milvus/internal/querynodev2/delegator/delegator_test.go
yah01 081572d31c
Refactor QueryNode (#21625)
Signed-off-by: yah01 <yang.cen@zilliz.com>
Co-authored-by: Congqi Xia <congqi.xia@zilliz.com>
Co-authored-by: aoiasd <zhicheng.yue@zilliz.com>
2023-03-27 00:42:00 +08:00

832 lines
25 KiB
Go

// Licensed to the LF AI & Data foundation 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 delegator
import (
"context"
"sync"
"testing"
"time"
"github.com/cockroachdb/errors"
"github.com/milvus-io/milvus-proto/go-api/commonpb"
"github.com/milvus-io/milvus-proto/go-api/schemapb"
"github.com/milvus-io/milvus/internal/mq/msgstream"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/proto/querypb"
"github.com/milvus-io/milvus/internal/querynodev2/cluster"
"github.com/milvus-io/milvus/internal/querynodev2/segments"
"github.com/milvus-io/milvus/internal/querynodev2/tsafe"
"github.com/milvus-io/milvus/internal/util/commonpbutil"
"github.com/milvus-io/milvus/internal/util/paramtable"
"github.com/samber/lo"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"go.uber.org/atomic"
)
type DelegatorSuite struct {
suite.Suite
collectionID int64
replicaID int64
vchannelName string
version int64
workerManager *cluster.MockManager
manager *segments.Manager
tsafeManager tsafe.Manager
loader *segments.MockLoader
mq *msgstream.MockMsgStream
delegator ShardDelegator
}
func (s *DelegatorSuite) SetupSuite() {
paramtable.Init()
}
func (s *DelegatorSuite) TearDownSuite() {
}
func (s *DelegatorSuite) SetupTest() {
s.collectionID = 1000
s.replicaID = 65535
s.vchannelName = "rootcoord-dml_1000_v0"
s.version = 2000
s.workerManager = &cluster.MockManager{}
s.manager = segments.NewManager()
s.tsafeManager = tsafe.NewTSafeReplica()
s.loader = &segments.MockLoader{}
s.loader.EXPECT().
Load(mock.Anything, s.collectionID, segments.SegmentTypeGrowing, int64(0), mock.Anything).
Call.Return(func(ctx context.Context, collectionID int64, segmentType segments.SegmentType, version int64, infos ...*querypb.SegmentLoadInfo) []segments.Segment {
return lo.Map(infos, func(info *querypb.SegmentLoadInfo, _ int) segments.Segment {
ms := &segments.MockSegment{}
ms.EXPECT().ID().Return(info.GetSegmentID())
ms.EXPECT().Type().Return(segments.SegmentTypeGrowing)
ms.EXPECT().Partition().Return(info.GetPartitionID())
ms.EXPECT().Collection().Return(info.GetCollectionID())
ms.EXPECT().Indexes().Return(nil)
ms.EXPECT().RowNum().Return(info.GetNumOfRows())
return ms
})
}, nil)
// init schema
s.manager.Collection.Put(s.collectionID, &schemapb.CollectionSchema{
Name: "TestCollection",
Fields: []*schemapb.FieldSchema{
{
Name: "id",
FieldID: 100,
IsPrimaryKey: true,
DataType: schemapb.DataType_Int64,
AutoID: true,
},
{
Name: "vector",
FieldID: 101,
IsPrimaryKey: false,
DataType: schemapb.DataType_BinaryVector,
TypeParams: []*commonpb.KeyValuePair{
{
Key: "dim",
Value: "128",
},
},
},
},
}, &querypb.LoadMetaInfo{})
s.mq = &msgstream.MockMsgStream{}
var err error
// s.delegator, err = NewShardDelegator(s.collectionID, s.replicaID, s.vchannelName, s.version, s.workerManager, s.manager, s.tsafeManager, s.loader)
s.delegator, err = NewShardDelegator(s.collectionID, s.replicaID, s.vchannelName, s.version, s.workerManager, s.manager, s.tsafeManager, s.loader, &msgstream.MockMqFactory{
NewMsgStreamFunc: func(_ context.Context) (msgstream.MsgStream, error) {
return s.mq, nil
},
}, 10000)
s.Require().NoError(err)
}
func (s *DelegatorSuite) TearDownTest() {
s.delegator.Close()
s.delegator = nil
}
func (s *DelegatorSuite) TestBasicInfo() {
s.Equal(s.collectionID, s.delegator.Collection())
s.Equal(s.version, s.delegator.Version())
s.False(s.delegator.Serviceable())
s.delegator.Start()
s.True(s.delegator.Serviceable())
}
func (s *DelegatorSuite) TestDistribution() {
sealed, growing, version := s.delegator.GetDistribution().GetCurrent()
s.delegator.GetDistribution().FinishUsage(version)
s.Equal(0, len(sealed))
s.Equal(0, len(growing))
s.delegator.SyncDistribution(context.Background(), SegmentEntry{
NodeID: 1,
SegmentID: 1001,
PartitionID: 500,
Version: 2001,
})
sealed, growing, version = s.delegator.GetDistribution().GetCurrent()
s.EqualValues([]SnapshotItem{
{
NodeID: 1,
