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package log
import (
"net"
"os"
"reflect"
"testing"
"time"
)
func TestRecord(t *testing.T) {
logger, err := New(os.Stderr, "test: ", RecordOptions{Database: ":memory:"})
if err != nil {
t.Fatal(err)
}
logger.Record(net.IPv4(192, 0, 2, 100), 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 TestAnswerMerging(t *testing.T) {
logger, err := New(os.Stderr, "test: ", RecordOptions{Database: ":memory:"})
if err != nil {
t.Fatal(err)
}
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), 1, "example.com.", "192.0.2.1", "192.0.2.2")
// Flush queue
if err := logger.Close(); err != nil {
t.Fatal(err)
}
// Multi-answer log entry is merged
got, err := logger.Get(1)
if err != nil {
t.Fatal(err)
}
want := []Entry{{
Time: now,
RemoteAddr: net.IPv4(192, 0, 2, 100),
Qtype: 1,
Question: "example.com.",
Answers: []string{"192.0.2.2", "192.0.2.1"},
}}
if !reflect.DeepEqual(want, got) {
t.Errorf("Get(1) = %+v, want %+v", got, want)
}
}
func TestLogPruning(t *testing.T) {
logger, err := New(os.Stderr, "test: ", RecordOptions{
Database: ":memory:",
ExpiryInterval: 10 * time.Millisecond,
TTL: time.Hour,
})
if err != nil {
t.Fatal(err)
}
tt := time.Now()
logger.Now = func() time.Time { return tt }
logger.Record(net.IPv4(192, 0, 2, 100), 1, "example.com.", "192.0.2.1")
// Wait until queue is flushed
ts := time.Now()
var entries []Entry
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)
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 removed")
}
}
}
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