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https://gitee.com/milvus-io/milvus.git
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258 lines
7.5 KiB
Go
258 lines
7.5 KiB
Go
//go:build linux
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// +build linux
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package indexcgowrapper
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import (
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"strconv"
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"testing"
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"github.com/milvus-io/milvus/api/schemapb"
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"github.com/stretchr/testify/assert"
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)
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const (
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// index type
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IndexFaissIDMap = "FLAT"
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IndexFaissIVFFlat = "IVF_FLAT"
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IndexFaissIVFPQ = "IVF_PQ"
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IndexFaissIVFSQ8 = "IVF_SQ8"
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IndexFaissBinIDMap = "BIN_FLAT"
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IndexFaissBinIVFFlat = "BIN_IVF_FLAT"
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IndexHNSW = "HNSW"
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IndexANNOY = "ANNOY"
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// metric type
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L2 = "L2"
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IP = "IP"
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hamming = "HAMMING"
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Jaccard = "JACCARD"
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tanimoto = "TANIMOTO"
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dim = 8
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nlist = 100
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m = 4
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nbits = 8
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nb = 1000
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sliceSize = 4
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efConstruction = 200
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ef = 200
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)
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type vecTestCase struct {
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indexType string
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metricType string
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isBinary bool
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dtype schemapb.DataType
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}
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func generateFloatVectorTestCases() []vecTestCase {
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return []vecTestCase{
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{IndexFaissIDMap, L2, false, schemapb.DataType_FloatVector},
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{IndexFaissIDMap, IP, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFFlat, L2, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFFlat, IP, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFPQ, L2, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFPQ, IP, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFSQ8, L2, false, schemapb.DataType_FloatVector},
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{IndexFaissIVFSQ8, IP, false, schemapb.DataType_FloatVector},
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{IndexHNSW, L2, false, schemapb.DataType_FloatVector},
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{IndexHNSW, IP, false, schemapb.DataType_FloatVector},
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{IndexANNOY, L2, false, schemapb.DataType_FloatVector},
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{IndexANNOY, IP, false, schemapb.DataType_FloatVector},
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}
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}
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func generateBinaryVectorTestCases() []vecTestCase {
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return []vecTestCase{
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{IndexFaissBinIVFFlat, Jaccard, true, schemapb.DataType_BinaryVector},
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{IndexFaissBinIVFFlat, hamming, true, schemapb.DataType_BinaryVector},
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{IndexFaissBinIVFFlat, tanimoto, true, schemapb.DataType_BinaryVector},
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{IndexFaissBinIDMap, Jaccard, true, schemapb.DataType_BinaryVector},
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{IndexFaissBinIDMap, hamming, true, schemapb.DataType_BinaryVector},
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}
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}
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func generateTestCases() []vecTestCase {
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return append(generateFloatVectorTestCases(), generateBinaryVectorTestCases()...)
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}
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func generateParams(indexType, metricType string) (map[string]string, map[string]string) {
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typeParams := make(map[string]string)
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indexParams := make(map[string]string)
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indexParams["index_type"] = indexType
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indexParams["metric_type"] = metricType
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if indexType == IndexFaissIDMap { // float vector
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["SLICE_SIZE"] = strconv.Itoa(sliceSize)
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} else if indexType == IndexFaissIVFFlat {
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["nlist"] = strconv.Itoa(nlist)
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} else if indexType == IndexFaissIVFPQ {
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["nlist"] = strconv.Itoa(nlist)
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indexParams["m"] = strconv.Itoa(m)
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indexParams["nbits"] = strconv.Itoa(nbits)
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indexParams["SLICE_SIZE"] = strconv.Itoa(sliceSize)
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} else if indexType == IndexFaissIVFSQ8 {
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["nlist"] = strconv.Itoa(nlist)
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indexParams["nbits"] = strconv.Itoa(nbits)
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indexParams["SLICE_SIZE"] = strconv.Itoa(sliceSize)
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} else if indexType == IndexHNSW {
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["M"] = strconv.Itoa(16)
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indexParams["efConstruction"] = strconv.Itoa(efConstruction)
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indexParams["ef"] = strconv.Itoa(ef)
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} else if indexType == IndexANNOY {
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["n_trees"] = strconv.Itoa(4)
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indexParams["search_k"] = strconv.Itoa(100)
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indexParams["SLICE_SIZE"] = strconv.Itoa(sliceSize)
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} else if indexType == IndexFaissBinIVFFlat { // binary vector
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indexParams["dim"] = strconv.Itoa(dim)
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indexParams["nlist"] = strconv.Itoa(nlist)
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indexParams["m"] = strconv.Itoa(m)
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indexParams["nbits"] = strconv.Itoa(nbits)
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indexParams["SLICE_SIZE"] = strconv.Itoa(sliceSize)
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} else if indexType == IndexFaissBinIDMap {
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indexParams["dim"] = strconv.Itoa(dim)
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} else {
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panic("")