Segments: []SegmentEntry{
{
NodeID: 1,
SegmentID: 1001,
PartitionID: 500,
Version: 2001,
},
},
},
}, sealed)
s.Equal(0, len(growing))
s.delegator.GetDistribution().FinishUsage(version)
}
func (s *DelegatorSuite) TestSearch() {
s.delegator.Start()
// 1 => sealed segment 1000, 1001
// 1 => growing segment 1004
// 2 => sealed segment 1002, 1003
paramtable.SetNodeID(1)
s.delegator.LoadGrowing(context.Background(), []*querypb.SegmentLoadInfo{
{
SegmentID: 1004,
CollectionID: s.collectionID,
PartitionID: 500,
},
}, 0)
s.delegator.SyncDistribution(context.Background(),
SegmentEntry{
NodeID: 1,
SegmentID: 1000,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 1,
SegmentID: 1001,
PartitionID: 501,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1002,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1003,
PartitionID: 501,
Version: 2001,
},
)
s.Run("normal", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).
Run(func(_ context.Context, req *querypb.SearchRequest) {
s.EqualValues(1, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
if req.GetScope() == querypb.DataScope_Streaming {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1004}, req.GetSegmentIDs())
}
if req.GetScope() == querypb.DataScope_Historical {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1000, 1001}, req.GetSegmentIDs())
}
}).Return(&internalpb.SearchResults{}, nil)
worker2.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).
Run(func(_ context.Context, req *querypb.SearchRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.SearchResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
results, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.NoError(err)
s.Equal(3, len(results))
})
s.Run("worker_return_error", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).Return(nil, errors.New("mock error"))
worker2.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).
Run(func(_ context.Context, req *querypb.SearchRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.SearchResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("worker_return_failure_code", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).Return(&internalpb.SearchResults{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_UnexpectedError,
Reason: "mocked error",
},
}, nil)
worker2.EXPECT().Search(mock.Anything, mock.AnythingOfType("*querypb.SearchRequest")).
Run(func(_ context.Context, req *querypb.SearchRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.SearchResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("wrong_channel", func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{"non_exist_channel"},
})
s.Error(err)
})
s.Run("wait_tsafe_timeout", func() {
ctx, cancel := context.WithTimeout(context.Background(), time.Millisecond*100)
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{
Base: commonpbutil.NewMsgBase(),
GuaranteeTimestamp: 100,
},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("tsafe_behind_max_lag", func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{
Base: commonpbutil.NewMsgBase(),
GuaranteeTimestamp: uint64(paramtable.Get().QueryNodeCfg.MaxTimestampLag.GetAsDuration(time.Second)) + 1,
},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("cluster_not_serviceable", func() {
s.delegator.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Search(ctx, &querypb.SearchRequest{
Req: &internalpb.SearchRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
}
func (s *DelegatorSuite) TestQuery() {
s.delegator.Start()
// 1 => sealed segment 1000, 1001
// 1 => growing segment 1004
// 2 => sealed segment 1002, 1003
paramtable.SetNodeID(1)
s.delegator.LoadGrowing(context.Background(), []*querypb.SegmentLoadInfo{
{
SegmentID: 1004,
CollectionID: s.collectionID,
PartitionID: 500,
},
}, 0)
s.delegator.SyncDistribution(context.Background(),
SegmentEntry{
NodeID: 1,
SegmentID: 1000,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 1,
SegmentID: 1001,
PartitionID: 501,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1002,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1003,
PartitionID: 501,
Version: 2001,
},
)
s.Run("normal", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).
