minio/cmd/fs-v1-metadata_test.go
Krishna Srinivas 82373e3d50 fs: cleanup - do not cache size of metafiles (#3630)
* Remove Size() method and size field from lock.LockedFile
* WriteTo method of fsMeta and uploadsV1 now takes concrete type *lock.LockedFile
2017-01-25 12:29:06 -08:00

133 lines
3.7 KiB
Go

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* Licensed 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 cmd
import (
"bytes"
"os"
"path/filepath"
"testing"
)
// Tests ToObjectInfo function.
func TestFSV1MetadataObjInfo(t *testing.T) {
fsMeta := newFSMetaV1()
objInfo := fsMeta.ToObjectInfo("testbucket", "testobject", nil)
if objInfo.Size != 0 {
t.Fatal("Unexpected object info value for Size", objInfo.Size)
}
if objInfo.ModTime != timeSentinel {
t.Fatal("Unexpected object info value for ModTime ", objInfo.ModTime)
}
if objInfo.IsDir {
t.Fatal("Unexpected object info value for IsDir", objInfo.IsDir)
}
}
// TestReadFSMetadata - readFSMetadata testing with a healthy and faulty disk
func TestReadFSMetadata(t *testing.T) {
disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
defer removeAll(disk)
obj := initFSObjects(disk, t)
fs := obj.(*fsObjects)
bucketName := "bucket"
objectName := "object"
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
sha256sum := ""
if _, err := obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
map[string]string{"X-Amz-Meta-AppId": "a"}, sha256sum); err != nil {
t.Fatal("Unexpected err: ", err)
}
// Construct the full path of fs.json
fsPath := pathJoin("buckets", bucketName, objectName, "fs.json")
fsPath = pathJoin(fs.fsPath, minioMetaBucket, fsPath)
rlk, err := fs.rwPool.Open(fsPath)
if err != nil {
t.Fatal("Unexpected error ", err)
}
defer rlk.Close()
// Regular fs metadata reading, no errors expected
fsMeta := fsMetaV1{}
if _, err = fsMeta.ReadFrom(rlk.LockedFile); err != nil {
t.Fatal("Unexpected error ", err)
}
// Corrupted fs.json
file, err := os.OpenFile(preparePath(fsPath), os.O_APPEND|os.O_WRONLY, 0666)
if err != nil {
t.Fatal("Unexpected error ", err)
}
file.Write([]byte{'a'})
file.Close()
fsMeta = fsMetaV1{}
if _, err := fsMeta.ReadFrom(rlk.LockedFile); err == nil {
t.Fatal("Should fail", err)
}
}
// TestWriteFSMetadata - tests of writeFSMetadata with healthy disk.
func TestWriteFSMetadata(t *testing.T) {
disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
defer removeAll(disk)
obj := initFSObjects(disk, t)
fs := obj.(*fsObjects)
bucketName := "bucket"
objectName := "object"
if err := obj.MakeBucket(bucketName); err != nil {
t.Fatal("Unexpected err: ", err)
}
sha256sum := ""
if _, err := obj.PutObject(bucketName, objectName, int64(len("abcd")), bytes.NewReader([]byte("abcd")),
map[string]string{"X-Amz-Meta-AppId": "a"}, sha256sum); err != nil {
t.Fatal("Unexpected err: ", err)
}
// Construct the full path of fs.json
fsPath := pathJoin("buckets", bucketName, objectName, "fs.json")
fsPath = pathJoin(fs.fsPath, minioMetaBucket, fsPath)
rlk, err := fs.rwPool.Open(fsPath)
if err != nil {
t.Fatal("Unexpected error ", err)
}
defer rlk.Close()
// FS metadata reading, no errors expected (healthy disk)
fsMeta := fsMetaV1{}
_, err = fsMeta.ReadFrom(rlk.LockedFile)
if err != nil {
t.Fatal("Unexpected error ", err)
}
if fsMeta.Version != "1.0.0" {
t.Fatalf("Unexpected version %s", fsMeta.Version)
}
if fsMeta.Format != "fs" {
t.Fatalf("Unexpected format %s", fsMeta.Format)
}
}