Files
tailscale/feature/conn25/addrAssignments_test.go
T
2026-05-08 14:33:06 -07:00

67 lines
1.6 KiB
Go

// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package conn25
import (
"net/netip"
"testing"
"time"
"tailscale.com/tstest"
)
func TestAssignmentsExpire(t *testing.T) {
clock := tstest.NewClock(tstest.ClockOpts{Start: time.Now()})
assignments := addrAssignments{clock: clock}
as := addrs{
dst: netip.MustParseAddr("0.0.0.1"),
magic: netip.MustParseAddr("0.0.0.2"),
transit: netip.MustParseAddr("0.0.0.3"),
app: "a",
domain: "example.com.",
}
err := assignments.insert(as)
if err != nil {
t.Fatal(err)
}
// Time has not passed since the insert, the assignment should be returned.
foundAs, ok := assignments.lookupByMagicIP(as.magic)
if !ok {
t.Fatal("expected to find")
}
if foundAs.dst != as.dst {
t.Fatalf("want %v; got %v", as.dst, foundAs.dst)
}
// and we cannot insert over the addresses
err = assignments.insert(as)
if err == nil {
t.Fatal("expected an error but got nil")
}
// After a time greater than the default expiry passes, the assignment should
// not be returned.
clock.Advance(defaultExpiry * 2)
foundAsAfter, okAfter := assignments.lookupByMagicIP(as.magic)
if okAfter {
t.Fatal("expected not to find (expired)")
}
if foundAsAfter.isValid() {
t.Fatal("expected zero val")
}
// Now we can reuse the addresses
err = assignments.insert(as)
if err != nil {
t.Fatal(err)
}
foundAs, ok = assignments.lookupByMagicIP(as.magic)
if !ok {
t.Fatal("expected to find")
}
if foundAs.dst != as.dst {
t.Fatalf("want %v; got %v", as.dst, foundAs.dst)
}
if !foundAs.expiresAt.After(clock.Now()) {
t.Fatalf("expected foundAs to expire after now")
}
}