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pf_test.go
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package pf
import (
"log"
"reflect"
"strconv"
"testing"
"github.com/influxdata/telegraf/testutil"
)
type measurementResult struct {
tags map[string]string
fields map[string]interface{}
}
func TestPfctlInvocation(t *testing.T) {
type pfctlInvocationTestCase struct {
config PF
cmd string
args []string
}
var testCases = []pfctlInvocationTestCase{
// 0: no sudo
pfctlInvocationTestCase{
config: PF{UseSudo: false},
cmd: "fakepfctl",
args: []string{"-s", "info"},
},
// 1: with sudo
pfctlInvocationTestCase{
config: PF{UseSudo: true},
cmd: "fakesudo",
args: []string{"fakepfctl", "-s", "info"},
},
}
for i, tt := range testCases {
execLookPath = func(cmd string) (string, error) { return "fake" + cmd, nil }
t.Run(strconv.Itoa(i), func(t *testing.T) {
log.Printf("running #%d\n", i)
cmd, args, err := tt.config.buildPfctlCmd()
if err != nil {
t.Fatalf("error when running buildPfctlCmd: %s", err)
}
if tt.cmd != cmd || !reflect.DeepEqual(tt.args, args) {
t.Errorf("%d: expected %s - %#v got %s - %#v", i, tt.cmd, tt.args, cmd, args)
}
})
}
}
func TestPfMeasurements(t *testing.T) {
type pfTestCase struct {
TestInput string
err error
measurements []measurementResult
}
testCases := []pfTestCase{
// 0: nil input should raise an error
pfTestCase{TestInput: "", err: errParseHeader},
// 1: changes to pfctl output should raise an error
pfTestCase{TestInput: `Status: Enabled for 161 days 21:24:45 Debug: Urgent
Interface Stats for re1 IPv4 IPv6
Bytes In 2585823744614 1059233657221
Bytes Out 1227266932673 3274698578875
Packets In
Passed 2289953086 1945437219
Blocked 392835739 48609
Packets Out
Passed 1649146326 2605569054
Blocked 107 0
State Table Total Rate
Current Entrys 649
searches 18421725761 1317.0/s
inserts 156762508 11.2/s
removals 156761859 11.2/s
Counters
match 473002784 33.8/s
bad-offset 0 0.0/s
fragment 2729 0.0/s
short 107 0.0/s
normalize 1685 0.0/s
memory 101 0.0/s
bad-timestamp 0 0.0/s
congestion 0 0.0/s
ip-option 152301 0.0/s
proto-cksum 108 0.0/s
state-mismatch 24393 0.0/s
state-insert 92 0.0/s
state-limit 0 0.0/s
src-limit 0 0.0/s
synproxy 0 0.0/s
`,
err: errMissingData("current entries"),
},
// 2: bad numbers should raise an error
pfTestCase{TestInput: `Status: Enabled for 0 days 00:26:05 Debug: Urgent
State Table Total Rate
current entries -23
searches 11325 7.2/s
inserts 5 0.0/s
removals 3 0.0/s
Counters
match 11226 7.2/s
bad-offset 0 0.0/s
fragment 0 0.0/s
short 0 0.0/s
normalize 0 0.0/s
memory 0 0.0/s
bad-timestamp 0 0.0/s
congestion 0 0.0/s
ip-option 0 0.0/s
proto-cksum 0 0.0/s
state-mismatch 0 0.0/s
state-insert 0 0.0/s
state-limit 0 0.0/s
src-limit 0 0.0/s
synproxy 0 0.0/s
`,
err: errMissingData("current entries"),
},
pfTestCase{TestInput: `Status: Enabled for 0 days 00:26:05 Debug: Urgent
State Table Total Rate
current entries 2
searches 11325 7.2/s
inserts 5 0.0/s
removals 3 0.0/s
Counters
match 11226 7.2/s
bad-offset 0 0.0/s
fragment 0 0.0/s
short 0 0.0/s
normalize 0 0.0/s
