gitlab.com/aquachain/aquachain@v1.17.16-rc3.0.20221018032414-e3ddf1e1c055/common/metrics/gauge_float64_test.go (about)

     1  // Copyright 2018 The aquachain Authors
     2  // This file is part of the aquachain library.
     3  //
     4  // The aquachain library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The aquachain library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the aquachain library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package metrics
    18  
    19  import "testing"
    20  
    21  func BenchmarkGuageFloat64(b *testing.B) {
    22  	g := NewGaugeFloat64()
    23  	b.ResetTimer()
    24  	for i := 0; i < b.N; i++ {
    25  		g.Update(float64(i))
    26  	}
    27  }
    28  
    29  func TestGaugeFloat64(t *testing.T) {
    30  	g := NewGaugeFloat64()
    31  	g.Update(float64(47.0))
    32  	if v := g.Value(); float64(47.0) != v {
    33  		t.Errorf("g.Value(): 47.0 != %v\n", v)
    34  	}
    35  }
    36  
    37  func TestGaugeFloat64Snapshot(t *testing.T) {
    38  	g := NewGaugeFloat64()
    39  	g.Update(float64(47.0))
    40  	snapshot := g.Snapshot()
    41  	g.Update(float64(0))
    42  	if v := snapshot.Value(); float64(47.0) != v {
    43  		t.Errorf("g.Value(): 47.0 != %v\n", v)
    44  	}
    45  }
    46  
    47  func TestGetOrRegisterGaugeFloat64(t *testing.T) {
    48  	r := NewRegistry()
    49  	NewRegisteredGaugeFloat64("foo", r).Update(float64(47.0))
    50  	t.Logf("registry: %v", r)
    51  	if g := GetOrRegisterGaugeFloat64("foo", r); float64(47.0) != g.Value() {
    52  		t.Fatal(g)
    53  	}
    54  }
    55  
    56  func TestFunctionalGaugeFloat64(t *testing.T) {
    57  	var counter float64
    58  	fg := NewFunctionalGaugeFloat64(func() float64 {
    59  		counter++
    60  		return counter
    61  	})
    62  	fg.Value()
    63  	fg.Value()
    64  	if counter != 2 {
    65  		t.Error("counter != 2")
    66  	}
    67  }
    68  
    69  func TestGetOrRegisterFunctionalGaugeFloat64(t *testing.T) {
    70  	r := NewRegistry()
    71  	NewRegisteredFunctionalGaugeFloat64("foo", r, func() float64 { return 47 })
    72  	if g := GetOrRegisterGaugeFloat64("foo", r); 47 != g.Value() {
    73  		t.Fatal(g)
    74  	}
    75  }