117 lines
2.4 KiB
Go
117 lines
2.4 KiB
Go
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package prometheus
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import (
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"testing"
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"time"
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"github.com/gogo/protobuf/proto"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/testutil"
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dto "github.com/prometheus/client_model/go"
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"github.com/stretchr/testify/require"
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)
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func TestCollectionExpire(t *testing.T) {
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tests := []struct {
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name string
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now time.Time
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age time.Duration
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metrics []telegraf.Metric
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expected []*dto.MetricFamily
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}{
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{
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name: "not expired",
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now: time.Unix(1, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_idle"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(42.0)},
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},
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},
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},
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},
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},
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{
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name: "expired single metric in metric family",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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},
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expected: []*dto.MetricFamily{},
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},
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{
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name: "expired one metric in metric family",
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now: time.Unix(20, 0),
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age: 10 * time.Second,
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metrics: []telegraf.Metric{
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_idle": 42.0,
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},
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time.Unix(0, 0),
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),
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testutil.MustMetric(
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"cpu",
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map[string]string{},
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map[string]interface{}{
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"time_guest": 42.0,
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},
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time.Unix(15, 0),
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),
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},
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expected: []*dto.MetricFamily{
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{
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Name: proto.String("cpu_time_guest"),
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Help: proto.String(helpString),
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Type: dto.MetricType_UNTYPED.Enum(),
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Metric: []*dto.Metric{
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{
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Label: []*dto.LabelPair{},
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Untyped: &dto.Untyped{Value: proto.Float64(42.0)},
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},
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},
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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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c := NewCollection(FormatConfig{})
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for _, metric := range tt.metrics {
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c.Add(metric)
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}
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c.Expire(tt.now, tt.age)
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actual := c.GetProto()
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require.Equal(t, tt.expected, actual)
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})
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}
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}
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