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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package indexfile
import (
"bytes"
"encoding/hex"
"reflect"
"testing"
"golang.org/x/net/context"
"github.com/google/stenographer/base"
"github.com/google/stenographer/filecache"
)
var ctx = context.Background()
func testIndexFile(t *testing.T, filename string) *IndexFile {
idx, err := NewIndexFile(filename, filecache.NewCache(10))
if err != nil {
t.Fatal(err)
}
return idx
}
func TestIPPositions(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/dhcp")
defer idx.Close()
for _, test := range []struct {
start string
end string
want base.Positions
}{
{"192.168.0.1", "192.168.0.254", base.Positions{1049024, 1049848}},
{"10.0.0.1", "10.0.0.254", nil},
} {
if got, err := idx.IPPositions(ctx, parseIP(test.start), parseIP(test.end)); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(got, test.want) {
t.Errorf("wrong IP positions.\nwant: %v\n got: %v\n", test.want, got)
}
}
}
func TestMPLSPositions(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/mpls")
defer idx.Close()
for _, test := range []struct {
label uint32
want base.Positions
}{
{29, base.Positions{1051144, 1054304, 1054592, 1054736, 1054888, 1055184, 1055328, 1055472, 1055800, 1056824, 1056968}},
{55, nil},
} {
if got, err := idx.MPLSPositions(ctx, test.label); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(got, test.want) {
t.Errorf("wrong MPLS positions.\nwant: %v\n got: %v\n", test.want, got)
}
}
}
func TestVLANPositions(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/vlan")
defer idx.Close()
for _, test := range []struct {
id uint16
want base.Positions
}{
{7, base.Positions{1123648, 1126248, 1178544, 1192552, 1208680}},
{8, nil},
} {
if got, err := idx.VLANPositions(ctx, test.id); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(got, test.want) {
t.Errorf("wrong VLAN positions.\nwant: %v\n got: %v\n", test.want, got)
}
}
}
func TestProtoPositions(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/dhcp")
defer idx.Close()
for _, test := range []struct {
proto byte
want base.Positions
}{
{'\x11', base.Positions{1048624, 1049024, 1049448, 1049848}},
{'\x12', nil},
} {
if got, err := idx.ProtoPositions(ctx, test.proto); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(got, test.want) {
t.Errorf("wrong proto positions.\nwant: %v\n got: %v\n", test.want, got)
}
}
}
func TestPortPositions(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/dhcp")
defer idx.Close()
for _, test := range []struct {
port uint16
want base.Positions
}{
{67, base.Positions{1048624, 1049024, 1049448, 1049848}},
{69, nil},
} {
if got, err := idx.PortPositions(ctx, test.port); err != nil {
t.Fatal(err)
} else if !reflect.DeepEqual(got, test.want) {
t.Errorf("wrong proto positions.\nwant: %v\n got: %v\n", test.want, got)
}
}
}
func TestDump(t *testing.T) {
idx := testIndexFile(t, "/tmp/stenographer-testdata/IDX0/dhcp")
want := "00\n0111\n013a\n"
var w bytes.Buffer
start, _ := hex.DecodeString("00")
end, _ := hex.DecodeString("02")
idx.Dump(&w, start, end)
got := w.String()
if got != want {
t.Fatalf("invalid dump.\nwant %q\n got: %q\n", want, got)
}
}
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