39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
package metrics
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import (
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"net/http"
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"testing"
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"time"
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"github.com/containous/traefik/types"
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"github.com/stvp/go-udp-testing"
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)
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func TestStatsD(t *testing.T) {
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udp.SetAddr(":18125")
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// This is needed to make sure that UDP Listener listens for data a bit longer, otherwise it will quit after a millisecond
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udp.Timeout = 5 * time.Second
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statsdRegistry := RegisterStatsd(&types.Statsd{Address: ":18125", PushInterval: "1s"})
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defer StopStatsd()
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if !statsdRegistry.IsEnabled() {
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t.Errorf("PrometheusRegistry should return true for IsEnabled()")
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}
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expected := []string{
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// We are only validating counts, as it is nearly impossible to validate latency, since it varies every run
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"traefik.requests.total:2.000000|c\n",
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"traefik.backend.retries.total:2.000000|c\n",
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"traefik.request.duration:10000.000000|ms",
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}
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udp.ShouldReceiveAll(t, expected, func() {
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statsdRegistry.ReqsCounter().With("service", "test", "code", string(http.StatusOK), "method", http.MethodGet).Add(1)
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statsdRegistry.ReqsCounter().With("service", "test", "code", string(http.StatusNotFound), "method", http.MethodGet).Add(1)
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statsdRegistry.RetriesCounter().With("service", "test").Add(1)
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statsdRegistry.RetriesCounter().With("service", "test").Add(1)
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statsdRegistry.ReqDurationHistogram().With("service", "test", "code", string(http.StatusOK)).Observe(10000)
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})
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}
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