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package sql
import (
"net"
"reflect"
"testing"
"time"
)
func TestRecord(t *testing.T) {
client := testClient()
logger := NewLogger(client, LogAll, 0)
logger.Record(net.IPv4(192, 0, 2, 100), false, 1, "example.com.", "192.0.2.1", "192.0.2.2")
// Flush queue
if err := logger.Close(); err != nil {
t.Fatal(err)
}
logEntries, err := logger.db.ReadLog(1)
if err != nil {
t.Fatal(err)
}
if want, got := 2, len(logEntries); want != got {
t.Errorf("len(entries) = %d, want %d", got, want)
}
}
func TestMode(t *testing.T) {
badHost := "badhost1."
goodHost := "goodhost1."
var tests = []struct {
question string
remoteAddr net.IP
hijacked bool
mode int
log bool
}{
{badHost, net.IPv4(192, 0, 2, 100), true, LogAll, true},
{goodHost, net.IPv4(192, 0, 2, 100), true, LogAll, true},
{badHost, net.IPv4(192, 0, 2, 100), true, LogHijacked, true},
{goodHost, net.IPv4(192, 0, 2, 100), false, LogHijacked, false},
{badHost, net.IPv4(192, 0, 2, 100), true, LogDiscard, false},
{goodHost, net.IPv4(192, 0, 2, 100), false, LogDiscard, false},
}
for i, tt := range tests {
logger := NewLogger(testClient(), tt.mode, 0)
logger.mode = tt.mode
logger.Record(tt.remoteAddr, tt.hijacked, 1, tt.question)
if err := logger.Close(); err != nil { // Flush
t.Fatal(err)
}
entries, err := logger.Get(1)
if err != nil {
t.Fatal(err)
}
if len(entries) > 0 != tt.log {
t.Errorf("#%d: question %q (hijacked=%t) should be logged in mode %d", i, tt.question, tt.hijacked, tt.mode)
}
}
}
func TestAnswerMerging(t *testing.T) {
logger := NewLogger(testClient(), LogAll, 0)
now := time.Date(2006, 1, 2, 15, 4, 5, 0, time.UTC)
logger.now = func() time.Time { return now }
logger.Record(net.IPv4(192, 0, 2, 100), true, 1, "example.com.", "192.0.2.1", "192.0.2.2")
logger.Record(net.IPv4(192, 0, 2, 100), true, 1, "2.example.com.")
// Flush queue
if err := logger.Close(); err != nil {
t.Fatal(err)
}
// Multi-answer log entries are merged
got, err := logger.Get(2)
if err != nil {
t.Fatal(err)
}
want := []Entry{
{
Time: now,
RemoteAddr: net.IPv4(192, 0, 2, 100),
Hijacked: true,
Qtype: 1,
Question: "example.com.",
Answers: []string{"192.0.2.2", "192.0.2.1"},
},
{
Time: now,
RemoteAddr: net.IPv4(192, 0, 2, 100),
Hijacked: true,
Qtype: 1,
Question: "2.example.com.",
}}
if !reflect.DeepEqual(want, got) {
t.Errorf("Get(1) = %+v, want %+v", got, want)
}
}
func TestLogPruning(t *testing.T) {
logger := NewLogger(testClient(), LogAll, time.Hour)
defer logger.Close()
tt := time.Now()
logger.now = func() time.Time { return tt }
logger.Record(net.IPv4(192, 0, 2, 100), false, 1, "example.com.", "192.0.2.1")
// Wait until queue is flushed
ts := time.Now()
var entries []Entry
var err error
for len(entries) == 0 {
entries, err = logger.Get(1)
if err != nil {
t.Fatal(err)
}
time.Sleep(10 * time.Millisecond)
if time.Since(ts) > 2*time.Second {
t.Fatal("timed out waiting for log entry to be written")
}
}
// Advance time beyond log TTL
tt = tt.Add(time.Hour).Add(time.Second)
// Trigger pruning by recording another entry
logger.Record(net.IPv4(192, 0, 2, 100), false, 1, "2.example.com.", "192.0.2.2")
for len(entries) > 1 {
entries, err = logger.Get(2)
if err != nil {
t.Fatal(err)
}
time.Sleep(10 * time.Millisecond)
if time.Since(ts) > 2*time.Second {
t.Fatal("timed out waiting for log entry to be removed")
}
}
}
|