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}
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return typeParams, indexParams
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}
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func TestCIndex_New(t *testing.T) {
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for _, c := range generateTestCases() {
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typeParams, indexParams := generateParams(c.indexType, c.metricType)
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index, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.Equal(t, err, nil)
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assert.NotEqual(t, index, nil)
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err = index.Delete()
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assert.Equal(t, err, nil)
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}
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}
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func TestCIndex_BuildFloatVecIndex(t *testing.T) {
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for _, c := range generateFloatVectorTestCases() {
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typeParams, indexParams := generateParams(c.indexType, c.metricType)
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index, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.Equal(t, err, nil)
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assert.NotEqual(t, index, nil)
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vectors := generateFloatVectors(nb, dim)
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err = index.Build(GenFloatVecDataset(vectors))
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assert.Equal(t, err, nil)
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err = index.Delete()
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assert.Equal(t, err, nil)
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}
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}
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func TestCIndex_BuildBinaryVecIndex(t *testing.T) {
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for _, c := range generateBinaryVectorTestCases() {
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typeParams, indexParams := generateParams(c.indexType, c.metricType)
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index, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.Equal(t, err, nil)
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assert.NotEqual(t, index, nil)
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vectors := generateBinaryVectors(nb, dim)
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err = index.Build(GenBinaryVecDataset(vectors))
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assert.Equal(t, err, nil)
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err = index.Delete()
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assert.Equal(t, err, nil)
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}
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}
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func TestCIndex_Codec(t *testing.T) {
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for _, c := range generateTestCases() {
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typeParams, indexParams := generateParams(c.indexType, c.metricType)
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index, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.Equal(t, err, nil)
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assert.NotEqual(t, index, nil)
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if !c.isBinary {
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vectors := generateFloatVectors(nb, dim)
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err = index.Build(GenFloatVecDataset(vectors))
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assert.Equal(t, err, nil)
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} else {
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vectors := generateBinaryVectors(nb, dim)
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err = index.Build(GenBinaryVecDataset(vectors))
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assert.Equal(t, err, nil)
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}
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blobs, err := index.Serialize()
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assert.Equal(t, err, nil)
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copyIndex, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.NotEqual(t, copyIndex, nil)
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assert.Equal(t, err, nil)
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err = copyIndex.Load(blobs)
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assert.Equal(t, err, nil)
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copyBlobs, err := copyIndex.Serialize()
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assert.Equal(t, err, nil)
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assert.Equal(t, len(blobs), len(copyBlobs))
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// TODO: check key, value and more
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err = index.Delete()
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assert.Equal(t, err, nil)
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err = copyIndex.Delete()
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assert.Equal(t, err, nil)
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}
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}
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func TestCIndex_Delete(t *testing.T) {
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for _, c := range generateTestCases() {
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typeParams, indexParams := generateParams(c.indexType, c.metricType)
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index, err := NewCgoIndex(c.dtype, typeParams, indexParams)
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assert.Equal(t, err, nil)
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assert.NotEqual(t, index, nil)
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err = index.Delete()
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assert.Equal(t, err, nil)
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}
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}
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func TestCIndex_Error(t *testing.T) {
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indexPtr, err := NewCgoIndex(schemapb.DataType_FloatVector, nil, nil)
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assert.Nil(t, err)
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t.Run("Serialize error", func(t *testing.T) {
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blobs, err := indexPtr.Serialize()
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assert.NotNil(t, err)
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assert.Nil(t, blobs)
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})
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t.Run("Load error", func(t *testing.T) {
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blobs := []*Blob{{
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Key: "test",
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Value: []byte("value"),
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},
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}
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err = indexPtr.Load(blobs)
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assert.NotNil(t, err)
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})
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t.Run("BuildFloatVecIndexWithoutIds error", func(t *testing.T) {
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floatVectors := []float32{1.1, 2.2, 3.3}
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err = indexPtr.Build(GenFloatVecDataset(floatVectors))
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assert.NotNil(t, err)
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})
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t.Run("BuildBinaryVecIndexWithoutIds error", func(t *testing.T) {
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binaryVectors := []byte("binaryVectors")
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err = indexPtr.Build(GenBinaryVecDataset(binaryVectors))
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assert.NotNil(t, err)
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})
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}
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