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minio/cmd/xl-v1-list-objects-heal_tes...

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/*
* Minio Cloud Storage (C) 2016, 2017 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"
"path/filepath"
"strconv"
"testing"
)
// TestListObjectsHeal - Tests ListObjectsHeal API for XL
func TestListObjectsHeal(t *testing.T) {
initNSLock(false)
rootPath, err := newTestConfig(globalMinioDefaultRegion)
if err != nil {
t.Fatalf("Init Test config failed")
}
// remove the root directory after the test ends.
defer os.RemoveAll(rootPath)
// Create an instance of xl backend
xl, fsDirs, err := prepareXL()
if err != nil {
t.Fatal(err)
}
// Cleanup backend directories
defer removeRoots(fsDirs)
bucketName := "bucket"
objName := "obj"
// Create test bucket
err = xl.MakeBucketWithLocation(bucketName, "")
if err != nil {
t.Fatal(err)
}
// Put 5 objects under sane dir
for i := 0; i < 5; i++ {
_, err = xl.PutObject(bucketName, "sane/"+objName+strconv.Itoa(i), mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
if err != nil {
t.Fatalf("XL Object upload failed: <ERROR> %s", err)
}
}
// Put 500 objects under unsane/subdir dir
for i := 0; i < 5; i++ {
_, err = xl.PutObject(bucketName, "unsane/subdir/"+objName+strconv.Itoa(i), mustGetHashReader(t, bytes.NewReader([]byte("abcd")), int64(len("abcd")), "", ""), nil)
if err != nil {
t.Fatalf("XL Object upload failed: <ERROR> %s", err)
}
}
// Structure for testing
type testData struct {
bucket string
object string
marker string
delimiter string
maxKeys int
expectedErr error
foundObjs int
}
// Generic function for testing ListObjectsHeal, needs testData as a parameter
testFunc := func(testCase testData, testRank int) {
objectsNeedHeal, foundErr := xl.ListObjectsHeal(testCase.bucket, testCase.object, testCase.marker, testCase.delimiter, testCase.maxKeys)
if testCase.expectedErr == nil && foundErr != nil {
t.Fatalf("Test %d: Expected nil error, found: %v", testRank, foundErr)
}
if testCase.expectedErr != nil && foundErr.Error() != testCase.expectedErr.Error() {
t.Fatalf("Test %d: Found unexpected error: %v, expected: %v", testRank, foundErr, testCase.expectedErr)
}
if len(objectsNeedHeal.Objects) != testCase.foundObjs {
t.Fatalf("Test %d: Found unexpected number of objects: %d, expected: %v", testRank, len(objectsNeedHeal.Objects), testCase.foundObjs)
}
}
// Start tests
testCases := []testData{
// Wrong bucket name
{"foobucket", "", "", "", 1000, BucketNotFound{Bucket: "foobucket"}, 0},
// Inexistent object
{bucketName, "inexistentObj", "", "", 1000, nil, 0},
// Test ListObjectsHeal when all objects are sane
{bucketName, "", "", "", 1000, nil, 0},
}
for i, testCase := range testCases {
testFunc(testCase, i+1)
}
// Test ListObjectsHeal when all objects under unsane need healing
xlObj := xl.(*xlObjects)
for i := 0; i < 5; i++ {
if err = xlObj.storageDisks[0].DeleteFile(bucketName, "unsane/subdir/"+objName+strconv.Itoa(i)+"/xl.json"); err != nil {
t.Fatal(err)
}
}
// Start tests again with some objects that need healing
testCases = []testData{
// Test ListObjectsHeal when all objects under unsane/ need to be healed
{bucketName, "", "", "", 1000, nil, 5},
// List objects heal under unsane/, should return all elements
{bucketName, "unsane/", "", "", 1000, nil, 5},
// List healing objects under sane/, should return 0
{bucketName, "sane/", "", "", 1000, nil, 0},
// Max Keys == 200
{bucketName, "unsane/", "", "", 2, nil, 2},
// Max key > 1000
{bucketName, "unsane/", "", "", 5000, nil, 5},
// Prefix == Delimiter == "/"
{bucketName, "/", "", "/", 1000, nil, 0},
// Max Keys == 0
{bucketName, "", "", "", 0, nil, 0},
// Testing with marker parameter
{bucketName, "", "unsane/subdir/" + objName + "0", "", 1000, nil, 4},
}
for i, testCase := range testCases {
testFunc(testCase, i+1)
}
}
// Test for ListUploadsHeal API for XL.
func TestListUploadsHeal(t *testing.T) {
initNSLock(false)
rootPath, err := newTestConfig(globalMinioDefaultRegion)
if err != nil {
t.Fatalf("Init Test config failed")
}
// Remove config directory after the test ends.
defer os.RemoveAll(rootPath)
// Create an instance of XL backend.
xl, fsDirs, err := prepareXL()
if err != nil {
t.Fatal(err)
}
// Cleanup backend directories on function return.
defer removeRoots(fsDirs)
bucketName := "bucket"
prefix := "prefix"
objName := path.Join(prefix, "obj")
// Create test bucket.
err = xl.MakeBucketWithLocation(bucketName, "")
if err != nil {
t.Fatal(err)
}
// Create a new multipart upload.
uploadID, err := xl.NewMultipartUpload(bucketName, objName, nil)
if err != nil {
t.Fatal(err)
}
// Upload a part.
data := bytes.Repeat([]byte("a"), 1024)
_, err = xl.PutObjectPart(bucketName, objName, uploadID, 1,
mustGetHashReader(t, bytes.NewReader(data), int64(len(data)), "", ""))
if err != nil {
t.Fatal(err)
}
// Check if list uploads heal returns any uploads to be healed
// incorrectly.
listUploadsInfo, err := xl.ListUploadsHeal(bucketName, prefix, "", "", "", 1000)
if err != nil {
t.Fatal(err)
}
// All uploads intact nothing to heal.
if len(listUploadsInfo.Uploads) != 0 {
t.Errorf("Expected no uploads but received %d", len(listUploadsInfo.Uploads))
}
// Delete the part from the first disk to make the upload (and
// its part) to appear in upload heal listing.
firstDisk := xl.(*xlObjects).storageDisks[0]
err = firstDisk.DeleteFile(minioMetaMultipartBucket,
filepath.Join(bucketName, objName, uploadID, xlMetaJSONFile))
if err != nil {
t.Fatal(err)
}
listUploadsInfo, err = xl.ListUploadsHeal(bucketName, prefix, "", "", "", 1000)
if err != nil {
t.Fatal(err)
}
// One upload with missing xl.json on first disk.
if len(listUploadsInfo.Uploads) != 1 {
t.Errorf("Expected 1 upload but received %d", len(listUploadsInfo.Uploads))
}
}