mirror of
https://github.com/minio/minio.git
synced 2024-12-26 23:25:54 -05:00
536 lines
14 KiB
Go
536 lines
14 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"
|
|
"fmt"
|
|
"io/ioutil"
|
|
"os"
|
|
"reflect"
|
|
"sort"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
// Fixed volume name that could be used across tests
|
|
const volume = "testvolume"
|
|
|
|
// Test for filterMatchingPrefix.
|
|
func TestFilterMatchingPrefix(t *testing.T) {
|
|
entries := []string{"a", "aab", "ab", "abbbb", "zzz"}
|
|
testCases := []struct {
|
|
prefixEntry string
|
|
result []string
|
|
}{
|
|
{
|
|
// Empty prefix should match all entries.
|
|
"",
|
|
[]string{"a", "aab", "ab", "abbbb", "zzz"},
|
|
},
|
|
{
|
|
"a",
|
|
[]string{"a", "aab", "ab", "abbbb"},
|
|
},
|
|
{
|
|
"aa",
|
|
[]string{"aab"},
|
|
},
|
|
{
|
|
// Does not match any of the entries.
|
|
"c",
|
|
[]string{},
|
|
},
|
|
}
|
|
for i, testCase := range testCases {
|
|
expected := testCase.result
|
|
got := filterMatchingPrefix(entries, testCase.prefixEntry)
|
|
if !reflect.DeepEqual(expected, got) {
|
|
t.Errorf("Test %d : expected %v, got %v", i+1, expected, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Helper function that creates a volume and files in it.
|
|
func createNamespace(disk StorageAPI, volume string, files []string) error {
|
|
// Make a volume.
|
|
err := disk.MakeVol(context.Background(), volume)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Create files.
|
|
for _, file := range files {
|
|
err = disk.AppendFile(context.Background(), volume, file, []byte{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
// Returns function "listDir" of the type listDirFunc.
|
|
// disks - used for doing disk.ListDir()
|
|
func listDirFactory(ctx context.Context, disk StorageAPI, isLeaf IsLeafFunc) ListDirFunc {
|
|
return func(volume, dirPath, dirEntry string) (emptyDir bool, entries []string, delayIsLeaf bool) {
|
|
entries, err := disk.ListDir(ctx, volume, dirPath, -1)
|
|
if err != nil {
|
|
return false, nil, false
|
|
}
|
|
if len(entries) == 0 {
|
|
return true, nil, false
|
|
}
|
|
entries, delayIsLeaf = filterListEntries(volume, dirPath, entries, dirEntry, isLeaf)
|
|
return false, entries, delayIsLeaf
|
|
}
|
|
}
|
|
|
|
// Test if tree walker returns entries matching prefix alone are received
|
|
// when a non empty prefix is supplied.
|
|
func testTreeWalkPrefix(t *testing.T, listDir ListDirFunc, isLeaf IsLeafFunc, isLeafDir IsLeafDirFunc) {
|
|
// Start the tree walk go-routine.
|
|
prefix := "d/"
|
|
endWalkCh := make(chan struct{})
|
|
twResultCh := startTreeWalk(context.Background(), volume, prefix, "", true, listDir, isLeaf, isLeafDir, endWalkCh)
|
|
|
|
// Check if all entries received on the channel match the prefix.
|
|
for res := range twResultCh {
|
|
if !HasPrefix(res.entry, prefix) {
|
|
t.Errorf("Entry %s doesn't match prefix %s", res.entry, prefix)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test if entries received on tree walk's channel appear after the supplied marker.
|
|
func testTreeWalkMarker(t *testing.T, listDir ListDirFunc, isLeaf IsLeafFunc, isLeafDir IsLeafDirFunc) {
|
|
// Start the tree walk go-routine.
|
|
prefix := ""
|
|
endWalkCh := make(chan struct{})
|
|
twResultCh := startTreeWalk(context.Background(), volume, prefix, "d/g", true, listDir, isLeaf, isLeafDir, endWalkCh)
|
|
|
|
// Check if only 3 entries, namely d/g/h, i/j/k, lmn are received on the channel.
|
|
expectedCount := 3
|
|
actualCount := 0
|
|
for range twResultCh {
|
|
actualCount++
|
|
}
|
|
if expectedCount != actualCount {
|
|
t.Errorf("Expected %d entries, actual no. of entries were %d", expectedCount, actualCount)
|
|
}
|
|
}
|
|
|
|
// Test tree-walk.
