863 lines
19 KiB
Go
863 lines
19 KiB
Go
package strings
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import (
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"testing"
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"time"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/metric"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func newM1() telegraf.Metric {
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m1, _ := metric.New("IIS_log",
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map[string]string{
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"verb": "GET",
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"s-computername": "MIXEDCASE_hostname",
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},
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map[string]interface{}{
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"request": "/mixed/CASE/paTH/?from=-1D&to=now",
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"whitespace": " whitespace\t",
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},
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time.Now(),
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)
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return m1
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}
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func newM2() telegraf.Metric {
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m1, _ := metric.New("IIS_log",
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map[string]string{
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"verb": "GET",
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"S-ComputerName": "MIXEDCASE_hostname",
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},
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map[string]interface{}{
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"Request": "/mixed/CASE/paTH/?from=-1D&to=now",
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"req/sec": 5,
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" whitespace ": " whitespace\t",
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},
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time.Now(),
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)
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return m1
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}
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func TestFieldConversions(t *testing.T) {
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tests := []struct {
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name string
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plugin *Strings
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check func(t *testing.T, actual telegraf.Metric)
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}{
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{
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name: "Should change existing field to lowercase",
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plugin: &Strings{
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Lowercase: []converter{
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{
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Field: "request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/case/path/?from=-1d&to=now", fv)
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},
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},
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{
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name: "Should change existing field to uppercase",
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plugin: &Strings{
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Uppercase: []converter{
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{
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Field: "request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/MIXED/CASE/PATH/?FROM=-1D&TO=NOW", fv)
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},
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},
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{
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name: "Should add new lowercase field",
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plugin: &Strings{
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Lowercase: []converter{
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{
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Field: "request",
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Dest: "lowercase_request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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fv, ok = actual.GetField("lowercase_request")
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require.True(t, ok)
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require.Equal(t, "/mixed/case/path/?from=-1d&to=now", fv)
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},
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},
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{
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name: "Should trim from both sides",
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plugin: &Strings{
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Trim: []converter{
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{
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Field: "request",
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Cutset: "/w",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "mixed/CASE/paTH/?from=-1D&to=no", fv)
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},
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},
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{
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name: "Should trim from both sides and make lowercase",
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plugin: &Strings{
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Trim: []converter{
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{
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Field: "request",
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Cutset: "/w",
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},
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},
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Lowercase: []converter{
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{
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Field: "request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "mixed/case/path/?from=-1d&to=no", fv)
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},
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},
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{
