mirror of
https://github.com/minio/minio.git
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cba3dd276b
New intervals: [1024B, 64KiB) [64KiB, 256KiB) [256KiB, 512KiB) [512KiB, 1MiB) The new intervals helps us see object size distribution with higher resolution for the interval [1024B, 1MiB).
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
// Copyright (c) 2015-2023 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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"fmt"
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"testing"
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"github.com/dustin/go-humanize"
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)
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func TestSizeHistogramToMap(t *testing.T) {
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tests := []struct {
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sizes []int64
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want map[string]uint64
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}{
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{
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sizes: []int64{100, 1000, 72_000, 100_000},
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want: map[string]uint64{
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"LESS_THAN_1024_B": 2,
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"BETWEEN_64_KB_AND_256_KB": 2,
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"BETWEEN_1024B_AND_1_MB": 2,
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},
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},
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{
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sizes: []int64{100, 1000, 2000, 100_000, 13 * humanize.MiByte},
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want: map[string]uint64{
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"LESS_THAN_1024_B": 2,
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"BETWEEN_1024_B_AND_64_KB": 1,
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"BETWEEN_64_KB_AND_256_KB": 1,
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"BETWEEN_1024B_AND_1_MB": 2,
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"BETWEEN_10_MB_AND_64_MB": 1,
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},
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},
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}
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for i, test := range tests {
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t.Run(fmt.Sprintf("Test-%d", i), func(t *testing.T) {
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var h sizeHistogram
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for _, sz := range test.sizes {
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h.add(sz)
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}
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got := h.toMap()
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exp := test.want
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// what is in exp is in got
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for k := range exp {
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if exp[k] != got[k] {
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t.Fatalf("interval %s: Expected %d values but got %d values\n", k, exp[k], got[k])
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}
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}
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// what is absent in exp is absent in got too
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for k := range got {
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if _, ok := exp[k]; !ok && got[k] > 0 {
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t.Fatalf("Unexpected interval: %s has value %d\n", k, got[k])
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}
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}
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})
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}
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}
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func TestMigrateSizeHistogramFromV1(t *testing.T) {
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tests := []struct {
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v sizeHistogramV1
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want sizeHistogram
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}{
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{
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v: sizeHistogramV1{0: 10, 1: 20, 2: 3},
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want: sizeHistogram{0: 10, 5: 20, 6: 3},
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},
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{
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v: sizeHistogramV1{0: 10, 1: 20, 2: 3, 3: 4, 4: 5, 5: 6, 6: 7},
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want: sizeHistogram{0: 10, 5: 20, 6: 3, 7: 4, 8: 5, 9: 6, 10: 7},
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},
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}
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for i, test := range tests {
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t.Run(fmt.Sprintf("test-%d", i), func(t *testing.T) {
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var got sizeHistogram
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got.mergeV1(test.v)
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if got != test.want {
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t.Fatalf("Expected %v but got %v", test.want, got)
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}
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})
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}
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}
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