nextcloud-spreed-signaling/stats_prometheus_test.go

77 lines
2.1 KiB
Go

/**
* Standalone signaling server for the Nextcloud Spreed app.
* Copyright (C) 2021 struktur AG
*
* @author Joachim Bauch <bauch@struktur.de>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package signaling
import (
"fmt"
"runtime"
"strings"
"testing"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/testutil"
)
func checkStatsValue(t *testing.T, collector prometheus.Collector, value float64) {
ch := make(chan *prometheus.Desc, 1)
collector.Describe(ch)
desc := <-ch
v := testutil.ToFloat64(collector)
if v != value {
pc := make([]uintptr, 10)
n := runtime.Callers(2, pc)
if n == 0 {
t.Errorf("Expected value %f for %s, got %f", value, desc, v)
return
}
pc = pc[:n]
frames := runtime.CallersFrames(pc)
stack := ""
for {
frame, more := frames.Next()
if !strings.Contains(frame.File, "nextcloud-spreed-signaling") {
break
}
stack += fmt.Sprintf("%s:%d\n", frame.File, frame.Line)
if !more {
break
}
}
t.Errorf("Expected value %f for %s, got %f at\n%s", value, desc, v, stack)
}
}
func collectAndLint(t *testing.T, collectors ...prometheus.Collector) {
for _, collector := range collectors {
problems, err := testutil.CollectAndLint(collector)
if err != nil {
t.Errorf("Error linting %+v: %s", collector, err)
continue
}
for _, problem := range problems {
t.Errorf("Problem with %s: %s", problem.Metric, problem.Text)
}
}
}