mirror of https://github.com/poanetwork/gecko.git
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package snowball
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import (
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/ava-labs/gecko/ids"
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)
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func TestFlatParams(t *testing.T) { ParamsTest(t, FlatFactory{}) }
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func TestFlat(t *testing.T) {
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params := Parameters{
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Metrics: prometheus.NewRegistry(),
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K: 2, Alpha: 2, BetaVirtuous: 1, BetaRogue: 2,
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}
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f := Flat{}
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f.Initialize(params, Red)
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f.Add(Green)
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f.Add(Blue)
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if pref := f.Preference(); !pref.Equals(Red) {
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t.Fatalf("Wrong preference. Expected %s got %s", Red, pref)
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} else if f.Finalized() {
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t.Fatalf("Finalized too early")
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}
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twoBlue := ids.Bag{}
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twoBlue.Add(Blue, Blue)
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f.RecordPoll(twoBlue)
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if pref := f.Preference(); !pref.Equals(Blue) {
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t.Fatalf("Wrong preference. Expected %s got %s", Red, pref)
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} else if f.Finalized() {
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t.Fatalf("Finalized too early")
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}
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oneRedOneBlue := ids.Bag{}
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twoBlue.Add(Red, Blue)
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f.RecordPoll(oneRedOneBlue)
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if pref := f.Preference(); !pref.Equals(Blue) {
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t.Fatalf("Wrong preference. Expected %s got %s", Red, pref)
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} else if f.Finalized() {
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t.Fatalf("Finalized too early")
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}
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f.RecordPoll(twoBlue)
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if pref := f.Preference(); !pref.Equals(Blue) {
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t.Fatalf("Wrong preference. Expected %s got %s", Red, pref)
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} else if f.Finalized() {
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t.Fatalf("Finalized too early")
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}
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f.RecordPoll(twoBlue)
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if pref := f.Preference(); !pref.Equals(Blue) {
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t.Fatalf("Wrong preference. Expected %s got %s", Red, pref)
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} else if !f.Finalized() {
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t.Fatalf("Finalized too late")
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}
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expected := "SB(Preference = TtF4d2QWbk5vzQGTEPrN48x6vwgAoAmKQ9cbp79inpQmcRKES, NumSuccessfulPolls = 3, SF(Confidence = 2, Finalized = true, SL(Preference = TtF4d2QWbk5vzQGTEPrN48x6vwgAoAmKQ9cbp79inpQmcRKES)))"
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if str := f.String(); str != expected {
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t.Fatalf("Wrong state. Expected:\n%s\nGot:\n%s", expected, str)
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}
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}
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