Destroy()
	_, ok = proto.(*GrpcProtocol).serverMap[url.Location]
	assert.False(t, ok)
}

func TestGrpcProtocol_Refer(t *testing.T) {
	go internal.InitGrpcServer()
	defer internal.ShutdownGrpcServer()
	time.Sleep(time.Second)

	proto := GetProtocol()
	url, err := common.NewURL("grpc://127.0.0.1:30000/GrpcGreeterImpl?accesslog=&anyhost=true&app.version=0.0.1&application=BDTService&async=false&bean.name=GrpcGreeterImpl&category=providers&cluster=failover&dubbo=dubbo-provider-golang-2.6.0&environment=dev&execute.limit=&execute.limit.rejected.handler=&generic=false&group=&interface=io.grpc.examples.helloworld.GreeterGrpc%24IGreeter&ip=192.168.1.106&loadbalance=random&methods.SayHello.loadbalance=random&methods.SayHello.retries=1&methods.SayHello.tps.limit.interval=&methods.SayHello.tps.limit.rate=&methods.SayHello.tps.limit.strategy=&methods.SayHello.weight=0&module=dubbogo+say-hello+client&name=BDTService&organization=ikurento.com&owner=ZX&pid=49427&reference.filter=cshutdown&registry.role=3&remote.timestamp=1576923717&retries=&service.filter=echo%2Ctoken%2Caccesslog%2Ctps%2Cexecute%2Cpshutdown&side=provider&timestamp=1576923740&tps.limit.interval=&tps.limit.rate=&tps.limit.rejected.handler=&tps.limit.strategy=&tps.limiter=&version=&warmup=100!")
	assert.NoError(t, err)
	invoker := proto.Refer(url)

	// make sure url
	eq := invoker.GetUrl().URLEqual(url)
	assert.True(t, eq)

	// make sure invokers after 'Destroy'
	invokersLen := len(proto.(*GrpcProtocol).Invokers())
	assert.Equal(t, 1, invokersLen)
	proto.Destroy()
	invokersLen = len(proto.(*GrpcProtocol).Invokers())
	assert.Equal(t, 0, invokersLen)
}