Run(func(_ context.Context, req *querypb.QueryRequest) {
s.EqualValues(1, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
if req.GetScope() == querypb.DataScope_Streaming {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1004}, req.GetSegmentIDs())
}
if req.GetScope() == querypb.DataScope_Historical {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1000, 1001}, req.GetSegmentIDs())
}
}).Return(&internalpb.RetrieveResults{}, nil)
worker2.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).
Run(func(_ context.Context, req *querypb.QueryRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.RetrieveResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
results, err := s.delegator.Query(ctx, &querypb.QueryRequest{
Req: &internalpb.RetrieveRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.NoError(err)
s.Equal(3, len(results))
})
s.Run("worker_return_error", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).Return(nil, errors.New("mock error"))
worker2.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).
Run(func(_ context.Context, req *querypb.QueryRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.RetrieveResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Query(ctx, &querypb.QueryRequest{
Req: &internalpb.RetrieveRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("worker_return_failure_code", func() {
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).Return(&internalpb.RetrieveResults{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_UnexpectedError,
Reason: "mocked error",
},
}, nil)
worker2.EXPECT().Query(mock.Anything, mock.AnythingOfType("*querypb.QueryRequest")).
Run(func(_ context.Context, req *querypb.QueryRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.RetrieveResults{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Query(ctx, &querypb.QueryRequest{
Req: &internalpb.RetrieveRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("wrong_channel", func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Query(ctx, &querypb.QueryRequest{
Req: &internalpb.RetrieveRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{"non_exist_channel"},
})
s.Error(err)
})
s.Run("cluster_not_serviceable", func() {
s.delegator.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.Query(ctx, &querypb.QueryRequest{
Req: &internalpb.RetrieveRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
}
func (s *DelegatorSuite) TestGetStats() {
s.delegator.Start()
// 1 => sealed segment 1000, 1001
// 1 => growing segment 1004
// 2 => sealed segment 1002, 1003
paramtable.SetNodeID(1)
s.delegator.LoadGrowing(context.Background(), []*querypb.SegmentLoadInfo{
{
SegmentID: 1004,
CollectionID: s.collectionID,
PartitionID: 500,
},
}, 0)
s.delegator.SyncDistribution(context.Background(),
SegmentEntry{
NodeID: 1,
SegmentID: 1000,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 1,
SegmentID: 1001,
PartitionID: 501,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1002,
PartitionID: 500,
Version: 2001,
},
SegmentEntry{
NodeID: 2,
SegmentID: 1003,
PartitionID: 501,
Version: 2001,
},
)
s.Run("normal", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).
Run(func(_ context.Context, req *querypb.GetStatisticsRequest) {
s.EqualValues(1, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
if req.GetScope() == querypb.DataScope_Streaming {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1004}, req.GetSegmentIDs())
}
if req.GetScope() == querypb.DataScope_Historical {
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1000, 1001}, req.GetSegmentIDs())
}
}).Return(&internalpb.GetStatisticsResponse{}, nil)
worker2.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).
Run(func(_ context.Context, req *querypb.GetStatisticsRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.GetStatisticsResponse{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
results, err := s.delegator.GetStatistics(ctx, &querypb.GetStatisticsRequest{
Req: &internalpb.GetStatisticsRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.NoError(err)
s.Equal(3, len(results))
})
s.Run("worker_return_error", func() {
defer func() {
s.workerManager.ExpectedCalls = nil
}()
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).Return(nil, errors.New("mock error"))
worker2.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).
