test: cover daemon telemetry publication

cmd/rvbox-server/main_test.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"testing"
+
+	"github.com/rvbox/rvbox/internal/observability"
+	"github.com/rvbox/rvbox/internal/server/store"
+)
+
+func TestPublishServerTelemetrySample_HP_OPS_07(t *testing.T) {
+	t.Parallel()
+	health := observability.New()
+	publishServerTelemetrySample(context.Background(), func(context.Context) (store.Telemetry, error) {
+		return store.Telemetry{QueuedCommands: 3, ChargedBytes: 4096}, nil
+	}, health)
+	snapshot := health.MetricsSnapshot()
+	if snapshot.Gauges["queue_depth"] != 3 || snapshot.Gauges["server_charged_bytes"] != 4096 {
+		t.Fatalf("server telemetry gauges = %#v", snapshot.Gauges)
+	}
+}
+
+func TestPublishServerTelemetrySampleFailure_BH_OPS_04(t *testing.T) {
+	t.Parallel()
+	health := observability.New()
+	publishServerTelemetrySample(context.Background(), func(context.Context) (store.Telemetry, error) {
+		return store.Telemetry{}, errors.New("store unavailable")
+	}, health)
+	_, _, counters := health.Snapshot()
+	if counters["telemetry_read_failure"] != 1 {
+		t.Fatalf("telemetry failure counters = %#v", counters)
+	}
+}