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name: "Should trim from left side",
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plugin: &Strings{
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TrimLeft: []converter{
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{
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Field: "request",
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Cutset: "/w",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should trim from right side",
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plugin: &Strings{
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TrimRight: []converter{
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{
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Field: "request",
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Cutset: "/w",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=no", fv)
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},
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},
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{
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name: "Should trim prefix '/mixed'",
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plugin: &Strings{
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TrimPrefix: []converter{
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{
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Field: "request",
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Prefix: "/mixed",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should trim suffix '-1D&to=now'",
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plugin: &Strings{
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TrimSuffix: []converter{
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{
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Field: "request",
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Suffix: "-1D&to=now",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=", fv)
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},
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},
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{
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name: "Trim without cutset removes whitespace",
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plugin: &Strings{
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Trim: []converter{
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{
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Field: "whitespace",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("whitespace")
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require.True(t, ok)
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require.Equal(t, "whitespace", fv)
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},
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},
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{
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name: "Trim left without cutset removes whitespace",
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plugin: &Strings{
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TrimLeft: []converter{
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{
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Field: "whitespace",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("whitespace")
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require.True(t, ok)
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require.Equal(t, "whitespace\t", fv)
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},
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},
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{
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name: "Trim right without cutset removes whitespace",
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plugin: &Strings{
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TrimRight: []converter{
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{
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Field: "whitespace",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("whitespace")
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require.True(t, ok)
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require.Equal(t, " whitespace", fv)
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},
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},
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{
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name: "No change if field missing",
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plugin: &Strings{
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Lowercase: []converter{
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{
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Field: "xyzzy",
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Suffix: "-1D&to=now",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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metrics := tt.plugin.Apply(newM1())
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require.Len(t, metrics, 1)
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tt.check(t, metrics[0])
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})
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}
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}
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func TestFieldKeyConversions(t *testing.T) {
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tests := []struct {
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name string
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plugin *Strings
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check func(t *testing.T, actual telegraf.Metric)
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}{
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{
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name: "Should change existing field key to lowercase",
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plugin: &Strings{
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Lowercase: []converter{
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{
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FieldKey: "Request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should change existing field key to uppercase",
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plugin: &Strings{
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Uppercase: []converter{
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{
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FieldKey: "Request",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("Request")
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require.False(t, ok)
