mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-06 17:18:35 +08:00
490a618c30
issue: https://github.com/milvus-io/milvus/issues/44585 Signed-off-by: zhenshan.cao <zhenshan.cao@zilliz.com>
481 lines
12 KiB
Go
481 lines
12 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package numpy
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import (
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"bytes"
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"encoding/binary"
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"io"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"golang.org/x/text/encoding/simplifiedchinese"
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"golang.org/x/text/transform"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
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"github.com/milvus-io/milvus/internal/util/testutil"
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"github.com/milvus-io/milvus/pkg/v2/common"
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"github.com/milvus-io/milvus/pkg/v2/util/merr"
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)
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func encodeToGB2312(input string) ([]byte, error) {
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encoder := simplifiedchinese.GB18030.NewEncoder() // GB18030 is compatible with GB2312.
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var buf bytes.Buffer
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writer := transform.NewWriter(&buf, encoder)
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_, err := writer.Write([]byte(input))
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if err != nil {
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return nil, err
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}
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return buf.Bytes(), nil
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}
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func WriteNonUTF8Npy() io.Reader {
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// Use bytes.Buffer instead of writing to a file
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var buffer bytes.Buffer
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// Step 1: Write Magic Number and version
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buffer.Write([]byte{0x93, 'N', 'U', 'M', 'P', 'Y'})
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buffer.Write([]byte{1, 0}) // Numpy 1.0 version
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// Step 2: Construct the header (using '|S20' for 20-byte fixed-length strings)
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header := "{'descr': '|S20', 'fortran_order': False, 'shape': (6,), }"
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headerBytes := []byte(header)
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// Pad the header to align its length to a multiple of 64 bytes
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padding := 64 - (10+len(headerBytes)+1)%64
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headerBytes = append(headerBytes, make([]byte, padding)...)
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headerBytes = append(headerBytes, '\n')
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// Write the header length and the header itself
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binary.Write(&buffer, binary.LittleEndian, uint16(len(headerBytes)))
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buffer.Write(headerBytes)
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// Step 3: Write non-UTF-8 string data (e.g., Latin1 encoded)
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testStrings := []string{
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"hello, vector database", // valid utf-8
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string([]byte{0xC3, 0xA9, 0xB5, 0xF1}), // Latin1 encoded "éµñ"
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string([]byte{0xB0, 0xE1, 0xF2, 0xBD}), // Random non-UTF-8 data
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string([]byte{0xD2, 0xA9, 0xC8, 0xFC}), // Another set of non-UTF-8 data
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}
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for _, str := range testStrings {
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data := make([]byte, 20)
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copy(data, str)
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buffer.Write(data)
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}
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// Step 4: Encode and write GB-2312 Chinese strings
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chineseStrings := []string{
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"你好，世界", // "Hello, World"
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"向量数据库", // "Data Storage"
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}
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for _, str := range chineseStrings {
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gb2312Data, err := encodeToGB2312(str)
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if err != nil {
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panic(err)
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}
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data := make([]byte, 20)
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copy(data, gb2312Data)
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buffer.Write(data)
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}
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// Step 5: Convert buffer to a reader to simulate file reading
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reader := bytes.NewReader(buffer.Bytes())
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return reader
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}
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func TestInvalidUTF8(t *testing.T) {
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fieldSchema := &schemapb.FieldSchema{
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FieldID: 100,
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Name: "str",
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DataType: schemapb.DataType_VarChar,
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TypeParams: []*commonpb.KeyValuePair{{Key: "max_length", Value: "256"}},
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}
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reader := WriteNonUTF8Npy()
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fr, err := NewFieldReader(reader, fieldSchema, common.DefaultTimezone)
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assert.NoError(t, err)
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_, _, err = fr.Next(int64(6))
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assert.Error(t, err)
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assert.True(t, strings.Contains(err.Error(), "contains invalid UTF-8 data"))
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}
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func WriteNormalNpy() io.Reader {
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// Use bytes.Buffer instead of writing to a file
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var buffer bytes.Buffer
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// Step 1: Write Magic Number and version
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buffer.Write([]byte{0x93, 'N', 'U', 'M', 'P', 'Y'})
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buffer.Write([]byte{1, 0}) // Numpy 1.0 version
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// Step 2: Construct the header (using '|S20' for 20-byte fixed-length strings)
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header := "{'descr': '<U17', 'fortran_order': False, 'shape': (5,), }"
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headerBytes := []byte(header)
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// Pad the header to align its length to a multiple of 64 bytes
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padding := 64 - (10+len(headerBytes)+1)%64
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headerBytes = append(headerBytes, make([]byte, padding)...)