|
|
func TestTreeWalk(t *testing.T) {
|
|
fsDir, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Fatalf("Unable to create tmp directory: %s", err)
|
|
}
|
|
endpoints := mustGetNewEndpoints(fsDir)
|
|
disk, err := newStorageAPI(endpoints[0])
|
|
if err != nil {
|
|
t.Fatalf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
var files = []string{
|
|
"d/e",
|
|
"d/f",
|
|
"d/g/h",
|
|
"i/j/k",
|
|
"lmn",
|
|
}
|
|
err = createNamespace(disk, volume, files)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
isLeaf := func(bucket, leafPath string) bool {
|
|
return !strings.HasSuffix(leafPath, slashSeparator)
|
|
}
|
|
|
|
isLeafDir := func(bucket, leafPath string) bool {
|
|
entries, _ := disk.ListDir(context.Background(), bucket, leafPath, 1)
|
|
return len(entries) == 0
|
|
}
|
|
|
|
listDir := listDirFactory(context.Background(), disk, isLeaf)
|
|
|
|
// Simple test for prefix based walk.
|
|
testTreeWalkPrefix(t, listDir, isLeaf, isLeafDir)
|
|
|
|
// Simple test when marker is set.
|
|
testTreeWalkMarker(t, listDir, isLeaf, isLeafDir)
|
|
|
|
err = os.RemoveAll(fsDir)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// Test if tree walk go-routine exits cleanly if tree walk is aborted because of timeout.
|
|
func TestTreeWalkTimeout(t *testing.T) {
|
|
fsDir, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Fatalf("Unable to create tmp directory: %s", err)
|
|
}
|
|
endpoints := mustGetNewEndpoints(fsDir)
|
|
disk, err := newStorageAPI(endpoints[0])
|
|
if err != nil {
|
|
t.Fatalf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
var myfiles []string
|
|
// Create maxObjectsList+1 number of entries.
|
|
for i := 0; i < maxObjectList+1; i++ {
|
|
myfiles = append(myfiles, fmt.Sprintf("file.%d", i))
|
|
}
|
|
err = createNamespace(disk, volume, myfiles)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
isLeaf := func(bucket, leafPath string) bool {
|
|
return !strings.HasSuffix(leafPath, slashSeparator)
|
|
}
|
|
|
|
isLeafDir := func(bucket, leafPath string) bool {
|
|
entries, _ := disk.ListDir(context.Background(), bucket, leafPath, 1)
|
|
return len(entries) == 0
|
|
}
|
|
|
|
listDir := listDirFactory(context.Background(), disk, isLeaf)
|
|
|
|
// TreeWalk pool with 2 seconds timeout for tree-walk go routines.
|
|
pool := NewTreeWalkPool(2 * time.Second)
|
|
|
|
endWalkCh := make(chan struct{})
|
|
prefix := ""
|
|
marker := ""
|
|
recursive := true
|
|
resultCh := startTreeWalk(context.Background(), volume, prefix, marker, recursive, listDir, isLeaf, isLeafDir, endWalkCh)
|
|
|
|
params := listParams{
|
|
bucket: volume,
|
|
recursive: recursive,
|
|
}
|
|
// Add Treewalk to the pool.
|
|
pool.Set(params, resultCh, endWalkCh)
|
|
|
|
// Wait for the Treewalk to timeout.
|
|
<-time.After(3 * time.Second)
|
|
|
|
// Read maxObjectList number of entries from the channel.
|
|
// maxObjectsList number of entries would have been filled into the resultCh
|
|
// buffered channel. After the timeout resultCh would get closed and hence the
|
|
// maxObjectsList+1 entry would not be sent in the channel.
|
|
i := 0
|
|
for range resultCh {
|
|
i++
|
|
if i == maxObjectList {
|
|
break
|
|
}
|
|
}
|
|
|
|
// The last entry will not be received as the Treewalk goroutine would have exited.
|
|
_, ok := <-resultCh
|
|
if ok {
|
|
t.Error("Tree-walk go routine has not exited after timeout.")
|
|
}
|
|
err = os.RemoveAll(fsDir)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// TestRecursiveWalk - tests if treeWalk returns entries correctly with and
|
|
// without recursively traversing prefixes.
|
|
func TestRecursiveTreeWalk(t *testing.T) {
|
|
// Create a backend directories fsDir1.
