milvus/internal/datanode/data_node_test.go
XuanYang-cn dca6c6afde
Add unittest for BackGroundGC in DataNode (#6522)
Signed-off-by: yangxuan <xuan.yang@zilliz.com>
2021-07-15 10:05:55 +08:00

322 lines
8.7 KiB
Go

// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed 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 datanode
import (
"context"
"math"
"os"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"github.com/milvus-io/milvus/internal/log"
"github.com/milvus-io/milvus/internal/msgstream"
"github.com/milvus-io/milvus/internal/proto/commonpb"
"github.com/milvus-io/milvus/internal/proto/datapb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
)
func TestMain(t *testing.M) {
Params.InitAlias("datanode-alias-1")
Params.Init()
refreshChannelNames()
code := t.Run()
os.Exit(code)
}
func TestDataNode(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
node := newIDLEDataNodeMock(ctx)
node.Init()
node.Start()
node.Register()
t.Run("Test WatchDmChannels", func(t *testing.T) {
t.Skip()
ctx, cancel := context.WithCancel(context.Background())
node1 := newIDLEDataNodeMock(ctx)
node1.Start()
vchannels := []*datapb.VchannelInfo{}
for _, ch := range []string{"datanode-01-test-WatchDmChannel",
"datanode-02-test-WatchDmChannels"} {
log.Debug("InsertChannels", zap.String("name", ch))
vchan := &datapb.VchannelInfo{
CollectionID: 1,
ChannelName: ch,
UnflushedSegments: []*datapb.SegmentInfo{},
}
vchannels = append(vchannels, vchan)
}
req := &datapb.WatchDmChannelsRequest{
Base: &commonpb.MsgBase{
MsgType: 0,
MsgID: 0,
Timestamp: 0,
SourceID: Params.NodeID,
},
Vchannels: vchannels,
}
_, err := node1.WatchDmChannels(node.ctx, req)
assert.NoError(t, err)
assert.NotNil(t, node1.vchan2FlushCh)
assert.NotNil(t, node1.vchan2SyncService)
sync, ok := node1.vchan2SyncService["datanode-01-test-WatchDmChannel"]
assert.True(t, ok)
assert.NotNil(t, sync)
assert.Equal(t, UniqueID(1), sync.collectionID)
assert.Equal(t, 2, len(node1.vchan2SyncService))
assert.Equal(t, len(node1.vchan2FlushCh), len(node1.vchan2SyncService))
_, err = node1.WatchDmChannels(node1.ctx, req)
assert.NoError(t, err)
assert.Equal(t, 2, len(node1.vchan2SyncService))
cancel()
<-node1.ctx.Done()
node1.Stop()
})
t.Run("Test GetComponentStates", func(t *testing.T) {
stat, err := node.GetComponentStates(node.ctx)
assert.NoError(t, err)
assert.Equal(t, commonpb.ErrorCode_Success, stat.Status.ErrorCode)
})
t.Run("Test NewDataSyncService", func(t *testing.T) {
t.Skip()
ctx, cancel := context.WithCancel(context.Background())
node2 := newIDLEDataNodeMock(ctx)
node2.Start()
dmChannelName := "fake-dm-channel-test-NewDataSyncService"
vchan := &datapb.VchannelInfo{
CollectionID: 1,
ChannelName: dmChannelName,
UnflushedSegments: []*datapb.SegmentInfo{},
}
require.Equal(t, 0, len(node2.vchan2FlushCh))
require.Equal(t, 0, len(node2.vchan2SyncService))
err := node2.NewDataSyncService(vchan)
assert.NoError(t, err)
assert.Equal(t, 1, len(node2.vchan2FlushCh))
assert.Equal(t, 1, len(node2.vchan2SyncService))
err = node2.NewDataSyncService(vchan)
assert.NoError(t, err)
assert.Equal(t, 1, len(node2.vchan2FlushCh))
assert.Equal(t, 1, len(node2.vchan2SyncService))
cancel()
<-node2.ctx.Done()
node2.Stop()
})
t.Run("Test FlushSegments", func(t *testing.T) {
t.Skipf("Fix latter")
dmChannelName := "fake-dm-channel-test-HEALTHDataNodeMock"
node1 := newHEALTHDataNodeMock(dmChannelName)
sync, ok := node1.vchan2SyncService[dmChannelName]
assert.True(t, ok)
sync.replica.addNewSegment(0, 1, 1, dmChannelName, nil, nil)
req := &datapb.FlushSegmentsRequest{
Base: &commonpb.MsgBase{},
DbID: 0,
CollectionID: 1,
SegmentIDs: []int64{0},
}
status, err := node1.FlushSegments(node1.ctx, req)
assert.NoError(t, err)
assert.Equal(t, commonpb.ErrorCode_Success, status.ErrorCode)
timeTickMsgPack := msgstream.MsgPack{}
timeTickMsg := &msgstream.TimeTickMsg{
BaseMsg: msgstream.BaseMsg{
BeginTimestamp: Timestamp(0),
