Adding upstream version 1.34.4.

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

plugins/inputs/netstat/netstat_test.go

@@ -0,0 +1,66 @@
+package netstat
+
+import (
+	"syscall"
+	"testing"
+	"time"
+
+	"github.com/shirou/gopsutil/v4/net"
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/metric"
+	"github.com/influxdata/telegraf/plugins/common/psutil"
+	"github.com/influxdata/telegraf/testutil"
+)
+
+func TestNetStats(t *testing.T) {
+	var mps psutil.MockPS
+	defer mps.AssertExpectations(t)
+	mps.On("NetConnections").Return([]net.ConnectionStat{
+		{
+			Type: syscall.SOCK_DGRAM,
+		},
+		{
+			Status: "ESTABLISHED",
+		},
+		{
+			Status: "ESTABLISHED",
+		},
+		{
+			Status: "CLOSE",
+		},
+	}, nil)
+
+	var acc testutil.Accumulator
+	require.NoError(t, (&NetStat{ps: &mps}).Gather(&acc))
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"netstat",
+			map[string]string{},
+			map[string]interface{}{
+				"tcp_established": 2,
+				"tcp_syn_sent":    0,
+				"tcp_syn_recv":    0,
+				"tcp_fin_wait1":   0,
+				"tcp_fin_wait2":   0,
+				"tcp_time_wait":   0,
+				"tcp_close":       1,
+				"tcp_close_wait":  0,
+				"tcp_last_ack":    0,
+				"tcp_listen":      0,
+				"tcp_closing":     0,
+				"tcp_none":        0,
+				"udp_socket":      1,
+			},
+			time.Unix(0, 0),
+		),
+	}
+
+	testutil.RequireMetricsEqual(t,
+		expected,
+		acc.GetTelegrafMetrics(),
+		testutil.IgnoreTime(),
+	)
+}