Adding upstream version 1.34.4.

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

plugins/processors/clone/clone_test.go

@@ -0,0 +1,242 @@
+package clone
+
+import (
+	"sync"
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/require"
+
+	"github.com/influxdata/telegraf"
+	"github.com/influxdata/telegraf/metric"
+	"github.com/influxdata/telegraf/testutil"
+)
+
+func TestRetainsTags(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestAddTags(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"m1",
+			map[string]string{
+				"metric_tag":  "from_metric",
+				"added_tag":   "from_config",
+				"another_tag": "",
+			},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{
+		Tags: map[string]string{
+			"added_tag":   "from_config",
+			"another_tag": "",
+		},
+	}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestOverwritesPresentTagValues(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_config"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{
+		Tags: map[string]string{"metric_tag": "from_config"},
+	}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestOverridesName(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"overridden",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{NameOverride: "overridden"}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestNamePrefix(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"Pre-m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{NamePrefix: "Pre-"}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestNameSuffix(t *testing.T) {
+	input := metric.New(
+		"m1",
+		map[string]string{"metric_tag": "from_metric"},
+		map[string]interface{}{"value": int64(1)},
+		time.Unix(0, 0),
+	)
+
+	expected := []telegraf.Metric{
+		metric.New(
+			"m1-suff",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Unix(0, 0),
+		),
+	}
+
+	plugin := &Clone{NameSuffix: "-suff"}
+	actual := plugin.Apply(input)
+	testutil.RequireMetricsEqual(t, expected, actual)
+}
+
+func TestTracking(t *testing.T) {
+	inputRaw := []telegraf.Metric{
+		metric.New(
+			"m1",
+			map[string]string{"metric_tag": "from_metric"},
+			map[string]interface{}{"value": int64(1)},
+			time.Now(),
+		),
+		metric.New(
+			"m2",
+			map[string]string{"metric_tag": "foo_metric"},
+			map[string]interface{}{"value": int64(2)},
+			time.Now(),
+		),
+	}
+
+	var mu sync.Mutex
+	delivered := make([]telegraf.DeliveryInfo, 0, len(inputRaw))
+	notify := func(di telegraf.DeliveryInfo) {
+		mu.Lock()
+		defer mu.Unlock()
+		delivered = append(delivered, di)
+	}
+	input := make([]telegraf.Metric, 0, len(inputRaw))
+	expected := make([]telegraf.Metric, 0, 2*len(input))
+	for _, m := range inputRaw {
+		tm, _ := metric.WithTracking(m, notify)
+		input = append(input, tm)
+		expected = append(expected, m)
+	}
+	expected = append(expected, input...)
+
+	// Process expected metrics and compare with resulting metrics
+	plugin := &Clone{}
+	actual := plugin.Apply(input...)
+	testutil.RequireMetricsEqual(t, expected, actual)
+
+	// Simulate output acknowledging delivery
+	for _, m := range actual {
+		m.Accept()
+	}
+
+	// Check delivery
+	require.Eventuallyf(t, func() bool {
+		mu.Lock()
+		defer mu.Unlock()
+		return len(input) == len(delivered)
+	}, time.Second, 100*time.Millisecond, "%d delivered but %d expected", len(delivered), len(expected))
+}