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			414 lines
		
	
	
		
			12 KiB
		
	
	
	
		
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			414 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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|  * Minio Cloud Storage, (C) 2015, 2016, 2017 Minio, Inc.
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * 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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|  */
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| 
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| package cmd
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| 
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| import (
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| 	"bytes"
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| 	"context"
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| 	"os"
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| 	"path"
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| 	"strconv"
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| 	"testing"
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| 	"time"
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| 
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| 	humanize "github.com/dustin/go-humanize"
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| )
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| 
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| const ActualSize = 1000
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| 
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| // Tests for reading XL object info.
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| func TestXLReadStat(t *testing.T) {
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| 	ExecObjectLayerDiskAlteredTest(t, testXLReadStat)
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| }
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| 
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| func testXLReadStat(obj ObjectLayer, instanceType string, disks []string, t *testing.T) {
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| 	// Setup for the tests.
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| 	bucketName := getRandomBucketName()
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| 	objectName := "test-object"
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| 	// create bucket.
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| 	err := obj.MakeBucketWithLocation(context.Background(), bucketName, "")
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| 	// Stop the test if creation of the bucket fails.
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| 	if err != nil {
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| 		t.Fatalf("%s : %s", instanceType, err.Error())
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| 	}
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| 
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| 	// set of byte data for PutObject.
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| 	// object has to be created before running tests for GetObject.
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| 	// this is required even to assert the GetObject data,
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| 	// since dataInserted === dataFetched back is a primary criteria for any object storage this assertion is critical.
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| 	bytesData := []struct {
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| 		byteData []byte
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| 	}{
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| 		{generateBytesData(6 * humanize.MiByte)},
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| 	}
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| 	// set of inputs for uploading the objects before tests for downloading is done.
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| 	putObjectInputs := []struct {
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| 		bucketName    string
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| 		objectName    string
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| 		contentLength int64
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| 		textData      []byte
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| 		metaData      map[string]string
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| 	}{
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| 		// case - 1.
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| 		{bucketName, objectName, int64(len(bytesData[0].byteData)), bytesData[0].byteData, make(map[string]string)},
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| 	}
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| 	// iterate through the above set of inputs and upkoad the object.
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| 	for i, input := range putObjectInputs {
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| 		// uploading the object.
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| 		_, err = obj.PutObject(context.Background(), input.bucketName, input.objectName, mustGetHashReader(t, bytes.NewBuffer(input.textData), input.contentLength, input.metaData["etag"], ""), input.metaData, ObjectOptions{})
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| 		// if object upload fails stop the test.
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| 		if err != nil {
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| 			t.Fatalf("Put Object case %d:  Error uploading object: <ERROR> %v", i+1, err)
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| 		}
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| 	}
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| 
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| 	_, _, err = obj.(*xlObjects).readXLMetaStat(context.Background(), bucketName, objectName)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	// Remove one disk.
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| 	removeDiskN(disks, 7)
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| 
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| 	// Removing disk shouldn't affect reading object info.
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| 	_, _, err = obj.(*xlObjects).readXLMetaStat(context.Background(), bucketName, objectName)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	for _, disk := range disks {
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| 		os.RemoveAll(path.Join(disk, bucketName))
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| 	}
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| 
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| 	_, _, err = obj.(*xlObjects).readXLMetaStat(context.Background(), bucketName, objectName)
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| 	if err != errVolumeNotFound {
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| 		t.Fatal(err)
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| 	}
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| }
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| 
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| // Tests for reading XL meta parts.
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| func TestXLReadMetaParts(t *testing.T) {
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| 	ExecObjectLayerDiskAlteredTest(t, testXLReadMetaParts)
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| }
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| 
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| // testListObjectParts - Tests validate listing of object parts when disks go offline.
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| func testXLReadMetaParts(obj ObjectLayer, instanceType string, disks []string, t *testing.T) {
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| 	bucketNames := []string{"minio-bucket", "minio-2-bucket"}
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| 	objectNames := []string{"minio-object-1.txt"}
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| 	uploadIDs := []string{}
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| 	var opts ObjectOptions
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| 
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| 	// bucketnames[0].
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| 	// objectNames[0].
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| 	// uploadIds [0].
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| 	// Create bucket before intiating NewMultipartUpload.
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| 	err := obj.MakeBucketWithLocation(context.Background(), bucketNames[0], "")
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| 	if err != nil {
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| 		// Failed to create newbucket, abort.
