// 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 (
"fmt"
"math/rand"
"reflect"
"sort"
"testing"
"time"
)
func Test_metaCacheEntries_sort(t *testing.T) {
entries := loadMetacacheSampleEntries(t)
o := entries.entries()
if !o.isSorted() {
t.Fatal("Expected sorted objects")
}
// Swap first and last
o[0], o[len(o)-1] = o[len(o)-1], o[0]
if o.isSorted() {
t.Fatal("Expected unsorted objects")
}
sorted := o.sort()
if !o.isSorted() {
t.Fatal("Expected sorted o objects")
}
if !sorted.entries().isSorted() {
t.Fatal("Expected sorted wrapped objects")
}
want := loadMetacacheSampleNames
for i, got := range o {
if got.name != want[i] {
t.Errorf("entry %d, want %q, got %q", i, want[i], got.name)
}
}
}
func Test_metaCacheEntries_forwardTo(t *testing.T) {
org := loadMetacacheSampleEntries(t)
entries := org
want := []string{"src/compress/zlib/reader_test.go", "src/compress/zlib/writer.go", "src/compress/zlib/writer_test.go"}
entries.forwardTo("src/compress/zlib/reader_test.go")
got := entries.entries().names()
if !reflect.DeepEqual(got, want) {
t.Errorf("got unexpected result: %#v", got)
}
// Try with prefix
entries = org
entries.forwardTo("src/compress/zlib/reader_t")
got = entries.entries().names()
if !reflect.DeepEqual(got, want) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_merge(t *testing.T) {
org := loadMetacacheSampleEntries(t)
a, b := org.shallowClone(), org.shallowClone()
be := b.entries()
for i := range be {
// Modify b so it isn't deduplicated.
be[i].metadata = []byte("something-else")
}
// Merge b into a
a.merge(b, -1)
//nolint:gocritic
want := append(loadMetacacheSampleNames, loadMetacacheSampleNames...)
sort.Strings(want)
got := a.entries().names()
if len(got) != len(want) {
t.Errorf("unexpected count, want %v, got %v", len(want), len(got))
}
for i, name := range got {
if want[i] != name {
t.Errorf("unexpected name, want %q, got %q", want[i], name)
}
}
}
func Test_metaCacheEntries_filterObjects(t *testing.T) {
data := loadMetacacheSampleEntries(t)
data.filterObjectsOnly()
got := data.entries().names()
want := []string{"src/compress/bzip2/bit_reader.go", "src/compress/bzip2/bzip2.go", "src/compress/bzip2/bzip2_test.go", "src/compress/bzip2/huffman.go", "src/compress/bzip2/move_to_front.go", "src/compress/bzip2/testdata/Isaac.Newton-Opticks.txt.bz2", "src/compress/bzip2/testdata/e.txt.bz2", "src/compress/bzip2/testdata/fail-issue5747.bz2", "src/compress/bzip2/testdata/pass-random1.bin", "src/compress/bzip2/testdata/pass-random1.bz2", "src/compress/bzip2/testdata/pass-random2.bin", "src/compress/bzip2/testdata/pass-random2.bz2", "src/compress/bzip2/testdata/pass-sawtooth.bz2", "src/compress/bzip2/testdata/random.data.bz2", "src/compress/flate/deflate.go", "src/compress/flate/deflate_test.go", "src/compress/flate/deflatefast.go", "src/compress/flate/dict_decoder.go", "src/compress/flate/dict_decoder_test.go", "src/compress/flate/example_test.go", "src/compress/flate/flate_test.go", "src/compress/flate/huffman_bit_writer.go", "src/compress/flate/huffman_bit_writer_test.go", "src/compress/flate/huffman_code.go", "src/compress/flate/inflate.go", "src/compress/flate/inflate_test.go", "src/compress/flate/reader_test.go", "src/compress/flate/testdata/huffman-null-max.dyn.expect", "src/compress/flate/testdata/huffman-null-max.dyn.expect-noinput", "src/compress/flate/testdata/huffman-null-max.golden", "src/compress/flate/testdata/huffman-null-max.in", "src/compress/flate/testdata/huffman-null-max.wb.expect", "src/compress/flate/testdata/huffman-null-max.wb.expect-noinput", "src/compress/flate/testdata/huffman-pi.dyn.expect", "src/compress/flate/testdata/huffman-pi.dyn.expect-noinput", "src/compress/flate/testdata/huffman-pi.golden", "src/compress/flate/testdata/huffman-pi.in", "src/compress/flate/testdata/huffman-pi.wb.expect", "src/compress/flate/testdata/huffman-pi.