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fv, ok = actual.GetField("REQUEST")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should trim from both sides",
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plugin: &Strings{
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Trim: []converter{
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{
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FieldKey: "Request",
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Cutset: "eR",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("quest")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should trim from both sides but not make lowercase",
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plugin: &Strings{
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// Tag/field key multiple executions occur in the following order: (initOnce)
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// Lowercase
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// Uppercase
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// Trim
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// TrimLeft
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// TrimRight
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// TrimPrefix
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// TrimSuffix
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// Replace
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Lowercase: []converter{
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{
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FieldKey: "Request",
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},
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},
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Trim: []converter{
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{
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FieldKey: "request",
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Cutset: "tse",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("requ")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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{
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name: "Should trim from left side",
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plugin: &Strings{
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TrimLeft: []converter{
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{
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FieldKey: "req/sec",
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Cutset: "req/",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("sec")
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require.True(t, ok)
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require.Equal(t, int64(5), fv)
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},
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},
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{
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name: "Should trim from right side",
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plugin: &Strings{
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TrimRight: []converter{
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{
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FieldKey: "req/sec",
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Cutset: "req/",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("req/sec")
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require.True(t, ok)
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require.Equal(t, int64(5), fv)
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},
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},
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{
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name: "Should trim prefix 'req/'",
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plugin: &Strings{
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TrimPrefix: []converter{
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{
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FieldKey: "req/sec",
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Prefix: "req/",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("sec")
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require.True(t, ok)
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require.Equal(t, int64(5), fv)
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},
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},
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{
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name: "Should trim suffix '/sec'",
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plugin: &Strings{
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TrimSuffix: []converter{
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{
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FieldKey: "req/sec",
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Suffix: "/sec",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("req")
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require.True(t, ok)
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require.Equal(t, int64(5), fv)
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},
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},
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{
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name: "Trim without cutset removes whitespace",
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plugin: &Strings{
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Trim: []converter{
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{
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FieldKey: " whitespace ",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("whitespace")
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require.True(t, ok)
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require.Equal(t, " whitespace\t", fv)
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},
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},
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{
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name: "Trim left without cutset removes whitespace",
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plugin: &Strings{
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TrimLeft: []converter{
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{
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FieldKey: " whitespace ",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("whitespace ")
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require.True(t, ok)
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require.Equal(t, " whitespace\t", fv)
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},
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},
