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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Process\Tests;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Process\Exception\LogicException;
use Symfony\Component\Process\Exception\ProcessTimedOutException;
use Symfony\Component\Process\Exception\RuntimeException;
use Symfony\Component\Process\InputStream;
use Symfony\Component\Process\PhpExecutableFinder;
use Symfony\Component\Process\Pipes\PipesInterface;
use Symfony\Component\Process\Process;
/**
* @author Robert Schönthal <seroscho@googlemail.com>
*/
class ProcessTest extends TestCase
{
private static $phpBin;
private static $process;
private static $sigchild;
public static function setUpBeforeClass()
{
$phpBin = new PhpExecutableFinder();
self::$phpBin = getenv('SYMFONY_PROCESS_PHP_TEST_BINARY') ?: ('phpdbg' === \PHP_SAPI ? 'php' : $phpBin->find());
ob_start();
phpinfo(INFO_GENERAL);
self::$sigchild = false !== strpos(ob_get_clean(), '--enable-sigchild');
}
protected function tearDown()
{
if (self::$process) {
self::$process->stop(0);
self::$process = null;
}
}
/**
* @expectedException \Symfony\Component\Process\Exception\RuntimeException
* @expectedExceptionMessage The provided cwd does not exist.
*/
public function testInvalidCwd()
{
try {
// Check that it works fine if the CWD exists
$cmd = new Process('echo test', __DIR__);
$cmd->run();
} catch (\Exception $e) {
$this->fail($e);
}
$cmd = new Process('echo test', __DIR__.'/notfound/');
$cmd->run();
}
public function testThatProcessDoesNotThrowWarningDuringRun()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('This test is transient on Windows');
}
@trigger_error('Test Error', E_USER_NOTICE);
$process = $this->getProcessForCode('sleep(3)');
$process->run();
$actualError = error_get_last();
$this->assertEquals('Test Error', $actualError['message']);
$this->assertEquals(E_USER_NOTICE, $actualError['type']);
}
/**
* @expectedException \Symfony\Component\Process\Exception\InvalidArgumentException
*/
public function testNegativeTimeoutFromConstructor()
{
$this->getProcess('', null, null, null, -1);
}
/**
* @expectedException \Symfony\Component\Process\Exception\InvalidArgumentException
*/
public function testNegativeTimeoutFromSetter()
{
$p = $this->getProcess('');
$p->setTimeout(-1);
}
public function testFloatAndNullTimeout()
{
$p = $this->getProcess('');
$p->setTimeout(10);
$this->assertSame(10.0, $p->getTimeout());
$p->setTimeout(null);
$this->assertNull($p->getTimeout());
$p->setTimeout(0.0);
$this->assertNull($p->getTimeout());
}
/**
* @requires extension pcntl
*/
public function testStopWithTimeoutIsActuallyWorking()
{
$p = $this->getProcess(array(self::$phpBin, __DIR__.'/NonStopableProcess.php', 30));
$p->start();
while ($p->isRunning() && false === strpos($p->getOutput(), 'received')) {
usleep(1000);
}
if (!$p->isRunning()) {
throw new \LogicException('Process is not running: '.$p->getErrorOutput());
}
$start = microtime(true);
$p->stop(0.1);
$p->wait();
$this->assertLessThan(15, microtime(true) - $start);
}
public function testAllOutputIsActuallyReadOnTermination()
{
// this code will result in a maximum of 2 reads of 8192 bytes by calling
// start() and isRunning(). by the time getOutput() is called the process
// has terminated so the internal pipes array is already empty. normally
// the call to start() will not read any data as the process will not have
// generated output, but this is non-deterministic so we must count it as
// a possibility. therefore we need 2 * PipesInterface::CHUNK_SIZE plus
// another byte which will never be read.
$expectedOutputSize = PipesInterface::CHUNK_SIZE * 2 + 2;
$code = sprintf('echo str_repeat(\'*\', %d);', $expectedOutputSize);
$p = $this->getProcessForCode($code);
$p->start();
// Don't call Process::run nor Process::wait to avoid any read of pipes
$h = new \ReflectionProperty($p, 'process');
$h->setAccessible(true);
$h = $h->getValue($p);
$s = @proc_get_status($h);
while (!empty($s['running'])) {
usleep(1000);
$s = proc_get_status($h);
}
$o = $p->getOutput();
$this->assertEquals($expectedOutputSize, \strlen($o));
}
public function testCallbacksAreExecutedWithStart()
{
$process = $this->getProcess('echo foo');
$process->start(function ($type, $buffer) use (&$data) {
$data .= $buffer;
});
$process->wait();
$this->assertSame('foo'.PHP_EOL, $data);
}
/**
* tests results from sub processes.
*
* @dataProvider responsesCodeProvider
*/
public function testProcessResponses($expected, $getter, $code)
{
$p = $this->getProcessForCode($code);
$p->run();
$this->assertSame($expected, $p->$getter());
}
/**
* tests results from sub processes.
