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// Copyright 2018 The dexon-consensus Authors
// This file is part of the dexon-consensus library.
//
// The dexon-consensus library is free software: you can redistribute it
// and/or modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation, either version 3 of the License,
// or (at your option) any later version.
//
// The dexon-consensus library is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
// General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the dexon-consensus library. If not, see
// <http://www.gnu.org/licenses/>.
package integration
import (
"testing"
"time"
"github.com/dexon-foundation/dexon-consensus/common"
"github.com/dexon-foundation/dexon-consensus/core"
"github.com/dexon-foundation/dexon-consensus/core/test"
"github.com/stretchr/testify/suite"
)
type EventStatsTestSuite struct {
suite.Suite
}
func (s *EventStatsTestSuite) TestCalculate() {
// Setup a test with fixed latency in proposing and network,
// and make sure the calculated statistics is expected.
var (
networkLatency = &test.FixedLatencyModel{Latency: 100}
proposingLatency = &test.FixedLatencyModel{Latency: 300}
req = s.Require()
)
prvKeys, pubKeys, err := test.NewKeys(7)
req.NoError(err)
gov, err := test.NewGovernance(
test.NewState(
pubKeys, 100*time.Millisecond, &common.NullLogger{}, true),
core.ConfigRoundShift)
req.NoError(err)
nodes, err := PrepareNodes(
gov, prvKeys, 7, networkLatency, proposingLatency)
req.NoError(err)
apps, dbs := CollectAppAndDBFromNodes(nodes)
sch := test.NewScheduler(test.NewStopByConfirmedBlocks(50, apps, dbs))
now := time.Now().UTC()
for _, n := range nodes {
req.NoError(n.Bootstrap(sch, now))
}
sch.Run(10)
req.Nil(VerifyApps(apps))
// Check total statistics result.
stats, err := NewStats(sch.CloneExecutionHistory(), apps)
req.Nil(err)
req.True(stats.All.ProposedBlockCount > 350)
req.True(stats.All.ReceivedBlockCount > 350)
req.True(stats.All.ConfirmedBlockCount > 350)
req.True(stats.All.TotalOrderedBlockCount >= 350)
req.True(stats.All.DeliveredBlockCount >= 350)
req.Equal(stats.All.ProposingLatency, 300*time.Millisecond)
req.Equal(stats.All.ReceivingLatency, 100*time.Millisecond)
// Check statistics for each node.
for _, vStats := range stats.ByNode {
req.True(vStats.ProposedBlockCount > 50)
req.True(vStats.ReceivedBlockCount > 50)
req.True(vStats.ConfirmedBlockCount > 50)
req.True(vStats.TotalOrderedBlockCount >= 50)
req.True(vStats.DeliveredBlockCount >= 50)
req.Equal(vStats.ProposingLatency, 300*time.Millisecond)
req.Equal(vStats.ReceivingLatency, 100*time.Millisecond)
}
}
func TestEventStats(t *testing.T) {
suite.Run(t, new(EventStatsTestSuite))
}
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