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Copy pathdata-usage_test.go
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684 lines (652 loc) · 14.2 KB
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/*
* MinIO Cloud Storage, (C) 2020 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"
"context"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"testing"
)
type usageTestFile struct {
name string
size int
}
func TestDataUsageUpdate(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUsageUpdate")
if err != nil {
t.Skip(err)
}
const bucket = "bucket"
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "rootfile", size: 10000},
{name: "rootfile2", size: 10000},
{name: "dir1/d1file", size: 2000},
{name: "dir2/d2file", size: 300},
{name: "dir1/dira/dafile", size: 100000},
{name: "dir1/dira/dbfile", size: 200000},
{name: "dir1/dira/dirasub/dcfile", size: 1000000},
{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
}
createUsageTestFiles(t, base, bucket, files)
getSize := func(item crawlItem) (i int64, err error) {
if item.Typ&os.ModeDir == 0 {
s, err := os.Stat(item.Path)
if err != nil {
return 0, err
}
return s.Size(), nil
}
return 0, nil
}
got, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
// Test dirs
var want = []struct {
path string
isNil bool
size, objs int
flatten bool
oSizes sizeHistogram
}{
{
path: "/",
size: 1322310,
flatten: true,
objs: 8,
oSizes: sizeHistogram{0: 2, 1: 6},
},
{
path: "/",
size: 20000,
objs: 2,
oSizes: sizeHistogram{1: 2},
},
{
path: "/dir1",
size: 2000,
objs: 1,
oSizes: sizeHistogram{1: 1},
},
{
path: "/dir1/dira",
flatten: true,
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "/dir1/dira/",
flatten: true,
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "/dir1",
size: 2000,
objs: 1,
oSizes: sizeHistogram{0: 0, 1: 1},
},
{
// Children are flattened
path: "/dir1/dira/",
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "/nonexistying",
isNil: true,
},
}
for _, w := range want {
p := path.Join(bucket, w.path)
t.Run(p, func(t *testing.T) {
e := got.find(p)
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
t.Log(e.Children)
if w.flatten {
*e = got.flatten(*e)
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "newfolder/afile",
size: 4,
},
{
name: "newfolder/anotherone",
size: 1,
},
{
name: "newfolder/anemptyone",
size: 0,
},
{
name: "dir1/fileindir1",
size: 20000,
},
{
name: "dir1/dirc/fileindirc",
size: 20000,
},
{
name: "rootfile3",
size: 1000,
},
}
createUsageTestFiles(t, base, bucket, files)
got, err = crawlDataFolder(context.Background(), base, got, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
want = []struct {
path string
isNil bool
size, objs int
flatten bool
oSizes sizeHistogram
}{
{
path: "/",
size: 1363315,
flatten: true,
objs: 14,
oSizes: sizeHistogram{0: 6, 1: 8},
},
{
path: "/",
size: 21000,
objs: 3,
oSizes: sizeHistogram{0: 1, 1: 2},
},
{
path: "/newfolder",
size: 5,
objs: 3,
oSizes: sizeHistogram{0: 3},
},
{
path: "/dir1/dira",
size: 1300010,
flatten: true,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "/nonexistying",
isNil: true,
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(path.Join(bucket, w.path))
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if w.flatten {
*e = got.flatten(*e)
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "dir1/dira/dirasub/fileindira2",
size: 200,
},
}
createUsageTestFiles(t, base, bucket, files)
err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
if err != nil {
t.Fatal(err)
}
// Changed dir must be picked up in this many cycles.