*
* @dataProvider pipesCodeProvider
*/
public function testProcessPipes($code, $size)
{
$expected = str_repeat(str_repeat('*', 1024), $size).'!';
$expectedLength = (1024 * $size) + 1;
$p = $this->getProcessForCode($code);
$p->setInput($expected);
$p->run();
$this->assertEquals($expectedLength, \strlen($p->getOutput()));
$this->assertEquals($expectedLength, \strlen($p->getErrorOutput()));
}
/**
* @dataProvider pipesCodeProvider
*/
public function testSetStreamAsInput($code, $size)
{
$expected = str_repeat(str_repeat('*', 1024), $size).'!';
$expectedLength = (1024 * $size) + 1;
$stream = fopen('php://temporary', 'w+');
fwrite($stream, $expected);
rewind($stream);
$p = $this->getProcessForCode($code);
$p->setInput($stream);
$p->run();
fclose($stream);
$this->assertEquals($expectedLength, \strlen($p->getOutput()));
$this->assertEquals($expectedLength, \strlen($p->getErrorOutput()));
}
public function testLiveStreamAsInput()
{
$stream = fopen('php://memory', 'r+');
fwrite($stream, 'hello');
rewind($stream);
$p = $this->getProcessForCode('stream_copy_to_stream(STDIN, STDOUT);');
$p->setInput($stream);
$p->start(function ($type, $data) use ($stream) {
if ('hello' === $data) {
fclose($stream);
}
});
$p->wait();
$this->assertSame('hello', $p->getOutput());
}
/**
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage Input can not be set while the process is running.
*/
public function testSetInputWhileRunningThrowsAnException()
{
$process = $this->getProcessForCode('sleep(30);');
$process->start();
try {
$process->setInput('foobar');
$process->stop();
$this->fail('A LogicException should have been raised.');
} catch (LogicException $e) {
}
$process->stop();
throw $e;
}
/**
* @dataProvider provideInvalidInputValues
* @expectedException \Symfony\Component\Process\Exception\InvalidArgumentException
* @expectedExceptionMessage Symfony\Component\Process\Process::setInput only accepts strings, Traversable objects or stream resources.
*/
public function testInvalidInput($value)
{
$process = $this->getProcess('foo');
$process->setInput($value);
}
public function provideInvalidInputValues()
{
return array(
array(array()),
array(new NonStringifiable()),
);
}
/**
* @dataProvider provideInputValues
*/
public function testValidInput($expected, $value)
{
$process = $this->getProcess('foo');
$process->setInput($value);
$this->assertSame($expected, $process->getInput());
}
public function provideInputValues()
{
return array(
array(null, null),
array('24.5', 24.5),
array('input data', 'input data'),
);
}
public function chainedCommandsOutputProvider()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
return array(
array("2 \r\n2\r\n", '&&', '2'),
);
}
return array(
array("1\n1\n", ';', '1'),
array("2\n2\n", '&&', '2'),
);
}
/**
* @dataProvider chainedCommandsOutputProvider
*/
public function testChainedCommandsOutput($expected, $operator, $input)
{
$process = $this->getProcess(sprintf('echo %s %s echo %s', $input, $operator, $input));
$process->run();
$this->assertEquals($expected, $process->getOutput());
}
public function testCallbackIsExecutedForOutput()
{
$p = $this->getProcessForCode('echo \'foo\';');
$called = false;
$p->run(function ($type, $buffer) use (&$called) {
$called = 'foo' === $buffer;
});
$this->assertTrue($called, 'The callback should be executed with the output');
}
public function testCallbackIsExecutedForOutputWheneverOutputIsDisabled()
{
$p = $this->getProcessForCode('echo \'foo\';');
$p->disableOutput();
$called = false;
$p->run(function ($type, $buffer) use (&$called) {
$called = 'foo' === $buffer;
});
$this->assertTrue($called, 'The callback should be executed with the output');
}
public function testGetErrorOutput()
{
$p = $this->getProcessForCode('$n = 0; while ($n < 3) { file_put_contents(\'php://stderr\', \'ERROR\'); $n++; }');
$p->run();
$this->assertEquals(3, preg_match_all('/ERROR/', $p->getErrorOutput(), $matches));
}
public function testFlushErrorOutput()
{
$p = $this->getProcessForCode('$n = 0; while ($n < 3) { file_put_contents(\'php://stderr\', \'ERROR\'); $n++; }');
$p->run();
$p->clearErrorOutput();
$this->assertEmpty($p->getErrorOutput());
}
/**
* @dataProvider provideIncrementalOutput
*/
public function testIncrementalOutput($getOutput, $getIncrementalOutput, $uri)
{
$lock = tempnam(sys_get_temp_dir(), __FUNCTION__);
$p = $this->getProcessForCode('file_put_contents($s = \''.$uri.'\', \'foo\'); flock(fopen('.var_export($lock, true).', \'r\'), LOCK_EX); file_put_contents($s, \'bar\');');
$h = fopen($lock, 'w');
flock($h, LOCK_EX);
$p->start();
foreach (array('foo', 'bar') as $s) {
while (false === strpos($p->$getOutput(), $s)) {
usleep(1000);
}
$this->assertSame($s, $p->$getIncrementalOutput());
$this->assertSame('', $p->$getIncrementalOutput());
flock($h, LOCK_UN);
}
fclose($h);
}
public function provideIncrementalOutput()
{
