function DirectoryTest::testMultiplePrepareDirectory
Same name in other branches
- 9 core/tests/Drupal/KernelTests/Core/File/DirectoryTest.php \Drupal\KernelTests\Core\File\DirectoryTest::testMultiplePrepareDirectory()
- 10 core/tests/Drupal/KernelTests/Core/File/DirectoryTest.php \Drupal\KernelTests\Core\File\DirectoryTest::testMultiplePrepareDirectory()
Tests asynchronous directory creation.
Image style generation can result in many calls to create similar directory paths. This test forks the process to create the same situation.
File
-
core/
tests/ Drupal/ KernelTests/ Core/ File/ DirectoryTest.php, line 209
Class
- DirectoryTest
- Tests operations dealing with directories.
Namespace
Drupal\KernelTests\Core\FileCode
public function testMultiplePrepareDirectory() : void {
if (!function_exists('pcntl_fork')) {
$this->markTestSkipped('Requires the pcntl_fork() function');
}
$directories = [];
for ($i = 1; $i <= 10; $i++) {
$directories[] = 'public://a/b/c/d/e/f/g/h/' . $i;
}
$file_system = $this->container
->get('file_system');
$time_to_start = microtime(TRUE) + 0.1;
// This loop creates a new fork to create each directory.
foreach ($directories as $directory) {
$pid = pcntl_fork();
if ($pid == -1) {
$this->fail("Error forking");
}
elseif ($pid == 0) {
// Sleep so that all the forks start preparing the directory at the same
// time.
usleep((int) (($time_to_start - microtime(TRUE)) * 1000000));
$file_system->prepareDirectory($directory, FileSystemInterface::CREATE_DIRECTORY);
exit;
}
}
// This while loop holds the parent process until all the child threads
// are complete - at which point the script continues to execute.
while (pcntl_waitpid(0, $status) != -1) {
}
foreach ($directories as $directory) {
$this->assertDirectoryExists($directory);
}
// Remove the database connection because it will have been destroyed when
// the forks exited. This allows
// \Drupal\KernelTests\KernelTestBase::tearDown() to reopen it.
Database::removeConnection('default');
}
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