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| 		t.Fatalf("%s : %s", instanceType, err.Error())
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| 	}
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| 	// Initiate Multipart Upload on the above created bucket.
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| 	uploadID, err := obj.NewMultipartUpload(context.Background(), bucketNames[0], objectNames[0], nil, opts)
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| 	if err != nil {
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| 		// Failed to create NewMultipartUpload, abort.
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| 		t.Fatalf("%s : %s", instanceType, err.Error())
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| 	}
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| 
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| 	uploadIDs = append(uploadIDs, uploadID)
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| 
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| 	// Create multipart parts.
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| 	// Need parts to be uploaded before MultipartLists can be called and tested.
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| 	createPartCases := []struct {
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| 		bucketName      string
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| 		objName         string
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| 		uploadID        string
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| 		PartID          int
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| 		inputReaderData string
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| 		inputMd5        string
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| 		intputDataSize  int64
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| 		expectedMd5     string
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| 	}{
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| 		// Case 1-4.
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| 		// Creating sequence of parts for same uploadID.
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| 		// Used to ensure that the ListMultipartResult produces one output for the four parts uploaded below for the given upload ID.
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| 		{bucketNames[0], objectNames[0], uploadIDs[0], 1, "abcd", "e2fc714c4727ee9395f324cd2e7f331f", int64(len("abcd")), "e2fc714c4727ee9395f324cd2e7f331f"},
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| 		{bucketNames[0], objectNames[0], uploadIDs[0], 2, "efgh", "1f7690ebdd9b4caf8fab49ca1757bf27", int64(len("efgh")), "1f7690ebdd9b4caf8fab49ca1757bf27"},
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| 		{bucketNames[0], objectNames[0], uploadIDs[0], 3, "ijkl", "09a0877d04abf8759f99adec02baf579", int64(len("abcd")), "09a0877d04abf8759f99adec02baf579"},
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| 		{bucketNames[0], objectNames[0], uploadIDs[0], 4, "mnop", "e132e96a5ddad6da8b07bba6f6131fef", int64(len("abcd")), "e132e96a5ddad6da8b07bba6f6131fef"},
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| 	}
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| 	sha256sum := ""
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| 	// Iterating over creatPartCases to generate multipart chunks.
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| 	for _, testCase := range createPartCases {
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| 		_, perr := obj.PutObjectPart(context.Background(), testCase.bucketName, testCase.objName, testCase.uploadID, testCase.PartID, mustGetHashReader(t, bytes.NewBufferString(testCase.inputReaderData), testCase.intputDataSize, testCase.inputMd5, sha256sum), opts)
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| 		if perr != nil {
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| 			t.Fatalf("%s : %s", instanceType, perr)
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| 		}
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| 	}
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| 
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| 	uploadIDPath := obj.(*xlObjects).getUploadIDDir(bucketNames[0], objectNames[0], uploadIDs[0])
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| 
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| 	_, _, err = obj.(*xlObjects).readXLMetaParts(context.Background(), minioMetaMultipartBucket, uploadIDPath)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	// Remove one disk.
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| 	removeDiskN(disks, 7)
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| 
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| 	// Removing disk shouldn't affect reading object parts info.
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| 	_, _, err = obj.(*xlObjects).readXLMetaParts(context.Background(), minioMetaMultipartBucket, uploadIDPath)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	for _, disk := range disks {
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| 		os.RemoveAll(path.Join(disk, bucketNames[0]))
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| 		os.RemoveAll(path.Join(disk, minioMetaMultipartBucket, obj.(*xlObjects).getMultipartSHADir(bucketNames[0], objectNames[0])))
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| 	}
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| 
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| 	_, _, err = obj.(*xlObjects).readXLMetaParts(context.Background(), minioMetaMultipartBucket, uploadIDPath)
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| 	if err != errFileNotFound {
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| 		t.Fatal(err)
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| 	}
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| }
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| 
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| // Test xlMetaV1.AddObjectPart()
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| func TestAddObjectPart(t *testing.T) {
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| 	testCases := []struct {
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| 		partNum       int
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| 		expectedIndex int
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| 	}{
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| 		{1, 0},
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| 		{2, 1},
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| 		{4, 2},
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| 		{5, 3},
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| 		{7, 4},
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| 		// Insert part.
