* 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
		
			
				
	
	
		
			29 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package metrics
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import (
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	"bytes"
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	"encoding/json"
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	"testing"
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)
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func TestRegistryMarshallJSON(t *testing.T) {
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	b := &bytes.Buffer{}
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	enc := json.NewEncoder(b)
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	r := NewRegistry()
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	r.Register("counter", NewCounter())
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	enc.Encode(r)
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	if s := b.String(); "{\"counter\":{\"count\":0}}\n" != s {
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		t.Fatalf(s)
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	}
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}
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func TestRegistryWriteJSONOnce(t *testing.T) {
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	r := NewRegistry()
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	r.Register("counter", NewCounter())
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	b := &bytes.Buffer{}
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	WriteJSONOnce(r, b)
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	if s := b.String(); s != "{\"counter\":{\"count\":0}}\n" {
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		t.Fail()
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	}
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}
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