return array(
array('getOutput', 'getIncrementalOutput', 'php://stdout'),
array('getErrorOutput', 'getIncrementalErrorOutput', 'php://stderr'),
);
}
public function testGetOutput()
{
$p = $this->getProcessForCode('$n = 0; while ($n < 3) { echo \' foo \'; $n++; }');
$p->run();
$this->assertEquals(3, preg_match_all('/foo/', $p->getOutput(), $matches));
}
public function testFlushOutput()
{
$p = $this->getProcessForCode('$n=0;while ($n<3) {echo \' foo \';$n++;}');
$p->run();
$p->clearOutput();
$this->assertEmpty($p->getOutput());
}
public function testZeroAsOutput()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
// see http://stackoverflow.com/questions/7105433/windows-batch-echo-without-new-line
$p = $this->getProcess('echo | set /p dummyName=0');
} else {
$p = $this->getProcess('printf 0');
}
$p->run();
$this->assertSame('0', $p->getOutput());
}
public function testExitCodeCommandFailed()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does not support POSIX exit code');
}
// such command run in bash return an exitcode 127
$process = $this->getProcess('nonexistingcommandIhopeneversomeonewouldnameacommandlikethis');
$process->run();
$this->assertGreaterThan(0, $process->getExitCode());
}
public function testTTYCommand()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does not have /dev/tty support');
}
$process = $this->getProcess('echo "foo" >> /dev/null && '.$this->getProcessForCode('usleep(100000);')->getCommandLine());
$process->setTty(true);
$process->start();
$this->assertTrue($process->isRunning());
$process->wait();
$this->assertSame(Process::STATUS_TERMINATED, $process->getStatus());
}
public function testTTYCommandExitCode()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does have /dev/tty support');
}
$process = $this->getProcess('echo "foo" >> /dev/null');
$process->setTty(true);
$process->run();
$this->assertTrue($process->isSuccessful());
}
/**
* @expectedException \Symfony\Component\Process\Exception\RuntimeException
* @expectedExceptionMessage TTY mode is not supported on Windows platform.
*/
public function testTTYInWindowsEnvironment()
{
if ('\\' !== \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('This test is for Windows platform only');
}
$process = $this->getProcess('echo "foo" >> /dev/null');
$process->setTty(false);
$process->setTty(true);
}
public function testExitCodeTextIsNullWhenExitCodeIsNull()
{
$process = $this->getProcess('');
$this->assertNull($process->getExitCodeText());
}
public function testPTYCommand()
{
if (!Process::isPtySupported()) {
$this->markTestSkipped('PTY is not supported on this operating system.');
}
$process = $this->getProcess('echo "foo"');
$process->setPty(true);
$process->run();
$this->assertSame(Process::STATUS_TERMINATED, $process->getStatus());
$this->assertEquals("foo\r\n", $process->getOutput());
}
public function testMustRun()
{
$process = $this->getProcess('echo foo');
$this->assertSame($process, $process->mustRun());
$this->assertEquals('foo'.PHP_EOL, $process->getOutput());
}
public function testSuccessfulMustRunHasCorrectExitCode()
{
$process = $this->getProcess('echo foo')->mustRun();
$this->assertEquals(0, $process->getExitCode());
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessFailedException
*/
public function testMustRunThrowsException()
{
$process = $this->getProcess('exit 1');
$process->mustRun();
}
public function testExitCodeText()
{
$process = $this->getProcess('');
$r = new \ReflectionObject($process);
$p = $r->getProperty('exitcode');
$p->setAccessible(true);
$p->setValue($process, 2);
$this->assertEquals('Misuse of shell builtins', $process->getExitCodeText());
}
public function testStartIsNonBlocking()
{
$process = $this->getProcessForCode('usleep(500000);');
$start = microtime(true);
$process->start();
$end = microtime(true);
$this->assertLessThan(0.4, $end - $start);
$process->stop();
}
public function testUpdateStatus()
{
$process = $this->getProcess('echo foo');
$process->run();
$this->assertGreaterThan(0, \strlen($process->getOutput()));
}
public function testGetExitCodeIsNullOnStart()
{
$process = $this->getProcessForCode('usleep(100000);');
$this->assertNull($process->getExitCode());
$process->start();
$this->assertNull($process->getExitCode());
$process->wait();
$this->assertEquals(0, $process->getExitCode());
}
public function testGetExitCodeIsNullOnWhenStartingAgain()
{
$process = $this->getProcessForCode('usleep(100000);');
$process->run();
$this->assertEquals(0, $process->getExitCode());
$process->start();
$this->assertNull($process->getExitCode());
$process->wait();
$this->assertEquals(0, $process->getExitCode());
}
public function testGetExitCode()
{
$process = $this->getProcess('echo foo');
$process->run();
$this->assertSame(0, $process->getExitCode());
}
public function testStatus()
{
$process = $this->getProcessForCode('usleep(100000);');
