mirror of
https://github.com/minio/minio.git
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273 lines
7.2 KiB
Go
273 lines
7.2 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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"context"
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"strconv"
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"testing"
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"time"
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"github.com/dustin/go-humanize"
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)
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const ActualSize = 1000
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// Test FileInfo.AddObjectPart()
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func TestAddObjectPart(t *testing.T) {
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testCases := []struct {
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partNum int
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expectedIndex int
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}{
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{1, 0},
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{2, 1},
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{4, 2},
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{5, 3},
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{7, 4},
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// Insert part.
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{3, 2},
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// Replace existing part.
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{4, 3},
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// Missing part.
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{6, -1},
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}
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// Setup.
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fi := newFileInfo("test-object", 8, 8)
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fi.Erasure.Index = 1
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if !fi.IsValid() {
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t.Fatalf("unable to get xl meta")
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}
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// Test them.
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for _, testCase := range testCases {
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if testCase.expectedIndex > -1 {
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partNumString := strconv.Itoa(testCase.partNum)
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fi.AddObjectPart(testCase.partNum, "etag."+partNumString, int64(testCase.partNum+humanize.MiByte), ActualSize, UTCNow(), nil, nil)
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}
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if index := objectPartIndex(fi.Parts, testCase.partNum); index != testCase.expectedIndex {
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t.Fatalf("%+v: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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}
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}
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}
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// Test objectPartIndex(). generates a sample FileInfo data and asserts
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// the output of objectPartIndex() with the expected value.
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func TestObjectPartIndex(t *testing.T) {
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testCases := []struct {
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partNum int
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expectedIndex int
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}{
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{2, 1},
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{1, 0},
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{5, 3},
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{4, 2},
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{7, 4},
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}
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// Setup.
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fi := newFileInfo("test-object", 8, 8)
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fi.Erasure.Index = 1
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if !fi.IsValid() {
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t.Fatalf("unable to get xl meta")
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}
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// Add some parts for testing.
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for _, testCase := range testCases {
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partNumString := strconv.Itoa(testCase.partNum)
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fi.AddObjectPart(testCase.partNum, "etag."+partNumString, int64(testCase.partNum+humanize.MiByte), ActualSize, UTCNow(), nil, nil)
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}
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// Add failure test case.
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testCases = append(testCases, struct {
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partNum int
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expectedIndex int
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}{6, -1})
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// Test them.
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for _, testCase := range testCases {
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if index := objectPartIndex(fi.Parts, testCase.partNum); index != testCase.expectedIndex {
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t.Fatalf("%+v: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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}
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}
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}
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// Test FileInfo.ObjectToPartOffset().
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func TestObjectToPartOffset(t *testing.T) {
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// Setup.
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fi := newFileInfo("test-object", 8, 8)
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fi.Erasure.Index = 1
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if !fi.IsValid() {
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t.Fatalf("unable to get xl meta")
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}
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// Add some parts for testing.
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// Total size of all parts is 5,242,899 bytes.
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for _, partNum := range []int{1, 2, 4, 5, 7} {
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partNumString := strconv.Itoa(partNum)
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fi.AddObjectPart(partNum, "etag."+partNumString, int64(partNum+humanize.MiByte), ActualSize, UTCNow(), nil, nil)
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}
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testCases := []struct {
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offset int64
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expectedIndex int
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expectedOffset int64
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expectedErr error
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}{
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{0, 0, 0, nil},
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{1 * humanize.MiByte, 0, 1 * humanize.MiByte, nil},
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{1 + humanize.MiByte, 1, 0, nil},
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{2 + humanize.MiByte, 1, 1, nil},
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// Its valid for zero sized object.
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{-1, 0, -1, nil},
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// Max fffset is always (size - 1).
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{(1 + 2 + 4 + 5 + 7) + (5 * humanize.MiByte) - 1, 4, 1048582, nil},
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// Error if offset is size.
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{(1 + 2 + 4 + 5 + 7) + (5 * humanize.MiByte), 0, 0, InvalidRange{}},
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}
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// Test them.
