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			14 KiB
		
	
	
	
		
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			694 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
/*
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 * MinIO Cloud Storage, (C) 2020 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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package cmd
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import (
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	"bytes"
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	"context"
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	"fmt"
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	"io/ioutil"
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	"os"
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	"path"
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	"path/filepath"
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	"testing"
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)
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type usageTestFile struct {
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	name string
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	size int
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}
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func TestDataUsageUpdate(t *testing.T) {
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	base, err := ioutil.TempDir("", "TestDataUsageUpdate")
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	if err != nil {
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		t.Skip(err)
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	}
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	const bucket = "bucket"
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	defer os.RemoveAll(base)
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	var files = []usageTestFile{
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		{name: "rootfile", size: 10000},
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		{name: "rootfile2", size: 10000},
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		{name: "dir1/d1file", size: 2000},
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		{name: "dir2/d2file", size: 300},
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		{name: "dir1/dira/dafile", size: 100000},
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		{name: "dir1/dira/dbfile", size: 200000},
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		{name: "dir1/dira/dirasub/dcfile", size: 1000000},
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		{name: "dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
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	}
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	createUsageTestFiles(t, base, bucket, files)
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	getSize := func(item crawlItem) (sizeS sizeSummary, err error) {
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		if item.Typ&os.ModeDir == 0 {
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			var s os.FileInfo
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			s, err = os.Stat(item.Path)
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			if err != nil {
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				return
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			}
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			sizeS.totalSize = s.Size()
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			return sizeS, nil
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		}
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		return
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	}
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	got, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize)
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	if err != nil {
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		t.Fatal(err)
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	}
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	// Test dirs
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	var want = []struct {
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		path       string
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		isNil      bool
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		size, objs int
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		flatten    bool
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		oSizes     sizeHistogram
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	}{
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		{
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			path:    "/",
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			size:    1322310,
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			flatten: true,
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			objs:    8,
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			oSizes:  sizeHistogram{0: 2, 1: 6},
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		},
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		{
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			path:   "/",
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			size:   20000,
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			objs:   2,
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			oSizes: sizeHistogram{1: 2},
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		},
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		{
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			path:   "/dir1",
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			size:   2000,
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			objs:   1,
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			oSizes: sizeHistogram{1: 1},
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		},
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		{
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			path:    "/dir1/dira",
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			flatten: true,
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			size:    1300010,
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			objs:    4,
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			oSizes:  sizeHistogram{0: 1, 1: 3},
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		},
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		{
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			path:    "/dir1/dira/",
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			flatten: true,
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			size:    1300010,
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			objs:    4,
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			oSizes:  sizeHistogram{0: 1, 1: 3},
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		},
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		{
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			path:   "/dir1",
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			size:   2000,
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			objs:   1,
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			oSizes: sizeHistogram{0: 0, 1: 1},
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		},
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		{
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			// Children are flattened
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			path:   "/dir1/dira/",
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			size:   1300010,
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			objs:   4,
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			oSizes: sizeHistogram{0: 1, 1: 3},
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		},
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		{
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			path:  "/nonexistying",
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			isNil: true,
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		},
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	}
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	for _, w := range want {
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		p := path.Join(bucket, w.path)
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		t.Run(p, func(t *testing.T) {
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			e := got.find(p)
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			if w.isNil {
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				if e != nil {
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					t.Error("want nil, got", e)
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				}
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				return
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			}
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			if e == nil {
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				t.Fatal("got nil result")
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			}
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			t.Log(e.Children)
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			if w.flatten {
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				*e = got.flatten(*e)
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			}
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			if e.Size != int64(w.size) {
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				t.Error("got size", e.Size, "want", w.size)
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			}
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			if e.Objects != uint64(w.objs) {
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				t.Error("got objects", e.Objects, "want", w.objs)
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			}
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			if e.ObjSizes != w.oSizes {
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				t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
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			}
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		})
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	}
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	files = []usageTestFile{
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		{
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			name: "newfolder/afile",
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			size: 4,
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		},
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		{
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			name: "newfolder/anotherone",
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			size: 1,
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		},
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		{
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			name: "newfolder/anemptyone",
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			size: 0,
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		},
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		{
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			name: "dir1/fileindir1",
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			size: 20000,
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		},
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		{
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			name: "dir1/dirc/fileindirc",
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			size: 20000,
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		},
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		{
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			name: "rootfile3",
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			size: 1000,
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		},
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	}
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	createUsageTestFiles(t, base, bucket, files)
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	got, err = crawlDataFolder(context.Background(), base, got, getSize)
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	if err != nil {
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		t.Fatal(err)
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	}
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	want = []struct {
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		path       string
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		isNil      bool
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		size, objs int
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		flatten    bool
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		oSizes     sizeHistogram
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	}{
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		{
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			path:    "/",
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			size:    1363315,
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			flatten: true,
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			objs:    14,
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			oSizes:  sizeHistogram{0: 6, 1: 8},
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		},
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		{
