Adding upstream version 1.34.4.

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

internal/templating/engine_test.go

@@ -0,0 +1,77 @@
+package templating
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestEngineAlternateSeparator(t *testing.T) {
+	defaultTemplate, err := NewDefaultTemplateWithPattern("measurement*")
+	require.NoError(t, err)
+	engine, err := NewEngine("_", defaultTemplate, []string{
+		"/ /*/*/* /measurement/origin/measurement*",
+	})
+	require.NoError(t, err)
+	name, tags, field, err := engine.Apply("/telegraf/host01/cpu")
+	require.NoError(t, err)
+	require.Equal(t, "telegraf_cpu", name)
+	require.Equal(t, map[string]string{
+		"origin": "host01",
+	}, tags)
+	require.Empty(t, field)
+}
+
+func TestEngineWithWildcardTemplate(t *testing.T) {
+	var (
+		defaultTmpl, err = NewDefaultTemplateWithPattern("measurement*")
+		templates        = []string{
+			"taskmanagerTask.alarm-detector.Assign.alarmDefinitionId metricsType.process.nodeId.x.alarmDefinitionId.measurement.field rule=1",
+			"taskmanagerTask.*.*.*.*                                 metricsType.process.nodeId.measurement rule=2",
+		}
+	)
+	require.NoError(t, err)
+
+	engine, err := NewEngine(".", defaultTmpl, templates)
+	require.NoError(t, err)
+
+	for _, testCase := range []struct {
+		line        string
+		measurement string
+		field       string
+		tags        map[string]string
+	}{
+		{
+			line:        "taskmanagerTask.alarm-detector.Assign.alarmDefinitionId.timeout_errors.duration.p75",
+			measurement: "duration",
+			field:       "p75",
+			tags: map[string]string{
+				"metricsType":       "taskmanagerTask",
+				"process":           "alarm-detector",
+				"nodeId":            "Assign",
+				"x":                 "alarmDefinitionId",
+				"alarmDefinitionId": "timeout_errors",
+				"rule":              "1",
+			},
+		},
+		{
+			line:        "taskmanagerTask.alarm-detector.Assign.numRecordsInPerSecond.m5_rate",
+			measurement: "numRecordsInPerSecond",
+			tags: map[string]string{
+				"metricsType": "taskmanagerTask",
+				"process":     "alarm-detector",
+				"nodeId":      "Assign",
+				"rule":        "2",
+			},
+		},
+	} {
+		t.Run(testCase.line, func(t *testing.T) {
+			measurement, tags, field, err := engine.Apply(testCase.line)
+			require.NoError(t, err)
+
+			require.Equal(t, testCase.measurement, measurement)
+			require.Equal(t, testCase.field, field)
+			require.Equal(t, testCase.tags, tags)
+		})
+	}
+}