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// Copyright 2019 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 (
"testing"
"github.com/google/go-cmp/cmp"
)
func TestNetSoftnet(t *testing.T) {
fs, err := NewFS(procTestFixtures)
if err != nil {
t.Fatal(err)
}
want := []SoftnetStat{
{
Processed: 0x00358fe3,
Dropped: 0x00006283,
TimeSqueezed: 0x00000000,
CPUCollision: 0x00000000,
ReceivedRps: 0x000855fc,
FlowLimitCount: 0x00000076,
SoftnetBacklogLen: 0x00000000,
Index: 0x00000000,
Width: 13,
},
{
Processed: 0x00953d1a,
Dropped: 0x00000446,
TimeSqueezed: 0x000000b1,
CPUCollision: 0x00000000,
ReceivedRps: 0x008eeb9a,
FlowLimitCount: 0x0000002b,
SoftnetBacklogLen: 0x000000dc,
Index: 0x00000001,
Width: 13,
},
{
Processed: 0x00015c73,
Dropped: 0x00020e76,
TimeSqueezed: 0xf0000769,
CPUCollision: 0x00000004,
ReceivedRps: 0x00000003,
FlowLimitCount: 0x00000002,
Index: 0x00000002,
Width: 11,
},
{
Processed: 0x01663fb2,
Dropped: 0x00000000,
TimeSqueezed: 0x0109a4,
CPUCollision: 0x00020e76,
Index: 0x00000003,
Width: 9,
},
{
Processed: 0x00008e78,
Dropped: 0x00000001,
TimeSqueezed: 0x00000011,
CPUCollision: 0x00000020,
ReceivedRps: 0x00000010,
Index: 0x00000004,
Width: 10,
},
}
got, err := fs.NetSoftnetStat()
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(want, got); diff != "" {
t.Fatalf("unexpected softnet stats(-want +got):\n%s", diff)
}
}
func TestBadSoftnet(t *testing.T) {
softNetProcFile = "net/softnet_stat.broken"
fs, err := NewFS(procTestFixtures)
if err != nil {
t.Fatal(err)
}
_, err = fs.NetSoftnetStat()
if err == nil {
t.Fatal("expected error, got nil")
}
}
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