|
|
fsDir1, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Fatalf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
endpoints := mustGetNewEndpoints(fsDir1)
|
|
disk1, err := newStorageAPI(endpoints[0])
|
|
if err != nil {
|
|
t.Fatalf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
isLeaf := func(bucket, leafPath string) bool {
|
|
return !strings.HasSuffix(leafPath, slashSeparator)
|
|
}
|
|
|
|
isLeafDir := func(bucket, leafPath string) bool {
|
|
entries, _ := disk1.ListDir(context.Background(), bucket, leafPath, 1)
|
|
return len(entries) == 0
|
|
}
|
|
|
|
// Create listDir function.
|
|
listDir := listDirFactory(context.Background(), disk1, isLeaf)
|
|
|
|
// Create the namespace.
|
|
var files = []string{
|
|
"d/e",
|
|
"d/f",
|
|
"d/g/h",
|
|
"i/j/k",
|
|
"lmn",
|
|
}
|
|
err = createNamespace(disk1, volume, files)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
endWalkCh := make(chan struct{})
|
|
testCases := []struct {
|
|
prefix string
|
|
marker string
|
|
recursive bool
|
|
expected map[string]struct{}
|
|
}{
|
|
// with no prefix, no marker and no recursive traversal
|
|
{"", "", false, map[string]struct{}{
|
|
"d/": {},
|
|
"i/": {},
|
|
"lmn": {},
|
|
}},
|
|
// with no prefix, no marker and recursive traversal
|
|
{"", "", true, map[string]struct{}{
|
|
"d/f": {},
|
|
"d/g/h": {},
|
|
"d/e": {},
|
|
"i/j/k": {},
|
|
"lmn": {},
|
|
}},
|
|
// with no prefix, marker and no recursive traversal
|
|
{"", "d/e", false, map[string]struct{}{
|
|
"d/f": {},
|
|
"d/g/": {},
|
|
"i/": {},
|
|
"lmn": {},
|
|
}},
|
|
// with no prefix, marker and recursive traversal
|
|
{"", "d/e", true, map[string]struct{}{
|
|
"d/f": {},
|
|
"d/g/h": {},
|
|
"i/j/k": {},
|
|
"lmn": {},
|
|
}},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", false, map[string]struct{}{
|
|
"d/e": {},
|
|
"d/f": {},
|
|
"d/g/": {},
|
|
}},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", true, map[string]struct{}{
|
|
"d/e": {},
|
|
"d/f": {},
|
|
"d/g/h": {},
|
|
}},
|
|
// with prefix, marker and no recursive traversal
|
|
{"d/", "d/e", false, map[string]struct{}{
|
|
"d/f": {},
|
|
"d/g/": {},
|
|
}},
|
|
// with prefix, marker and recursive traversal
|
|
{"d/", "d/e", true, map[string]struct{}{
|
|
"d/f": {},
|
|
"d/g/h": {},
|
|
}},
|
|
}
|
|
for i, testCase := range testCases {
|
|
testCase := testCase
|
|
t.Run(fmt.Sprintf("Test%d", i+1), func(t *testing.T) {
|
|
for entry := range startTreeWalk(context.Background(), volume,
|
|
testCase.prefix, testCase.marker, testCase.recursive,
|
|
listDir, isLeaf, isLeafDir, endWalkCh) {
|
|
if _, found := testCase.expected[entry.entry]; !found {
|
|
t.Errorf("Expected %s, but couldn't find", entry.entry)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
err = os.RemoveAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestSortedness(t *testing.T) {
|
|
// Create a backend directories fsDir1.
|
|
fsDir1, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
endpoints := mustGetNewEndpoints(fsDir1)
|
|
disk1, err := newStorageAPI(endpoints[0])
|
|
if err != nil {
|
|
t.Fatalf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
isLeaf := func(bucket, leafPath string) bool {
|
|
return !strings.HasSuffix(leafPath, slashSeparator)
|
|
}
|
|
|
|
isLeafDir := func(bucket, leafPath string) bool {
|
|
entries, _ := disk1.ListDir(context.Background(), bucket, leafPath, 1)
|
|
return len(entries) == 0
|
|
}
|
|
|
|
// Create listDir function.
|
|
listDir := listDirFactory(context.Background(), disk1, isLeaf)
|
|
|
|
// Create the namespace.
