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* dnsforward_test: add test for null filter

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This commit is contained in:
Alexander Turcic 2019-05-14 14:53:31 +02:00 committed by Simon Zolin
parent 07ffcbec3d
commit cd2dd00da3
1 changed files with 50 additions and 0 deletions
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50
dnsforward/dnsforward_test.go
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@ -293,6 +293,55 @@ func TestBlockedRequest(t *testing.T) {
}
}
func TestNullBlockedRequest(t *testing.T) {
s := createTestServer(t)
s.FilteringConfig.BlockingMode = "null_ip"
defer removeDataDir(t)
err := s.Start(nil)
if err != nil {
t.Fatalf("Failed to start server: %s", err)
}
addr := s.dnsProxy.Addr(proxy.ProtoUDP)
//
// Null filter blocking
//
req := dns.Msg{}
req.Id = dns.Id()
req.RecursionDesired = true
req.Question = []dns.Question{
{Name: "null.example.org.", Qtype: dns.TypeA, Qclass: dns.ClassINET},
}
reply, err := dns.Exchange(&req, addr.String())
if err != nil {
t.Fatalf("Couldn't talk to server %s: %s", addr, err)
}
if len(reply.Answer) != 1 {
t.Fatalf("DNS server %s returned reply with wrong number of answers - %d", addr, len(reply.Answer))
}
if a, ok := reply.Answer[0].(*dns.A); ok {
if !net.IPv4zero.Equal(a.A) {
t.Fatalf("DNS server %s returned wrong answer instead of 0.0.0.0: %v", addr, a.A)
}
} else {
t.Fatalf("DNS server %s returned wrong answer type instead of A: %v", addr, reply.Answer[0])
}
// check query log and stats
log := s.GetQueryLog()
assert.Equal(t, 1, len(log), "Log size")
stats := s.GetStatsTop()
assert.Equal(t, 1, len(stats.Domains), "Top domains length")
assert.Equal(t, 1, len(stats.Blocked), "Top blocked length")
assert.Equal(t, 1, len(stats.Clients), "Top clients length")
err = s.Stop()
if err != nil {
t.Fatalf("DNS server failed to stop: %s", err)
}
}
func TestBlockedByHosts(t *testing.T) {
s := createTestServer(t)
defer removeDataDir(t)
@ -413,6 +462,7 @@ func createTestServer(t *testing.T) *Server {
rules := []string{
"||nxdomain.example.org^",
"||null.example.org^",
"127.0.0.1 host.example.org",
}
filter := dnsfilter.Filter{ID: 1, Rules: rules}