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0724205f35
Add `MINIO_API_EXTEND_LIST_CACHE_LIFE` that will extend the life of generated caches for a while. This changes caches to remain valid until no updates have been received for the specified time plus a fixed margin. This also changes the caches from being invalidated when the *first* set finishes until the *last* set has finished plus the specified time has passed.
302 lines
8.2 KiB
Go
302 lines
8.2 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2020 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"testing"
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"time"
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)
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var metaCacheTestsetTimestamp = time.Now()
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var metaCacheTestset = []metacache{
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0: {
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id: "case-1-normal",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: false,
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status: scanStateSuccess,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp,
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ended: metaCacheTestsetTimestamp.Add(time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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1: {
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id: "case-2-recursive",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: true,
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status: scanStateSuccess,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp,
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ended: metaCacheTestsetTimestamp.Add(time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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2: {
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id: "case-3-older",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: false,
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status: scanStateSuccess,
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fileNotFound: true,
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error: "",
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started: metaCacheTestsetTimestamp.Add(-time.Minute),
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ended: metaCacheTestsetTimestamp,
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lastUpdate: metaCacheTestsetTimestamp,
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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3: {
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id: "case-4-error",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: false,
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status: scanStateError,
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fileNotFound: false,
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error: "an error lol",
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started: metaCacheTestsetTimestamp.Add(-20 * time.Minute),
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ended: metaCacheTestsetTimestamp.Add(-20 * time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(-20 * time.Minute),
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lastHandout: metaCacheTestsetTimestamp.Add(-20 * time.Minute),
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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4: {
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id: "case-5-noupdate",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: false,
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status: scanStateStarted,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp.Add(-time.Minute),
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ended: time.Time{},
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lastUpdate: metaCacheTestsetTimestamp.Add(-time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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5: {
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id: "case-6-404notfound",
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bucket: "bucket",
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root: "folder/notfound",
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recursive: true,
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status: scanStateSuccess,
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fileNotFound: true,
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error: "",
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started: metaCacheTestsetTimestamp,
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ended: metaCacheTestsetTimestamp.Add(time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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6: {
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id: "case-7-oldcycle",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: true,
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status: scanStateSuccess,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp.Add(-10 * time.Minute),
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ended: metaCacheTestsetTimestamp.Add(-8 * time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(-8 * time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 6,
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endedCycle: 8,
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dataVersion: metacacheStreamVersion,
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},
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7: {
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id: "case-8-running",
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bucket: "bucket",
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root: "folder/running",
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recursive: false,
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status: scanStateStarted,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp.Add(-1 * time.Minute),
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ended: time.Time{},
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lastUpdate: metaCacheTestsetTimestamp.Add(-1 * time.Minute),
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lastHandout: metaCacheTestsetTimestamp,
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startedCycle: 10,
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endedCycle: 0,
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dataVersion: metacacheStreamVersion,
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},
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8: {
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id: "case-8-finished-a-week-ago",
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bucket: "bucket",
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root: "folder/finished",
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recursive: false,
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status: scanStateSuccess,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp.Add(-7 * 24 * time.Hour),
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ended: metaCacheTestsetTimestamp.Add(-7 * 24 * time.Hour),
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lastUpdate: metaCacheTestsetTimestamp.Add(-7 * 24 * time.Hour),
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lastHandout: metaCacheTestsetTimestamp.Add(-7 * 24 * time.Hour),
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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},
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}
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func Test_baseDirFromPrefix(t *testing.T) {
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tests := []struct {
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name string
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prefix string
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want string
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}{
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{
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name: "root",
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prefix: "object.ext",
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want: "",
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},
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{
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name: "rootdotslash",
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prefix: "./object.ext",
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want: "",
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},
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{
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name: "rootslash",
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prefix: "/",
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want: "",
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},
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{
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name: "folder",
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prefix: "prefix/",
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want: "prefix/",
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},
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{
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name: "folderobj",
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prefix: "prefix/obj.ext",
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want: "prefix/",
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},
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{
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name: "folderfolderobj",
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prefix: "prefix/prefix2/obj.ext",
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want: "prefix/prefix2/",
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},
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{
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name: "folderfolder",
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prefix: "prefix/prefix2/",
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want: "prefix/prefix2/",
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := baseDirFromPrefix(tt.prefix); got != tt.want {
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t.Errorf("baseDirFromPrefix() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func Test_metacache_canBeReplacedBy(t *testing.T) {
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testAgainst := metacache{
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id: "case-1-modified",
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bucket: "bucket",
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root: "folder/prefix",
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recursive: true,
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status: scanStateSuccess,
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fileNotFound: false,
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error: "",
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started: metaCacheTestsetTimestamp.Add(time.Minute),
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ended: metaCacheTestsetTimestamp.Add(2 * time.Minute),
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lastUpdate: metaCacheTestsetTimestamp.Add(2 * time.Minute),
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lastHandout: metaCacheTestsetTimestamp.Add(time.Minute),
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startedCycle: 10,
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endedCycle: 10,
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dataVersion: metacacheStreamVersion,
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}
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wantResults := []bool{0: true, 1: true, 2: true, 3: true, 4: true, 5: false, 6: true, 7: false, 8: false}
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for i, tt := range metaCacheTestset {
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t.Run(tt.id, func(t *testing.T) {
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var want bool
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if i >= len(wantResults) {
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t.Logf("no expected result for test #%d", i)
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} else {
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want = wantResults[i]
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}
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// Add an hour, otherwise it will never be replaced.
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// We operated on a copy.
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tt.lastHandout = tt.lastHandout.Add(-2 * time.Hour)
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tt.lastUpdate = tt.lastHandout.Add(-2 * time.Hour)
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got := tt.canBeReplacedBy(&testAgainst)
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if got != want {
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t.Errorf("#%d: want %v, got %v", i, want, got)
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}
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})
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}
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}
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func Test_metacache_finished(t *testing.T) {
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wantResults := []bool{0: true, 1: true, 2: true, 3: true, 4: false, 5: true, 6: true, 7: false, 8: true}
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for i, tt := range metaCacheTestset {
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t.Run(tt.id, func(t *testing.T) {
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var want bool
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if i >= len(wantResults) {
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t.Logf("no expected result for test #%d", i)
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} else {
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want = wantResults[i]
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}
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got := tt.finished()
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if got != want {
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t.Errorf("#%d: want %v, got %v", i, want, got)
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}
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})
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}
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}
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func Test_metacache_worthKeeping(t *testing.T) {
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wantResults := []bool{0: true, 1: true, 2: true, 3: false, 4: false, 5: true, 6: false, 7: false, 8: false}
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for i, tt := range metaCacheTestset {
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t.Run(tt.id, func(t *testing.T) {
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var want bool
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if i >= len(wantResults) {
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t.Logf("no expected result for test #%d", i)
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} else {
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want = wantResults[i]
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}
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got := tt.worthKeeping(7 + dataUsageUpdateDirCycles)
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if got != want {
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t.Errorf("#%d: want %v, got %v", i, want, got)
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}
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})
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}
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}
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