| /* |
| * 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 forking |
| |
| import ( |
| "context" |
| "fmt" |
| "strconv" |
| "sync" |
| "testing" |
| "time" |
| ) |
| |
| 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/roundrobin" |
| "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 forkingUrl, _ = common.NewURL( |
| fmt.Sprintf("dubbo://%s:%d/com.ikurento.user.UserProvider", constant.LocalHostValue, constant.DefaultPort)) |
| |
| func registerForking(mockInvokers ...*mock.MockInvoker) protocol.Invoker { |
| extension.SetLoadbalance(constant.LoadBalanceKeyRoundRobin, roundrobin.NewRRLoadBalance) |
| |
| var invokers []protocol.Invoker |
| for i, ivk := range mockInvokers { |
| invokers = append(invokers, ivk) |
| if i == 0 { |
| ivk.EXPECT().GetUrl().Return(forkingUrl) |
| } |
| } |
| staticDir := static.NewDirectory(invokers) |
| |
| forkingCluster := newForkingCluster() |
| clusterInvoker := forkingCluster.Join(staticDir) |
| return clusterInvoker |
| } |
| |
| func TestForkingInvokeSuccess(t *testing.T) { |
| ctrl := gomock.NewController(t) |
| defer ctrl.Finish() |
| |
| invokers := make([]*mock.MockInvoker, 0) |
| |
| mockResult := &protocol.RPCResult{Rest: clusterpkg.Rest{Tried: 0, Success: true}} |
| forkingUrl.AddParam(constant.ForksKey, strconv.Itoa(3)) |
| // forkingUrl.AddParam(constant.TimeoutKey, strconv.Itoa(constant.DefaultTimeout)) |
| |
| var wg sync.WaitGroup |
| wg.Add(2) |
| for i := 0; i < 2; i++ { |
| invoker := mock.NewMockInvoker(ctrl) |
| invokers = append(invokers, invoker) |
| invoker.EXPECT().IsAvailable().Return(true).AnyTimes() |
| invoker.EXPECT().Invoke(gomock.Any()).DoAndReturn( |
| func(protocol.Invocation) protocol.Result { |
| wg.Done() |
| return mockResult |
| }) |
| } |
| |
| clusterInvoker := registerForking(invokers...) |
| |
| result := clusterInvoker.Invoke(context.Background(), &invocation.RPCInvocation{}) |
| assert.Equal(t, mockResult, result) |
| wg.Wait() |
| } |
| |
| func TestForkingInvokeTimeout(t *testing.T) { |
| ctrl := gomock.NewController(t) |
| defer ctrl.Finish() |
| |
| invokers := make([]*mock.MockInvoker, 0) |
| |
| mockResult := &protocol.RPCResult{Rest: clusterpkg.Rest{Tried: 0, Success: true}} |
| forkingUrl.AddParam(constant.ForksKey, strconv.Itoa(3)) |
| |
| var wg sync.WaitGroup |
| wg.Add(2) |
| for i := 0; i < 2; i++ { |
| invoker := mock.NewMockInvoker(ctrl) |
| invokers = append(invokers, invoker) |
| invoker.EXPECT().IsAvailable().Return(true).AnyTimes() |
| invoker.EXPECT().Invoke(gomock.Any()).DoAndReturn( |
| func(protocol.Invocation) protocol.Result { |
| time.Sleep(2 * time.Second) |
| wg.Done() |
| return mockResult |
| }) |
| } |
| |
| clusterInvoker := registerForking(invokers...) |
| |
| result := clusterInvoker.Invoke(context.Background(), &invocation.RPCInvocation{}) |
| assert.NotNil(t, result) |
| assert.NotNil(t, result.Error()) |
| wg.Wait() |
| } |
| |
| func TestForkingInvokeHalfTimeout(t *testing.T) { |
| ctrl := gomock.NewController(t) |
| defer ctrl.Finish() |
| |
| invokers := make([]*mock.MockInvoker, 0) |
| |
| mockResult := &protocol.RPCResult{Rest: clusterpkg.Rest{Tried: 0, Success: true}} |
| forkingUrl.AddParam(constant.ForksKey, strconv.Itoa(3)) |
| |
| var wg sync.WaitGroup |
| wg.Add(2) |
| for i := 0; i < 2; i++ { |
| invoker := mock.NewMockInvoker(ctrl) |
| invokers = append(invokers, invoker) |
| invoker.EXPECT().IsAvailable().Return(true).AnyTimes() |
| if i == 1 { |
| invoker.EXPECT().Invoke(gomock.Any()).DoAndReturn( |
| func(protocol.Invocation) protocol.Result { |
| wg.Done() |
| return mockResult |
| }) |
| } else { |
| invoker.EXPECT().Invoke(gomock.Any()).DoAndReturn( |
| func(protocol.Invocation) protocol.Result { |
| time.Sleep(2 * time.Second) |
| wg.Done() |
| return mockResult |
| }) |
| } |
| } |
| |
| clusterInvoker := registerForking(invokers...) |
| |
| result := clusterInvoker.Invoke(context.Background(), &invocation.RPCInvocation{}) |
| assert.Equal(t, mockResult, result) |
| wg.Wait() |
| } |