29 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			29 lines
		
	
	
		
			536 B
		
	
	
	
		
			Go
		
	
	
	
	
	
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								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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