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{
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name: "Trim right without cutset removes whitespace",
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plugin: &Strings{
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TrimRight: []converter{
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{
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FieldKey: " whitespace ",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField(" whitespace")
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require.True(t, ok)
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require.Equal(t, " whitespace\t", fv)
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},
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},
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{
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name: "No change if field missing",
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plugin: &Strings{
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Lowercase: []converter{
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{
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FieldKey: "xyzzy",
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Suffix: "-1D&to=now",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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fv, ok := actual.GetField("Request")
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require.True(t, ok)
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require.Equal(t, "/mixed/CASE/paTH/?from=-1D&to=now", fv)
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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metrics := tt.plugin.Apply(newM2())
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require.Len(t, metrics, 1)
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tt.check(t, metrics[0])
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})
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}
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}
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func TestTagConversions(t *testing.T) {
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tests := []struct {
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name string
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plugin *Strings
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check func(t *testing.T, actual telegraf.Metric)
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}{
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{
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name: "Should change existing tag to lowercase",
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plugin: &Strings{
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Lowercase: []converter{
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{
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Tag: "s-computername",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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tv, ok := actual.GetTag("verb")
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require.True(t, ok)
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require.Equal(t, "GET", tv)
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tv, ok = actual.GetTag("s-computername")
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require.True(t, ok)
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require.Equal(t, "mixedcase_hostname", tv)
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},
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},
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{
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name: "Should add new lowercase tag",
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plugin: &Strings{
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Lowercase: []converter{
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{
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Tag: "s-computername",
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Dest: "s-computername_lowercase",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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tv, ok := actual.GetTag("verb")
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require.True(t, ok)
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require.Equal(t, "GET", tv)
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tv, ok = actual.GetTag("s-computername")
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require.True(t, ok)
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require.Equal(t, "MIXEDCASE_hostname", tv)
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tv, ok = actual.GetTag("s-computername_lowercase")
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require.True(t, ok)
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require.Equal(t, "mixedcase_hostname", tv)
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},
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},
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{
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name: "Should add new uppercase tag",
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plugin: &Strings{
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Uppercase: []converter{
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{
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Tag: "s-computername",
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Dest: "s-computername_uppercase",
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},
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},
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},
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check: func(t *testing.T, actual telegraf.Metric) {
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tv, ok := actual.GetTag("verb")
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require.True(t, ok)
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require.Equal(t, "GET", tv)
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tv, ok = actual.GetTag("s-computername")
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require.True(t, ok)
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require.Equal(t, "MIXEDCASE_hostname", tv)
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tv, ok = actual.GetTag("s-computername_uppercase")
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require.True(t, ok)
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require.Equal(t, "MIXEDCASE_HOSTNAME", tv)
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},
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},
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}
