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package integration
import (
"testing"
"time"
"github.com/dexon-foundation/dexon-consensus-core/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()
)
apps, dbs, nodes, err := PrepareNodes(
7, networkLatency, proposingLatency)
req.Nil(err)
sch := test.NewScheduler(test.NewStopByConfirmedBlocks(50, apps, dbs))
now := time.Now().UTC()
for vID, v := range nodes {
sch.RegisterEventHandler(vID, v)
req.Nil(sch.Seed(NewProposeBlockEvent(vID, 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.StronglyAckedBlockCount > 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.StronglyAckedBlockCount > 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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