public function testTooManyViolentDeath()
{
$numberOfFailures = 12;
$inAmountOfTime = 60;
GracefulDeath::around(function () {
$this->raiseFatalError();
})->liveForever()->avoidFutileMedicalCare($numberOfFailures, $inAmountOfTime)->reanimationPolicy($this->willBeCalled($this->exactly($numberOfFailures - 1)))->afterNaturalDeath($this->willBeCalled($this->never()))->afterViolentDeath($this->willBeCalled($this->once()))->run();
}
public function testChildStandardOutputIsCapturedAfterNaturalDeath()
{
GracefulDeath::around(function () {
file_put_contents('php://stdout', "This is a notice");
$this->doSomethingUnharmful();
})->afterNaturalDeath(function ($status, $stdout) {
$this->assertEquals("This is a notice", $stdout);
})->doNotEchoOutput()->run();
}
/**
* @expectedException InvalidArgumentException
*/
public function testBadLastAct()
{
GracefulDeath::around(function () {
})->afterNaturalDeath(true);
}
<?php
require __DIR__ . "/../../vendor/autoload.php";
$options = getopt('', ['where:']);
ini_set('error_log', $options['where']);
ini_set('log_errors', 1);
GracefulDeath::around(function () {
trigger_error('ERROR');
})->run();
<?php
require __DIR__ . "/../vendor/autoload.php";
// The output will be:
//
// Hey! You know, it's not cool to overflow the stack!
GracefulDeath::around(function () {
// Avoid to crash for memory exhaustion
ini_set('memory_limit', -1);
countToInfinite();
})->afterViolentDeath("Hey! You know, it's not cool to overflow the stack!\n")->run();
function countToInfinite($counter = 0)
{
return countToInfinite($counter + 1);
}
<?php
require __DIR__ . "/../../vendor/autoload.php";
GracefulDeath::around(function ($life) {
while (!$life->askedToStop()) {
usleep(10000);
}
})->doNotCaptureOutput()->catchSignals([SIGTERM, SIGQUIT, SIGINT])->afterNaturalDeath("Bye Bye")->run();
<?php
require __DIR__ . "/../vendor/autoload.php";
// NOTE: To run this you need to have installed violent-death
// see https://github.com/gabrielelana/violent-death
// Sorry but I don't want to have an explicit dependency
// with violent-death (wich is not so easy to install) only
// to run this example
// The output will be:
//
// Segmentation fault in 3... 2... 1...
// You didn't notice but it happend! ;-)
GracefulDeath::around(function () {
echo "Segmentation fault in 3... 2... 1...\n";
die_violently();
})->afterViolentDeath("You didn't notice but it happend! ;-)\n")->run();
<?php
require __DIR__ . "/../../vendor/autoload.php";
$options = getopt('', ['what:']);
GracefulDeath::around(function () use($options) {
file_put_contents('php://stderr', $options['what']);
})->run();
<?php
require __DIR__ . "/../vendor/autoload.php";
// The output will be:
//
// CTRL-C to terminate
// I will live forever!!!
// I will live forever!!!
// I will live forever!!!
// ...
// Maybe not... :-(
echo "CTRL-C to terminate\n";
GracefulDeath::around(function ($life) {
while (!$life->askedToStop()) {
echo "I will live forever!!!\n";
// Let's pretend to do something useful :-)
sleep(1);
}
})->doNotCaptureOutput()->catchSignals([SIGTERM, SIGQUIT, SIGINT])->afterNaturalDeath("Maybe not... :-(\n")->run();
// [17497]: it's using 10.46(mb) of memory
// [17497]: memory limit reached! respawn
// [17554]: it's using 475.17(kb) of memory
// [17554]: it's using 1.46(mb) of memory
// [17554]: it's using 2.46(mb) of memory
// [17554]: it's using 3.46(mb) of memory
// [17554]: it's using 4.46(mb) of memory
// [17554]: it's using 5.47(mb) of memory
// [17554]: it's using 6.47(mb) of memory
// ^C
echo "CTRL-C to terminate\n";
GracefulDeath::around(function ($life) {
while (!$life->askedToStop()) {
$usedMemory = memory_get_usage();
printf("[%d]: it's using %s of memory\n", posix_getpid(), format($usedMemory));
if ($usedMemory > 10485760) {
// 10MB
printf("[%d]: memory limit reached! respawn\n", posix_getpid());
exit(5);
}
// Let's seize a 1MB of memory
$aLotOfMemory[] = str_repeat('*', 1048576);
usleep(1000 * 200);
}
})->doNotCaptureOutput()->catchSignals([SIGTERM, SIGQUIT, SIGINT])->reanimationPolicy(true)->run();
function format($size)
{
$units = array('B', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
$power = $size > 0 ? floor(log($size, 1024)) : 0;
return number_format($size / pow(1024, $power), 2, '.', ',') . '(' . $units[$power] . ')';
}
<?php
require __DIR__ . "/../vendor/autoload.php";
// The output will be:
//
// Yes, I can ;-)
GracefulDeath::around(function () {
try {
// Avoid to print the error in order to have clean output, don't try this at home :-)
error_reporting(E_ALL ^ E_ERROR);
// Creating an instance of an unknown class will cause a fatal error
new UnknownClass();
} catch (Exception $e) {
// A fatal error is uncatchable
echo "You cannot catch this, AHAHAHAHA!!!\n";
}
})->afterViolentDeath("Yes, I can ;-)\n")->run();
/**
* @expectedException InvalidArgumentException
*/
public function testBadReanimationPolicy()
{
GracefulDeath::around(function () {
})->reanimationPolicy('Strings are not convertible to a reanimation policy');
}
<?php
require __DIR__ . "/../vendor/autoload.php";
// The output will be:
//
// I will live forever!!!
// I will live forever!!!
// I will live forever!!!
// ...
// I will live forever!!!
// I will live forever!!!
// Maybe not... :-(
$startedAt = time();
GracefulDeath::around(function () {
echo "I will live forever!!!\n";
// Let's pretend to do something useful :-)
usleep(50000);
// Avoid to print the error in order to have clean output, don't try this at home :-)
error_reporting(E_ALL ^ E_ERROR);
// Creating an instance of an unknown class will cause a fatal error
new UnknownClass();
})->reanimationPolicy(function ($status, $attempts, $output) use($startedAt) {
return time() - $startedAt < 5;
})->afterViolentDeath("Maybe not... :-(\n")->run();
<?php
require __DIR__ . "/../../vendor/autoload.php";
GracefulDeath::around(function () {
echo 'THIS SHOULD NOT BE PRINTED';
})->doNotEchoOutput()->run();
