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ipn/ipnlocal: add a test for recent WhoIs regression

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This would've prevented #9470.

This used to pass, fails as of 9538e9f97035, and passes again
once #9472 is in.

Updates #9470

Change-Id: Iab97666f7a318432fb3b6372a177ab50c55d4697
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2023-09-20 15:34:12 +01:00 committed by Maisem Ali
parent ae89482f25
commit 546506a54d
1 changed files with 62 additions and 18 deletions
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80
ipn/ipnlocal/local_test.go
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@ -402,10 +402,7 @@ func (panicOnUseTransport) RoundTrip(*http.Request) (*http.Response, error) {
panic("unexpected HTTP request")
}
// Issue 1573: don't generate a machine key if we don't want to be running.
func TestLazyMachineKeyGeneration(t *testing.T) {
tstest.Replace(t, &panicOnMachineKeyGeneration, func() bool { return true })
func newTestLocalBackend(t testing.TB) *LocalBackend {
var logf logger.Logf = logger.Discard
sys := new(tsd.System)
store := new(mem.Store)
@ -420,7 +417,14 @@ func TestLazyMachineKeyGeneration(t *testing.T) {
if err != nil {
t.Fatalf("NewLocalBackend: %v", err)
}
return lb
}
// Issue 1573: don't generate a machine key if we don't want to be running.
func TestLazyMachineKeyGeneration(t *testing.T) {
tstest.Replace(t, &panicOnMachineKeyGeneration, func() bool { return true })
lb := newTestLocalBackend(t)
lb.SetHTTPTestClient(&http.Client{
Transport: panicOnUseTransport{}, // validate we don't send HTTP requests
})
@ -672,21 +676,8 @@ func TestPacketFilterPermitsUnlockedNodes(t *testing.T) {
}
func TestStatusWithoutPeers(t *testing.T) {
logf := tstest.WhileTestRunningLogger(t)
store := new(testStateStorage)
sys := new(tsd.System)
sys.Set(store)
e, err := wgengine.NewFakeUserspaceEngine(logf, sys.Set)
if err != nil {
t.Fatalf("NewFakeUserspaceEngine: %v", err)
}
sys.Set(e)
t.Cleanup(e.Close)
b := newTestLocalBackend(t)
b, err := NewLocalBackend(logf, logid.PublicID{}, sys, 0)
if err != nil {
t.Fatalf("NewLocalBackend: %v", err)
}
var cc *mockControl
b.SetControlClientGetterForTesting(func(opts controlclient.Options) (controlclient.Client, error) {
cc = newClient(t, opts)
@ -855,3 +846,56 @@ func TestUpdateNetmapDelta(t *testing.T) {
}
}
}
// tests WhoIs and indirectly that setNetMapLocked updates b.nodeByAddr correctly.
func TestWhoIs(t *testing.T) {
b := newTestLocalBackend(t)
b.setNetMapLocked(&netmap.NetworkMap{
SelfNode: (&tailcfg.Node{
ID: 1,
User: 10,
Addresses: []netip.Prefix{netip.MustParsePrefix("100.101.102.103/32")},
}).View(),
Peers: []tailcfg.NodeView{
(&tailcfg.Node{
ID: 2,
User: 20,
Addresses: []netip.Prefix{netip.MustParsePrefix("100.200.200.200/32")},
}).View(),
},
UserProfiles: map[tailcfg.UserID]tailcfg.UserProfile{
10: {
DisplayName: "Myself",
},
20: {
DisplayName: "Peer",
},
},
})
tests := []struct {
q string
want tailcfg.NodeID // 0 means want ok=false
wantName string
}{
{"100.101.102.103:0", 1, "Myself"},
{"100.101.102.103:123", 1, "Myself"},
{"100.200.200.200:0", 2, "Peer"},
{"100.200.200.200:123", 2, "Peer"},
{"100.4.0.4:404", 0, ""},
}
for _, tt := range tests {
t.Run(tt.q, func(t *testing.T) {
nv, up, ok := b.WhoIs(netip.MustParseAddrPort(tt.q))
var got tailcfg.NodeID
if ok {
got = nv.ID()
}
if got != tt.want {
t.Errorf("got nodeID %v; want %v", got, tt.want)
}
if up.DisplayName != tt.wantName {
t.Errorf("got name %q; want %q", up.DisplayName, tt.wantName)
}
})
}
}