Files
ntfy/metrics/metrics_test.go

59 lines
1.7 KiB
Go

package metrics
import (
"sort"
"strings"
"testing"
"github.com/prometheus/client_golang/prometheus"
"github.com/stretchr/testify/require"
)
// expectedMetricNames is the exact set of metrics the server exposes. These names are a public
// contract: renaming or dropping one silently breaks existing dashboards and alerts.
var expectedMetricNames = []string{
"ntfy_attachments_total_size",
"ntfy_calls_made_failure",
"ntfy_calls_made_success",
"ntfy_emails_received_failure",
"ntfy_emails_received_success",
"ntfy_emails_sent_failure",
"ntfy_emails_sent_success",
"ntfy_firebase_published_failure",
"ntfy_firebase_published_success",
"ntfy_http_requests_total",
"ntfy_matrix_published_failure",
"ntfy_matrix_published_success",
"ntfy_message_publish_duration_ms",
"ntfy_messages_cached_total",
"ntfy_messages_published_failure",
"ntfy_messages_published_success",
"ntfy_subscribers_total",
"ntfy_topics_total",
"ntfy_unifiedpush_published_success",
"ntfy_users_total",
"ntfy_visitors_total",
}
func TestRegisteredMetricNames(t *testing.T) {
HTTPRequests.WithLabelValues("200", "20000", "GET").Inc()
families, err := prometheus.DefaultGatherer.Gather()
require.Nil(t, err)
names := make([]string, 0)
for _, family := range families {
if strings.HasPrefix(family.GetName(), "ntfy_") {
names = append(names, family.GetName())
}
}
sort.Strings(names)
require.Equal(t, expectedMetricNames, names)
}
func TestCollectors_NeverNil(t *testing.T) {
// Call sites update metrics unconditionally, even when metrics are disabled, so no collector
// may ever be nil
MessagesPublishedSuccess.Inc()
MessagesCached.Set(1)
HTTPRequests.WithLabelValues("200", "20000", "PUT").Inc()
}