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p2p/tracker: add test file

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This commit is contained in:
Felix Lange 2026-02-13 21:17:42 +01:00
parent 3197db8b83
commit 457b8c9391
1 changed files with 64 additions and 0 deletions
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64
p2p/tracker/tracker_test.go Normal file
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// 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"
)
// 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())
}
}