github.com/keybase/client/go@v0.0.0-20240309051027-028f7c731f8b/kbfs/ldbutils/count_meter_test.go (about)

     1  package ldbutils
     2  
     3  import (
     4  	"testing"
     5  
     6  	"github.com/stretchr/testify/require"
     7  )
     8  
     9  func TestCountMeter(t *testing.T) {
    10  	m := NewCountMeter()
    11  	// Shutdown the meter so we manually control its ticks.
    12  	m.Shutdown()
    13  
    14  	var count1 float64
    15  	var count5 float64
    16  	var count15 float64
    17  	var countMean float64
    18  
    19  	for i := 0; i < 100; i++ {
    20  		count1 = 0
    21  		if i > 4 {
    22  			count5 -= float64(((i - 5) * 4) + 10)
    23  		}
    24  		if i > 14 {
    25  			count15 -= float64(((i - 15) * 4) + 10)
    26  		}
    27  		f := float64((i * 4) + 10)
    28  		count1 += f
    29  		count5 += f
    30  		count15 += f
    31  		countMean += f
    32  		for j := 1; j < 5; j++ {
    33  			m.Mark(int64(i + j))
    34  		}
    35  		s := m.Snapshot()
    36  		require.Equal(t, count1, m.Rate1(), "Invalid Rate1 for i=%d", i)
    37  		require.Equal(t, count5, m.Rate5(), "Invalid Rate5 for i=%d", i)
    38  		require.Equal(t, count15, m.Rate15(), "Invalid Rate15 for i=%d", i)
    39  		require.Equal(t, countMean, m.RateMean(), "Invalid RateMean for i=%d", i)
    40  		require.Equal(t, int64(countMean), m.Count(), "Invalid Count for i=%d", i)
    41  		require.Equal(t, s.Rate1(), m.Rate1())
    42  		require.Equal(t, s.Rate5(), m.Rate5())
    43  		require.Equal(t, s.Rate15(), m.Rate15())
    44  		require.Equal(t, s.RateMean(), m.RateMean())
    45  		require.Equal(t, s.Count(), m.Count())
    46  		m.tick()
    47  	}
    48  }