go-ethereum/p2p/tracker/tracker_test.go

83 lines
2.6 KiB
Go

// Copyright 2026 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package tracker
import (
"testing"
"time"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/p2p"
)
// TestCleanAfterStop verifies that the clean method does not crash when called
// after Stop. This can happen because clean is scheduled via time.AfterFunc and
// may fire after Stop sets t.expire to nil.
func TestCleanAfterStop(t *testing.T) {
cap := p2p.Cap{Name: "test", Version: 1}
timeout := 50 * time.Millisecond
tr := New(cap, "peer1", timeout)
// Track a request to start the expiration timer.
tr.Track(Request{ID: 1, ReqCode: 0x01, RespCode: 0x02, Size: 1})
// Stop the tracker, then wait for the timer to fire.
tr.Stop()
time.Sleep(timeout + 50*time.Millisecond)
// Also verify that calling clean directly after stop doesn't panic.
tr.clean()
}
// This checks that metrics gauges for pending requests are be decremented when a
// Tracker is stopped.
func TestMetricsOnStop(t *testing.T) {
metrics.Enable()
cap := p2p.Cap{Name: "test", Version: 1}
tr := New(cap, "peer1", time.Minute)
// Track some requests with different ReqCodes.
var id uint64
for i := 0; i < 3; i++ {
tr.Track(Request{ID: id, ReqCode: 0x01, RespCode: 0x02, Size: 1})
id++
}
for i := 0; i < 5; i++ {
tr.Track(Request{ID: id, ReqCode: 0x03, RespCode: 0x04, Size: 1})
id++
}
gauge1 := tr.trackedGauge(0x01)
gauge2 := tr.trackedGauge(0x03)
if gauge1.Snapshot().Value() != 3 {
t.Fatalf("gauge1 value mismatch: got %d, want 3", gauge1.Snapshot().Value())
}
if gauge2.Snapshot().Value() != 5 {
t.Fatalf("gauge2 value mismatch: got %d, want 5", gauge2.Snapshot().Value())
}
tr.Stop()
if gauge1.Snapshot().Value() != 0 {
t.Fatalf("gauge1 value after stop: got %d, want 0", gauge1.Snapshot().Value())
}
if gauge2.Snapshot().Value() != 0 {
t.Fatalf("gauge2 value after stop: got %d, want 0", gauge2.Snapshot().Value())
}
}