github.com/NVIDIA/aistore@v1.3.23-0.20240517131212-7df6609be51d/bench/tools/aisloader/stats/stats_test.go (about)

     1  // Package stats_test provides tests of aisloader stats package
     2  /*
     3   * Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
     4   */
     5  package stats_test
     6  
     7  import (
     8  	"testing"
     9  	"time"
    10  
    11  	"github.com/NVIDIA/aistore/bench/tools/aisloader/stats"
    12  )
    13  
    14  func verify(t *testing.T, msg string, exp, act int64) {
    15  	if exp != act {
    16  		t.Fatalf("Error: %s, expected = %d, actual = %d", msg, exp, act)
    17  	}
    18  }
    19  
    20  func TestStats(t *testing.T) {
    21  	start := time.Now()
    22  	s := stats.NewHTTPReq(start)
    23  
    24  	// basic put
    25  	s.Add(100, 100*time.Millisecond)
    26  	s.Add(200, 20*time.Millisecond)
    27  	s.AddErr()
    28  	s.Add(50, 30*time.Millisecond)
    29  
    30  	verify(t, "Total", 3, s.Total())
    31  	verify(t, "Total bytes", 350, s.TotalBytes())
    32  	verify(t, "Min latency", 20000000, s.MinLatency())
    33  	verify(t, "Avg latency", 50000000, s.AvgLatency())
    34  	verify(t, "Max latency", 100000000, s.MaxLatency())
    35  	verify(t, "Throughput", 5, s.Throughput(start, start.Add(70*time.Second)))
    36  	verify(t, "Failed", 1, s.TotalErrs())
    37  
    38  	// accumulate non empty stats on top of empty stats
    39  	total := stats.NewHTTPReq(start)
    40  	total.Aggregate(s)
    41  	verify(t, "Total", 3, total.Total())
    42  	verify(t, "Total bytes", 350, total.TotalBytes())
    43  	verify(t, "Min latency", 20000000, total.MinLatency())
    44  	verify(t, "Avg latency", 50000000, total.AvgLatency())
    45  	verify(t, "Max latency", 100000000, total.MaxLatency())
    46  	verify(t, "Throughput", 5, total.Throughput(start, start.Add(70*time.Second)))
    47  	verify(t, "Failed", 1, total.TotalErrs())
    48  
    49  	// accumulate empty stats on top of non empty stats
    50  	s = stats.NewHTTPReq(start)
    51  	total.Aggregate(s)
    52  	verify(t, "Total", 3, total.Total())
    53  	verify(t, "Total bytes", 350, total.TotalBytes())
    54  	verify(t, "Min latency", 20000000, total.MinLatency())
    55  	verify(t, "Avg latency", 50000000, total.AvgLatency())
    56  	verify(t, "Max latency", 100000000, total.MaxLatency())
    57  	verify(t, "Throughput", 5, total.Throughput(start, start.Add(70*time.Second)))
    58  	verify(t, "Failed", 1, total.TotalErrs())
    59  
    60  	// accumulate non empty stats on top of non empty stats
    61  	s.AddErr()
    62  	total.Aggregate(s)
    63  	verify(t, "Failed err", 2, total.TotalErrs())
    64  	s.Add(1, 5*time.Millisecond)
    65  	total.Aggregate(s)
    66  	verify(t, "Total", 4, total.Total())
    67  	verify(t, "Total bytes", 351, total.TotalBytes())
    68  	verify(t, "Min latency", 5000000, total.MinLatency())
    69  	verify(t, "Avg latency", 38750000, total.AvgLatency())
    70  	verify(t, "Max latency", 100000000, total.MaxLatency())
    71  	verify(t, "Throughput", 5, total.Throughput(start, start.Add(70*time.Second)))
    72  }