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-1k.dyn.expect", "src/compress/flate/testdata/huffman-rand-1k.dyn.expect-noinput", "src/compress/flate/testdata/huffman-rand-1k.golden", "src/compress/flate/testdata/huffman-rand-1k.in", "src/compress/flate/testdata/huffman-rand-1k.wb.expect", "src/compress/flate/testdata/huffman-rand-1k.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-limit.dyn.expect", "src/compress/flate/testdata/huffman-rand-limit.dyn.expect-noinput", "src/compress/flate/testdata/huffman-rand-limit.golden", "src/compress/flate/testdata/huffman-rand-limit.in", "src/compress/flate/testdata/huffman-rand-limit.wb.expect", "src/compress/flate/testdata/huffman-rand-limit.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-max.golden", "src/compress/flate/testdata/huffman-rand-max.in", "src/compress/flate/testdata/huffman-shifts.dyn.expect", "src/compress/flate/testdata/huffman-shifts.dyn.expect-noinput", "src/compress/flate/testdata/huffman-shifts.golden", "src/compress/flate/testdata/huffman-shifts.in", "src/compress/flate/testdata/huffman-shifts.wb.expect", "src/compress/flate/testdata/huffman-shifts.wb.expect-noinput", "src/compress/flate/testdata/huffman-text-shift.dyn.expect", "src/compress/flate/testdata/huffman-text-shift.dyn.expect-noinput", "src/compress/flate/testdata/huffman-text-shift.golden", "src/compress/flate/testdata/huffman-text-shift.in", "src/compress/flate/testdata/huffman-text-shift.wb.expect", "src/compress/flate/testdata/huffman-text-shift.wb.expect-noinput", "src/compress/flate/testdata/huffman-text.dyn.expect", "src/compress/flate/testdata/huffman-text.dyn.expect-noinput", "src/compress/flate/testdata/huffman-text.golden", "src/compress/flate/testdata/huffman-text.in", "src/compress/flate/testdata/huffman-text.wb.expect", "src/compress/flate/testdata/huffman-text.wb.expect-noinput", "src/compress/flate/testdata/huffman-zero.dyn.expect", "src/compress/flate/testdata/huffman-zero.dyn.expect-noinput", "src/compress/flate/testdata/huffman-zero.golden", "src/compress/flate/testdata/huffman-zero.in", "src/compress/flate/testdata/huffman-zero.wb.expect", "src/compress/flate/testdata/huffman-zero.wb.expect-noinput", "src/compress/flate/testdata/null-long-match.dyn.expect-noinput", "src/compress/flate/testdata/null-long-match.wb.expect-noinput", "src/compress/flate/token.go", "src/compress/flate/writer_test.go", "src/compress/gzip/example_test.go", "src/compress/gzip/gunzip.go", "src/compress/gzip/gunzip_test.go", "src/compress/gzip/gzip.go", "src/compress/gzip/gzip_test.go", "src/compress/gzip/issue14937_test.go", "src/compress/gzip/testdata/issue6550.gz.base64", "src/compress/lzw/reader.go", "src/compress/lzw/reader_test.go", "src/compress/lzw/writer.go", "src/compress/lzw/writer_test.go", "src/compress/testdata/e.txt", "src/compress/testdata/gettysburg.txt", "src/compress/testdata/pi.txt", "src/compress/zlib/example_test.go", "src/compress/zlib/reader.go", "src/compress/zlib/reader_test.go", "src/compress/zlib/writer.go", "src/compress/zlib/writer_test.go"}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_filterPrefixes(t *testing.T) {
data := loadMetacacheSampleEntries(t)
data.filterPrefixesOnly()
got := data.entries().names()
want := []string{"src/compress/bzip2/", "src/compress/bzip2/testdata/", "src/compress/flate/", "src/compress/flate/testdata/", "src/compress/gzip/", "src/compress/gzip/testdata/", "src/compress/lzw/", "src/compress/testdata/", "src/compress/zlib/"}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_filterRecursive(t *testing.T) {
data := loadMetacacheSampleEntries(t)
