• Anton Evangelatov's avatar
    metrics: pull library and introduce ResettingTimer and InfluxDB reporter (#15910) · ae9f9722
    Anton Evangelatov authored
    * go-metrics: fork library and introduce ResettingTimer and InfluxDB reporter.
    
    * vendor: change nonsense/go-metrics to ethersphere/go-metrics
    
    * go-metrics: add tests. move ResettingTimer logic from reporter to type.
    
    * all, metrics: pull in metrics package in go-ethereum
    
    * metrics/test: make sure metrics are enabled for tests
    
    * metrics: apply gosimple rules
    
    * metrics/exp, internal/debug: init expvar endpoint when starting pprof server
    
    * internal/debug: tiny comment formatting fix
    ae9f9722
counter_test.go 1.41 KB
package metrics

import "testing"

func BenchmarkCounter(b *testing.B) {
	c := NewCounter()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		c.Inc(1)
	}
}

func TestCounterClear(t *testing.T) {
	c := NewCounter()
	c.Inc(1)
	c.Clear()
	if count := c.Count(); 0 != count {
		t.Errorf("c.Count(): 0 != %v\n", count)
	}
}

func TestCounterDec1(t *testing.T) {
	c := NewCounter()
	c.Dec(1)
	if count := c.Count(); -1 != count {
		t.Errorf("c.Count(): -1 != %v\n", count)
	}
}

func TestCounterDec2(t *testing.T) {
	c := NewCounter()
	c.Dec(2)
	if count := c.Count(); -2 != count {
		t.Errorf("c.Count(): -2 != %v\n", count)
	}
}

func TestCounterInc1(t *testing.T) {
	c := NewCounter()
	c.Inc(1)
	if count := c.Count(); 1 != count {
		t.Errorf("c.Count(): 1 != %v\n", count)
	}
}

func TestCounterInc2(t *testing.T) {
	c := NewCounter()
	c.Inc(2)
	if count := c.Count(); 2 != count {
		t.Errorf("c.Count(): 2 != %v\n", count)
	}
}

func TestCounterSnapshot(t *testing.T) {
	c := NewCounter()
	c.Inc(1)
	snapshot := c.Snapshot()
	c.Inc(1)
	if count := snapshot.Count(); 1 != count {
		t.Errorf("c.Count(): 1 != %v\n", count)
	}
}

func TestCounterZero(t *testing.T) {
	c := NewCounter()
	if count := c.Count(); 0 != count {
		t.Errorf("c.Count(): 0 != %v\n", count)
	}
}

func TestGetOrRegisterCounter(t *testing.T) {
	r := NewRegistry()
	NewRegisteredCounter("foo", r).Inc(47)
	if c := GetOrRegisterCounter("foo", r); 47 != c.Count() {
		t.Fatal(c)
	}
}