Adding upstream version 1.34.4.

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

plugins/serializers/binary/binary_test.go

@@ -0,0 +1,121 @@
+package binary
+
+import (
+	"encoding/hex"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf/metric"
+)
+
+func TestMetricSerialization(t *testing.T) {
+	m := metric.New(
+		"modbus",
+		map[string]string{
+			"tag_1": "ABC",
+			"tag_2": "1.63",
+		},
+		map[string]interface{}{
+			"addr_2":     7,
+			"addr_3":     17001,
+			"addr_4_5":   617001,
+			"addr_6_7":   423.1700134277344,
+			"addr_16_20": "A_B_C_D_E_",
+			"addr_3_sc":  1700.1000000000001,
+		},
+		time.Unix(1703018620, 0),
+	)
+
+	tests := []struct {
+		name     string
+		entries  []*Entry
+		expected map[string]string
+	}{
+		{
+			name: "complex metric serialization",
+			entries: []*Entry{
+				{
+					ReadFrom:   "field",
+					Name:       "addr_3",
+					DataFormat: "int16",
+				},
+				{
+					ReadFrom:   "field",
+					Name:       "addr_2",
+					DataFormat: "int16",
+				},
+				{
+					ReadFrom:   "field",
+					Name:       "addr_4_5",
+					DataFormat: "int32",
+				},
+				{
+					ReadFrom:   "field",
+					Name:       "addr_6_7",
+					DataFormat: "float32",
+				},
+				{
+					ReadFrom:         "field",
+					Name:             "addr_16_20",
+					DataFormat:       "string",
+					StringTerminator: "null",
+					StringLength:     11,
+				},
+				{
+					ReadFrom:   "field",
+					Name:       "addr_3_sc",
+					DataFormat: "float64",
+				},
+				{
+					ReadFrom:   "time",
+					DataFormat: "int32",
+					TimeFormat: "unix",
+				},
+				{
+					ReadFrom:         "name",
+					DataFormat:       "string",
+					StringTerminator: "null",
+					StringLength:     20,
+				},
+				{
+					ReadFrom:     "tag",
+					Name:         "tag_1",
+					DataFormat:   "string",
+					StringLength: 4,
+				},
+				{
+					ReadFrom:   "tag",
+					Name:       "tag_2",
+					DataFormat: "float32",
+				},
+			},
+			expected: map[string]string{
+				"little": "69420700296a0900c395d343415f425f435f445f455f006766666666909a407c" +
+					"0082656d6f64627573000000000000000000000000000041424300d7a3d03f",
+				"big": "4269000700096a2943d395c3415f425f435f445f455f00409a90666666666765" +
+					"82007c6d6f646275730000000000000000000000000000414243003fd0a3d7",
+			},
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.name, func(t *testing.T) {
+			for endianness, expected := range tc.expected {
+				serializer := &Serializer{
+					Entries:    tc.entries,
+					Endianness: endianness,
+				}
+
+				require.NoError(t, serializer.Init())
+
+				serialized, err := serializer.Serialize(m)
+				actual := hex.EncodeToString(serialized)
+
+				require.NoError(t, err)
+				require.Equal(t, expected, actual)
+			}
+		})
+	}
+}