data.filterRecursiveEntries("src/compress/bzip2/", slashSeparator)
got := data.entries().names()
want := []string{"src/compress/bzip2/", "src/compress/bzip2/bit_reader.go", "src/compress/bzip2/bzip2.go", "src/compress/bzip2/bzip2_test.go", "src/compress/bzip2/huffman.go", "src/compress/bzip2/move_to_front.go"}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_filterRecursiveRoot(t *testing.T) {
data := loadMetacacheSampleEntries(t)
data.filterRecursiveEntries("", slashSeparator)
got := data.entries().names()
want := []string{}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_filterRecursiveRootSep(t *testing.T) {
data := loadMetacacheSampleEntries(t)
// This will remove anything with "bzip2/" in the path since it is separator
data.filterRecursiveEntries("", "bzip2/")
got := data.entries().names()
want := []string{"src/compress/flate/", "src/compress/flate/deflate.go", "src/compress/flate/deflate_test.go", "src/compress/flate/deflatefast.go", "src/compress/flate/dict_decoder.go", "src/compress/flate/dict_decoder_test.go", "src/compress/flate/example_test.go", "src/compress/flate/flate_test.go", "src/compress/flate/huffman_bit_writer.go", "src/compress/flate/huffman_bit_writer_test.go", "src/compress/flate/huffman_code.go", "src/compress/flate/inflate.go", "src/compress/flate/inflate_test.go", "src/compress/flate/reader_test.go", "src/compress/flate/testdata/", "src/compress/flate/testdata/huffman-null-max.dyn.expect", "src/compress/flate/testdata/huffman-null-max.dyn.expect-noinput", "src/compress/flate/testdata/huffman-null-max.golden", "src/compress/flate/testdata/huffman-null-max.in", "src/compress/flate/testdata/huffman-null-max.wb.expect", "src/compress/flate/testdata/huffman-null-max.wb.expect-noinput", "src/compress/flate/testdata/huffman-pi.dyn.expect", "src/compress/flate/testdata/huffman-pi.dyn.expect-noinput", "src/compress/flate/testdata/huffman-pi.golden", "src/compress/flate/testdata/huffman-pi.in", "src/compress/flate/testdata/huffman-pi.wb.expect", "src/compress/flate/testdata/huffman-pi.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-1k.dyn.expect", "src/compress/flate/testdata/huffman-rand-1k.dyn.expect-noinput", "src/compress/flate/testdata/huffman-rand-1k.golden", "src/compress/flate/testdata/huffman-rand-1k.in", "src/compress/flate/testdata/huffman-rand-1k.wb.expect", "src/compress/flate/testdata/huffman-rand-1k.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-limit.dyn.expect", "src/compress/flate/testdata/huffman-rand-limit.dyn.expect-noinput", "src/compress/flate/testdata/huffman-rand-limit.golden", "src/compress/flate/testdata/huffman-rand-limit.in", "src/compress/flate/testdata/huffman-rand-limit.wb.expect", "src/compress/flate/testdata/huffman-rand-limit.wb.expect-noinput", "src/compress/flate/testdata/huffman-rand-max.golden", "src/compress/flate/testdata/huffman-rand-max.in", "src/compress/flate/testdata/huffman-shifts.dyn.expect", "src/compress/flate/testdata/huffman-shifts.dyn.expect-noinput", "src/compress/flate/testdata/huffman-shifts.golden", "src/compress/flate/testdata/huffman-shifts.in", "src/compress/flate/testdata/huffman-shifts.wb.expect", "src/compress/flate/testdata/huffman-shifts.wb.expect-noinput", "src/compress/flate/testdata/huffman-text-shift.dyn.expect", "src/compress/flate/testdata/huffman-text-shift.dyn.expect-noinput", "src/compress/flate/testdata/huffman-text-shift.golden", "src/compress/flate/testdata/huffman-text-shift.in", "src/compress/flate/testdata/huffman-text-shift.wb.expect", "src/compress/flate/testdata/huffman-text-shift.wb.expect-noinput", "src/compress/flate/testdata/huffman-text.dyn.expect", "src/compress/flate/testdata/huffman-text.dyn.expect-noinput", "src/compress/flate/testdata/huffman-text.golden", "src