42 lines
1.5 KiB
Go
42 lines
1.5 KiB
Go
package dnstt
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import (
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"strings"
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"testing"
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"time"
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"github.com/prometheus/client_golang/prometheus/testutil"
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)
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func TestExporterCollectsAggregateDNSTTMetrics(t *testing.T) {
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now := time.Unix(1000, 0)
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c := NewCollector([]string{"tunnel.example.com"}, WithNow(func() time.Time { return now }))
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c.RecordQuery("tunnel.example.com", "client-a", 100)
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c.RecordQuery("tunnel.example.com", "client-b", 300)
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c.RecordResponse("tunnel.example.com", 250)
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expected := `
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# HELP dnstt_active_clients Number of DNSTT client sessions observed within the active timeout window.
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# TYPE dnstt_active_clients gauge
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dnstt_active_clients{domain="tunnel.example.com"} 2
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# HELP dnstt_bytes_in_total Total bytes observed in DNSTT DNS queries.
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# TYPE dnstt_bytes_in_total counter
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dnstt_bytes_in_total{domain="tunnel.example.com"} 400
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# HELP dnstt_bytes_out_total Total bytes observed in DNSTT DNS responses.
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# TYPE dnstt_bytes_out_total counter
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dnstt_bytes_out_total{domain="tunnel.example.com"} 250
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# HELP dnstt_peak_clients Maximum concurrent active DNSTT client sessions observed.
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# TYPE dnstt_peak_clients gauge
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dnstt_peak_clients{domain="tunnel.example.com"} 2
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# HELP dnstt_queries_total Total DNSTT DNS queries observed.
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# TYPE dnstt_queries_total counter
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dnstt_queries_total{domain="tunnel.example.com"} 2
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# HELP dnstt_sessions_total Total unique DNSTT client sessions observed.
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# TYPE dnstt_sessions_total counter
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dnstt_sessions_total{domain="tunnel.example.com"} 2
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`
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if err := testutil.CollectAndCompare(NewExporter(c), strings.NewReader(expected)); err != nil {
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t.Fatal(err)
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}
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}
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