$this->assertFalse($process->isRunning());
$this->assertFalse($process->isStarted());
$this->assertFalse($process->isTerminated());
$this->assertSame(Process::STATUS_READY, $process->getStatus());
$process->start();
$this->assertTrue($process->isRunning());
$this->assertTrue($process->isStarted());
$this->assertFalse($process->isTerminated());
$this->assertSame(Process::STATUS_STARTED, $process->getStatus());
$process->wait();
$this->assertFalse($process->isRunning());
$this->assertTrue($process->isStarted());
$this->assertTrue($process->isTerminated());
$this->assertSame(Process::STATUS_TERMINATED, $process->getStatus());
}
public function testStop()
{
$process = $this->getProcessForCode('sleep(31);');
$process->start();
$this->assertTrue($process->isRunning());
$process->stop();
$this->assertFalse($process->isRunning());
}
public function testIsSuccessful()
{
$process = $this->getProcess('echo foo');
$process->run();
$this->assertTrue($process->isSuccessful());
}
public function testIsSuccessfulOnlyAfterTerminated()
{
$process = $this->getProcessForCode('usleep(100000);');
$process->start();
$this->assertFalse($process->isSuccessful());
$process->wait();
$this->assertTrue($process->isSuccessful());
}
public function testIsNotSuccessful()
{
$process = $this->getProcessForCode('throw new \Exception(\'BOUM\');');
$process->run();
$this->assertFalse($process->isSuccessful());
}
public function testProcessIsNotSignaled()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does not support POSIX signals');
}
$process = $this->getProcess('echo foo');
$process->run();
$this->assertFalse($process->hasBeenSignaled());
}
public function testProcessWithoutTermSignal()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does not support POSIX signals');
}
$process = $this->getProcess('echo foo');
$process->run();
$this->assertEquals(0, $process->getTermSignal());
}
public function testProcessIsSignaledIfStopped()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('Windows does not support POSIX signals');
}
$process = $this->getProcessForCode('sleep(32);');
$process->start();
$process->stop();
$this->assertTrue($process->hasBeenSignaled());
$this->assertEquals(15, $process->getTermSignal()); // SIGTERM
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessSignaledException
* @expectedExceptionMessage The process has been signaled with signal "9".
*/
public function testProcessThrowsExceptionWhenExternallySignaled()
{
if (!\function_exists('posix_kill')) {
$this->markTestSkipped('Function posix_kill is required.');
}
if (self::$sigchild) {
$this->markTestSkipped('PHP is compiled with --enable-sigchild.');
}
$process = $this->getProcessForCode('sleep(32.1);');
$process->start();
posix_kill($process->getPid(), 9); // SIGKILL
$process->wait();
}
public function testRestart()
{
$process1 = $this->getProcessForCode('echo getmypid();');
$process1->run();
$process2 = $process1->restart();
$process2->wait(); // wait for output
// Ensure that both processed finished and the output is numeric
$this->assertFalse($process1->isRunning());
$this->assertFalse($process2->isRunning());
$this->assertInternalType('numeric', $process1->getOutput());
$this->assertInternalType('numeric', $process2->getOutput());
// Ensure that restart returned a new process by check that the output is different
$this->assertNotEquals($process1->getOutput(), $process2->getOutput());
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessTimedOutException
* @expectedExceptionMessage exceeded the timeout of 0.1 seconds.
*/
public function testRunProcessWithTimeout()
{
$process = $this->getProcessForCode('sleep(30);');
$process->setTimeout(0.1);
$start = microtime(true);
try {
$process->run();
$this->fail('A RuntimeException should have been raised');
} catch (RuntimeException $e) {
}
$this->assertLessThan(15, microtime(true) - $start);
throw $e;
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessTimedOutException
* @expectedExceptionMessage exceeded the timeout of 0.1 seconds.
*/
public function testIterateOverProcessWithTimeout()
{
$process = $this->getProcessForCode('sleep(30);');
$process->setTimeout(0.1);
$start = microtime(true);
try {
$process->start();
foreach ($process as $buffer);
$this->fail('A RuntimeException should have been raised');
} catch (RuntimeException $e) {
}
$this->assertLessThan(15, microtime(true) - $start);
throw $e;
}
public function testCheckTimeoutOnNonStartedProcess()
{
$process = $this->getProcess('echo foo');
$this->assertNull($process->checkTimeout());
}
public function testCheckTimeoutOnTerminatedProcess()
{
$process = $this->getProcess('echo foo');
$process->run();
$this->assertNull($process->checkTimeout());
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessTimedOutException
* @expectedExceptionMessage exceeded the timeout of 0.1 seconds.
