milvus/internal/querynodev2/segments/result_test.go
wei liu e40d95e093
add search/query request cost metrics on qn (#24413)
Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2023-06-15 14:24:38 +08:00

614 lines
20 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 segments
import (
"context"
"math"
"sort"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/internal/proto/internalpb"
"github.com/milvus-io/milvus/internal/proto/segcorepb"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/util/typeutil"
)
type ResultSuite struct {
suite.Suite
}
func (suite *ResultSuite) TestResult_MergeSegcoreRetrieveResults() {
const (
Dim = 8
Int64FieldName = "Int64Field"
FloatVectorFieldName = "FloatVectorField"
Int64FieldID = common.StartOfUserFieldID + 1
FloatVectorFieldID = common.StartOfUserFieldID + 2
)
Int64Array := []int64{11, 22}
FloatVector := []float32{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0}
var fieldDataArray1 []*schemapb.FieldData
fieldDataArray1 = append(fieldDataArray1, genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64, Int64Array[0:2], 1))
fieldDataArray1 = append(fieldDataArray1, genFieldData(FloatVectorFieldName, FloatVectorFieldID, schemapb.DataType_FloatVector, FloatVector[0:16], Dim))
var fieldDataArray2 []*schemapb.FieldData
fieldDataArray2 = append(fieldDataArray2, genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64, Int64Array[0:2], 1))
fieldDataArray2 = append(fieldDataArray2, genFieldData(FloatVectorFieldName, FloatVectorFieldID, schemapb.DataType_FloatVector, FloatVector[0:16], Dim))
suite.Run("test skip dupPK 2", func() {
result1 := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
},
},
},
Offset: []int64{0, 1},
FieldsData: fieldDataArray1,
}
result2 := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
},
},
},
Offset: []int64{0, 1},
FieldsData: fieldDataArray2,
}
result, err := MergeSegcoreRetrieveResults(context.Background(), []*segcorepb.RetrieveResults{result1, result2}, typeutil.Unlimited)
suite.NoError(err)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]int64{0, 1}, result.GetIds().GetIntId().GetData())
suite.Equal(Int64Array, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(FloatVector, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
})
suite.Run("test nil results", func() {
ret, err := MergeSegcoreRetrieveResults(context.Background(), nil, typeutil.Unlimited)
suite.NoError(err)
suite.Empty(ret.GetIds())
suite.Empty(ret.GetFieldsData())
})
suite.Run("test no offset", func() {
r := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
},
},
},
FieldsData: fieldDataArray1,
}
ret, err := MergeSegcoreRetrieveResults(context.Background(), []*segcorepb.RetrieveResults{r}, typeutil.Unlimited)
suite.NoError(err)
suite.Empty(ret.GetIds())
suite.Empty(ret.GetFieldsData())
})
suite.Run("test merge", func() {
r1 := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{1, 3},
},
},
},
Offset: []int64{0, 1},
FieldsData: fieldDataArray1,
}
r2 := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{2, 4},
},
},
},
Offset: []int64{0, 1},
FieldsData: fieldDataArray2,
}
resultFloat := []float32{
1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0,
11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0}
suite.Run("test limited", func() {
tests := []struct {
description string
limit int64
}{
{"limit 1", 1},
{"limit 2", 2},
{"limit 3", 3},
{"limit 4", 4},
}
resultIDs := []int64{1, 2, 3, 4}
resultField0 := []int64{11, 11, 22, 22}
for _, test := range tests {
suite.Run(test.description, func() {
result, err := MergeSegcoreRetrieveResults(context.Background(), []*segcorepb.RetrieveResults{r1, r2}, test.limit)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal(int(test.limit), len(result.GetIds().GetIntId().GetData()))
suite.Equal(resultIDs[0:test.limit], result.GetIds().GetIntId().GetData())
suite.Equal(resultField0[0:test.limit], result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat[0:test.limit*Dim], result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
}
})
