coredns/plugin/log/log_test.go
Miek Gieben 284061eee7 pkg: add dnstest (#1098)
Add a full test server impl in this new package + tests. Move
dnsrecorder into this package as well and finish up the commented out
tests that were left in the old dnsrecorder package.

Update all callers and tests.
2017-09-21 15:15:47 +01:00

101 lines
2 KiB
Go

package log
import (
"bytes"
"log"
"strings"
"testing"
"github.com/coredns/coredns/plugin/pkg/dnstest"
"github.com/coredns/coredns/plugin/pkg/response"
"github.com/coredns/coredns/plugin/test"
"github.com/miekg/dns"
"golang.org/x/net/context"
)
func TestLoggedStatus(t *testing.T) {
var f bytes.Buffer
rule := Rule{
NameScope: ".",
Format: DefaultLogFormat,
Log: log.New(&f, "", 0),
}
logger := Logger{
Rules: []Rule{rule},
Next: test.ErrorHandler(),
}
ctx := context.TODO()
r := new(dns.Msg)
r.SetQuestion("example.org.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
rcode, _ := logger.ServeDNS(ctx, rec, r)
if rcode != 0 {
t.Errorf("Expected rcode to be 0 - was: %d", rcode)
}
logged := f.String()
if !strings.Contains(logged, "A IN example.org. udp 29 false 512") {
t.Errorf("Expected it to be logged. Logged string: %s", logged)
}
}
func TestLoggedClassDenial(t *testing.T) {
var f bytes.Buffer
rule := Rule{
NameScope: ".",
Format: DefaultLogFormat,
Log: log.New(&f, "", 0),
Class: response.Denial,
}
logger := Logger{
Rules: []Rule{rule},
Next: test.ErrorHandler(),
}
ctx := context.TODO()
r := new(dns.Msg)
r.SetQuestion("example.org.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
logger.ServeDNS(ctx, rec, r)
logged := f.String()
if len(logged) != 0 {
t.Errorf("Expected it not to be logged, but got string: %s", logged)
}
}
func TestLoggedClassError(t *testing.T) {
var f bytes.Buffer
rule := Rule{
NameScope: ".",
Format: DefaultLogFormat,
Log: log.New(&f, "", 0),
Class: response.Error,
}
logger := Logger{
Rules: []Rule{rule},
Next: test.ErrorHandler(),
}
ctx := context.TODO()
r := new(dns.Msg)
r.SetQuestion("example.org.", dns.TypeA)
rec := dnstest.NewRecorder(&test.ResponseWriter{})
logger.ServeDNS(ctx, rec, r)
logged := f.String()
if !strings.Contains(logged, "SERVFAIL") {
t.Errorf("Expected it to be logged. Logged string: %s", logged)
}
}