mirror of
https://github.com/minio/minio
synced 2024-11-05 17:34:01 +00:00
602 lines
15 KiB
Go
602 lines
15 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 main
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"reflect"
|
|
"sort"
|
|
"strings"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
// Fixed volume name that could be used across tests
|
|
const volume = "testvolume"
|
|
|
|
// Test for delayIsLeafCheck.
|
|
func TestDelayIsLeafCheck(t *testing.T) {
|
|
testCases := []struct {
|
|
entries []string
|
|
delay bool
|
|
}{
|
|
// Test cases where isLeaf check can't be delayed.
|
|
{
|
|
[]string{"a-b/", "a/"},
|
|
false,
|
|
},
|
|
{
|
|
[]string{"a%b/", "a/"},
|
|
false,
|
|
},
|
|
{
|
|
[]string{"a-b-c", "a-b/"},
|
|
false,
|
|
},
|
|
|
|
// Test cases where isLeaf check can be delayed.
|
|
{
|
|
[]string{"a-b/", "aa/"},
|
|
true,
|
|
},
|
|
{
|
|
[]string{"a", "a-b"},
|
|
true,
|
|
},
|
|
{
|
|
[]string{"aaa", "bbb"},
|
|
true,
|
|
},
|
|
}
|
|
for i, testCase := range testCases {
|
|
expected := testCase.delay
|
|
got := delayIsLeafCheck(testCase.entries)
|
|
if expected != got {
|
|
t.Errorf("Test %d : Expected %t got %t", i+1, expected, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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(volume)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Create files.
|
|
for _, file := range files {
|
|
err = disk.AppendFile(volume, file, []byte{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return err
|
|
}
|
|
|
|
// 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) {
|
|
// Start the tree walk go-routine.
|
|
prefix := "d/"
|
|
endWalkCh := make(chan struct{})
|
|
twResultCh := startTreeWalk(volume, prefix, "", true, listDir, isLeaf, endWalkCh)
|
|
|
|
// Check if all entries received on the channel match the prefix.
|
|
for res := range twResultCh {
|
|
if !strings.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) {
|
|
// Start the tree walk go-routine.
|
|
prefix := ""
|
|
endWalkCh := make(chan struct{})
|
|
twResultCh := startTreeWalk(volume, prefix, "d/g", true, listDir, isLeaf, 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("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
disk, err := newStorageAPI(fsDir)
|
|
if err != nil {
|
|
t.Errorf("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(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}
|
|
listDir := listDirFactory(isLeaf, disk)
|
|
// Simple test for prefix based walk.
|
|
testTreeWalkPrefix(t, listDir, isLeaf)
|
|
// Simple test when marker is set.
|
|
testTreeWalkMarker(t, listDir, isLeaf)
|
|
err = 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("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
disk, err := newStorageAPI(fsDir)
|
|
if err != nil {
|
|
t.Errorf("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(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}
|
|
listDir := listDirFactory(isLeaf, disk)
|
|
|
|
// 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(volume, prefix, marker, recursive, listDir, isLeaf, 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 = removeAll(fsDir)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
// Test ListDir - listDir should list entries from the first disk, if the first disk is down,
|
|
// it should list from the next disk.
|
|
func TestListDir(t *testing.T) {
|
|
file1 := "file1"
|
|
file2 := "file2"
|
|
// Create two backend directories fsDir1 and fsDir2.
|
|
fsDir1, err := ioutil.TempDir("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
fsDir2, err := ioutil.TempDir("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
// Create two StorageAPIs disk1 and disk2.
|
|
disk1, err := newStorageAPI(fsDir1)
|
|
if err != nil {
|
|
t.Errorf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
disk2, err := newStorageAPI(fsDir2)
|
|
if err != nil {
|
|
t.Errorf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
// create listDir function.
|
|
listDir := listDirFactory(func(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}, disk1, disk2)
|
|
|
|
// Create file1 in fsDir1 and file2 in fsDir2.
|
|
disks := []StorageAPI{disk1, disk2}
|
|
for i, disk := range disks {
|
|
err = createNamespace(disk, volume, []string{fmt.Sprintf("file%d", i+1)})
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// Should list "file1" from fsDir1.
|
|
entries, _, err := listDir(volume, "", "")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if len(entries) != 1 {
|
|
t.Fatal("Expected the number of entries to be 1")
|
|
}
|
|
if entries[0] != file1 {
|
|
t.Fatal("Expected the entry to be file1")
|
|
}
|
|
|
|
// Remove fsDir1 to test failover.
|
|
err = removeAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
// Should list "file2" from fsDir2.
|
|
entries, _, err = listDir(volume, "", "")
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
if len(entries) != 1 {
|
|
t.Fatal("Expected the number of entries to be 1")
|
|
}
|
|
if entries[0] != file2 {
|
|
t.Fatal("Expected the entry to be file2")
|
|
}
|
|
err = removeAll(fsDir2)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
// None of the disks are available, should get errDiskNotFound.
|
|
entries, _, err = listDir(volume, "", "")
|
|
if err != errDiskNotFound {
|
|
t.Error("expected errDiskNotFound error.")
|
|
}
|
|
}
|
|
|
|
// 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("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
// Create two StorageAPIs disk1.
|
|
disk1, err := newStorageAPI(fsDir1)
|
|
if err != nil {
|
|
t.Errorf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
// Simple isLeaf check, returns true if there is no trailing "/"
|
|
isLeaf := func(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}
|
|
|
|
// Create listDir function.
|
|
listDir := listDirFactory(isLeaf, disk1)
|
|
|
|
// 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 {
|
|
for entry := range startTreeWalk(volume,
|
|
testCase.prefix, testCase.marker, testCase.recursive,
|
|
listDir, isLeaf, endWalkCh) {
|
|
if _, found := testCase.expected[entry.entry]; !found {
|
|
t.Errorf("Test %d: Expected %s, but couldn't find", i+1, entry.entry)
|
|
}
|
|
}
|
|
}
|
|
err = removeAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestSortedness(t *testing.T) {
|
|
// Create a backend directories fsDir1.
|
|
fsDir1, err := ioutil.TempDir("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
// Create two StorageAPIs disk1.
|
|
disk1, err := newStorageAPI(fsDir1)
|
|
if err != nil {
|
|
t.Errorf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
// Simple isLeaf check, returns true if there is no trailing "/"
|
|
isLeaf := func(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}
|
|
// Create listDir function.
|
|
listDir := listDirFactory(isLeaf, disk1)
|
|
|
|
// 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(volume,
|
|
test.prefix, test.marker, test.recursive,
|
|
listDir, isLeaf, 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 = removeAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|
|
|
|
func TestTreeWalkIsEnd(t *testing.T) {
|
|
// Create a backend directories fsDir1.
|
|
fsDir1, err := ioutil.TempDir("", "minio-")
|
|
if err != nil {
|
|
t.Errorf("Unable to create tmp directory: %s", err)
|
|
}
|
|
|
|
// Create two StorageAPIs disk1.
|
|
disk1, err := newStorageAPI(fsDir1)
|
|
if err != nil {
|
|
t.Errorf("Unable to create StorageAPI: %s", err)
|
|
}
|
|
|
|
isLeaf := func(volume, prefix string) bool {
|
|
return !strings.HasSuffix(prefix, slashSeparator)
|
|
}
|
|
// Create listDir function.
|
|
listDir := listDirFactory(isLeaf, disk1)
|
|
|
|
// 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(volume, test.prefix, test.marker, test.recursive, listDir, isLeaf, 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 = removeAll(fsDir1)
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
}
|