tailscale/wgengine/magicsock/relaymanager_test.go
Jordan Whited 1677fb1905
wgengine/magicsock,all: allocate peer relay over disco instead of PeerAPI (#16603)
Updates tailscale/corp#30583
Updates tailscale/corp#30534
Updates tailscale/corp#30557

Signed-off-by: Dylan Bargatze <dylan@tailscale.com>
Signed-off-by: Jordan Whited <jordan@tailscale.com>
Co-authored-by: Dylan Bargatze <dylan@tailscale.com>
2025-07-21 10:02:37 -07:00

81 lines
2.0 KiB
Go

// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package magicsock
import (
"testing"
"tailscale.com/disco"
"tailscale.com/types/key"
"tailscale.com/util/set"
)
func TestRelayManagerInitAndIdle(t *testing.T) {
rm := relayManager{}
rm.startUDPRelayPathDiscoveryFor(&endpoint{}, addrQuality{}, false)
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.stopWork(&endpoint{})
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.handleCallMeMaybeVia(&endpoint{c: &Conn{discoPrivate: key.NewDisco()}}, addrQuality{}, false, &disco.CallMeMaybeVia{UDPRelayEndpoint: disco.UDPRelayEndpoint{ServerDisco: key.NewDisco().Public()}})
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.handleRxDiscoMsg(&Conn{discoPrivate: key.NewDisco()}, &disco.BindUDPRelayEndpointChallenge{}, key.NodePublic{}, key.DiscoPublic{}, epAddr{})
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.handleRelayServersSet(make(set.Set[candidatePeerRelay]))
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.getServers()
<-rm.runLoopStoppedCh
rm = relayManager{}
rm.handleDERPHomeChange(key.NodePublic{}, 1)
<-rm.runLoopStoppedCh
}
func TestRelayManagerHandleDERPHomeChange(t *testing.T) {
rm := relayManager{}
servers := make(set.Set[candidatePeerRelay], 1)
c := candidatePeerRelay{
nodeKey: key.NewNode().Public(),
discoKey: key.NewDisco().Public(),
derpHomeRegionID: 1,
}
servers.Add(c)
rm.handleRelayServersSet(servers)
want := c
want.derpHomeRegionID = 2
rm.handleDERPHomeChange(c.nodeKey, 2)
got := rm.getServers()
if len(got) != 1 {
t.Fatalf("got %d servers, want 1", len(got))
}
_, ok := got[want]
if !ok {
t.Fatal("DERP home change failed to propagate")
}
}
func TestRelayManagerGetServers(t *testing.T) {
rm := relayManager{}
servers := make(set.Set[candidatePeerRelay], 1)
c := candidatePeerRelay{
nodeKey: key.NewNode().Public(),
discoKey: key.NewDisco().Public(),
}
servers.Add(c)
rm.handleRelayServersSet(servers)
got := rm.getServers()
if !servers.Equal(got) {
t.Errorf("got %v != want %v", got, servers)
}
}