Files
ctrld/cmd/cli/network_source_error_test.go
T

33 lines
1.2 KiB
Go

package cli
import (
"errors"
"net"
"testing"
ctrld "github.com/Control-D-Inc/ctrld"
"tailscale.com/net/netmon"
)
func TestSourceReadFailureDefersAcceptedWrites(t *testing.T) {
sourceTestGlobals(t)
dnsIntercept = false
oldCurrent, oldRead := networkChangeCurrentStateFn, readNetworkSourceStateFn
t.Cleanup(func() { networkChangeCurrentStateFn, readNetworkSourceStateFn = oldCurrent, oldRead })
major := sourceTestState("en0", true, "192.0.2.10/24")
networkChangeCurrentStateFn = func(*netmon.ChangeDelta) *netmon.State { return major }
readNetworkSourceStateFn = func() (*netmon.State, error) { return nil, errors.New("read failed") }
ctrld.SetDefaultLocalIPv4(net.ParseIP("192.0.2.1"))
ctrld.SetDefaultLocalIPv6(nil)
p := &prog{cfg: &ctrld.Config{}, networkSourceEpoch: major}
calls := 0
networkChangeReconcileFn = func(*prog, uint64) { calls++ }
p.handleNetworkChange(&netmon.ChangeDelta{
Monitor: netmon.NewStatic(),
Old: sourceTestState("en0", true, "192.0.2.1/24"), New: major,
}, true)
if calls != 1 || !ctrld.GetDefaultLocalIPv4().Equal(net.ParseIP("192.0.2.1")) {
t.Fatal("unknown source validity changed a binding or skipped accepted recovery")
}
}