Run(func(_ context.Context, req *querypb.GetStatisticsRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.GetStatisticsResponse{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.GetStatistics(ctx, &querypb.GetStatisticsRequest{
Req: &internalpb.GetStatisticsRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("worker_return_failure_code", func() {
workers := make(map[int64]*cluster.MockWorker)
worker1 := &cluster.MockWorker{}
worker2 := &cluster.MockWorker{}
workers[1] = worker1
workers[2] = worker2
worker1.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).Return(&internalpb.GetStatisticsResponse{
Status: &commonpb.Status{
ErrorCode: commonpb.ErrorCode_UnexpectedError,
Reason: "mocked error",
},
}, nil)
worker2.EXPECT().GetStatistics(mock.Anything, mock.AnythingOfType("*querypb.GetStatisticsRequest")).
Run(func(_ context.Context, req *querypb.GetStatisticsRequest) {
s.EqualValues(2, req.Req.GetBase().GetTargetID())
s.True(req.GetFromShardLeader())
s.Equal(querypb.DataScope_Historical, req.GetScope())
s.EqualValues([]string{s.vchannelName}, req.GetDmlChannels())
s.ElementsMatch([]int64{1002, 1003}, req.GetSegmentIDs())
}).Return(&internalpb.GetStatisticsResponse{}, nil)
s.workerManager.EXPECT().GetWorker(mock.AnythingOfType("int64")).Call.Return(func(nodeID int64) cluster.Worker {
return workers[nodeID]
}, nil)
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.GetStatistics(ctx, &querypb.GetStatisticsRequest{
Req: &internalpb.GetStatisticsRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
s.Run("wrong_channel", func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.GetStatistics(ctx, &querypb.GetStatisticsRequest{
Req: &internalpb.GetStatisticsRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{"non_exist_channel"},
})
s.Error(err)
})
s.Run("cluster_not_serviceable", func() {
s.delegator.Close()
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
_, err := s.delegator.GetStatistics(ctx, &querypb.GetStatisticsRequest{
Req: &internalpb.GetStatisticsRequest{Base: commonpbutil.NewMsgBase()},
DmlChannels: []string{s.vchannelName},
})
s.Error(err)
})
}
func TestDelegatorSuite(t *testing.T) {
suite.Run(t, new(DelegatorSuite))
}
func TestDelegatorWatchTsafe(t *testing.T) {
channelName := "default_dml_channel"
tsafeManager := tsafe.NewTSafeReplica()
tsafeManager.Add(channelName, 100)
sd := &shardDelegator{
tsafeManager: tsafeManager,
vchannelName: channelName,
lifetime: newLifetime(),
latestTsafe: atomic.NewUint64(0),
}
defer sd.Close()
m := sync.Mutex{}
sd.tsCond = sync.NewCond(&m)
sd.wg.Add(1)
go sd.watchTSafe()
err := tsafeManager.Set(channelName, 200)
require.NoError(t, err)
assert.Eventually(t, func() bool {
return sd.latestTsafe.Load() == 200
}, time.Second*10, time.Millisecond*10)
}
func TestDelegatorTSafeListenerClosed(t *testing.T) {
channelName := "default_dml_channel"
tsafeManager := tsafe.NewTSafeReplica()
tsafeManager.Add(channelName, 100)
sd := &shardDelegator{
tsafeManager: tsafeManager,
vchannelName: channelName,
lifetime: newLifetime(),
latestTsafe: atomic.NewUint64(0),
}
defer sd.Close()
m := sync.Mutex{}
sd.tsCond = sync.NewCond(&m)
sd.wg.Add(1)
signal := make(chan struct{})
go func() {
sd.watchTSafe()
close(signal)
}()
select {
case <-signal:
assert.FailNow(t, "watchTsafe quit unexpectedly")
case <-time.After(time.Millisecond * 10):
}
tsafeManager.Remove(channelName)
select {
case <-signal:
case <-time.After(time.Second):
assert.FailNow(t, "watchTsafe still working after listener closed")
}
}