EndTimestamp: Timestamp(0),
HashValues: []uint32{0},
},
TimeTickMsg: internalpb.TimeTickMsg{
Base: &commonpb.MsgBase{
MsgType: commonpb.MsgType_TimeTick,
MsgID: UniqueID(0),
Timestamp: math.MaxUint64,
SourceID: 0,
},
},
}
timeTickMsgPack.Msgs = append(timeTickMsgPack.Msgs, timeTickMsg)
// pulsar produce
msFactory := msgstream.NewPmsFactory()
m := map[string]interface{}{
"pulsarAddress": Params.PulsarAddress,
"receiveBufSize": 1024,
"pulsarBufSize": 1024}
err = msFactory.SetParams(m)
assert.NoError(t, err)
insertStream, _ := msFactory.NewMsgStream(node1.ctx)
insertStream.AsProducer([]string{dmChannelName})
var insertMsgStream msgstream.MsgStream = insertStream
insertMsgStream.Start()
err = insertMsgStream.Broadcast(&timeTickMsgPack)
assert.NoError(t, err)
err = insertMsgStream.Broadcast(&timeTickMsgPack)
assert.NoError(t, err)
defer func() {
<-node1.ctx.Done()
node1.Stop()
}()
})
t.Run("Test GetTimeTickChannel", func(t *testing.T) {
_, err := node.GetTimeTickChannel(node.ctx)
assert.NoError(t, err)
})
t.Run("Test GetStatisticsChannel", func(t *testing.T) {
_, err := node.GetStatisticsChannel(node.ctx)
assert.NoError(t, err)
})
t.Run("Test BackGroundGC", func(te *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
node := newIDLEDataNodeMock(ctx)
collIDCh := make(chan UniqueID)
go node.BackGroundGC(collIDCh)
node.clearSignal = collIDCh
testDataSyncs := []struct {
collID UniqueID
dmChannelName string
}{
{1, "fake-dm-backgroundgc-1"},
{2, "fake-dm-backgroundgc-2"},
{3, "fake-dm-backgroundgc-3"},
{4, ""},
{1, ""},
}
for i, t := range testDataSyncs {
if i <= 2 {
node.NewDataSyncService(&datapb.VchannelInfo{CollectionID: t.collID, ChannelName: t.dmChannelName})
msFactory := msgstream.NewPmsFactory()
insertStream, _ := msFactory.NewMsgStream(ctx)
var insertMsgStream msgstream.MsgStream = insertStream
insertMsgStream.Start()
}
collIDCh <- t.collID
}
assert.Eventually(t, func() bool {
node.chanMut.Lock()
defer node.chanMut.Unlock()
return len(node.vchan2FlushCh) == 0
}, time.Second, time.Millisecond)
cancel()
})
t.Run("Test ReleaseDataSyncService", func(t *testing.T) {
dmChannelName := "fake-dm-channel-test-NewDataSyncService"
vchan := &datapb.VchannelInfo{
CollectionID: 1,
ChannelName: dmChannelName,
UnflushedSegments: []*datapb.SegmentInfo{},
}
err := node.NewDataSyncService(vchan)
require.NoError(t, err)
require.Equal(t, 1, len(node.vchan2FlushCh))
require.Equal(t, 1, len(node.vchan2SyncService))
time.Sleep(time.Second)
node.ReleaseDataSyncService(dmChannelName)
assert.Equal(t, 0, len(node.vchan2FlushCh))
assert.Equal(t, 0, len(node.vchan2SyncService))
s, ok := node.vchan2SyncService[dmChannelName]
assert.False(t, ok)
assert.Nil(t, s)
})
t.Run("Test GetChannelName", func(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
node := newIDLEDataNodeMock(ctx)
testCollIDs := []UniqueID{0, 1, 2, 1}
testSegIDs := []UniqueID{10, 11, 12, 13}
testchanNames := []string{"a", "b", "c", "d"}
node.chanMut.Lock()
for i, name := range testchanNames {
replica := &SegmentReplica{
collectionID: testCollIDs[i],
newSegments: make(map[UniqueID]*Segment),
}
replica.addNewSegment(testSegIDs[i], testCollIDs[i], 0, name, &internalpb.MsgPosition{}, nil)
node.vchan2SyncService[name] = &dataSyncService{collectionID: testCollIDs[i], replica: replica}
}
node.chanMut.Unlock()
type Test struct {
inCollID UniqueID
expectedChannels []string
inSegID UniqueID
expectedChannel string
}
tests := []Test{
{0, []string{"a"}, 10, "a"},
{1, []string{"b", "d"}, 11, "b"},
{2, []string{"c"}, 12, "c"},
{3, []string{}, 13, "d"},
{3, []string{}, 100, ""},
}
for _, test := range tests {
actualChannels := node.getChannelNamesbyCollectionID(test.inCollID)
assert.ElementsMatch(t, test.expectedChannels, actualChannels)
actualChannel := node.getChannelNamebySegmentID(test.inSegID)
assert.Equal(t, test.expectedChannel, actualChannel)
}
cancel()
})
cancel()
<-node.ctx.Done()
node.Stop()
}