mirror of
https://github.com/aljazceru/kata-containers.git
synced 2025-12-26 18:44:47 +01:00
1675410256
In order to reuse the same scheme across several components of the runtime repository, we need to factorize the code handling signalling through a common package. The immediate use case will be to use this package from both the CLI and the network monitor. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
141 lines
2.5 KiB
Go
141 lines
2.5 KiB
Go
// Copyright (c) 2018 Intel Corporation
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
package signals
|
|
|
|
import (
|
|
"bytes"
|
|
"os"
|
|
"reflect"
|
|
goruntime "runtime"
|
|
"sort"
|
|
"strings"
|
|
"syscall"
|
|
"testing"
|
|
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
func TestSignalFatalSignal(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
for sig, fatal := range handledSignalsMap {
|
|
result := NonFatalSignal(sig)
|
|
if fatal {
|
|
assert.False(result)
|
|
} else {
|
|
assert.True(result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSignalHandledSignalsMap(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
for sig, fatal := range handledSignalsMap {
|
|
result := FatalSignal(sig)
|
|
if fatal {
|
|
assert.True(result)
|
|
} else {
|
|
assert.False(result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSignalHandledSignals(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
var expected []syscall.Signal
|
|
|
|
for sig := range handledSignalsMap {
|
|
expected = append(expected, sig)
|
|
}
|
|
|
|
got := HandledSignals()
|
|
|
|
sort.Slice(expected, func(i, j int) bool {
|
|
return int(expected[i]) < int(expected[j])
|
|
})
|
|
|
|
sort.Slice(got, func(i, j int) bool {
|
|
return int(got[i]) < int(got[j])
|
|
})
|
|
|
|
assert.True(reflect.DeepEqual(expected, got))
|
|
}
|
|
|
|
func TestSignalNonFatalSignal(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
for sig, fatal := range handledSignalsMap {
|
|
result := NonFatalSignal(sig)
|
|
if fatal {
|
|
assert.False(result)
|
|
} else {
|
|
assert.True(result)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSignalFatalSignalInvalidSignal(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
sig := syscall.SIGXCPU
|
|
|
|
result := FatalSignal(sig)
|
|
assert.False(result)
|
|
}
|
|
|
|
func TestSignalNonFatalSignalInvalidSignal(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
sig := syscall.SIGXCPU
|
|
|
|
result := NonFatalSignal(sig)
|
|
assert.False(result)
|
|
}
|
|
|
|
func TestSignalBacktrace(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
savedLog := signalLog
|
|
defer func() {
|
|
signalLog = savedLog
|
|
}()
|
|
|
|
signalLog = logrus.WithFields(logrus.Fields{
|
|
"name": "name",
|
|
"pid": os.Getpid(),
|
|
"source": "throttler",
|
|
"test-logger": true})
|
|
|
|
// create buffer to save logger output
|
|
buf := &bytes.Buffer{}
|
|
|
|
savedOut := signalLog.Logger.Out
|
|
defer func() {
|
|
signalLog.Logger.Out = savedOut
|
|
}()
|
|
|
|
// capture output to buffer
|
|
signalLog.Logger.Out = buf
|
|
|
|
// determine name of *this* function
|
|
pc := make([]uintptr, 1)
|
|
goruntime.Callers(1, pc)
|
|
fn := goruntime.FuncForPC(pc[0])
|
|
name := fn.Name()
|
|
|
|
Backtrace()
|
|
|
|
b := buf.String()
|
|
|
|
// very basic tests to check if a backtrace was produced
|
|
assert.True(strings.Contains(b, "contention:"))
|
|
assert.True(strings.Contains(b, `level=error`))
|
|
assert.True(strings.Contains(b, name))
|
|
}
|