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/*
* 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 available
import (
"context"
"errors"
"fmt"
"strings"
"testing"
)
import (
"github.com/golang/mock/gomock"
"github.com/stretchr/testify/assert"
)
import (
clusterpkg "dubbo.apache.org/dubbo-go/v3/cluster/cluster"
"dubbo.apache.org/dubbo-go/v3/cluster/directory/static"
"dubbo.apache.org/dubbo-go/v3/cluster/loadbalance/random"
"dubbo.apache.org/dubbo-go/v3/common"
"dubbo.apache.org/dubbo-go/v3/common/constant"
"dubbo.apache.org/dubbo-go/v3/common/extension"
"dubbo.apache.org/dubbo-go/v3/protocol"
"dubbo.apache.org/dubbo-go/v3/protocol/invocation"
"dubbo.apache.org/dubbo-go/v3/protocol/mock"
)
var availableUrl, _ = common.NewURL(fmt.Sprintf("dubbo://%s:%d/com.ikurento.user.UserProvider",
constant.LocalHostValue, constant.DefaultPort))
func registerAvailable(invoker *mock.MockInvoker) protocol.Invoker {
extension.SetLoadbalance("random", random.NewRandomLoadBalance)
availableCluster := NewAvailableCluster()
invokers := []protocol.Invoker{}
invokers = append(invokers, invoker)
invoker.EXPECT().GetUrl().Return(availableUrl).AnyTimes()
invoker.EXPECT().IsAvailable().Return(true).AnyTimes()
staticDir := static.NewDirectory(invokers)
clusterInvoker := availableCluster.Join(staticDir)
return clusterInvoker
}
func TestAvailableClusterInvokerSuccess(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
invoker := mock.NewMockInvoker(ctrl)
clusterInvoker := registerAvailable(invoker)
mockResult := &protocol.RPCResult{Rest: clusterpkg.Rest{Tried: 0, Success: true}}
invoker.EXPECT().IsAvailable().Return(true).AnyTimes()
invoker.EXPECT().Invoke(gomock.Any()).Return(mockResult).AnyTimes()
result := clusterInvoker.Invoke(context.Background(), &invocation.RPCInvocation{})
assert.Equal(t, mockResult, result)
}
func TestAvailableClusterInvokerNoAvail(t *testing.T) {
ctrl := gomock.NewController(t)
defer ctrl.Finish()
invoker := mock.NewMockInvoker(ctrl)
clusterInvoker := registerAvailable(invoker)
invoker.EXPECT().IsAvailable().Return(false).AnyTimes()
res := &protocol.RPCResult{Err: errors.New("no provider available")}
invoker.EXPECT().Invoke(gomock.Any()).Return(res).AnyTimes()
result := clusterInvoker.Invoke(context.TODO(), &invocation.RPCInvocation{})
assert.NotNil(t, result.Error())
assert.True(t, strings.Contains(result.Error().Error(), "no provider available"))
assert.Nil(t, result.Result())
}