minio/cmd/format-fs_test.go
Harshavardhana 069432566f update license change for MinIO
Signed-off-by: Harshavardhana <harsha@minio.io>
2021-04-23 11:58:53 -07:00

105 lines
3.0 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// 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 cmd
import (
"context"
"os"
"path/filepath"
"testing"
)
// TestFSFormatFS - tests initFormatFS, formatMetaGetFormatBackendFS, formatFSGetVersion.
func TestFSFormatFS(t *testing.T) {
// Prepare for testing
disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
defer os.RemoveAll(disk)
fsFormatPath := pathJoin(disk, minioMetaBucket, formatConfigFile)
// Assign a new UUID.
uuid := mustGetUUID()
// Initialize meta volume, if volume already exists ignores it.
if err := initMetaVolumeFS(disk, uuid); err != nil {
t.Fatal(err)
}
rlk, err := initFormatFS(context.Background(), disk)
if err != nil {
t.Fatal(err)
}
rlk.Close()
// Do the basic sanity checks to check if initFormatFS() did its job.
f, err := os.OpenFile(fsFormatPath, os.O_RDWR|os.O_SYNC, 0)
if err != nil {
t.Fatal(err)
}
defer f.Close()
format, err := formatMetaGetFormatBackendFS(f)
if err != nil {
t.Fatal(err)
}
if format != formatBackendFS {
t.Fatalf(`expected: %s, got: %s`, formatBackendFS, format)
}
version, err := formatFSGetVersion(f)
if err != nil {
t.Fatal(err)
}
if version != formatFSVersionV2 {
t.Fatalf(`expected: %s, got: %s`, formatFSVersionV2, version)
}
// Corrupt the format.json file and test the functions.
// formatMetaGetFormatBackendFS, formatFSGetVersion, initFormatFS should return errors.
if err = f.Truncate(0); err != nil {
t.Fatal(err)
}
if _, err = f.WriteString("b"); err != nil {
t.Fatal(err)
}
if _, err = formatMetaGetFormatBackendFS(f); err == nil {
t.Fatal("expected to fail")
}
if _, err = formatFSGetVersion(rlk); err == nil {
t.Fatal("expected to fail")
}
if _, err = initFormatFS(context.Background(), disk); err == nil {
t.Fatal("expected to fail")
}
// With unknown formatMetaV1.Version formatMetaGetFormatBackendFS, initFormatFS should return error.
if err = f.Truncate(0); err != nil {
t.Fatal(err)
}
// Here we set formatMetaV1.Version to "2"
if _, err = f.WriteString(`{"version":"2","format":"fs","fs":{"version":"1"}}`); err != nil {
t.Fatal(err)
}
if _, err = formatMetaGetFormatBackendFS(f); err == nil {
t.Fatal("expected to fail")
}
if _, err = initFormatFS(context.Background(), disk); err == nil {
t.Fatal("expected to fail")
}
}