428 lines
15 KiB
Go
428 lines
15 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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"io"
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"io/ioutil"
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"reflect"
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"sync"
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"testing"
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)
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var loadMetacacheSampleNames = []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", "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"}
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func loadMetacacheSample(t testing.TB) *metacacheReader {
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b, err := ioutil.ReadFile("testdata/metacache.s2")
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if err != nil {
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t.Fatal(err)
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}
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return newMetacacheReader(bytes.NewReader(b))
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}
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func loadMetacacheSampleEntries(t testing.TB) metaCacheEntriesSorted {
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r := loadMetacacheSample(t)
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defer r.Close()
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entries, err := r.readN(-1, false, true, "")
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if err != io.EOF {
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t.Fatal(err)
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}
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return entries
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}
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func Test_metacacheReader_readNames(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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names, err := r.readNames(-1)
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if err != io.EOF {
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t.Fatal(err)
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}
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want := loadMetacacheSampleNames
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if !reflect.DeepEqual(names, want) {
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t.Errorf("got unexpected result: %#v", names)
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}
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}
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func Test_metacacheReader_readN(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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entries, err := r.readN(-1, false, true, "")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want := loadMetacacheSampleNames
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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want = want[:0]
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entries, err = r.readN(0, false, true, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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// Reload.
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(0, false, true, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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entries, err = r.readN(5, false, true, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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want = loadMetacacheSampleNames[:5]
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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}
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func Test_metacacheReader_readNDirs(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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entries, err := r.readN(-1, false, true, "")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want := loadMetacacheSampleNames
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var noDirs []string
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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if !entry.isDir() {
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noDirs = append(noDirs, entry.name)
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}
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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want = noDirs
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(-1, false, false, "")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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want = want[:0]
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entries, err = r.readN(0, false, false, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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// Reload.
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(0, false, false, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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entries, err = r.readN(5, false, false, "")
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if err != nil {
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t.Fatal(err, entries.len())
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}
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want = noDirs[:5]
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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}
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func Test_metacacheReader_readNPrefix(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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entries, err := r.readN(-1, false, true, "src/compress/bzip2/")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want := loadMetacacheSampleNames[:16]
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(-1, false, true, "src/nonexist")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want = loadMetacacheSampleNames[:0]
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(-1, false, true, "src/a")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want = loadMetacacheSampleNames[:0]
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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r = loadMetacacheSample(t)
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defer r.Close()
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entries, err = r.readN(-1, false, true, "src/compress/zlib/e")
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if err != io.EOF {
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t.Fatal(err, entries.len())
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}
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want = []string{"src/compress/zlib/example_test.go"}
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if entries.len() != len(want) {
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t.Fatal("unexpected length:", entries.len(), "want:", len(want))
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}
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for i, entry := range entries.entries() {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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}
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}
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func Test_metacacheReader_readFn(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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i := 0
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err := r.readFn(func(entry metaCacheEntry) bool {
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want := loadMetacacheSampleNames[i]
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if entry.name != want {
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t.Errorf("entry %d, want %q, got %q", i, want, entry.name)
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}
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i++
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return true
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})
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if err != io.EOF {
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t.Fatal(err)
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}
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}
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func Test_metacacheReader_readAll(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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var readErr error
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objs := make(chan metaCacheEntry, 1)
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var wg sync.WaitGroup
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wg.Add(1)
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go func() {
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readErr = r.readAll(context.Background(), objs)
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wg.Done()
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}()
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want := loadMetacacheSampleNames
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i := 0
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for entry := range objs {
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if entry.name != want[i] {
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t.Errorf("entry %d, want %q, got %q", i, want[i], entry.name)
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}
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i++
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}
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wg.Wait()
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if readErr != nil {
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t.Fatal(readErr)
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}
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}
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func Test_metacacheReader_forwardTo(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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err := r.forwardTo("src/compress/zlib/reader_test.go")
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if err != nil {
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t.Fatal(err)
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}
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names, err := r.readNames(-1)
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if err != io.EOF {
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t.Fatal(err)
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}
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want := []string{"src/compress/zlib/reader_test.go", "src/compress/zlib/writer.go", "src/compress/zlib/writer_test.go"}
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if !reflect.DeepEqual(names, want) {
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t.Errorf("got unexpected result: %#v", names)
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}
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// Try with prefix
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r = loadMetacacheSample(t)
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err = r.forwardTo("src/compress/zlib/reader_t")
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if err != nil {
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t.Fatal(err)
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}
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names, err = r.readNames(-1)
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if err != io.EOF {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(names, want) {
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t.Errorf("got unexpected result: %#v", names)
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}
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}
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func Test_metacacheReader_next(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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for i, want := range loadMetacacheSampleNames {
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gotObj, err := r.next()
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if err != nil {
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t.Fatal(err)
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}
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if gotObj.name != want {
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t.Errorf("entry %d, want %q, got %q", i, want, gotObj.name)
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}
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}
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}
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func Test_metacacheReader_peek(t *testing.T) {
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r := loadMetacacheSample(t)
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defer r.Close()
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for i, want := range loadMetacacheSampleNames {
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got, err := r.peek()
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if err == io.EOF {
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break
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}
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if err != nil {
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t.Fatal(err)
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}
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if got.name != want {
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t.Errorf("entry %d, want %q, got %q", i, want, got.name)
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}
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gotObj, err := r.next()
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if err != nil {
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t.Fatal(err)
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}
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if gotObj.name != want {
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t.Errorf("entry %d, want %q, got %q", i, want, gotObj.name)
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}
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}
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}
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func Test_newMetacacheStream(t *testing.T) {
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r := loadMetacacheSample(t)
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var buf bytes.Buffer
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w := newMetacacheWriter(&buf, 1<<20)
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defer w.Close()
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err := r.readFn(func(object metaCacheEntry) bool {
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err := w.write(object)
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if err != nil {
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t.Fatal(err)
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}
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return true
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})
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r.Close()
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if err != io.EOF {
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t.Fatal(err)
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}
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err = w.Close()
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if err != nil {
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t.Fatal(err)
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}
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r = newMetacacheReader(&buf)
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defer r.Close()
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names, err := r.readNames(-1)
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if err != io.EOF {
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t.Fatal(err)
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}
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want := loadMetacacheSampleNames
|
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if !reflect.DeepEqual(names, want) {
|
|
t.Errorf("got unexpected result: %#v", names)
|
|
}
|
|
}
|
|
|
|
func Test_metacacheReader_skip(t *testing.T) {
|
|
r := loadMetacacheSample(t)
|
|
defer r.Close()
|
|
names, err := r.readNames(5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want := loadMetacacheSampleNames[:5]
|
|
if !reflect.DeepEqual(names, want) {
|
|
t.Errorf("got unexpected result: %#v", names)
|
|
}
|
|
err = r.skip(5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
names, err = r.readNames(5)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
want = loadMetacacheSampleNames[10:15]
|
|
if !reflect.DeepEqual(names, want) {
|
|
t.Errorf("got unexpected result: %#v", names)
|
|
}
|
|
|
|
err = r.skip(len(loadMetacacheSampleNames))
|
|
if err != io.EOF {
|
|
t.Fatal(err)
|
|
}
|
|
}
|