|
|
var files = []string{
|
|
"d/e",
|
|
"d/f",
|
|
"d/g/h",
|
|
"i/j/k",
|
|
"lmn",
|
|
}
|
|
err = createNamespace(disk1, volume, files)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
endWalkCh := make(chan struct{})
|
|
testCases := []struct {
|
|
prefix string
|
|
marker string
|
|
recursive bool
|
|
}{
|
|
// with no prefix, no marker and no recursive traversal
|
|
{"", "", false},
|
|
// with no prefix, no marker and recursive traversal
|
|
{"", "", true},
|
|
// with no prefix, marker and no recursive traversal
|
|
{"", "d/e", false},
|
|
// with no prefix, marker and recursive traversal
|
|
{"", "d/e", true},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", false},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", true},
|
|
// with prefix, marker and no recursive traversal
|
|
{"d/", "d/e", false},
|
|
// with prefix, marker and recursive traversal
|
|
{"d/", "d/e", true},
|
|
}
|
|
for i, test := range testCases {
|
|
var actualEntries []string
|
|
for entry := range startTreeWalk(context.Background(), volume,
|
|
test.prefix, test.marker, test.recursive,
|
|
listDir, isLeaf, isLeafDir, endWalkCh) {
|
|
actualEntries = append(actualEntries, entry.entry)
|
|
}
|
|
if !sort.IsSorted(sort.StringSlice(actualEntries)) {
|
|
t.Error(i+1, "Expected entries to be sort, but it wasn't")
|
|
}
|
|
}
|
|
|
|
// Remove directory created for testing
|
|
err = os.RemoveAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTreeWalkIsEnd(t *testing.T) {
|
|
// Create a backend directories fsDir1.
|
|
fsDir1, err := ioutil.TempDir(globalTestTmpDir, "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
endpoints := mustGetNewEndpoints(fsDir1)
|
|
disk1, err := newStorageAPI(endpoints[0])
|
|
if err != nil {
|
|
t.Fatalf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
isLeaf := func(bucket, leafPath string) bool {
|
|
return !strings.HasSuffix(leafPath, slashSeparator)
|
|
}
|
|
|
|
isLeafDir := func(bucket, leafPath string) bool {
|
|
entries, _ := disk1.ListDir(context.Background(), bucket, leafPath, 1)
|
|
return len(entries) == 0
|
|
}
|
|
|
|
// Create listDir function.
|
|
listDir := listDirFactory(context.Background(), disk1, isLeaf)
|
|
|
|
// Create the namespace.
|
|
var files = []string{
|
|
"d/e",
|
|
"d/f",
|
|
"d/g/h",
|
|
"i/j/k",
|
|
"lmn",
|
|
}
|
|
err = createNamespace(disk1, volume, files)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
endWalkCh := make(chan struct{})
|
|
testCases := []struct {
|
|
prefix string
|
|
marker string
|
|
recursive bool
|
|
expectedEntry string
|
|
}{
|
|
// with no prefix, no marker and no recursive traversal
|
|
{"", "", false, "lmn"},
|
|
// with no prefix, no marker and recursive traversal
|
|
{"", "", true, "lmn"},
|
|
// with no prefix, marker and no recursive traversal
|
|
{"", "d/e", false, "lmn"},
|
|
// with no prefix, marker and recursive traversal
|
|
{"", "d/e", true, "lmn"},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", false, "d/g/"},
|
|
// with prefix, no marker and no recursive traversal
|
|
{"d/", "", true, "d/g/h"},
|
|
// with prefix, marker and no recursive traversal
|
|
{"d/", "d/e", false, "d/g/"},
|
|
// with prefix, marker and recursive traversal
|
|
{"d/", "d/e", true, "d/g/h"},
|
|
}
|
|
for i, test := range testCases {
|
|
var entry TreeWalkResult
|
|
for entry = range startTreeWalk(context.Background(), volume, test.prefix,
|
|
test.marker, test.recursive, listDir, isLeaf, isLeafDir, endWalkCh) {
|
|
}
|
|
if entry.entry != test.expectedEntry {
|
|
t.Errorf("Test %d: Expected entry %s, but received %s with the EOF marker", i, test.expectedEntry, entry.entry)
|
|
}
|
|
if !entry.end {
|
|
t.Errorf("Test %d: Last entry %s, doesn't have EOF marker set", i, entry.entry)
|
|
}
|
|
}
|
|
|
|
// Remove directory created for testing
|
|
err = os.RemoveAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|