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headerBytes = append(headerBytes, '\n')
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// Write the header length and the header itself
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binary.Write(&buffer, binary.LittleEndian, uint16(len(headerBytes)))
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buffer.Write(headerBytes)
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// Step 3: Write non-UTF-8 string data (e.g., Latin1 encoded)
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testStrings := []string{
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"this is varchar 0",
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"this is varchar 1",
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"this is varchar 2",
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"this is varchar 3",
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"this is varchar 4",
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}
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for _, str := range testStrings {
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data := make([]byte, 20)
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copy(data, str)
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buffer.Write(data)
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}
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// Step 4: Convert buffer to a reader to simulate file reading
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reader := bytes.NewReader(buffer.Bytes())
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return reader
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}
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func TestNormalRead(t *testing.T) {
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checkFn := func(nullable bool) {
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fieldSchema := &schemapb.FieldSchema{
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FieldID: 100,
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Name: "str",
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DataType: schemapb.DataType_VarChar,
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TypeParams: []*commonpb.KeyValuePair{{Key: "max_length", Value: "256"}},
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Nullable: nullable,
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}
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reader := WriteNormalNpy()
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fr, err := NewFieldReader(reader, fieldSchema, common.DefaultTimezone)
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assert.NoError(t, err)
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data, validData, err := fr.Next(int64(6))
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assert.NoError(t, err)
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values, ok := data.([]string)
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assert.True(t, ok)
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assert.Equal(t, 5, len(values))
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if nullable {
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assert.NotNil(t, validData)
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valids, ok := validData.([]bool)
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assert.True(t, ok)
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assert.Equal(t, len(values), len(valids))
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} else {
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assert.Nil(t, validData)
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}
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}
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checkFn(false)
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checkFn(true)
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}
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type ErrReader struct {
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Err error
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}
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func (r *ErrReader) Read(p []byte) (n int, err error) {
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if r.Err != nil {
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return 0, r.Err
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} else {
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return 1, nil
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}
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}
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func TestNumpyFieldReaderError(t *testing.T) {
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errReader := &ErrReader{
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Err: merr.WrapErrImportFailed("failed"),
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}
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// read header error
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_, err := NewFieldReader(errReader, &schemapb.FieldSchema{
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FieldID: 100,
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Name: "str",
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DataType: schemapb.DataType_VarChar,
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TypeParams: []*commonpb.KeyValuePair{{Key: "max_length", Value: "256"}},
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}, common.DefaultTimezone)
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assert.Error(t, err)
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// read values error
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tests := []struct {
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name string
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fieldSchema *schemapb.FieldSchema
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timezone string
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}{
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{
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name: "read bool error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "bool",
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DataType: schemapb.DataType_Bool,
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},
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},
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{
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name: "read int8 error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "int8",
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DataType: schemapb.DataType_Int8,
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},
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},
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{
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name: "read int16 error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "int16",
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DataType: schemapb.DataType_Int16,
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},
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},
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{
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name: "read int32 error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "int32",
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DataType: schemapb.DataType_Int32,
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},
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},
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{
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name: "read int64 error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "int64",
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DataType: schemapb.DataType_Int64,
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},
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},
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{
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name: "read float error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "float",
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DataType: schemapb.DataType_Float,
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},
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},
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{
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name: "read double error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "double",
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DataType: schemapb.DataType_Double,
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},
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},
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{
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name: "read varchar error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "varchar",
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DataType: schemapb.DataType_VarChar,
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TypeParams: []*commonpb.KeyValuePair{{Key: "max_length", Value: "32"}},
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},
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},
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{
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name: "read json error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "json",
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DataType: schemapb.DataType_JSON,
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},
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},
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{
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name: "read geometry error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "geometry",
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DataType: schemapb.DataType_Geometry,
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},
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},
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{
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name: "read geometry error",
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fieldSchema: &schemapb.FieldSchema{
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FieldID: 100,
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Name: "geometry",
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DataType: schemapb.DataType_Geometry,
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},
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timezone: "Asia/Shanghai",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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schema := &schemapb.CollectionSchema{
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Fields: []*schemapb.FieldSchema{tt.fieldSchema},
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}
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insertData, err := testutil.CreateInsertData(schema, 3)
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assert.NoError(t, err)
