fix behaviour of Gauge: it used to behave like GaugeDelta when passed…

… a positive value

README.md

@@ -70,6 +70,8 @@ The string `%HOST%` in the metric name will automatically be replaced with the h
 
 * `HEAD`:
 
+	* Fixed behaviour of Gauge with positive numbers: the previous behaviour was the same as GaugeDelta
+	  (FGauge already had the correct behaviour)
     * Added more tests
     * Small optimisation: replace string formatting with concatenation (thanks to @agnivade)
 

event/gauge.go

@@ -35,7 +35,7 @@ func (e Gauge) Stats() []string {
 			fmt.Sprintf("%s:%d|g", e.Name, e.Value),
 		}
 	}
-	return []string{fmt.Sprintf("%s:%+d|g", e.Name, e.Value)}
+	return []string{fmt.Sprintf("%s:%d|g", e.Name, e.Value)}
 }
 
 // Key returns the name of this metric

event/gauge_test.go

@@ -18,7 +18,7 @@ func TestGaugeUpdate(t *testing.T) {
 		t.Error(err)
 	}
 
-	expected := []string{"test:+8|g"} // only the last value is flushed
+	expected := []string{"test:8|g"} // only the last value is flushed
 	actual := e1.Stats()
 	if !reflect.DeepEqual(expected, actual) {
 		t.Errorf("did not receive all metrics: Expected: %T %v, Actual: %T %v ", expected, expected, actual, actual)