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fa9cf1251b
* Provide information on *actively* healing, buckets healed/queued, objects healed/failed. * Add concurrent healing of multiple sets (typically on startup). * Add bucket level resume, so restarts will only heal non-healed buckets. * Print summary after healing a disk is done.
233 lines
6.6 KiB
Go
233 lines
6.6 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2017 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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"context"
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"os"
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"path/filepath"
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"testing"
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"github.com/google/uuid"
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)
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var testUUID = uuid.MustParse("f5c58c61-7175-4018-ab5e-a94fe9c2de4e")
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func BenchmarkCrcHash(b *testing.B) {
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cases := []struct {
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key int
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}{
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{16},
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{64},
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{128},
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{256},
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{512},
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{1024},
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}
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for _, testCase := range cases {
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testCase := testCase
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key := randString(testCase.key)
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b.Run("", func(b *testing.B) {
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b.SetBytes(1024)
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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crcHashMod(key, 16)
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}
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})
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}
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}
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func BenchmarkSipHash(b *testing.B) {
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cases := []struct {
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key int
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}{
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{16},
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{64},
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{128},
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{256},
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{512},
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{1024},
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}
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for _, testCase := range cases {
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testCase := testCase
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key := randString(testCase.key)
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b.Run("", func(b *testing.B) {
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b.SetBytes(1024)
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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sipHashMod(key, 16, testUUID)
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}
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})
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}
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}
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// TestSipHashMod - test sip hash.
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func TestSipHashMod(t *testing.T) {
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testCases := []struct {
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objectName string
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sipHash int
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}{
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// cases which should pass the test.
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// passing in valid object name.
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{"object", 37},
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{"The Shining Script <v1>.pdf", 38},
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{"Cost Benefit Analysis (2009-2010).pptx", 59},
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{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 35},
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{"SHØRT", 49},
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{"There are far too many object names, and far too few bucket names!", 8},
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{"a/b/c/", 159},
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{"/a/b/c", 96},
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{string([]byte{0xff, 0xfe, 0xfd}), 147},
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}
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// Tests hashing order to be consistent.
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for i, testCase := range testCases {
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if sipHashElement := hashKey("SIPMOD", testCase.objectName, 200, testUUID); sipHashElement != testCase.sipHash {
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t.Errorf("Test case %d: Expected \"%v\" but failed \"%v\"", i+1, testCase.sipHash, sipHashElement)
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}
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}
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if sipHashElement := hashKey("SIPMOD", "This will fail", -1, testUUID); sipHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
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}
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if sipHashElement := hashKey("SIPMOD", "This will fail", 0, testUUID); sipHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
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}
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if sipHashElement := hashKey("UNKNOWN", "This will fail", 0, testUUID); sipHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", sipHashElement)
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}
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}
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// TestCrcHashMod - test crc hash.
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func TestCrcHashMod(t *testing.T) {
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testCases := []struct {
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objectName string
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crcHash int
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}{
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// cases which should pass the test.
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// passing in valid object name.
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{"object", 28},
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{"The Shining Script <v1>.pdf", 142},
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{"Cost Benefit Analysis (2009-2010).pptx", 133},
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{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", 185},
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{"SHØRT", 97},
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{"There are far too many object names, and far too few bucket names!", 101},
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{"a/b/c/", 193},
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{"/a/b/c", 116},
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{string([]byte{0xff, 0xfe, 0xfd}), 61},
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}
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// Tests hashing order to be consistent.
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for i, testCase := range testCases {
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if crcHashElement := hashKey("CRCMOD", testCase.objectName, 200, testUUID); crcHashElement != testCase.crcHash {
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t.Errorf("Test case %d: Expected \"%v\" but failed \"%v\"", i+1, testCase.crcHash, crcHashElement)
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}
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}
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if crcHashElement := hashKey("CRCMOD", "This will fail", -1, testUUID); crcHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", crcHashElement)
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}
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if crcHashElement := hashKey("CRCMOD", "This will fail", 0, testUUID); crcHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", crcHashElement)
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}
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if crcHashElement := hashKey("UNKNOWN", "This will fail", 0, testUUID); crcHashElement != -1 {
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t.Errorf("Test: Expected \"-1\" but got \"%v\"", crcHashElement)
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}
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}
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// TestNewErasure - tests initialization of all input disks
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// and constructs a valid `Erasure` object
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func TestNewErasureSets(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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var nDisks = 16 // Maximum disks.
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var erasureDisks []string
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for i := 0; i < nDisks; i++ {
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// Do not attempt to create this path, the test validates
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// so that newErasureSets initializes non existing paths
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// and successfully returns initialized object layer.
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disk := filepath.Join(globalTestTmpDir, "minio-"+nextSuffix())
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erasureDisks = append(erasureDisks, disk)
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defer os.RemoveAll(disk)
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}
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endpoints := mustGetNewEndpoints(erasureDisks...)
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_, _, err := waitForFormatErasure(true, endpoints, 1, 0, 16, "", "")
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if err != errInvalidArgument {
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t.Fatalf("Expecting error, got %s", err)
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}
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_, _, err = waitForFormatErasure(true, nil, 1, 1, 16, "", "")
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if err != errInvalidArgument {
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t.Fatalf("Expecting error, got %s", err)
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}
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// Initializes all erasure disks
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storageDisks, format, err := waitForFormatErasure(true, endpoints, 1, 1, 16, "", "")
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if err != nil {
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t.Fatalf("Unable to format disks for erasure, %s", err)
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}
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if _, err := newErasureSets(ctx, endpoints, storageDisks, format, ecDrivesNoConfig(16), 0); err != nil {
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t.Fatalf("Unable to initialize erasure")
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}
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}
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// TestHashedLayer - tests the hashed layer which will be returned
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// consistently for a given object name.
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func TestHashedLayer(t *testing.T) {
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// Test distribution with 16 sets.
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var objs [16]*erasureObjects
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for i := range objs {
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objs[i] = &erasureObjects{}
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}
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sets := &erasureSets{sets: objs[:], distributionAlgo: "CRCMOD"}
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testCases := []struct {
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objectName string
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expectedObj *erasureObjects
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}{
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// cases which should pass the test.
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// passing in valid object name.
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{"object", objs[12]},
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{"The Shining Script <v1>.pdf", objs[14]},
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{"Cost Benefit Analysis (2009-2010).pptx", objs[13]},
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{"117Gn8rfHL2ACARPAhaFd0AGzic9pUbIA/5OCn5A", objs[1]},
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{"SHØRT", objs[9]},
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{"There are far too many object names, and far too few bucket names!", objs[13]},
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{"a/b/c/", objs[1]},
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{"/a/b/c", objs[4]},
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{string([]byte{0xff, 0xfe, 0xfd}), objs[13]},
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}
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// Tests hashing order to be consistent.
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for i, testCase := range testCases {
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gotObj := sets.getHashedSet(testCase.objectName)
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if gotObj != testCase.expectedObj {
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t.Errorf("Test case %d: Expected \"%#v\" but failed \"%#v\"", i+1, testCase.expectedObj, gotObj)
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}
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}
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}
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