suite.Run("test int ID", func() {
result, err := MergeSegcoreRetrieveResults(context.Background(), []*segcorepb.RetrieveResults{r1, r2}, typeutil.Unlimited)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]int64{1, 2, 3, 4}, result.GetIds().GetIntId().GetData())
suite.Equal([]int64{11, 11, 22, 22}, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
suite.Run("test string ID", func() {
r1.Ids = &schemapb.IDs{
IdField: &schemapb.IDs_StrId{
StrId: &schemapb.StringArray{
Data: []string{"a", "c"},
}}}
r2.Ids = &schemapb.IDs{
IdField: &schemapb.IDs_StrId{
StrId: &schemapb.StringArray{
Data: []string{"b", "d"},
}}}
result, err := MergeSegcoreRetrieveResults(context.Background(), []*segcorepb.RetrieveResults{r1, r2}, typeutil.Unlimited)
suite.NoError(err)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]string{"a", "b", "c", "d"}, result.GetIds().GetStrId().GetData())
suite.Equal([]int64{11, 11, 22, 22}, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
})
}
func (suite *ResultSuite) TestResult_MergeInternalRetrieveResults() {
const (
Dim = 8
Int64FieldName = "Int64Field"
FloatVectorFieldName = "FloatVectorField"
Int64FieldID = common.StartOfUserFieldID + 1
FloatVectorFieldID = common.StartOfUserFieldID + 2
)
Int64Array := []int64{11, 22}
FloatVector := []float32{1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0}
var fieldDataArray1 []*schemapb.FieldData
fieldDataArray1 = append(fieldDataArray1, genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64, Int64Array[0:2], 1))
fieldDataArray1 = append(fieldDataArray1, genFieldData(FloatVectorFieldName, FloatVectorFieldID, schemapb.DataType_FloatVector, FloatVector[0:16], Dim))
var fieldDataArray2 []*schemapb.FieldData
fieldDataArray2 = append(fieldDataArray2, genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64, Int64Array[0:2], 1))
fieldDataArray2 = append(fieldDataArray2, genFieldData(FloatVectorFieldName, FloatVectorFieldID, schemapb.DataType_FloatVector, FloatVector[0:16], Dim))
suite.Run("test skip dupPK 2", func() {
result1 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
},
},
},
FieldsData: fieldDataArray1,
}
result2 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
},
},
},
FieldsData: fieldDataArray2,
}
result, err := MergeInternalRetrieveResult(context.Background(), []*internalpb.RetrieveResults{result1, result2}, typeutil.Unlimited)
suite.NoError(err)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]int64{0, 1}, result.GetIds().GetIntId().GetData())
suite.Equal(Int64Array, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(FloatVector, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
})
suite.Run("test nil results", func() {
ret, err := MergeInternalRetrieveResult(context.Background(), nil, typeutil.Unlimited)
suite.NoError(err)
suite.Empty(ret.GetIds())
suite.Empty(ret.GetFieldsData())
})
suite.Run("test timestamp decided", func() {
ret1 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
}},
},
FieldsData: []*schemapb.FieldData{
genFieldData(common.TimeStampFieldName, common.TimeStampField, schemapb.DataType_Int64,
[]int64{1, 2}, 1),
genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64,
[]int64{3, 4}, 1),
},
}
ret2 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{0, 1},
}},
},
FieldsData: []*schemapb.FieldData{
genFieldData(common.TimeStampFieldName, common.TimeStampField, schemapb.DataType_Int64,
[]int64{5, 6}, 1),
genFieldData(Int64FieldName, Int64FieldID, schemapb.DataType_Int64,
[]int64{7, 8}, 1),
},
}
result, err := MergeInternalRetrieveResult(context.Background(), []*internalpb.RetrieveResults{ret1, ret2}, typeutil.Unlimited)
suite.NoError(err)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]int64{0, 1}, result.GetIds().GetIntId().GetData())
suite.Equal([]int64{7, 8}, result.GetFieldsData()[1].GetScalars().GetLongData().Data)
})
suite.Run("test merge", func() {
r1 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{1, 3},
},
},
},
FieldsData: fieldDataArray1,
}
r2 := &internalpb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{2, 4},
