// Copyright 2020 The Prometheus Authors
// 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 procfs
import (
"net"
"reflect"
"testing"
)
func Test_newNetTCP(t *testing.T) {
tests := []struct {
name string
file string
want NetTCP
wantErr bool
}{
{
name: "tcp file found, no error should come up",
file: "fixtures/proc/net/tcp",
want: []*netIPSocketLine{
&netIPSocketLine{
Sl: 0,
LocalAddr: net.IP{10, 0, 0, 5},
LocalPort: 22,
RemAddr: net.IP{0, 0, 0, 0},
RemPort: 0,
St: 10,
TxQueue: 0,
RxQueue: 1,
UID: 0,
},
&netIPSocketLine{
Sl: 1,
LocalAddr: net.IP{0, 0, 0, 0},
LocalPort: 22,
RemAddr: net.IP{0, 0, 0, 0},
RemPort: 0,
St: 10,
TxQueue: 1,
RxQueue: 0,
UID: 0,
},
&netIPSocketLine{
Sl: 2,
LocalAddr: net.IP{0, 0, 0, 0},
LocalPort: 22,
RemAddr: net.IP{0, 0, 0, 0},
RemPort: 0,
St: 10,
TxQueue: 1,
RxQueue: 1,
UID: 0,
},
},
wantErr: false,
},
{
name: "tcp6 file found, no error should come up",
file: "fixtures/proc/net/tcp6",
want: []*netIPSocketLine{
&netIPSocketLine{
Sl: 1315,
LocalAddr: net.IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
LocalPort: 5355,
RemAddr: net.IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
RemPort: 0,
St: 7,
TxQueue: 0,
RxQueue: 0,
UID: 981,
},
&netIPSocketLine{
Sl: 6073,
LocalAddr: net.IP{254, 128, 0, 0, 0, 0, 0, 0, 86, 225, 173, 255, 254, 124, 102, 9},
LocalPort: 51073,
RemAddr: net.IP{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
RemPort: 0,
St: 7,
TxQueue: 0,
RxQueue: 0,
UID: 1000,
},
},
wantErr: false,
},
{
name: "error case - file not found",
file: "somewhere over the rainbow",
want: nil,
wantErr: true,
},
{
name: "error case - parse error",
file: "fixtures/proc/net/tcp_broken",
want: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := newNetTCP(tt.file)
if (err != nil) != tt.wantErr {
t.Errorf("newNetTCP() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("newNetTCP() = %v, want %v", got, tt.want)
}
})
}
}
func Test_newNetTCPSummary(t *testing.T) {
tests := []struct {
name string
file string
want *NetTCPSummary
wantErr bool
}{
{
name: "tcp file found, no error should come up",
file: "fixtures/proc/net/tcp",
want: &NetTCPSummary{TxQueueLength: 2, RxQueueLength: 2, UsedSockets: 3},
wantErr: false,
},
{
name: "tcp6 file found, no error should come up",
file: "fixtures/proc/net/tcp6",
want: &NetTCPSummary{TxQueueLength: 0, RxQueueLength: 0, UsedSockets: 2},
wantErr: false,
},
{
name: "error case - file not found",
file: "somewhere over the rainbow",
want: nil,
wantErr: true,
},
{
name: "error case - parse error",
file: "fixtures/proc/net/tcp_broken",
want: nil,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := newNetTCPSummary(tt.file)
if (err != nil) != tt.wantErr {
t.Errorf("newNetTCPSummary() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("newNetTCPSummary() = %v, want %v", got, tt.want)
}
})
}
}