mirror of
https://github.com/pgsty/minio.git
synced 2026-09-17 15:58:26 +03:00
Feng Ruohang
72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
// Copyright (c) 2026 Feng Ruohang
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package s3select
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"testing"
|
|
"testing/iotest"
|
|
|
|
"github.com/pierrec/lz4/v4"
|
|
)
|
|
|
|
func TestLZ4Input(t *testing.T) {
|
|
request := []byte(`<SelectObjectContentRequest>
|
|
<Expression>SELECT * FROM S3Object</Expression><ExpressionType>SQL</ExpressionType>
|
|
<InputSerialization><CompressionType>LZ4</CompressionType><CSV><FileHeaderInfo>NONE</FileHeaderInfo></CSV></InputSerialization>
|
|
<OutputSerialization><CSV/></OutputSerialization></SelectObjectContentRequest>`)
|
|
for _, input := range []string{"", "one,1\ntwo,2\n"} {
|
|
t.Run(input, func(t *testing.T) {
|
|
var compressed bytes.Buffer
|
|
writer := lz4.NewWriter(&compressed)
|
|
if _, err := io.WriteString(writer, input); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := writer.Close(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
got, err := evaluateSelectForTest(t, request, compressed.Bytes())
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if string(got) != input {
|
|
t.Fatalf("result=%q, want %q", got, input)
|
|
}
|
|
|
|
reader, err := newProgressReader(io.NopCloser(iotest.OneByteReader(bytes.NewReader(compressed.Bytes()))), lz4Type)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
t.Cleanup(func() { _ = reader.Close() })
|
|
got, err = io.ReadAll(reader)
|
|
if err != nil || string(got) != input {
|
|
t.Fatalf("fragmented input: result=%q, err=%v", got, err)
|
|
}
|
|
scanned, processed := reader.Stats()
|
|
if scanned != int64(compressed.Len()) || processed != int64(len(input)) {
|
|
t.Fatalf("scanned=%d processed=%d", scanned, processed)
|
|
}
|
|
if err := reader.Close(); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if _, err := reader.Read(make([]byte, 1)); err == nil {
|
|
t.Fatal("read after Close succeeded")
|
|
}
|
|
})
|
|
}
|
|
}
|