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|
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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metrics := tt.plugin.Apply(newM1())
|
|
require.Len(t, metrics, 1)
|
|
tt.check(t, metrics[0])
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestTagKeyConversions(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
plugin *Strings
|
|
check func(t *testing.T, actual telegraf.Metric)
|
|
}{
|
|
{
|
|
name: "Should change existing tag key to lowercase",
|
|
plugin: &Strings{
|
|
Lowercase: []converter{
|
|
{
|
|
Tag: "S-ComputerName",
|
|
TagKey: "S-ComputerName",
|
|
},
|
|
},
|
|
},
|
|
check: func(t *testing.T, actual telegraf.Metric) {
|
|
tv, ok := actual.GetTag("verb")
|
|
require.True(t, ok)
|
|
require.Equal(t, "GET", tv)
|
|
|
|
tv, ok = actual.GetTag("s-computername")
|
|
require.True(t, ok)
|
|
require.Equal(t, "mixedcase_hostname", tv)
|
|
},
|
|
},
|
|
{
|
|
name: "Should add new lowercase tag key",
|
|
plugin: &Strings{
|
|
Lowercase: []converter{
|
|
{
|
|
TagKey: "S-ComputerName",
|
|
},
|
|
},
|
|
},
|
|
check: func(t *testing.T, actual telegraf.Metric) {
|
|
tv, ok := actual.GetTag("verb")
|
|
require.True(t, ok)
|
|
require.Equal(t, "GET", tv)
|
|
|
|
tv, ok = actual.GetTag("S-ComputerName")
|
|
require.False(t, ok)
|
|
|
|
tv, ok = actual.GetTag("s-computername")
|
|
require.True(t, ok)
|
|
require.Equal(t, "MIXEDCASE_hostname", tv)
|
|
},
|
|
},
|
|
{
|
|
name: "Should add new uppercase tag key",
|
|
plugin: &Strings{
|
|
Uppercase: []converter{
|
|
{
|
|
TagKey: "S-ComputerName",
|
|
},
|
|
},
|
|
},
|
|
check: func(t *testing.T, actual telegraf.Metric) {
|
|
tv, ok := actual.GetTag("verb")
|
|
require.True(t, ok)
|
|
require.Equal(t, "GET", tv)
|
|
|
|
tv, ok = actual.GetTag("S-ComputerName")
|
|
require.False(t, ok)
|
|
|
|
tv, ok = actual.GetTag("S-COMPUTERNAME")
|
|
require.True(t, ok)
|
|
require.Equal(t, "MIXEDCASE_hostname", tv)
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
metrics := tt.plugin.Apply(newM2())
|
|
require.Len(t, metrics, 1)
|
|
tt.check(t, metrics[0])
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMeasurementConversions(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
plugin *Strings
|
|
check func(t *testing.T, actual telegraf.Metric)
|
|
}{
|
|
{
|
|
name: "lowercase measurement",
|
|
plugin: &Strings{
|
|
Lowercase: []converter{
|
|
{
|
|
Measurement: "IIS_log",
|
|
},
|
|
},
|
|
},
|
|
check: func(t *testing.T, actual telegraf.Metric) {
|
|
name := actual.Name()
|
|
require.Equal(t, "iis_log", name)
|
|
},
|
|
},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
metrics := tt.plugin.Apply(newM1())
|
|
require.Len(t, metrics, 1)
|
|
tt.check(t, metrics[0])
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestMultipleConversions(t *testing.T) {
|
|
plugin := &Strings{
|
|
Lowercase: []converter{
|
|
{
|
|
Tag: "s-computername",
|
|
},
|
|
{
|
|
Field: "request",
|
|
},
|
|
{
|
|
Field: "cs-host",
|
|
Dest: "cs-host_lowercase",
|
|
},
|
|
},
|
|
Uppercase: []converter{
|
|
{
|
|
Tag: "verb",
|
|
},
|
|
},
|
|
Replace: []converter{
|
|
{
|
|
Tag: "foo",
|
|
Old: "a",
|
|
New: "x",
|
|
},
|
|
{
|
|
Tag: "bar",
|
|
Old: "b",
|
|
New: "y",
|
|
},
|
|
},
|
|
}
|
|
|
|
m, _ := metric.New("IIS_log",
|
|
map[string]string{
|
|
"verb": "GET",
|
|
"resp_code": "200",
|
|
"s-computername": "MIXEDCASE_hostname",
|
|
"foo": "a",
|
|
"bar": "b",
|
|
},
|
|
map[string]interface{}{
|
|
"request": "/mixed/CASE/paTH/?from=-1D&to=now",
|
|
"cs-host": "AAAbbb",
|
|
"ignore_number": int64(200),
|
|
"ignore_bool": true,
|
|
},
|
|
time.Now(),
|
|
)
|
|
|
|
processed := plugin.Apply(m)
|
|
|
|
expectedFields := map[string]interface{}{
|
|
"request": "/mixed/case/path/?from=-1d&to=now",
|
|
"ignore_number": int64(200),
|
|
"ignore_bool": true,
|
|
"cs-host": "AAAbbb",
|
|
"cs-host_lowercase": "aaabbb",
|
|
}
|
|
expectedTags := map[string]string{
|
|
"verb": "GET",
|
|
"resp_code": "200",
|
|
"s-computername": "mixedcase_hostname",
|
|
"foo": "x",
|
|
"bar": "y",
|
|
}
|
|
|
|
assert.Equal(t, expectedFields, processed[0].Fields())
|
|
assert.Equal(t, expectedTags, processed[0].Tags())
|
|
}
|
|
|
|
func TestReadmeExample(t *testing.T) {
|
|
plugin := &Strings{
|
|
Lowercase: []converter{
|
|
{
|
|
Tag: "uri_stem",
|
|
},
|
|
},
|
|
TrimPrefix: []converter{
|
|
{
|
|
Tag: "uri_stem",
|
|
Prefix: "/api/",
|
|
},
|
|
},
|
|
Uppercase: []converter{
|
|
{
|
|
Field: "cs-host",
|
|
Dest: "cs-host_normalised",
|
|
},
|
|
},
|
|
}
|
|
|
|
m, _ := metric.New("iis_log",
|
|
map[string]string{
|
|
"verb": "get",
|
|
"uri_stem": "/API/HealthCheck",
|
|
},
|
|
map[string]interface{}{
|
|
"cs-host": "MIXEDCASE_host",
|
|
"referrer": "-",
|
|
"ident": "-",
|
|
"http_version": "1.1",
|
|
"agent": "UserAgent",
|
|
"resp_bytes": int64(270),
|
|
},
|
|
time.Now(),
|
|
)
|
|
|
|
processed := plugin.Apply(m)
|
|
|
|
expectedTags := map[string]string{
|
|
"verb": "get",
|
|
"uri_stem": "healthcheck",
|
|
}
|
|
expectedFields := map[string]interface{}{
|
|
"cs-host": "MIXEDCASE_host",
|
|
"cs-host_normalised": "MIXEDCASE_HOST",
|
|
"referrer": "-",
|
|
"ident": "-",
|
|
"http_version": "1.1",
|
|
"agent": "UserAgent",
|
|
"resp_bytes": int64(270),
|
|
}
|
|
|
|
assert.Equal(t, expectedFields, processed[0].Fields())
|
|
assert.Equal(t, expectedTags, processed[0].Tags())
|
|
}
|
|
|
|
func newMetric(name string) telegraf.Metric {
|
|
tags := map[string]string{}
|
|
fields := map[string]interface{}{}
|
|
m, _ := metric.New(name, tags, fields, time.Now())
|
|
return m
|
|
}
|
|
|
|
func TestMeasurementReplace(t *testing.T) {
|
|
plugin := &Strings{
|
|
Replace: []converter{
|
|
{
|
|
Old: "_",
|
|
New: "-",
|
|
Measurement: "*",
|
|
},
|
|
},
|
|
}
|
|
metrics := []telegraf.Metric{
|
|
newMetric("foo:some_value:bar"),
|
|
newMetric("average:cpu:usage"),
|
|
newMetric("average_cpu_usage"),
|
|
}
|
|
results := plugin.Apply(metrics...)
|
|
assert.Equal(t, "foo:some-value:bar", results[0].Name(), "`_` was not changed to `-`")
|
|
assert.Equal(t, "average:cpu:usage", results[1].Name(), "Input name should have been unchanged")
|
|
assert.Equal(t, "average-cpu-usage", results[2].Name(), "All instances of `_` should have been changed to `-`")
|
|
}
|
|
|
|
func TestMeasurementCharDeletion(t *testing.T) {
|
|
plugin := &Strings{
|
|
Replace: []converter{
|
|
{
|
|
Old: "foo",
|
|
New: "",
|
|
Measurement: "*",
|
|
},
|
|
},
|
|
}
|
|
metrics := []telegraf.Metric{
|
|
newMetric("foo:bar:baz"),
|
|
newMetric("foofoofoo"),
|
|
newMetric("barbarbar"),
|
|
}
|
|
results := plugin.Apply(metrics...)
|
|
assert.Equal(t, ":bar:baz", results[0].Name(), "Should have deleted the initial `foo`")
|
|
assert.Equal(t, "foofoofoo", results[1].Name(), "Should have refused to delete the whole string")
|
|
assert.Equal(t, "barbarbar", results[2].Name(), "Should not have changed the input")
|
|
}
|