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			path:   "/",
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			size:   21000,
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			objs:   3,
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			oSizes: sizeHistogram{0: 1, 1: 2},
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		},
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		{
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			path:   "/newfolder",
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			size:   5,
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			objs:   3,
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			oSizes: sizeHistogram{0: 3},
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		},
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		{
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			path:    "/dir1/dira",
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			size:    1300010,
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			flatten: true,
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			objs:    4,
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			oSizes:  sizeHistogram{0: 1, 1: 3},
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		},
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		{
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			path:  "/nonexistying",
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			isNil: true,
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		},
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	}
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	for _, w := range want {
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		t.Run(w.path, func(t *testing.T) {
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			e := got.find(path.Join(bucket, w.path))
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			if w.isNil {
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				if e != nil {
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					t.Error("want nil, got", e)
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				}
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				return
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			}
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			if e == nil {
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				t.Fatal("got nil result")
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			}
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			if w.flatten {
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				*e = got.flatten(*e)
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			}
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			if e.Size != int64(w.size) {
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				t.Error("got size", e.Size, "want", w.size)
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			}
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			if e.Objects != uint64(w.objs) {
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				t.Error("got objects", e.Objects, "want", w.objs)
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			}
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			if e.ObjSizes != w.oSizes {
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				t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
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			}
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		})
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	}
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	files = []usageTestFile{
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		{
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			name: "dir1/dira/dirasub/fileindira2",
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			size: 200,
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		},
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	}
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	createUsageTestFiles(t, base, bucket, files)
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	err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
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	if err != nil {
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		t.Fatal(err)
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	}
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	// Changed dir must be picked up in this many cycles.
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	for i := 0; i < dataUsageUpdateDirCycles; i++ {
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		got, err = crawlDataFolder(context.Background(), base, got, getSize)
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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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	want = []struct {
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		path       string
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		isNil      bool
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		size, objs int
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		flatten    bool
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		oSizes     sizeHistogram
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	}{
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		{
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			path:    "/",
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			size:    363515,
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			flatten: true,
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			objs:    14,
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			oSizes:  sizeHistogram{0: 7, 1: 7},
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		},
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		{
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			path:    "/dir1/dira",
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			size:    300210,
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			objs:    4,
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			flatten: true,
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			oSizes:  sizeHistogram{0: 2, 1: 2},
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		},
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	}
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	for _, w := range want {
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		p := path.Join(bucket, w.path)
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		t.Run(p, func(t *testing.T) {
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			e := got.find(p)
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			if w.isNil {
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				if e != nil {
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					t.Error("want nil, got", e)
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				}
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				return
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			}
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			if e == nil {
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				t.Fatal("got nil result")
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			}
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			if w.flatten {
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				*e = got.flatten(*e)
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			}
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			if e.Size != int64(w.size) {
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				t.Error("got size", e.Size, "want", w.size)
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			}
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			if e.Objects != uint64(w.objs) {
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				t.Error("got objects", e.Objects, "want", w.objs)
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			}
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			if e.ObjSizes != w.oSizes {
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				t.Error("got histogram", e.ObjSizes, "want", w.oSizes)
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			}
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		})
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	}
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}
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func TestDataUsageUpdatePrefix(t *testing.T) {
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	base, err := ioutil.TempDir("", "TestDataUpdateUsagePrefix")
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	if err != nil {
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		t.Skip(err)
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	}
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	base = filepath.Join(base, "bucket")
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	defer os.RemoveAll(base)
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	var files = []usageTestFile{
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		{name: "bucket/rootfile", size: 10000},
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		{name: "bucket/rootfile2", size: 10000},
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		{name: "bucket/dir1/d1file", size: 2000},
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		{name: "bucket/dir2/d2file", size: 300},
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		{name: "bucket/dir1/dira/dafile", size: 100000},
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		{name: "bucket/dir1/dira/dbfile", size: 200000},
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		{name: "bucket/dir1/dira/dirasub/dcfile", size: 1000000},
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		{name: "bucket/dir1/dira/dirasub/sublevel3/dccccfile", size: 10},
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	}
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	createUsageTestFiles(t, base, "", files)
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	getSize := func(item crawlItem) (sizeS sizeSummary, err error) {
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		if item.Typ&os.ModeDir == 0 {
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			var s os.FileInfo
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			s, err = os.Stat(item.Path)
 | 
						|
			if err != nil {
 | 
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				return
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			}
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			sizeS.totalSize = s.Size()
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			return
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		}
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		return
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	}
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	got, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: "bucket"}}, getSize)
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	if err != nil {
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		t.Fatal(err)
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	}
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						|
	if got.root() == nil {
 | 
						|
		t.Log("cached folders:")
 | 
						|
		for folder := range got.Cache {
 | 
						|
			t.Log("folder:", folder)
 | 
						|
		}
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						|
		t.Fatal("got nil root.")
 | 
						|
	}
 | 
						|
 | 
						|
	// Test dirs
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	var want = []struct {
 | 
						|
		path       string
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		isNil      bool
 | 
						|
		size, objs int
 | 
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		oSizes     sizeHistogram
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						|
	}{
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		{
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			path:   "flat",
 | 
						|
			size:   1322310,
 | 
						|
			objs:   8,
 | 
						|
			oSizes: sizeHistogram{0: 2, 1: 6},
 | 
						|
		},
 | 
						|
		{
 | 
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			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, 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: sizeHistogram{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, 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) (sizeS sizeSummary, err error) {
 | 
						|
		if item.Typ&os.ModeDir == 0 {
 | 
						|
			var s os.FileInfo
 | 
						|
			s, err = os.Stat(item.Path)
 | 
						|
			if err != nil {
 | 
						|
				return
 | 
						|
			}
 | 
						|
			sizeS.totalSize = s.Size()
 | 
						|
			return
 | 
						|
		}
 | 
						|
		return
 | 
						|
	}
 | 
						|
	want, err := crawlDataFolder(context.Background(), base, dataUsageCache{Info: dataUsageCacheInfo{Name: bucket}}, getSize)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
	var buf bytes.Buffer
 | 
						|
	err = want.serializeTo(&buf)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
	t.Log("serialized size:", buf.Len(), "bytes")
 | 
						|
	var got dataUsageCache
 | 
						|
	err = got.deserialize(&buf)
 | 
						|
	if err != nil {
 | 
						|
		t.Fatal(err)
 | 
						|
	}
 | 
						|
	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)
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
}
 |