Initial Proxmox dashboard with host and guest metrics

network_test.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+func TestReadNetworkSnapshot(t *testing.T) {
+	path := filepath.Join(t.TempDir(), "netdev")
+	content := `Inter-| Receive | Transmit
+ face |bytes packets errs drop fifo frame compressed multicast|bytes packets errs drop fifo colls carrier compressed
+    lo: 100 1 0 0 0 0 0 0 100 1 0 0 0 0 0 0
+  eth0: 1200 2 0 0 0 0 0 0 3400 3 0 0 0 0 0 0
+ vmbr0: 5600 4 0 0 0 0 0 0 7800 5 0 0 0 0 0 0
+`
+	if err := os.WriteFile(path, []byte(content), 0o600); err != nil {
+		t.Fatal(err)
+	}
+
+	snapshot, interfaces, err := readNetworkSnapshot(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if snapshot.received != 6800 || snapshot.sent != 11200 {
+		t.Fatalf("неожиданные сетевые счётчики: %+v", snapshot)
+	}
+	if len(interfaces) != 2 {
+		t.Fatalf("неожиданный список интерфейсов: %v", interfaces)
+	}
+}