Adding upstream version 1.34.4.

Signed-off-by: Daniel Baumann <daniel@debian.org>

models/buffer_mem_test.go

@@ -0,0 +1,46 @@
+package models
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/metric"
+)
+
+func TestMemoryBufferAcceptCallsMetricAccept(t *testing.T) {
+	buf, err := NewBuffer("test", "123", "", 5, "memory", "")
+	require.NoError(t, err)
+	buf.Stats().MetricsAdded.Set(0)
+	buf.Stats().MetricsWritten.Set(0)
+	buf.Stats().MetricsDropped.Set(0)
+	defer buf.Close()
+
+	var accept int
+	mm := &mockMetric{
+		Metric: metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 42.0}, time.Unix(0, 0)),
+		AcceptF: func() {
+			accept++
+		},
+	}
+	buf.Add(mm, mm, mm)
+	tx := buf.BeginTransaction(2)
+	tx.AcceptAll()
+	buf.EndTransaction(tx)
+	require.Equal(t, 2, accept)
+}
+
+func BenchmarkMemoryBufferAddMetrics(b *testing.B) {
+	buf, err := NewBuffer("test", "123", "", 10000, "memory", "")
+	require.NoError(b, err)
+	buf.Stats().MetricsAdded.Set(0)
+	buf.Stats().MetricsWritten.Set(0)
+	buf.Stats().MetricsDropped.Set(0)
+	defer buf.Close()
+
+	m := metric.New("cpu", map[string]string{}, map[string]interface{}{"value": 42.0}, time.Unix(0, 0))
+	for n := 0; n < b.N; n++ {
+		buf.Add(m)
+	}
+}