/compress/flate/testdata/huffman-text.in", "src/compress/flate/testdata/huffman-text.wb.expect", "src/compress/flate/testdata/huffman-text.wb.expect-noinput", "src/compress/flate/testdata/huffman-zero.dyn.expect", "src/compress/flate/testdata/huffman-zero.dyn.expect-noinput", "src/compress/flate/testdata/huffman-zero.golden", "src/compress/flate/testdata/huffman-zero.in", "src/compress/flate/testdata/huffman-zero.wb.expect", "src/compress/flate/testdata/huffman-zero.wb.expect-noinput", "src/compress/flate/testdata/null-long-match.dyn.expect-noinput", "src/compress/flate/testdata/null-long-match.wb.expect-noinput", "src/compress/flate/token.go", "src/compress/flate/writer_test.go", "src/compress/gzip/", "src/compress/gzip/example_test.go", "src/compress/gzip/gunzip.go", "src/compress/gzip/gunzip_test.go", "src/compress/gzip/gzip.go", "src/compress/gzip/gzip_test.go", "src/compress/gzip/issue14937_test.go", "src/compress/gzip/testdata/", "src/compress/gzip/testdata/issue6550.gz.base64", "src/compress/lzw/", "src/compress/lzw/reader.go", "src/compress/lzw/reader_test.go", "src/compress/lzw/writer.go", "src/compress/lzw/writer_test.go", "src/compress/testdata/", "src/compress/testdata/e.txt", "src/compress/testdata/gettysburg.txt", "src/compress/testdata/pi.txt", "src/compress/zlib/", "src/compress/zlib/example_test.go", "src/compress/zlib/reader.go", "src/compress/zlib/reader_test.go", "src/compress/zlib/writer.go", "src/compress/zlib/writer_test.go"}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntries_filterPrefix(t *testing.T) {
data := loadMetacacheSampleEntries(t)
data.filterPrefix("src/compress/bzip2/")
got := data.entries().names()
want := []string{"src/compress/bzip2/", "src/compress/bzip2/bit_reader.go", "src/compress/bzip2/bzip2.go", "src/compress/bzip2/bzip2_test.go", "src/compress/bzip2/huffman.go", "src/compress/bzip2/move_to_front.go", "src/compress/bzip2/testdata/", "src/compress/bzip2/testdata/Isaac.Newton-Opticks.txt.bz2", "src/compress/bzip2/testdata/e.txt.bz2", "src/compress/bzip2/testdata/fail-issue5747.bz2", "src/compress/bzip2/testdata/pass-random1.bin", "src/compress/bzip2/testdata/pass-random1.bz2", "src/compress/bzip2/testdata/pass-random2.bin", "src/compress/bzip2/testdata/pass-random2.bz2", "src/compress/bzip2/testdata/pass-sawtooth.bz2", "src/compress/bzip2/testdata/random.data.bz2"}
if !reflect.DeepEqual(want, got) {
t.Errorf("got unexpected result: %#v", got)
}
}
func Test_metaCacheEntry_isInDir(t *testing.T) {
tests := []struct {
testName string
entry string
dir string
sep string
want bool
}{
{
testName: "basic-file",
entry: "src/file",
dir: "src/",
sep: slashSeparator,
want: true,
},
{
testName: "basic-dir",
entry: "src/dir/",
dir: "src/",
sep: slashSeparator,
want: true,
},
{
testName: "deeper-file",
entry: "src/dir/somewhere.ext",
dir: "src/",
sep: slashSeparator,
want: false,
},
{
testName: "deeper-dir",
entry: "src/dir/somewhere/",
dir: "src/",
sep: slashSeparator,
want: false,
},
{
testName: "root-dir",
entry: "doc/",
dir: "",
sep: slashSeparator,
want: true,
},
{
testName: "root-file",
entry: "word.doc",
dir: "",
sep: slashSeparator,
want: true,
},
}
for _, tt := range tests {
t.Run(tt.testName, func(t *testing.T) {
e := metaCacheEntry{
name: tt.entry,
}
if got := e.isInDir(tt.dir, tt.sep); got != tt.want {
t.Errorf("isInDir() = %v, want %v", got, tt.want)
}
})
}
}
func Test_metaCacheEntries_resolve(t *testing.T) {
baseTime, err := time.Parse("2006/01/02", "2015/02/25")
if err != nil {
t.Fatal(err)
}
inputs := []xlMetaV2{
0: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(30 * time.Minute).UnixNano(),
Signature: [4]byte{1, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
// Mismatches Modtime+Signature and older...
