Function TestRegistryWriteJSONOnce

metrics/json_test.go:20–28

(t *testing.T)

}

func TestRegistryWriteJSONOnce(t *testing.T) {
	r := NewRegistry()
	r.Register("counter", NewCounter())
	b := &bytes.Buffer{}
	WriteJSONOnce(r, b)
	if s := b.String(); s != "{\"counter\":{\"count\":0}}\n" {
		t.Fail()
	}
}