*/
public function testCheckTimeoutOnStartedProcess()
{
$process = $this->getProcessForCode('sleep(33);');
$process->setTimeout(0.1);
$process->start();
$start = microtime(true);
try {
while ($process->isRunning()) {
$process->checkTimeout();
usleep(100000);
}
$this->fail('A ProcessTimedOutException should have been raised');
} catch (ProcessTimedOutException $e) {
}
$this->assertLessThan(15, microtime(true) - $start);
throw $e;
}
public function testIdleTimeout()
{
$process = $this->getProcessForCode('sleep(34);');
$process->setTimeout(60);
$process->setIdleTimeout(0.1);
try {
$process->run();
$this->fail('A timeout exception was expected.');
} catch (ProcessTimedOutException $e) {
$this->assertTrue($e->isIdleTimeout());
$this->assertFalse($e->isGeneralTimeout());
$this->assertEquals(0.1, $e->getExceededTimeout());
}
}
public function testIdleTimeoutNotExceededWhenOutputIsSent()
{
$process = $this->getProcessForCode('while (true) {echo \'foo \'; usleep(1000);}');
$process->setTimeout(1);
$process->start();
while (false === strpos($process->getOutput(), 'foo')) {
usleep(1000);
}
$process->setIdleTimeout(0.5);
try {
$process->wait();
$this->fail('A timeout exception was expected.');
} catch (ProcessTimedOutException $e) {
$this->assertTrue($e->isGeneralTimeout(), 'A general timeout is expected.');
$this->assertFalse($e->isIdleTimeout(), 'No idle timeout is expected.');
$this->assertEquals(1, $e->getExceededTimeout());
}
}
/**
* @expectedException \Symfony\Component\Process\Exception\ProcessTimedOutException
* @expectedExceptionMessage exceeded the timeout of 0.1 seconds.
*/
public function testStartAfterATimeout()
{
$process = $this->getProcessForCode('sleep(35);');
$process->setTimeout(0.1);
try {
$process->run();
$this->fail('A ProcessTimedOutException should have been raised.');
} catch (ProcessTimedOutException $e) {
}
$this->assertFalse($process->isRunning());
$process->start();
$this->assertTrue($process->isRunning());
$process->stop(0);
throw $e;
}
public function testGetPid()
{
$process = $this->getProcessForCode('sleep(36);');
$process->start();
$this->assertGreaterThan(0, $process->getPid());
$process->stop(0);
}
public function testGetPidIsNullBeforeStart()
{
$process = $this->getProcess('foo');
$this->assertNull($process->getPid());
}
public function testGetPidIsNullAfterRun()
{
$process = $this->getProcess('echo foo');
$process->run();
$this->assertNull($process->getPid());
}
/**
* @requires extension pcntl
*/
public function testSignal()
{
$process = $this->getProcess(array(self::$phpBin, __DIR__.'/SignalListener.php'));
$process->start();
while (false === strpos($process->getOutput(), 'Caught')) {
usleep(1000);
}
$process->signal(SIGUSR1);
$process->wait();
$this->assertEquals('Caught SIGUSR1', $process->getOutput());
}
/**
* @requires extension pcntl
*/
public function testExitCodeIsAvailableAfterSignal()
{
$process = $this->getProcess('sleep 4');
$process->start();
$process->signal(SIGKILL);
while ($process->isRunning()) {
usleep(10000);
}
$this->assertFalse($process->isRunning());
$this->assertTrue($process->hasBeenSignaled());
$this->assertFalse($process->isSuccessful());
$this->assertEquals(137, $process->getExitCode());
}
/**
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage Can not send signal on a non running process.