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| 		{3, 2},
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| 		// Replace existing part.
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| 		{4, 3},
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| 		// Missing part.
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| 		{6, -1},
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| 	}
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| 
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| 	// Setup.
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| 	xlMeta := newXLMetaV1("test-object", 8, 8)
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| 	if !xlMeta.IsValid() {
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| 		t.Fatalf("unable to get xl meta")
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| 	}
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| 
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| 	// Test them.
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| 	for _, testCase := range testCases {
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| 		if testCase.expectedIndex > -1 {
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| 			partNumString := strconv.Itoa(testCase.partNum)
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| 			xlMeta.AddObjectPart(testCase.partNum, "part."+partNumString, "etag."+partNumString, int64(testCase.partNum+humanize.MiByte), ActualSize)
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| 		}
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| 
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| 		if index := objectPartIndex(xlMeta.Parts, testCase.partNum); index != testCase.expectedIndex {
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| 			t.Fatalf("%+v: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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| 		}
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| 	}
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| }
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| 
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| // Test objectPartIndex().
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| // generates a sample xlMeta data and asserts the output of objectPartIndex() with the expected value.
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| func TestObjectPartIndex(t *testing.T) {
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| 	testCases := []struct {
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| 		partNum       int
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| 		expectedIndex int
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| 	}{
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| 		{2, 1},
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| 		{1, 0},
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| 		{5, 3},
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| 		{4, 2},
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| 		{7, 4},
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| 	}
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| 
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| 	// Setup.
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| 	xlMeta := newXLMetaV1("test-object", 8, 8)
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| 	if !xlMeta.IsValid() {
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| 		t.Fatalf("unable to get xl meta")
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| 	}
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| 
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| 	// Add some parts for testing.
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| 	for _, testCase := range testCases {
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| 		partNumString := strconv.Itoa(testCase.partNum)
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| 		xlMeta.AddObjectPart(testCase.partNum, "part."+partNumString, "etag."+partNumString, int64(testCase.partNum+humanize.MiByte), ActualSize)
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| 	}
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| 
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| 	// Add failure test case.
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| 	testCases = append(testCases, struct {
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| 		partNum       int
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| 		expectedIndex int
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| 	}{6, -1})
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| 
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| 	// Test them.
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| 	for _, testCase := range testCases {
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| 		if index := objectPartIndex(xlMeta.Parts, testCase.partNum); index != testCase.expectedIndex {
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| 			t.Fatalf("%+v: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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| 		}
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| 	}
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| }
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| 
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| // Test xlMetaV1.ObjectToPartOffset().
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| func TestObjectToPartOffset(t *testing.T) {
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| 	// Setup.
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| 	xlMeta := newXLMetaV1("test-object", 8, 8)
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| 	if !xlMeta.IsValid() {
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| 		t.Fatalf("unable to get xl meta")
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| 	}
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| 
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| 	// Add some parts for testing.
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| 	// Total size of all parts is 5,242,899 bytes.
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| 	for _, partNum := range []int{1, 2, 4, 5, 7} {
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| 		partNumString := strconv.Itoa(partNum)
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| 		xlMeta.AddObjectPart(partNum, "part."+partNumString, "etag."+partNumString, int64(partNum+humanize.MiByte), ActualSize)
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| 	}
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| 
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| 	testCases := []struct {
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| 		offset         int64
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| 		expectedIndex  int
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| 		expectedOffset int64
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| 		expectedErr    error
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| 	}{
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| 		{0, 0, 0, nil},
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| 		{1 * humanize.MiByte, 0, 1 * humanize.MiByte, nil},
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| 		{1 + humanize.MiByte, 1, 0, nil},
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| 		{2 + humanize.MiByte, 1, 1, nil},
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| 		// Its valid for zero sized object.
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| 		{-1, 0, -1, nil},
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| 		// Max fffset is always (size - 1).
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| 		{(1 + 2 + 4 + 5 + 7) + (5 * humanize.MiByte) - 1, 4, 1048582, nil},
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| 		// Error if offset is size.
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| 		{(1 + 2 + 4 + 5 + 7) + (5 * humanize.MiByte), 0, 0, InvalidRange{}},
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| 	}
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| 
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| 	// Test them.