1: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(15 * time.Minute).UnixNano(),
Signature: [4]byte{2, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
// Has another version prior to the one we want.
2: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(60 * time.Minute).UnixNano(),
Signature: [4]byte{2, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(30 * time.Minute).UnixNano(),
Signature: [4]byte{1, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
// Has a completely different version id
3: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(60 * time.Minute).UnixNano(),
Signature: [4]byte{1, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
4: {
versions: []xlMetaV2ShallowVersion{},
},
// Has a zero version id
5: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{},
ModTime: baseTime.Add(60 * time.Minute).UnixNano(),
Signature: [4]byte{5, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
// Zero version, modtime newer..
6: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{},
ModTime: baseTime.Add(90 * time.Minute).UnixNano(),
Signature: [4]byte{6, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
7: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{},
ModTime: baseTime.Add(90 * time.Minute).UnixNano(),
Signature: [4]byte{6, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(60 * time.Minute).UnixNano(),
Signature: [4]byte{2, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(60 * time.Minute).UnixNano(),
Signature: [4]byte{1, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(30 * time.Minute).UnixNano(),
Signature: [4]byte{1, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
// Delete marker.
8: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7},
ModTime: baseTime.Add(90 * time.Minute).UnixNano(),
Signature: [4]byte{6, 1, 1, 1},
Type: DeleteType,
Flags: 0,
}},
},
},
// Delete marker and version from 1
9: {
versions: []xlMetaV2ShallowVersion{
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7},
ModTime: baseTime.Add(90 * time.Minute).UnixNano(),
Signature: [4]byte{6, 1, 1, 1},
Type: DeleteType,
Flags: 0,
}},
{header: xlMetaV2VersionHeader{
VersionID: [16]byte{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
ModTime: baseTime.Add(15 * time.Minute).UnixNano(),
Signature: [4]byte{2, 1, 1, 1},
Type: ObjectType,
Flags: 0,
}},
},
},
}
inputSerialized := make([]metaCacheEntry, len(inputs))
for i, xl := range inputs {
xl.sortByModTime()
var err error
entry := metaCacheEntry{
name: "testobject",
}
entry.metadata, err = xl.AppendTo(nil)
if err != nil {
t.Fatal(err)
}
inputSerialized[i] = entry
}
tests := []struct {
name string
m metaCacheEntries
r metadataResolutionParams
wantSelected *metaCacheEntry
wantOk bool
}{
{
name: "consistent",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[0]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "consistent-strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[0]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "one zero, below quorum",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], metaCacheEntry{}},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: nil,
wantOk: false,
},
{
name: "one zero, below quorum, strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], metaCacheEntry{}},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: true},
wantSelected: nil,
wantOk: false,
},
{
name: "one zero, at quorum",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], metaCacheEntry{}},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "one zero, at quorum, strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], metaCacheEntry{}},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: true},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "modtime, signature mismatch",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "modtime,signature mismatch, strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: true},
wantSelected: nil,
wantOk: false,
},
{
name: "modtime, signature mismatch, at quorum",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "modtime,signature mismatch, at quorum, strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: true},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "additional version",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
// Since we have the same version in all inputs, that is strictly ok.
name: "additional version, strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: true},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
// Since we have the same version in all inputs, that is strictly ok.