*/
public function testSignalProcessNotRunning()
{
$process = $this->getProcess('foo');
$process->signal(1); // SIGHUP
}
/**
* @dataProvider provideMethodsThatNeedARunningProcess
*/
public function testMethodsThatNeedARunningProcess($method)
{
$process = $this->getProcess('foo');
if (method_exists($this, 'expectException')) {
$this->expectException('Symfony\Component\Process\Exception\LogicException');
$this->expectExceptionMessage(sprintf('Process must be started before calling %s.', $method));
} else {
$this->setExpectedException('Symfony\Component\Process\Exception\LogicException', sprintf('Process must be started before calling %s.', $method));
}
$process->{$method}();
}
public function provideMethodsThatNeedARunningProcess()
{
return array(
array('getOutput'),
array('getIncrementalOutput'),
array('getErrorOutput'),
array('getIncrementalErrorOutput'),
array('wait'),
);
}
/**
* @dataProvider provideMethodsThatNeedATerminatedProcess
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage Process must be terminated before calling
*/
public function testMethodsThatNeedATerminatedProcess($method)
{
$process = $this->getProcessForCode('sleep(37);');
$process->start();
try {
$process->{$method}();
$process->stop(0);
$this->fail('A LogicException must have been thrown');
} catch (\Exception $e) {
}
$process->stop(0);
throw $e;
}
public function provideMethodsThatNeedATerminatedProcess()
{
return array(
array('hasBeenSignaled'),
array('getTermSignal'),
array('hasBeenStopped'),
array('getStopSignal'),
);
}
/**
* @expectedException \Symfony\Component\Process\Exception\RuntimeException
*/
public function testWrongSignal()
{
if ('\\' === \DIRECTORY_SEPARATOR) {
$this->markTestSkipped('POSIX signals do not work on Windows');
}
$process = $this->getProcessForCode('sleep(38);');
$process->start();
try {
$process->signal(-4);
$this->fail('A RuntimeException must have been thrown');
} catch (RuntimeException $e) {
$process->stop(0);
}
throw $e;
}
public function testDisableOutputDisablesTheOutput()
{
$p = $this->getProcess('foo');
$this->assertFalse($p->isOutputDisabled());
$p->disableOutput();
$this->assertTrue($p->isOutputDisabled());
$p->enableOutput();
$this->assertFalse($p->isOutputDisabled());
}
/**
* @expectedException \Symfony\Component\Process\Exception\RuntimeException
* @expectedExceptionMessage Disabling output while the process is running is not possible.
*/
public function testDisableOutputWhileRunningThrowsException()
{
$p = $this->getProcessForCode('sleep(39);');
$p->start();
$p->disableOutput();
}
/**
* @expectedException \Symfony\Component\Process\Exception\RuntimeException
* @expectedExceptionMessage Enabling output while the process is running is not possible.
*/
public function testEnableOutputWhileRunningThrowsException()
{
$p = $this->getProcessForCode('sleep(40);');
$p->disableOutput();
$p->start();
$p->enableOutput();
}
public function testEnableOrDisableOutputAfterRunDoesNotThrowException()
{
$p = $this->getProcess('echo foo');
$p->disableOutput();
$p->run();
$p->enableOutput();
$p->disableOutput();
$this->assertTrue($p->isOutputDisabled());
}
/**
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage Output can not be disabled while an idle timeout is set.
*/
public function testDisableOutputWhileIdleTimeoutIsSet()
{
$process = $this->getProcess('foo');
$process->setIdleTimeout(1);
$process->disableOutput();
}
/**
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage timeout can not be set while the output is disabled.
*/
public function testSetIdleTimeoutWhileOutputIsDisabled()
{
$process = $this->getProcess('foo');
$process->disableOutput();
$process->setIdleTimeout(1);
}
public function testSetNullIdleTimeoutWhileOutputIsDisabled()
{
$process = $this->getProcess('foo');
$process->disableOutput();
$this->assertSame($process, $process->setIdleTimeout(null));
}
/**
* @dataProvider provideOutputFetchingMethods
* @expectedException \Symfony\Component\Process\Exception\LogicException
* @expectedExceptionMessage Output has been disabled.
*/
public function testGetOutputWhileDisabled($fetchMethod)
{
$p = $this->getProcessForCode('sleep(41);');
$p->disableOutput();
$p->start();
$p->{$fetchMethod}();
}
public function provideOutputFetchingMethods()
{
return array(
array('getOutput'),
array('getIncrementalOutput'),
array('getErrorOutput'),
array('getIncrementalErrorOutput'),
);
}
public function testStopTerminatesProcessCleanly()
{
$process = $this->getProcessForCode('echo 123; sleep(42);');
$process->run(function () use ($process) {
$process->stop();
});
$this->assertTrue(true, 'A call to stop() is not expected to cause wait() to throw a RuntimeException');
}
public function testKillSignalTerminatesProcessCleanly()
{
$process = $this->getProcessForCode('echo 123; sleep(43);');
