34 lines
736 B
Go
34 lines
736 B
Go
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package apcupsdexporter
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import (
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"io/ioutil"
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"net/http"
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"net/http/httptest"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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)
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func testCollector(t *testing.T, collector prometheus.Collector) []byte {
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if err := prometheus.Register(collector); err != nil {
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t.Fatalf("failed to register Prometheus collector: %v", err)
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}
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defer prometheus.Unregister(collector)
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promServer := httptest.NewServer(prometheus.Handler())
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defer promServer.Close()
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resp, err := http.Get(promServer.URL)
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if err != nil {
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t.Fatalf("failed to GET data from prometheus: %v", err)
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}
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defer resp.Body.Close()
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buf, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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t.Fatalf("failed to read server response: %v", err)
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}
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return buf
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}
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