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fieldData := insertData.Data[tt.fieldSchema.FieldID]
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reader, err := createReader(fieldData, tt.fieldSchema.DataType)
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assert.NoError(t, err)
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tz := common.DefaultTimezone
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if len(tt.timezone) > 0 {
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tz = tt.timezone
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}
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fieldReader, err := NewFieldReader(reader, tt.fieldSchema, tz)
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assert.NoError(t, err)
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fieldReader.reader = errReader
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data, validData, err := fieldReader.Next(5)
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assert.Error(t, err)
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assert.Nil(t, data)
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assert.Nil(t, validData)
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})
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}
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}
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func TestNumpyValidateHeaderError(t *testing.T) {
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tests := []struct {
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name string
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numpyType schemapb.DataType
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fieldType schemapb.DataType
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}{
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{
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name: "bool numpy int8 field",
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numpyType: schemapb.DataType_Bool,
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fieldType: schemapb.DataType_Int8,
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},
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{
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name: "bool numpy int16 field",
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numpyType: schemapb.DataType_Bool,
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fieldType: schemapb.DataType_Int16,
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},
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{
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name: "float numpy int32 field",
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numpyType: schemapb.DataType_Float,
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fieldType: schemapb.DataType_Int32,
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},
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{
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name: "double numpy int64 field",
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numpyType: schemapb.DataType_Double,
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fieldType: schemapb.DataType_Int64,
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},
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{
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name: "int8 numpy float field",
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numpyType: schemapb.DataType_Int8,
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fieldType: schemapb.DataType_Float,
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},
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{
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name: "bool numpy double field",
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numpyType: schemapb.DataType_Bool,
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fieldType: schemapb.DataType_Double,
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},
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{
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name: "bool numpy varchar field",
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numpyType: schemapb.DataType_Bool,
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fieldType: schemapb.DataType_VarChar,
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},
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{
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name: "bin vector numpy float vector field",
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numpyType: schemapb.DataType_BinaryVector,
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fieldType: schemapb.DataType_FloatVector,
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},
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{
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name: "float vector numpy bin vector field",
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numpyType: schemapb.DataType_FloatVector,
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fieldType: schemapb.DataType_BinaryVector,
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},
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{
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name: "bin vector numpy int8 vector field",
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numpyType: schemapb.DataType_BinaryVector,
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fieldType: schemapb.DataType_Int8Vector,
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},
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{
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name: "int8 vector numpy float16 vector field",
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numpyType: schemapb.DataType_Int8Vector,
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fieldType: schemapb.DataType_Float16Vector,
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},
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{
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name: "int8 vector dim error",
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numpyType: schemapb.DataType_Int8Vector,
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fieldType: schemapb.DataType_Int8Vector,
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},
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{
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name: "bin vector dim error",
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numpyType: schemapb.DataType_BinaryVector,
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fieldType: schemapb.DataType_BinaryVector,
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},
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{
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name: "float vector dim error",
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numpyType: schemapb.DataType_FloatVector,
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fieldType: schemapb.DataType_FloatVector,
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},
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{
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name: "bfloat16 vector dim error",
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numpyType: schemapb.DataType_BFloat16Vector,
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fieldType: schemapb.DataType_BFloat16Vector,
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},
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{
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name: "float vector shape error",
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numpyType: schemapb.DataType_Float,
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fieldType: schemapb.DataType_FloatVector,
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},
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{
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name: "int8 vector shape error",
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numpyType: schemapb.DataType_Int8,
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fieldType: schemapb.DataType_Int8Vector,
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},
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{
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name: "sparse vector not support",
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numpyType: schemapb.DataType_Int8,
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fieldType: schemapb.DataType_SparseFloatVector,
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},
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}
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fieldID := int64(100)
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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schema := &schemapb.CollectionSchema{
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Fields: []*schemapb.FieldSchema{
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{
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FieldID: fieldID,
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Name: "dummy",
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DataType: tt.numpyType,
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TypeParams: []*commonpb.KeyValuePair{
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{
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Key: "max_length",
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Value: "256",
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},
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{
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Key: "dim",
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Value: "16",
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},
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},
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},
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},
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}
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insertData, err := testutil.CreateInsertData(schema, 3)
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assert.NoError(t, err)
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fieldData := insertData.Data[fieldID]
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reader, err := createReader(fieldData, tt.numpyType)
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assert.NoError(t, err)
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schema.Fields[0].DataType = tt.fieldType
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schema.Fields[0].TypeParams[1].Value = "32"
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fieldReader, err := NewFieldReader(reader, schema.Fields[0], common.DefaultTimezone)
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assert.Error(t, err)
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assert.Nil(t, fieldReader)
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})
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}
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}
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