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https://github.com/OpenMaxIO/openmaxio-object-browser
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Parity API (#280)
This commit is contained in:
Daniel Valdivia
281
pkg/utils/parity_test.go
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281
pkg/utils/parity_test.go
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@@ -0,0 +1,281 @@
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// This file is part of MinIO Console Server
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// Copyright (c) 2020 MinIO, Inc.
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//
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// All rights reserved
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package utils
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import (
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"reflect"
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"testing"
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"github.com/minio/minio/pkg/ellipses"
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)
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func TestGetDivisibleSize(t *testing.T) {
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testCases := []struct {
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totalSizes []uint64
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result uint64
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}{{[]uint64{24, 32, 16}, 8},
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{[]uint64{32, 8, 4}, 4},
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{[]uint64{8, 8, 8}, 8},
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{[]uint64{24}, 24},
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}
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for _, testCase := range testCases {
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testCase := testCase
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t.Run("", func(t *testing.T) {
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gotGCD := getDivisibleSize(testCase.totalSizes)
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if testCase.result != gotGCD {
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t.Errorf("Expected %v, got %v", testCase.result, gotGCD)
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}
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})
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}
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}
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// Test tests calculating set indexes.
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func TestGetSetIndexes(t *testing.T) {
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testCases := []struct {
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args []string
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totalSizes []uint64
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indexes [][]uint64
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success bool
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}{
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// Invalid inputs.
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{
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[]string{"data{1...3}"},
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[]uint64{3},
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nil,
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false,
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},
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{
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[]string{"data/controller1/export{1...2}, data/controller2/export{1...4}, data/controller3/export{1...8}"},
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[]uint64{2, 4, 8},
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nil,
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false,
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},
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{
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[]string{"data{1...17}/export{1...52}"},
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[]uint64{14144},
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nil,
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false,
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},
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// Valid inputs.
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{
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[]string{"data{1...27}"},
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[]uint64{27},
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[][]uint64{{9, 9, 9}},
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true,
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},
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{
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[]string{"http://host{1...3}/data{1...180}"},
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[]uint64{540},
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[][]uint64{{15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15}},
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true,
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},
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{
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[]string{"http://host{1...2}.rack{1...4}/data{1...180}"},
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[]uint64{1440},
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[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16}},
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true,
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},
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{
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[]string{"http://host{1...2}/data{1...180}"},
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[]uint64{360},
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[][]uint64{{12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12}},
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true,
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},
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{
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[]string{"data/controller1/export{1...4}, data/controller2/export{1...8}, data/controller3/export{1...12}"},
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[]uint64{4, 8, 12},
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[][]uint64{{4}, {4, 4}, {4, 4, 4}},
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true,
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},
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{
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[]string{"data{1...64}"},
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[]uint64{64},
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[][]uint64{{16, 16, 16, 16}},
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true,
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},
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{
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[]string{"data{1...24}"},
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[]uint64{24},
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[][]uint64{{12, 12}},
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true,
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},
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{
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[]string{"data/controller{1...11}/export{1...8}"},
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[]uint64{88},
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[][]uint64{{11, 11, 11, 11, 11, 11, 11, 11}},
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true,
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},
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{
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[]string{"data{1...4}"},
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[]uint64{4},
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[][]uint64{{4}},
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true,
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},
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{
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[]string{"data/controller1/export{1...10}, data/controller2/export{1...10}, data/controller3/export{1...10}"},
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[]uint64{10, 10, 10},
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[][]uint64{{10}, {10}, {10}},
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true,
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},
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{
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[]string{"data{1...16}/export{1...52}"},
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[]uint64{832},
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[][]uint64{{16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16}},
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true,
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},
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}
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for _, testCase := range testCases {
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testCase := testCase
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t.Run("", func(t *testing.T) {
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var argPatterns = make([]ellipses.ArgPattern, len(testCase.args))
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for i, arg := range testCase.args {
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patterns, err := ellipses.FindEllipsesPatterns(arg)
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if err != nil {
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t.Fatalf("Unexpected failure %s", err)
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}
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argPatterns[i] = patterns
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}
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gotIndexes, err := getSetIndexes(testCase.args, testCase.totalSizes, argPatterns)
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if err != nil && testCase.success {
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t.Errorf("Expected success but failed instead %s", err)
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}
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if err == nil && !testCase.success {
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t.Errorf("Expected failure but passed instead")
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}
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if !reflect.DeepEqual(testCase.indexes, gotIndexes) {
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t.Errorf("Expected %v, got %v", testCase.indexes, gotIndexes)
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}
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})
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}
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}
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// Test tests possible parities returned for any input args
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func TestPossibleParities(t *testing.T) {
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testCases := []struct {
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arg string
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parities []string
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success bool
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}{
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// Tests invalid inputs.
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{
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"...",
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nil,
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false,
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},
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// No range specified.
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{
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"{...}",
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nil,
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false,
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},
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// Invalid range.
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{
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"http://minio{2...3}/export/set{1...0}",
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nil,
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false,
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},
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// Range cannot be smaller than 4 minimum.
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{
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"/export{1..2}",
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nil,
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false,
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},
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// Unsupported characters.
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{
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"/export/test{1...2O}",
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nil,
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false,
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},
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// Tests valid inputs.
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{
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"{1...27}",
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[]string{"EC:4", "EC:3", "EC:2"},
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true,
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},
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{
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"/export/set{1...64}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// Valid input for distributed setup.
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{
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"http://minio{2...3}/export/set{1...64}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// Supporting some advanced cases.
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{
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"http://minio{1...64}.mydomain.net/data",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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{
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"http://rack{1...4}.mydomain.minio{1...16}/data",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// Supporting kubernetes cases.
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{
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"http://minio{0...15}.mydomain.net/data{0...1}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// No host regex, just disks.
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{
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"http://server1/data{1...32}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// No host regex, just disks with two position numerics.
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{
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"http://server1/data{01...32}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// More than 2 ellipses are supported as well.
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{
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"http://minio{2...3}/export/set{1...64}/test{1...2}",
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[]string{"EC:8", "EC:7", "EC:6", "EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// More than 1 ellipses per argument for standalone setup.
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{
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"/export{1...10}/disk{1...10}",
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[]string{"EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// IPv6 ellipses with hexadecimal expansion
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{
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"http://[2001:3984:3989::{1...a}]/disk{1...10}",
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[]string{"EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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// IPv6 ellipses with hexadecimal expansion with 3 position numerics.
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{
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"http://[2001:3984:3989::{001...00a}]/disk{1...10}",
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[]string{"EC:5", "EC:4", "EC:3", "EC:2"},
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true,
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},
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}
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for _, testCase := range testCases {
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testCase := testCase
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t.Run("", func(t *testing.T) {
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gotPs, err := PossibleParityValues(testCase.arg)
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if err != nil && testCase.success {
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t.Errorf("Expected success but failed instead %s", err)
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}
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if err == nil && !testCase.success {
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t.Errorf("Expected failure but passed instead")
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}
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if !reflect.DeepEqual(testCase.parities, gotPs) {
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t.Errorf("Expected %v, got %v", testCase.parities, gotPs)
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}
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})
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}
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}
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