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for _, testCase := range testCases {
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index, offset, err := fi.ObjectToPartOffset(context.Background(), testCase.offset)
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if err != testCase.expectedErr {
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t.Fatalf("%+v: expected = %s, got: %s", testCase, testCase.expectedErr, err)
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}
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if index != testCase.expectedIndex {
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t.Fatalf("%+v: index: expected = %d, got: %d", testCase, testCase.expectedIndex, index)
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}
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if offset != testCase.expectedOffset {
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t.Fatalf("%+v: offset: expected = %d, got: %d", testCase, testCase.expectedOffset, offset)
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}
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}
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}
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func TestFindFileInfoInQuorum(t *testing.T) {
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getNFInfo := func(n int, quorum int, t int64, dataDir string) []FileInfo {
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fi := newFileInfo("test", 8, 8)
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fi.AddObjectPart(1, "etag", 100, 100, UTCNow(), nil, nil)
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fi.ModTime = time.Unix(t, 0)
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fi.DataDir = dataDir
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fis := make([]FileInfo, n)
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for i := range fis {
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fis[i] = fi
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fis[i].Erasure.Index = i + 1
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quorum--
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if quorum == 0 {
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break
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}
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}
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return fis
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}
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tests := []struct {
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fis []FileInfo
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modTime time.Time
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expectedErr error
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expectedQuorum int
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}{
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{
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fis: getNFInfo(16, 16, 1603863445, "36a21454-a2ca-11eb-bbaa-93a81c686f21"),
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modTime: time.Unix(1603863445, 0),
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expectedErr: nil,
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expectedQuorum: 8,
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},
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{
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fis: getNFInfo(16, 7, 1603863445, "36a21454-a2ca-11eb-bbaa-93a81c686f21"),
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modTime: time.Unix(1603863445, 0),
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expectedErr: errErasureReadQuorum,
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expectedQuorum: 8,
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},
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{
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fis: getNFInfo(16, 16, 1603863445, "36a21454-a2ca-11eb-bbaa-93a81c686f21"),
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modTime: time.Unix(1603863445, 0),
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expectedErr: errErasureReadQuorum,
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expectedQuorum: 0,
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},
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}
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for _, test := range tests {
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test := test
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t.Run("", func(t *testing.T) {
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_, err := findFileInfoInQuorum(context.Background(), test.fis, test.modTime, test.expectedQuorum)
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if err != test.expectedErr {
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t.Errorf("Expected %s, got %s", test.expectedErr, err)
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}
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})
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}
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}
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func TestTransitionInfoEquals(t *testing.T) {
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inputs := []struct {
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tier string
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remoteObjName string
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remoteVersionID string
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status string
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}{
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{
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tier: "S3TIER-1",
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remoteObjName: mustGetUUID(),
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remoteVersionID: mustGetUUID(),
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status: "complete",
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},
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{
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tier: "S3TIER-2",
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remoteObjName: mustGetUUID(),
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remoteVersionID: mustGetUUID(),
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status: "complete",
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},
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}
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var i uint
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for i = 0; i < 8; i++ {
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fi := FileInfo{
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TransitionTier: inputs[0].tier,
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TransitionedObjName: inputs[0].remoteObjName,
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TransitionVersionID: inputs[0].remoteVersionID,
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TransitionStatus: inputs[0].status,
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}
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ofi := fi
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if i&(1<<0) != 0 {
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ofi.TransitionTier = inputs[1].tier
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}
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if i&(1<<1) != 0 {
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ofi.TransitionedObjName = inputs[1].remoteObjName
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}
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if i&(1<<2) != 0 {
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ofi.TransitionVersionID = inputs[1].remoteVersionID
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}
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actual := fi.TransitionInfoEquals(ofi)
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if i == 0 && !actual {
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t.Fatalf("Test %d: Expected FileInfo's transition info to be equal: fi %v ofi %v", i, fi, ofi)
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}
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if i != 0 && actual {
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t.Fatalf("Test %d: Expected FileInfo's transition info to be inequal: fi %v ofi %v", i, fi, ofi)
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}
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}
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fi := FileInfo{
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TransitionTier: inputs[0].tier,
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TransitionedObjName: inputs[0].remoteObjName,
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TransitionVersionID: inputs[0].remoteVersionID,
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TransitionStatus: inputs[0].status,
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}
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ofi := FileInfo{}
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if fi.TransitionInfoEquals(ofi) {
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t.Fatalf("Expected to be inequal: fi %v ofi %v", fi, ofi)
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}
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}
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