for i := 0; i < dataUsageUpdateDirCycles; i++ {
got, err = crawlDataFolder(context.Background(), base, got, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
}
want = []struct {
path string
isNil bool
size, objs int
flatten bool
oSizes sizeHistogram
}{
{
path: "/",
size: 363515,
flatten: true,
objs: 14,
oSizes: sizeHistogram{0: 7, 1: 7},
},
{
path: "/dir1/dira",
size: 300210,
objs: 4,
flatten: true,
oSizes: sizeHistogram{0: 2, 1: 2},
},
}
for _, w := range want {
p := path.Join(bucket, w.path)
t.Run(p, func(t *testing.T) {
e := got.find(p)
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if w.flatten {
*e = got.flatten(*e)
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
}
func TestDataUsageUpdatePrefix(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUpdateUsagePrefix")
if err != nil {
t.Skip(err)
}
base = filepath.Join(base, "bucket")
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "bucket/rootfile", size: 10000},
{name: "bucket/rootfile2", size: 10000},
{name: "bucket/dir1/d1file", size: 2000},
{name: "bucket/dir2/d2file", size: 300},
{name: "bucket/dir1/dira/dafile", size: 100000},
{name: "bucket/dir1/dira/dbfile", size: 200000},
{name: "bucket/dir1/dira/dirasub/dcfile", size: 1000000},
{name: "bucket/dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
}
createUsageTestFiles(t, base, "", files)
getSize := func(item crawlItem) (i int64, err error) {
if item.Typ&os.ModeDir == 0 {
s, err := os.Stat(item.Path)
if err != nil {
return 0, err
}
return s.Size(), nil
}
return 0, nil
}
got, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: "bucket"}}, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
if got.root() == nil {
t.Log("cached folders:")
for folder := range got.Cache {
t.Log("folder:", folder)
}
t.Fatal("got nil root.")
}
// Test dirs
var want = []struct {
path string
isNil bool
size, objs int
oSizes sizeHistogram
}{
{
path: "flat",
size: 1322310,
objs: 8,
oSizes: sizeHistogram{0: 2, 1: 6},
},
{
path: "bucket/",
size: 20000,
objs: 2,
oSizes: sizeHistogram{1: 2},
},
{
path: "bucket/dir1",
size: 2000,
objs: 1,
oSizes: sizeHistogram{1: 1},
},
{
path: "bucket/dir1/dira",
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "bucket/dir1/dira/",
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "bucket/nonexistying",
isNil: true,
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(w.path)
if w.path == "flat" {
f := got.flatten(*got.root())
e = &f
}
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "bucket/newfolder/afile",
size: 4,
},
{
name: "bucket/newfolder/anotherone",
size: 1,
},
{
name: "bucket/newfolder/anemptyone",
size: 0,
},
{
name: "bucket/dir1/fileindir1",
size: 20000,
},
{
name: "bucket/dir1/dirc/fileindirc",
size: 20000,
},
{
name: "bucket/rootfile3",
size: 1000,
},
}
createUsageTestFiles(t, base, "", files)
got, err = crawlDataFolder(context.Background(), base, got, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
want = []struct {
path string
isNil bool
size, objs int
oSizes sizeHistogram
}{
{
path: "flat",
size: 1363315,
objs: 14,
oSizes: sizeHistogram{0: 6, 1: 8},
},
{
path: "bucket/",
size: 21000,
objs: 3,
oSizes: siz
8BD0
eHistogram{0: 1, 1: 2},
},
{
path: "bucket/newfolder",
size: 5,
objs: 3,
oSizes: sizeHistogram{0: 3},
},
{
path: "bucket/dir1/dira",
size: 1300010,
objs: 4,
oSizes: sizeHistogram{0: 1, 1: 3},
},
{
path: "bucket/nonexistying",
isNil: true,
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(w.path)
if w.path == "flat" {
f := got.flatten(*got.root())
e = &f
}
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
files = []usageTestFile{
{
name: "bucket/dir1/dira/dirasub/fileindira2",
size: 200,
},
}
createUsageTestFiles(t, base, "", files)
err = os.RemoveAll(filepath.Join(base, "bucket/dir1/dira/dirasub/dcfile"))
if err != nil {
t.Fatal(err)
}
// Changed dir must be picked up in this many cycles.