name: "additional version, quorum one",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 1, objQuorum: 1, strict: true},
// We get the both versions, since we only request quorum 1
wantSelected: &inputSerialized[2],
wantOk: true,
},
{
name: "additional version, quorum two",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[0], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: true},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "2 additional versions, quorum two",
m: metaCacheEntries{inputSerialized[0], inputSerialized[0], inputSerialized[2], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: true},
wantSelected: &inputSerialized[2],
wantOk: true,
},
{
// inputSerialized[1] have older versions of the second in inputSerialized[2]
name: "modtimemismatch",
m: metaCacheEntries{inputSerialized[1], inputSerialized[1], inputSerialized[2], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: false},
wantSelected: &inputSerialized[2],
wantOk: true,
},
{
// inputSerialized[1] have older versions of the second in inputSerialized[2]
name: "modtimemismatch,strict",
m: metaCacheEntries{inputSerialized[1], inputSerialized[1], inputSerialized[2], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: true},
wantSelected: &inputSerialized[2],
wantOk: true,
},
{
// inputSerialized[1] have older versions of the second in inputSerialized[2], but
// since it is not strict, we should get it that one (with latest modtime)
name: "modtimemismatch,not strict",
m: metaCacheEntries{inputSerialized[1], inputSerialized[1], inputSerialized[2], inputSerialized[2]},
r: metadataResolutionParams{dirQuorum: 4, objQuorum: 4, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "one-q1",
m: metaCacheEntries{inputSerialized[0], inputSerialized[4], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 1, objQuorum: 1, strict: false},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "one-q1-strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[4], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 1, objQuorum: 1, strict: true},
wantSelected: &inputSerialized[0],
wantOk: true,
},
{
name: "one-q2",
m: metaCacheEntries{inputSerialized[0], inputSerialized[4], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: false},
wantSelected: nil,
wantOk: false,
},
{
name: "one-q2-strict",
m: metaCacheEntries{inputSerialized[0], inputSerialized[4], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: true},
wantSelected: nil,
wantOk: false,
},
{
name: "two-diff-q2",
m: metaCacheEntries{inputSerialized[0], inputSerialized[3], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: false},
wantSelected: nil,
wantOk: false,
},
{
name: "zeroid",
m: metaCacheEntries{inputSerialized[5], inputSerialized[5], inputSerialized[6], inputSerialized[6]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: false},
wantSelected: &inputSerialized[6],
wantOk: true,
},
{
// When ID is zero, do not allow non-strict matches to reach quorum.
name: "zeroid-belowq",
m: metaCacheEntries{inputSerialized[5], inputSerialized[5], inputSerialized[6], inputSerialized[6]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: nil,
wantOk: false,
},
{
name: "merge4",
m: metaCacheEntries{inputSerialized[2], inputSerialized[3], inputSerialized[5], inputSerialized[6]},
r: metadataResolutionParams{dirQuorum: 1, objQuorum: 1, strict: false},
wantSelected: &inputSerialized[7],
wantOk: true,
},
{
name: "deletemarker",
m: metaCacheEntries{inputSerialized[8], inputSerialized[4], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 1, objQuorum: 1, strict: false},
wantSelected: &inputSerialized[8],
wantOk: true,
},
{
name: "deletemarker-nonq",
m: metaCacheEntries{inputSerialized[8], inputSerialized[8], inputSerialized[4], inputSerialized[4]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: nil,
wantOk: false,
},
{
name: "deletemarker-nonq",
m: metaCacheEntries{inputSerialized[8], inputSerialized[8], inputSerialized[8], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: &inputSerialized[8],
wantOk: true,
},
{
name: "deletemarker-mixed",
m: metaCacheEntries{inputSerialized[8], inputSerialized[8], inputSerialized[1], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 2, objQuorum: 2, strict: false},
wantSelected: &inputSerialized[9],
wantOk: true,
},
{
name: "deletemarker-q3",
m: metaCacheEntries{inputSerialized[8], inputSerialized[9], inputSerialized[9], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: false},
wantSelected: &inputSerialized[9],
wantOk: true,
},
{
name: "deletemarker-q3-strict",
m: metaCacheEntries{inputSerialized[8], inputSerialized[9], inputSerialized[9], inputSerialized[1]},
r: metadataResolutionParams{dirQuorum: 3, objQuorum: 3, strict: true},
wantSelected: &inputSerialized[9],
wantOk: true,
},
}
for testID, tt := range tests {
rng := rand.New(rand.NewSource(0))
// Run for a number of times, shuffling the input to ensure that output is consistent.
for i := 0; i < 10; i++ {
t.Run(fmt.Sprintf("test-%d-%s-run-%d", testID, tt.name, i), func(t *testing.T) {
if i > 0 {
rng.Shuffle(len(tt.m), func(i, j int) {
tt.m[i], tt.m[j] = tt.m[j], tt.m[i]
})
}
gotSelected, gotOk := tt.m.resolve(&tt.r)
if gotOk != tt.wantOk {
t.Errorf("resolve() gotOk = %v, want %v", gotOk, tt.wantOk)
}
if gotSelected != nil {
gotSelected.cached = nil
gotSelected.reusable = false
}
if !reflect.DeepEqual(gotSelected, tt.wantSelected) {
wantM, _ := tt.wantSelected.xlmeta()
gotM, _ := gotSelected.xlmeta()
t.Errorf("resolve() gotSelected = \n%#v, want \n%#v", *gotM, *wantM)
}
})
}
}
}