},
},
},
FieldsData: fieldDataArray2,
}
resultFloat := []float32{
1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0,
11.0, 22.0, 33.0, 44.0, 55.0, 66.0, 77.0, 88.0}
suite.Run("test limited", func() {
tests := []struct {
description string
limit int64
}{
{"limit 1", 1},
{"limit 2", 2},
{"limit 3", 3},
{"limit 4", 4},
}
resultIDs := []int64{1, 2, 3, 4}
resultField0 := []int64{11, 11, 22, 22}
for _, test := range tests {
suite.Run(test.description, func() {
result, err := MergeInternalRetrieveResult(context.Background(), []*internalpb.RetrieveResults{r1, r2}, test.limit)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal(int(test.limit), len(result.GetIds().GetIntId().GetData()))
suite.Equal(resultIDs[0:test.limit], result.GetIds().GetIntId().GetData())
suite.Equal(resultField0[0:test.limit], result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat[0:test.limit*Dim], result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
}
})
suite.Run("test int ID", func() {
result, err := MergeInternalRetrieveResult(context.Background(), []*internalpb.RetrieveResults{r1, r2}, typeutil.Unlimited)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]int64{1, 2, 3, 4}, result.GetIds().GetIntId().GetData())
suite.Equal([]int64{11, 11, 22, 22}, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
suite.Run("test string ID", func() {
r1.Ids = &schemapb.IDs{
IdField: &schemapb.IDs_StrId{
StrId: &schemapb.StringArray{
Data: []string{"a", "c"},
},
},
}
r2.Ids = &schemapb.IDs{
IdField: &schemapb.IDs_StrId{
StrId: &schemapb.StringArray{
Data: []string{"b", "d"},
},
},
}
result, err := MergeInternalRetrieveResult(context.Background(), []*internalpb.RetrieveResults{r1, r2}, typeutil.Unlimited)
suite.NoError(err)
suite.Equal(2, len(result.GetFieldsData()))
suite.Equal([]string{"a", "b", "c", "d"}, result.GetIds().GetStrId().GetData())
suite.Equal([]int64{11, 11, 22, 22}, result.GetFieldsData()[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice(resultFloat, result.FieldsData[1].GetVectors().GetFloatVector().Data, 10e-10)
suite.NoError(err)
})
})
}
func (suite *ResultSuite) TestResult_ReduceSearchResultData() {
const (
nq = 1
topk = 4
metricType = "L2"
)
suite.Run("case1", func() {
ids := []int64{1, 2, 3, 4}
scores := []float32{-1.0, -2.0, -3.0, -4.0}
topks := []int64{int64(len(ids))}
data1 := genSearchResultData(nq, topk, ids, scores, topks)
data2 := genSearchResultData(nq, topk, ids, scores, topks)
dataArray := make([]*schemapb.SearchResultData, 0)
dataArray = append(dataArray, data1)
dataArray = append(dataArray, data2)
res, err := ReduceSearchResultData(context.TODO(), dataArray, nq, topk)
suite.Nil(err)
suite.Equal(ids, res.Ids.GetIntId().Data)
suite.Equal(scores, res.Scores)
})
suite.Run("case2", func() {
ids1 := []int64{1, 2, 3, 4}
scores1 := []float32{-1.0, -2.0, -3.0, -4.0}
topks1 := []int64{int64(len(ids1))}
ids2 := []int64{5, 1, 3, 4}
scores2 := []float32{-1.0, -1.0, -3.0, -4.0}
topks2 := []int64{int64(len(ids2))}
data1 := genSearchResultData(nq, topk, ids1, scores1, topks1)
data2 := genSearchResultData(nq, topk, ids2, scores2, topks2)
dataArray := make([]*schemapb.SearchResultData, 0)
dataArray = append(dataArray, data1)
dataArray = append(dataArray, data2)
res, err := ReduceSearchResultData(context.TODO(), dataArray, nq, topk)
suite.Nil(err)
suite.ElementsMatch([]int64{1, 5, 2, 3}, res.Ids.GetIntId().Data)
})
}
func (suite *ResultSuite) TestResult_SelectSearchResultData_int() {
type args struct {
dataArray []*schemapb.SearchResultData
resultOffsets [][]int64
offsets []int64
topk int64
nq int64
qi int64
}
suite.Run("Integer ID", func() {
tests := []struct {
name string
args args
want int
}{
{
args: args{
dataArray: []*schemapb.SearchResultData{
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{11, 9, 7, 5, 3, 1},
},
},
},
Scores: []float32{1.1, 0.9, 0.7, 0.5, 0.3, 0.1},
Topks: []int64{2, 2, 2},
},
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{12, 10, 8, 6, 4, 2},
},
},
},
Scores: []float32{1.2, 1.0, 0.8, 0.6, 0.4, 0.2},