for i := 0; i < dataUsageUpdateDirCycles; i++ {
got, err = crawlDataFolder(context.Background(), base, got, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
}
want = []struct {
path string
isNil bool
size, objs int
oSizes sizeHistogram
}{
{
path: "flat",
size: 363515,
objs: 14,
oSizes: sizeHistogram{0: 7, 1: 7},
},
{
path: "bucket/dir1/dira",
size: 300210,
objs: 4,
oSizes: sizeHistogram{0: 2, 1: 2},
},
}
for _, w := range want {
t.Run(w.path, func(t *testing.T) {
e := got.find(w.path)
if w.path == "flat" {
f := got.flatten(*got.root())
e = &f
}
if w.isNil {
if e != nil {
t.Error("want nil, got", e)
}
return
}
if e == nil {
t.Fatal("got nil result")
}
if e.Size != int64(w.size) {
t.Error("got size", e.Size, "want", w.size)
}
if e.Objects != uint64(w.objs) {
t.Error("got objects", e.Objects, "want", w.objs)
}
if e.ObjSizes != w.oSizes {
t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
}
})
}
}
func createUsageTestFiles(t *testing.T, base, bucket string, files []usageTestFile) {
for _, f := range files {
err := os.MkdirAll(filepath.Dir(filepath.Join(base, bucket, f.name)), os.ModePerm)
if err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(filepath.Join(base, bucket, f.name), make([]byte, f.size), os.ModePerm)
if err != nil {
t.Fatal(err)
}
}
}
func TestDataUsageCacheSerialize(t *testing.T) {
base, err := ioutil.TempDir("", "TestDataUsageCacheSerialize")
if err != nil {
t.Skip(err)
}
const bucket = "abucket"
defer os.RemoveAll(base)
var files = []usageTestFile{
{name: "rootfile", size: 10000},
{name: "rootfile2", size: 10000},
{name: "dir1/d1file", size: 2000},
{name: "dir2/d2file", size: 300},
{name: "dir2/d2file2", size: 300},
{name: "dir2/d2file3/", size: 300},
{name: "dir2/d2file4/", size: 300},
{name: "dir2/d2file5", size: 300},
{name: "dir1/dira/dafile", size: 100000},
{name: "dir1/dira/dbfile", size: 200000},
{name: "dir1/dira/dirasub/dcfile", size: 1000000},
{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
{name: "dir1/dira/dirasub/sublevel3/dccccfile20", size: 20},
{name: "dir1/dira/dirasub/sublevel3/dccccfile30", size: 30},
{name: "dir1/dira/dirasub/sublevel3/dccccfile40", size: 40},
}
createUsageTestFiles(t, base, bucket, files)
getSize := func(item crawlItem) (i int64, err error) {
if item.Typ&os.ModeDir == 0 {
s, err := os.Stat(item.Path)
if err != nil {
return 0, err
}
return s.Size(), nil
}
return 0, nil
}
want, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, func() {}, getSize)
if err != nil {
t.Fatal(err)
}
b := want.serialize()
var got dataUsageCache
err = got.deserialize(bytes.NewBuffer(b))
if err != nil {
t.Fatal(err)
}
t.Log("serialized size:", len(b), "bytes")
if got.Info.LastUpdate.IsZero() {
t.Error("lastupdate not set")
}
if !want.Info.LastUpdate.Equal(got.Info.LastUpdate) {
t.Fatalf("deserialize LastUpdate mismatch\nwant: %+v\ngot: %+v", want, got)
}
if len(want.Cache) != len(got.Cache) {
t.Errorf("deserialize mismatch length\nwant: %+v\ngot: %+v", len(want.Cache), len(got.Cache))
}
for wkey, wval := range want.Cache {
gotv := got.Cache[wkey]
if fmt.Sprint(gotv) != fmt.Sprint(wval) {
t.Errorf("deserialize mismatch, key %v\nwant: %+v\ngot: %+v", wkey, wval, gotv)
}
}
}