62 lines
1.4 KiB
Go
62 lines
1.4 KiB
Go
package collector
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import (
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"reflect"
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"testing"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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)
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func TestExpandChildCollectors(t *testing.T) {
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cases := []struct {
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name string
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input string
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expectedOutput []string
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}{
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{
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name: "simple",
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input: "testing1,testing2,testing3",
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expectedOutput: []string{"testing1", "testing2", "testing3"},
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},
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{
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name: "duplicate",
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input: "testing1,testing2,testing2,testing3",
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expectedOutput: []string{"testing1", "testing2", "testing3"},
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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output := expandEnabledChildCollectors(c.input)
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if !reflect.DeepEqual(output, c.expectedOutput) {
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t.Errorf("Output mismatch, expected %+v, got %+v", c.expectedOutput, output)
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}
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})
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}
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}
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func benchmarkCollector(b *testing.B, name string, collectFunc func(logger log.Logger) (Collector, error)) {
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// Create perflib scrape context. Some perflib collectors required a correct context,
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// or will fail during benchmark.
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scrapeContext, err := PrepareScrapeContext([]string{name})
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if err != nil {
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b.Error(err)
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}
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c, err := collectFunc(log.NewNopLogger())
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if err != nil {
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b.Error(err)
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}
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metrics := make(chan prometheus.Metric)
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go func() {
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for {
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<-metrics
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}
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}()
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for i := 0; i < b.N; i++ {
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c.Collect(scrapeContext, metrics) //nolint:errcheck
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}
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}
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