storj/satellite/reputation/audithistory_test.go

111 lines
4.4 KiB
Go
Raw Normal View History

// Copyright (C) 2021 Storj Labs, Inc.
// See LICENSE for copying information.
package reputation_test
import (
"testing"
"time"
"github.com/stretchr/testify/require"
"go.uber.org/zap"
"storj.io/common/pb"
"storj.io/common/testcontext"
"storj.io/storj/private/testplanet"
"storj.io/storj/satellite"
"storj.io/storj/satellite/internalpb"
"storj.io/storj/satellite/reputation"
)
func TestAuditHistoryBasic(t *testing.T) {
const windowSize = time.Hour
const trackingPeriod = 2 * time.Hour
testplanet.Run(t, testplanet.Config{
SatelliteCount: 1, StorageNodeCount: 1,
Reconfigure: testplanet.Reconfigure{
Satellite: func(log *zap.Logger, index int, config *satellite.Config) {
config.Reputation.AuditHistory.WindowSize = windowSize
config.Reputation.AuditHistory.TrackingPeriod = trackingPeriod
},
},
}, func(t *testing.T, ctx *testcontext.Context, planet *testplanet.Planet) {
db := planet.Satellites[0].DB.Reputation()
startingWindow := time.Now().Truncate(time.Hour)
windowsInTrackingPeriod := int(trackingPeriod.Seconds() / windowSize.Seconds())
currentWindow := startingWindow
config := planet.Satellites[0].Config.Reputation.AuditHistory
newHistory := &internalpb.AuditHistory{}
historyBytes, err := pb.Marshal(newHistory)
require.NoError(t, err)
updateReq := reputation.UpdateRequest{
AuditOutcome: reputation.AuditOffline,
AuditHistory: config,
}
// online score should be 1 until the first window is finished
res, err := db.UpdateAuditHistory(ctx, historyBytes, updateReq, currentWindow.Add(2*time.Minute))
require.NoError(t, err)
require.EqualValues(t, 1, res.NewScore)
require.False(t, res.TrackingPeriodFull)
updateReq.AuditOutcome = reputation.AuditSuccess
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow.Add(20*time.Minute))
require.NoError(t, err)
require.EqualValues(t, 1, res.NewScore)
require.False(t, res.TrackingPeriodFull)
// move to next window
currentWindow = currentWindow.Add(time.Hour)
// online score should be now be 0.5 since the first window is complete with one online audit and one offline audit
updateReq.AuditOutcome = reputation.AuditOffline
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow.Add(2*time.Minute))
require.NoError(t, err)
require.EqualValues(t, 0.5, res.NewScore)
require.False(t, res.TrackingPeriodFull)
updateReq.AuditOutcome = reputation.AuditSuccess
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow.Add(20*time.Minute))
require.NoError(t, err)
require.EqualValues(t, 0.5, res.NewScore)
require.False(t, res.TrackingPeriodFull)
// move to next window
currentWindow = currentWindow.Add(time.Hour)
// try to add an audit for an old window, expect error
updateReq.AuditOutcome = reputation.AuditSuccess
_, err = db.UpdateAuditHistory(ctx, res.History, updateReq, startingWindow)
require.Error(t, err)
// add another online audit for the latest window; score should still be 0.5
updateReq.AuditOutcome = reputation.AuditSuccess
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow)
require.NoError(t, err)
require.EqualValues(t, 0.5, res.NewScore)
// now that we have two full windows other than the current one, tracking period should be considered full.
require.True(t, res.TrackingPeriodFull)
// add another online audit for the latest window; score should still be 0.5
updateReq.AuditOutcome = reputation.AuditSuccess
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow.Add(45*time.Minute))
require.NoError(t, err)
require.EqualValues(t, 0.5, res.NewScore)
require.True(t, res.TrackingPeriodFull)
currentWindow = currentWindow.Add(time.Hour)
// in the current state, there are windowsInTrackingPeriod windows with a score of 0.5
// and one window with a score of 1.0. The Math below calculates the new score when the latest
// window gets included in the tracking period, and the earliest 0.5 window gets dropped.
expectedScore := (0.5*float64(windowsInTrackingPeriod-1) + 1) / float64(windowsInTrackingPeriod)
// add online audit for next window; score should now be expectedScore
updateReq.AuditOutcome = reputation.AuditSuccess
res, err = db.UpdateAuditHistory(ctx, res.History, updateReq, currentWindow.Add(time.Minute))
require.NoError(t, err)
require.EqualValues(t, expectedScore, res.NewScore)
require.True(t, res.TrackingPeriodFull)
})
}