Topks: []int64{2, 2, 2},
},
},
resultOffsets: [][]int64{{0, 2, 4}, {0, 2, 4}},
offsets: []int64{0, 1},
topk: 2,
nq: 3,
qi: 0,
},
want: 0,
},
}
for _, tt := range tests {
suite.Run(tt.name, func() {
if got := SelectSearchResultData(tt.args.dataArray, tt.args.resultOffsets, tt.args.offsets, tt.args.qi); got != tt.want {
suite.T().Errorf("SelectSearchResultData() = %v, want %v", got, tt.want)
}
})
}
})
suite.Run("Integer ID with bad score", func() {
tests := []struct {
name string
args args
want int
}{
{
args: args{
dataArray: []*schemapb.SearchResultData{
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{11, 9, 7, 5, 3, 1},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{12, 10, 8, 6, 4, 2},
},
},
},
Scores: []float32{-math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32, -math.MaxFloat32},
Topks: []int64{2, 2, 2},
},
},
resultOffsets: [][]int64{{0, 2, 4}, {0, 2, 4}},
offsets: []int64{0, 1},
topk: 2,
nq: 3,
qi: 0,
},
want: -1,
},
}
for _, tt := range tests {
suite.Run(tt.name, func() {
if got := SelectSearchResultData(tt.args.dataArray, tt.args.resultOffsets, tt.args.offsets, tt.args.qi); got != tt.want {
suite.T().Errorf("SelectSearchResultData() = %v, want %v", got, tt.want)
}
})
}
})
}
func (suite *ResultSuite) TestSort() {
result := &segcorepb.RetrieveResults{
Ids: &schemapb.IDs{
IdField: &schemapb.IDs_IntId{
IntId: &schemapb.LongArray{
Data: []int64{5, 4, 3, 2, 9, 8, 7, 6},
}},
},
Offset: []int64{5, 4, 3, 2, 9, 8, 7, 6},
FieldsData: []*schemapb.FieldData{
genFieldData("int64 field", 100, schemapb.DataType_Int64,
[]int64{5, 4, 3, 2, 9, 8, 7, 6}, 1),
genFieldData("double field", 101, schemapb.DataType_Double,
[]float64{5, 4, 3, 2, 9, 8, 7, 6}, 1),
genFieldData("string field", 102, schemapb.DataType_VarChar,
[]string{"5", "4", "3", "2", "9", "8", "7", "6"}, 1),
genFieldData("bool field", 103, schemapb.DataType_Bool,
[]bool{false, true, false, true, false, true, false, true}, 1),
genFieldData("float field", 104, schemapb.DataType_Float,
[]float32{5, 4, 3, 2, 9, 8, 7, 6}, 1),
genFieldData("int field", 105, schemapb.DataType_Int32,
[]int32{5, 4, 3, 2, 9, 8, 7, 6}, 1),
genFieldData("float vector field", 106, schemapb.DataType_FloatVector,
[]float32{5, 4, 3, 2, 9, 8, 7, 6}, 1),
genFieldData("binary vector field", 107, schemapb.DataType_BinaryVector,
[]byte{5, 4, 3, 2, 9, 8, 7, 6}, 8),
},
}
sort.Sort(&byPK{result})
suite.Equal([]int64{2, 3, 4, 5, 6, 7, 8, 9}, result.GetIds().GetIntId().GetData())
suite.Equal([]int64{2, 3, 4, 5, 6, 7, 8, 9}, result.GetOffset())
suite.Equal([]int64{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[0].GetScalars().GetLongData().Data)
suite.InDeltaSlice([]float64{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[1].GetScalars().GetDoubleData().Data, 10e-10)
suite.Equal([]string{"2", "3", "4", "5", "6", "7", "8", "9"}, result.FieldsData[2].GetScalars().GetStringData().Data)
suite.Equal([]bool{true, false, true, false, true, false, true, false}, result.FieldsData[3].GetScalars().GetBoolData().Data)
suite.InDeltaSlice([]float32{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[4].GetScalars().GetFloatData().Data, 10e-10)
suite.Equal([]int32{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[5].GetScalars().GetIntData().Data)
suite.InDeltaSlice([]float32{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[6].GetVectors().GetFloatVector().GetData(), 10e-10)
suite.Equal([]byte{2, 3, 4, 5, 6, 7, 8, 9}, result.FieldsData[7].GetVectors().GetBinaryVector())
}
func TestResult_MergeRequestCost(t *testing.T) {
costs := []*internalpb.CostAggregation{
{
ResponseTime: 11,
ServiceTime: 12,
TotalNQ: 13,
},
{
ResponseTime: 21,
ServiceTime: 22,
TotalNQ: 23,
},
{
ResponseTime: 31,
ServiceTime: 32,
TotalNQ: 33,
},
{
ResponseTime: 41,
ServiceTime: 42,
TotalNQ: 43,
},
}
channelCost := mergeRequestCost(costs)
assert.Equal(t, int64(41), channelCost.ResponseTime)
assert.Equal(t, int64(42), channelCost.ServiceTime)
assert.Equal(t, int64(43), channelCost.TotalNQ)
}
func TestResult(t *testing.T) {
suite.Run(t, new(ResultSuite))
}