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add failback_cluster_invoker && failsafe_cluster_invoker. resolve #135
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,152 @@ | ||
| /* | ||
| 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. | ||
| */ | ||
|
|
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| package cluster_impl | ||
|
|
||
| import ( | ||
| "context" | ||
| "testing" | ||
| "time" | ||
| ) | ||
|
|
||
| import ( | ||
| "github.com/golang/mock/gomock" | ||
| perrors "github.com/pkg/errors" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| import ( | ||
| "github.com/apache/dubbo-go/cluster/directory" | ||
| "github.com/apache/dubbo-go/cluster/loadbalance" | ||
| "github.com/apache/dubbo-go/common" | ||
| "github.com/apache/dubbo-go/common/extension" | ||
| "github.com/apache/dubbo-go/protocol" | ||
| "github.com/apache/dubbo-go/protocol/invocation" | ||
| ) | ||
|
|
||
| func TestQueue(t *testing.T) { | ||
| q := newQueue() | ||
| d0 := retryTimerTask{retries: 0} | ||
| d1 := retryTimerTask{retries: 1} | ||
| d2 := retryTimerTask{retries: 2} | ||
| q.push(d0) | ||
| q.push(d1) | ||
| q.push(d2) | ||
|
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| d := q.peek() | ||
| assert.Equal(t, d, d0) | ||
| d = q.pop() | ||
| assert.Equal(t, d, d0) | ||
| d = q.pop() | ||
| assert.Equal(t, d, d1) | ||
| d = q.pop() | ||
| assert.Equal(t, d, d2) | ||
| } | ||
|
|
||
| var ( | ||
| failbackUrl, _ = common.NewURL(context.TODO(), "dubbo://192.168.1.1:20000/com.ikurento.user.UserProvider") | ||
| ) | ||
|
|
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| // register_failback register failbackCluster to cluster extension. | ||
| func register_failback(t *testing.T, invoker *protocol.MockInvoker) protocol.Invoker { | ||
| extension.SetLoadbalance("random", loadbalance.NewRandomLoadBalance) | ||
| failbackCluster := NewFailbackCluster() | ||
|
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| invokers := []protocol.Invoker{} | ||
| invokers = append(invokers, invoker) | ||
|
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| invoker.EXPECT().GetUrl().Return(failbackUrl) | ||
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| staticDir := directory.NewStaticDirectory(invokers) | ||
| clusterInvoker := failbackCluster.Join(staticDir) | ||
| return clusterInvoker | ||
| } | ||
|
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| func Test_FailbackSuceess(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| invoker := protocol.NewMockInvoker(ctrl) | ||
| clusterInvoker := register_failback(t, invoker).(*failbackClusterInvoker) | ||
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| invoker.EXPECT().GetUrl().Return(failbackUrl).Times(1) | ||
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| mockResult := &protocol.RPCResult{Rest: rest{tried: 0, success: true}} | ||
| invoker.EXPECT().Invoke(gomock.Any()).Return(mockResult) | ||
|
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| result := clusterInvoker.Invoke(&invocation.RPCInvocation{}) | ||
| assert.Equal(t, mockResult, result) | ||
| } | ||
|
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| func Test_FailbackRetryOneSuccess(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| invoker := protocol.NewMockInvoker(ctrl) | ||
| clusterInvoker := register_failback(t, invoker).(*failbackClusterInvoker) | ||
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| invoker.EXPECT().GetUrl().Return(failbackUrl).AnyTimes() | ||
|
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| // failed at first | ||
| mockFailedResult := &protocol.RPCResult{Err: perrors.New("error")} | ||
| invoker.EXPECT().Invoke(gomock.Any()).Return(mockFailedResult) | ||
|
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| // success second | ||
| mockSuccResult := &protocol.RPCResult{Rest: rest{tried: 0, success: true}} | ||
| invoker.EXPECT().Invoke(gomock.Any()).Return(mockSuccResult) | ||
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| result := clusterInvoker.Invoke(&invocation.RPCInvocation{}) | ||
| assert.Nil(t, result.Error()) | ||
| assert.Nil(t, result.Result()) | ||
| assert.Equal(t, 0, len(result.Attachments())) | ||
|
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| // ensure the retry task has been executed | ||
| time.Sleep(6 * time.Second) | ||
| invoker.EXPECT().Destroy().Return() | ||
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| clusterInvoker.Destroy() | ||
|
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| assert.Equal(t, 0, clusterInvoker.taskList.data.Len()) | ||
| } | ||
|
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| func Test_FailbackRetryFailed(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
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| invoker := protocol.NewMockInvoker(ctrl) | ||
| clusterInvoker := register_failback(t, invoker).(*failbackClusterInvoker) | ||
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| invoker.EXPECT().GetUrl().Return(failbackUrl).AnyTimes() | ||
|
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| // failed always | ||
| mockFailedResult := &protocol.RPCResult{Err: perrors.New("error")} | ||
| invoker.EXPECT().Invoke(gomock.Any()).Return(mockFailedResult).AnyTimes() | ||
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| result := clusterInvoker.Invoke(&invocation.RPCInvocation{}) | ||
| assert.Nil(t, result.Error()) | ||
| assert.Nil(t, result.Result()) | ||
| assert.Equal(t, 0, len(result.Attachments())) | ||
|
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| time.Sleep(2 * time.Second) // for retry work. | ||
| invoker.EXPECT().Destroy().Return() | ||
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| clusterInvoker.Destroy() | ||
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| time.Sleep(1 * time.Second) // for retryTimerTask thrown back to queue | ||
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| assert.Equal(t, 1, clusterInvoker.taskList.data.Len()) | ||
| } |
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