memory 0 0.0/s
bad-timestamp 0 0.0/s
congestion 0 0.0/s
ip-option 0 0.0/s
proto-cksum 0 0.0/s
state-mismatch 0 0.0/s
state-insert 0 0.0/s
state-limit 0 0.0/s
src-limit 0 0.0/s
synproxy 0 0.0/s
`,
measurements: []measurementResult{
measurementResult{
fields: map[string]interface{}{
"entries": int64(2),
"searches": int64(11325),
"inserts": int64(5),
"removals": int64(3),
"match": int64(11226),
"bad-offset": int64(0),
"fragment": int64(0),
"short": int64(0),
"normalize": int64(0),
"memory": int64(0),
"bad-timestamp": int64(0),
"congestion": int64(0),
"ip-option": int64(0),
"proto-cksum": int64(0),
"state-mismatch": int64(0),
"state-insert": int64(0),
"state-limit": int64(0),
"src-limit": int64(0),
"synproxy": int64(0)},
tags: map[string]string{},
},
},
},
pfTestCase{TestInput: `Status: Enabled for 161 days 21:24:45 Debug: Urgent
Interface Stats for re1 IPv4 IPv6
Bytes In 2585823744614 1059233657221
Bytes Out 1227266932673 3274698578875
Packets In
Passed 2289953086 1945437219
Blocked 392835739 48609
Packets Out
Passed 1649146326 2605569054
Blocked 107 0
State Table Total Rate
current entries 649
searches 18421725761 1317.0/s
inserts 156762508 11.2/s
removals 156761859 11.2/s
Counters
match 473002784 33.8/s
bad-offset 0 0.0/s
fragment 2729 0.0/s
short 107 0.0/s
normalize 1685 0.0/s
memory 101 0.0/s
bad-timestamp 0 0.0/s
congestion 0 0.0/s
ip-option 152301 0.0/s
proto-cksum 108 0.0/s
state-mismatch 24393 0.0/s
state-insert 92 0.0/s
state-limit 0 0.0/s
src-limit 0 0.0/s
synproxy 0 0.0/s
`,
measurements: []measurementResult{
measurementResult{
fields: map[string]interface{}{
"entries": int64(649),
"searches": int64(18421725761),
"inserts": int64(156762508),
"removals": int64(156761859),
"match": int64(473002784),
"bad-offset": int64(0),
"fragment": int64(2729),
"short": int64(107),
"normalize": int64(1685),
"memory": int64(101),
"bad-timestamp": int64(0),
"congestion": int64(0),
"ip-option": int64(152301),
"proto-cksum": int64(108),
"state-mismatch": int64(24393),
"state-insert": int64(92),
"state-limit": int64(0),
"src-limit": int64(0),
"synproxy": int64(0)},
tags: map[string]string{},
},
},
},
}
for i, tt := range testCases {
t.Run(strconv.Itoa(i), func(t *testing.T) {
log.Printf("running #%d\n", i)
pf := &PF{
infoFunc: func() (string, error) {
return tt.TestInput, nil
},
}
acc := new(testutil.Accumulator)
err := acc.GatherError(pf.Gather)
if !reflect.DeepEqual(tt.err, err) {
t.Errorf("%d: expected error '%#v' got '%#v'", i, tt.err, err)
}
n := 0
for j, v := range tt.measurements {
if len(acc.Metrics) < n+1 {
t.Errorf("%d: expected at least %d values got %d", i, n+1, len(acc.Metrics))
break
}
m := acc.Metrics[n]
if !reflect.DeepEqual(m.Measurement, measurement) {
t.Errorf("%d %d: expected measurement '%#v' got '%#v'\n", i, j, measurement, m.Measurement)
}
if !reflect.DeepEqual(m.Tags, v.tags) {
t.Errorf("%d %d: expected tags\n%#v got\n%#v\n", i, j, v.tags, m.Tags)
}
if !reflect.DeepEqual(m.Fields, v.fields) {
t.Errorf("%d %d: expected fields\n%#v got\n%#v\n", i, j, v.fields, m.Fields)
}
n++
}
})
}
}