$process->run(function () use ($process) {
$process->signal(9); // SIGKILL
});
$this->assertTrue(true, 'A call to signal() is not expected to cause wait() to throw a RuntimeException');
}
public function testTermSignalTerminatesProcessCleanly()
{
$process = $this->getProcessForCode('echo 123; sleep(44);');
$process->run(function () use ($process) {
$process->signal(15); // SIGTERM
});
$this->assertTrue(true, 'A call to signal() is not expected to cause wait() to throw a RuntimeException');
}
public function responsesCodeProvider()
{
return array(
//expected output / getter / code to execute
//array(1,'getExitCode','exit(1);'),
//array(true,'isSuccessful','exit();'),
array('output', 'getOutput', 'echo \'output\';'),
);
}
public function pipesCodeProvider()
{
$variations = array(
'fwrite(STDOUT, $in = file_get_contents(\'php://stdin\')); fwrite(STDERR, $in);',
'include \''.__DIR__.'/PipeStdinInStdoutStdErrStreamSelect.php\';',
);
if ('\\' === \DIRECTORY_SEPARATOR) {
// Avoid XL buffers on Windows because of https://bugs.php.net/bug.php?id=65650
$sizes = array(1, 2, 4, 8);
} else {
$sizes = array(1, 16, 64, 1024, 4096);
}
$codes = array();
foreach ($sizes as $size) {
foreach ($variations as $code) {
$codes[] = array($code, $size);
}
}
return $codes;
}
/**
* @dataProvider provideVariousIncrementals
*/
public function testIncrementalOutputDoesNotRequireAnotherCall($stream, $method)
{
$process = $this->getProcessForCode('$n = 0; while ($n < 3) { file_put_contents(\''.$stream.'\', $n, 1); $n++; usleep(1000); }', null, null, null, null);
$process->start();
$result = '';
$limit = microtime(true) + 3;
$expected = '012';
while ($result !== $expected && microtime(true) < $limit) {
$result .= $process->$method();
}
$this->assertSame($expected, $result);
$process->stop();
}
public function provideVariousIncrementals()
{
return array(
array('php://stdout', 'getIncrementalOutput'),
array('php://stderr', 'getIncrementalErrorOutput'),
);
}
public function testIteratorInput()
{
$input = function () {
yield 'ping';
yield 'pong';
};
$process = $this->getProcessForCode('stream_copy_to_stream(STDIN, STDOUT);', null, null, $input());
$process->run();
$this->assertSame('pingpong', $process->getOutput());
}
public function testSimpleInputStream()
{
$input = new InputStream();
$process = $this->getProcessForCode('echo \'ping\'; echo fread(STDIN, 4); echo fread(STDIN, 4);');
$process->setInput($input);
$process->start(function ($type, $data) use ($input) {
if ('ping' === $data) {
$input->write('pang');
} elseif (!$input->isClosed()) {
$input->write('pong');
$input->close();
}
});
$process->wait();
$this->assertSame('pingpangpong', $process->getOutput());
}
public function testInputStreamWithCallable()
{
$i = 0;
$stream = fopen('php://memory', 'w+');
$stream = function () use ($stream, &$i) {
if ($i < 3) {
rewind($stream);
fwrite($stream, ++$i);
rewind($stream);
return $stream;
}
};
$input = new InputStream();
$input->onEmpty($stream);
$input->write($stream());
$process = $this->getProcessForCode('echo fread(STDIN, 3);');
$process->setInput($input);
$process->start(function ($type, $data) use ($input) {
$input->close();
});
$process->wait();
$this->assertSame('123', $process->getOutput());
}
public function testInputStreamWithGenerator()
{
$input = new InputStream();
$input->onEmpty(function ($input) {
yield 'pong';
$input->close();
});
$process = $this->getProcessForCode('stream_copy_to_stream(STDIN, STDOUT);');
$process->setInput($input);
$process->start();
$input->write('ping');
$process->wait();
$this->assertSame('pingpong', $process->getOutput());
}
public function testInputStreamOnEmpty()
{
$i = 0;
$input = new InputStream();
$input->onEmpty(function () use (&$i) { ++$i; });
$process = $this->getProcessForCode('echo 123; echo fread(STDIN, 1); echo 456;');
$process->setInput($input);
$process->start(function ($type, $data) use ($input) {
if ('123' === $data) {
$input->close();
}
});
$process->wait();
$this->assertSame(0, $i, 'InputStream->onEmpty callback should be called only when the input *becomes* empty');
$this->assertSame('123456', $process->getOutput());
}
public function testIteratorOutput()
{
$input = new InputStream();
$process = $this->getProcessForCode('fwrite(STDOUT, 123); fwrite(STDERR, 234); flush(); usleep(10000); fwrite(STDOUT, fread(STDIN, 3)); fwrite(STDERR, 456);');
$process->setInput($input);
$process->start();
$output = array();
foreach ($process as $type => $data) {
$output[] = array($type, $data);
break;
}
$expectedOutput = array(
array($process::OUT, '123'),
);
$this->assertSame($expectedOutput, $output);
$input->write(345);
foreach ($process as $type => $data) {
$output[] = array($type, $data);
}
$this->assertSame('', $process->getOutput());
$this->assertFalse($process->isRunning());
