102 lines
2.1 KiB
Go
102 lines
2.1 KiB
Go
package testutil
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import (
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"sort"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/metric"
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)
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type metricDiff struct {
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Measurement string
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Tags []*telegraf.Tag
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Fields []*telegraf.Field
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Type telegraf.ValueType
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Time time.Time
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}
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func newMetricDiff(metric telegraf.Metric) *metricDiff {
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m := &metricDiff{}
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m.Measurement = metric.Name()
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for _, tag := range metric.TagList() {
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m.Tags = append(m.Tags, tag)
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}
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sort.Slice(m.Tags, func(i, j int) bool {
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return m.Tags[i].Key < m.Tags[j].Key
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})
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for _, field := range metric.FieldList() {
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m.Fields = append(m.Fields, field)
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}
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sort.Slice(m.Fields, func(i, j int) bool {
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return m.Fields[i].Key < m.Fields[j].Key
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})
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m.Type = metric.Type()
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m.Time = metric.Time()
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return m
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}
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func MetricEqual(expected, actual telegraf.Metric) bool {
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var lhs, rhs *metricDiff
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if expected != nil {
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lhs = newMetricDiff(expected)
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}
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if actual != nil {
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rhs = newMetricDiff(actual)
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}
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return cmp.Equal(lhs, rhs)
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}
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func RequireMetricEqual(t *testing.T, expected, actual telegraf.Metric) {
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t.Helper()
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var lhs, rhs *metricDiff
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if expected != nil {
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lhs = newMetricDiff(expected)
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}
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if actual != nil {
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rhs = newMetricDiff(actual)
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}
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if diff := cmp.Diff(lhs, rhs); diff != "" {
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t.Fatalf("telegraf.Metric\n--- expected\n+++ actual\n%s", diff)
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}
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}
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func RequireMetricsEqual(t *testing.T, expected, actual []telegraf.Metric) {
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t.Helper()
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lhs := make([]*metricDiff, 0, len(expected))
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for _, m := range expected {
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lhs = append(lhs, newMetricDiff(m))
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}
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rhs := make([]*metricDiff, 0, len(actual))
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for _, m := range actual {
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rhs = append(rhs, newMetricDiff(m))
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}
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if diff := cmp.Diff(lhs, rhs); diff != "" {
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t.Fatalf("[]telegraf.Metric\n--- expected\n+++ actual\n%s", diff)
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}
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}
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// Metric creates a new metric or panics on error.
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func MustMetric(
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name string,
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tags map[string]string,
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fields map[string]interface{},
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tm time.Time,
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tp ...telegraf.ValueType,
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) telegraf.Metric {
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m, err := metric.New(name, tags, fields, tm, tp...)
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if err != nil {
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panic("MustMetric")
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}
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return m
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}
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