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| 	for _, testCase := range testCases {
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| 		index, offset, err := xlMeta.ObjectToPartOffset(context.Background(), testCase.offset)
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| 		if err != testCase.expectedErr {
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| 			t.Fatalf("%+v: expected = %s, got: %s", testCase, testCase.expectedErr, err)
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| 		}
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| 		if index != testCase.expectedIndex {
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| 			t.Fatalf("%+v: index: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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| 		}
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| 		if offset != testCase.expectedOffset {
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| 			t.Fatalf("%+v: offset: expected = %d, got: %d", testCase, testCase.expectedOffset, offset)
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| 		}
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| 	}
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| }
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| 
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| // Helper function to check if two xlMetaV1 values are similar.
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| func isXLMetaSimilar(m, n xlMetaV1) bool {
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| 	if m.Version != n.Version {
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| 		return false
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| 	}
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| 	if m.Format != n.Format {
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| 		return false
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| 	}
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| 	if len(m.Parts) != len(n.Parts) {
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| 		return false
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| 	}
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| 	return true
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| }
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| 
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| func TestPickValidXLMeta(t *testing.T) {
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| 	obj := "object"
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| 	x1 := newXLMetaV1(obj, 4, 4)
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| 	now := UTCNow()
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| 	x1.Stat.ModTime = now
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| 	invalidX1 := x1
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| 	invalidX1.Version = "invalid-version"
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| 	xs := []xlMetaV1{x1, x1, x1, x1}
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| 	invalidXS := []xlMetaV1{invalidX1, invalidX1, invalidX1, invalidX1}
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| 	testCases := []struct {
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| 		metaArr     []xlMetaV1
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| 		modTime     time.Time
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| 		xlMeta      xlMetaV1
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| 		expectedErr error
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| 	}{
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| 		{
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| 			metaArr:     xs,
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| 			modTime:     now,
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| 			xlMeta:      x1,
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| 			expectedErr: nil,
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| 		},
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| 		{
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| 			metaArr:     invalidXS,
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| 			modTime:     now,
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| 			xlMeta:      invalidX1,
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| 			expectedErr: errXLReadQuorum,
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| 		},
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| 	}
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| 	for i, test := range testCases {
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| 		xlMeta, err := pickValidXLMeta(context.Background(), test.metaArr, test.modTime, len(test.metaArr)/2)
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| 		if test.expectedErr != nil {
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| 			if err.Error() != test.expectedErr.Error() {
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| 				t.Errorf("Test %d: Expected to fail with %v but received %v",
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| 					i+1, test.expectedErr, err)
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| 			}
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| 		} else {
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| 			if !isXLMetaSimilar(xlMeta, test.xlMeta) {
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| 				t.Errorf("Test %d: Expected %v but received %v",
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| 					i+1, test.xlMeta, xlMeta)
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| 			}
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| 		}
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| 	}
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| }
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| 
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| func TestIsXLMetaFormatValid(t *testing.T) {
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| 	tests := []struct {
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| 		name    int
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| 		version string
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| 		format  string
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| 		want    bool
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| 	}{
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| 		{1, "123", "fs", false},
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| 		{2, "123", xlMetaFormat, false},
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| 		{3, xlMetaVersion, "test", false},
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| 		{4, xlMetaVersion100, "hello", false},
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| 		{5, xlMetaVersion, xlMetaFormat, true},
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| 		{6, xlMetaVersion100, xlMetaFormat, true},
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| 	}
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| 	for _, tt := range tests {
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| 		if got := isXLMetaFormatValid(tt.version, tt.format); got != tt.want {
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| 			t.Errorf("Test %d: Expected %v but received %v", tt.name, got, tt.want)
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| 		}
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| 	}
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| }
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| 
 | |
| func TestIsXLMetaErasureInfoValid(t *testing.T) {
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| 	tests := []struct {
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| 		name   int
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| 		data   int
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| 		parity int
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| 		want   bool
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| 	}{
 | |
| 		{1, 5, 6, false},
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| 		{2, 5, 5, true},
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| 		{3, 0, 5, false},
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| 		{4, 5, 0, false},
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| 		{5, 5, 0, false},
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| 		{6, 5, 4, true},
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| 	}
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| 	for _, tt := range tests {
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| 		if got := isXLMetaErasureInfoValid(tt.data, tt.parity); got != tt.want {
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| 			t.Errorf("Test %d: Expected %v but received %v", tt.name, got, tt.want)
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| 		}
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| 	}
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| }
 |