$expectedOutput = array(
array($process::OUT, '123'),
array($process::ERR, '234'),
array($process::OUT, '345'),
array($process::ERR, '456'),
);
$this->assertSame($expectedOutput, $output);
}
public function testNonBlockingNorClearingIteratorOutput()
{
$input = new InputStream();
$process = $this->getProcessForCode('fwrite(STDOUT, fread(STDIN, 3));');
$process->setInput($input);
$process->start();
$output = array();
foreach ($process->getIterator($process::ITER_NON_BLOCKING | $process::ITER_KEEP_OUTPUT) as $type => $data) {
$output[] = array($type, $data);
break;
}
$expectedOutput = array(
array($process::OUT, ''),
);
$this->assertSame($expectedOutput, $output);
$input->write(123);
foreach ($process->getIterator($process::ITER_NON_BLOCKING | $process::ITER_KEEP_OUTPUT) as $type => $data) {
if ('' !== $data) {
$output[] = array($type, $data);
}
}
$this->assertSame('123', $process->getOutput());
$this->assertFalse($process->isRunning());
$expectedOutput = array(
array($process::OUT, ''),
array($process::OUT, '123'),
);
$this->assertSame($expectedOutput, $output);
}
public function testChainedProcesses()
{
$p1 = $this->getProcessForCode('fwrite(STDERR, 123); fwrite(STDOUT, 456);');
$p2 = $this->getProcessForCode('stream_copy_to_stream(STDIN, STDOUT);');
$p2->setInput($p1);
$p1->start();
$p2->run();
$this->assertSame('123', $p1->getErrorOutput());
$this->assertSame('', $p1->getOutput());
$this->assertSame('', $p2->getErrorOutput());
$this->assertSame('456', $p2->getOutput());
}
public function testSetBadEnv()
{
$process = $this->getProcess('echo hello');
$process->setEnv(array('bad%%' => '123'));
$process->inheritEnvironmentVariables(true);
$process->run();
$this->assertSame('hello'.PHP_EOL, $process->getOutput());
$this->assertSame('', $process->getErrorOutput());
}
public function testEnvBackupDoesNotDeleteExistingVars()
{
putenv('existing_var=foo');
$_ENV['existing_var'] = 'foo';
$process = $this->getProcess('php -r "echo getenv(\'new_test_var\');"');
$process->setEnv(array('existing_var' => 'bar', 'new_test_var' => 'foo'));
$process->inheritEnvironmentVariables();
$process->run();
$this->assertSame('foo', $process->getOutput());
$this->assertSame('foo', getenv('existing_var'));
$this->assertFalse(getenv('new_test_var'));
putenv('existing_var');
unset($_ENV['existing_var']);
}
public function testEnvIsInherited()
{
$process = $this->getProcessForCode('echo serialize($_SERVER);', null, array('BAR' => 'BAZ', 'EMPTY' => ''));
putenv('FOO=BAR');
$_ENV['FOO'] = 'BAR';
$process->run();
$expected = array('BAR' => 'BAZ', 'EMPTY' => '', 'FOO' => 'BAR');
$env = array_intersect_key(unserialize($process->getOutput()), $expected);
$this->assertEquals($expected, $env);
putenv('FOO');
unset($_ENV['FOO']);
}
public function testGetCommandLine()
{
$p = new Process(array('/usr/bin/php'));
$expected = '\\' === \DIRECTORY_SEPARATOR ? '"/usr/bin/php"' : "'/usr/bin/php'";
$this->assertSame($expected, $p->getCommandLine());
}
/**
* @dataProvider provideEscapeArgument
*/
public function testEscapeArgument($arg)
{
$p = new Process(array(self::$phpBin, '-r', 'echo $argv[1];', $arg));
$p->run();
$this->assertSame($arg, $p->getOutput());
}
public function testRawCommandLine()
{
$p = new Process(sprintf('"%s" -r %s "a" "" "b"', self::$phpBin, escapeshellarg('print_r($argv);')));
$p->run();
$expected = <<<EOTXT
Array
(
[0] => -
[1] => a
[2] =>
[3] => b
)
EOTXT;
$this->assertSame($expected, str_replace('Standard input code', '-', $p->getOutput()));
}
public function provideEscapeArgument()
{
yield array('a"b%c%');
yield array('a"b^c^');
yield array("a\nb'c");
yield array('a^b c!');
yield array("a!b\tc");
yield array('a\\\\"\\"');
yield array('éÉèÈà Àöä');
}
public function testEnvArgument()
{
$env = array('FOO' => 'Foo', 'BAR' => 'Bar');
$cmd = '\\' === \DIRECTORY_SEPARATOR ? 'echo !FOO! !BAR! !BAZ!' : 'echo $FOO $BAR $BAZ';
$p = new Process($cmd, null, $env);
$p->run(null, array('BAR' => 'baR', 'BAZ' => 'baZ'));
$this->assertSame('Foo baR baZ', rtrim($p->getOutput()));
$this->assertSame($env, $p->getEnv());
}
/**
* @param string $commandline
* @param null|string $cwd
* @param null|array $env
* @param null|string $input
* @param int $timeout
* @param array $options
*
* @return Process
*/
private function getProcess($commandline, $cwd = null, array $env = null, $input = null, $timeout = 60)
{
$process = new Process($commandline, $cwd, $env, $input, $timeout);
$process->inheritEnvironmentVariables();
if (self::$process) {
self::$process->stop(0);
}
return self::$process = $process;
}
/**
* @return Process
*/
private function getProcessForCode($code, $cwd = null, array $env = null, $input = null, $timeout = 60)
{
return $this->getProcess(array(self::$phpBin, '-r', $code), $cwd, $env, $input, $timeout);
}
}
class NonStringifiable
{
}