李建琦
6d655c9903
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53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
package securityaudit
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import (
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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func TestAtomicMetricsExposeCountsLatencyDistributionAndAsyncDelivery(t *testing.T) {
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metrics := NewAtomicMetrics()
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latencies := []time.Duration{10, 20, 30, 40, 100}
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kinds := []DecisionKind{DecisionAllow, DecisionFlag, DecisionBlock, DecisionUnavailable, DecisionInvalid}
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for index := range latencies {
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metrics.Observe(kinds[index], latencies[index]*time.Millisecond)
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}
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metrics.IncTimeout()
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metrics.IncFailover()
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metrics.IncBulkheadFull()
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metrics.IncRecordFailed()
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metrics.IncEnqueued()
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metrics.IncDropped()
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snapshot := metrics.Snapshot()
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require.Equal(t, int64(5), snapshot.Total)
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require.Equal(t, int64(5), snapshot.LatencyCount)
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require.Equal(t, int64(40), snapshot.LatencyAvgMS)
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require.Equal(t, int64(30), snapshot.LatencyP50MS)
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require.Equal(t, int64(40), snapshot.LatencyP95MS)
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require.Equal(t, int64(40), snapshot.LatencyP99MS)
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require.Equal(t, int64(100), snapshot.LatencyMaxMS)
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require.Equal(t, AuditMetricsSnapshot{Enqueued: 1, Dropped: 1}, metrics.AuditSnapshot())
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}
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func TestAtomicMetricsConcurrentObservationIsBoundedAndRaceSafe(t *testing.T) {
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metrics := NewAtomicMetrics()
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const observations = 4096
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var wg sync.WaitGroup
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for index := 0; index < observations; index++ {
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wg.Add(1)
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go func(value int) {
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defer wg.Done()
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metrics.Observe(DecisionAllow, time.Duration(value%250)*time.Millisecond)
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}(index)
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}
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wg.Wait()
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require.Equal(t, int64(observations), metrics.Snapshot().Total)
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metrics.latencyMu.RLock()
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require.LessOrEqual(t, len(metrics.latencies), latencySampleCapacity)
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metrics.latencyMu.RUnlock()
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}
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