/**
* Tests running a background process.
*
* @covers Cocur\BackgroundProcess\BackgroundProcess::__construct()
* @covers Cocur\BackgroundProcess\BackgroundProcess::run()
* @covers Cocur\BackgroundProcess\BackgroundProcess::isRunning()
* @covers Cocur\BackgroundProcess\BackgroundProcess::getPid()
* @covers Cocur\BackgroundProcess\BackgroundProcess::stop()
*/
public function testRun()
{
$process = new BackgroundProcess('sleep 5');
$this->assertFalse($process->isRunning(), 'process should not run');
$process->run();
$this->assertNotNull($process->getPid(), 'process should have a pid');
$this->assertTrue($process->isRunning(), 'process should run');
$this->assertTrue($process->stop(), 'stop process');
$this->assertFalse($process->isRunning(), 'processes should not run anymore');
$this->assertFalse($process->stop(), 'cannot stop process that is not running');
}
/**
* @test
* @covers Cocur\BackgroundProcess\BackgroundProcess::stop()
* @covers Cocur\BackgroundProcess\BackgroundProcess::getOS()
*/
public function stopShouldStopRunningProcess()
{
if (preg_match('/^WIN/', PHP_OS)) {
$this->markTestSkipped('Cocur\\BackgroundProcess\\BackgroundProcess::stop() is not supported on Windows.');
return;
}
$process = new BackgroundProcess('sleep 5');
$process->run();
$this->assertTrue($process->stop());
$this->assertFalse($process->isRunning());
}
/**
* Run the PDF Processor utility.
* @return mixed Total pages or false if failed processing.
*/
protected function runPdfProcessor($localPDF)
{
// Get Chaucer PDF converter
$ChaucerPDF = Configure::read('processor.ChaucerPDF');
if (strlen($ChaucerPDF) > 0) {
if (!strlen($localPDF)) {
throw new exception("[PdfProcessor::runPdfProcessor] PDF Processing executable not configured");
}
if (!file_exists($localPDF)) {
throw new exception("[PdfProcessor::runPdfProcessor] PDF Processor {$ChaucerPDF} not found");
}
// Get book dimensions
$bookSize = $this->getBookDimensions($localPDF);
// Get book processing options
$options = $this->getPdfProcessorSwitches($bookSize['width'], $bookSize['height']);
// Assemble PDF converter command
$cmd = "{$ChaucerPDF} {$options} {$localPDF}";
CakeLog::debug('[PdfProcessor::runPdfProcessor] Executing: ' . $cmd);
// Set progress and error log files for PDF converter
$progressFile = Folder::addPathElement($this->workingDir, "progress.txt");
$errorLogFile = Folder::addPathElement($this->workingDir, "ErrorLog.txt");
// Create and run new background process
$pdfProc = new BackgroundProcess($cmd);
$endTime = time() + PROCESS_TIMEOUT;
$pdfProc->run($cmd);
// Preset progress vars
$maxSteps = 0;
$lastPage = 0;
$totalPages = 0;
// Get and check running process
$bRunning = true;
while ($bRunning && time() < $endTime) {
// Get the progress
if (file_exists($progressFile)) {
// Get contents of the progress file
$content = file_get_contents($progressFile);
// Check for the string 10/1020. <page>/<page_count>
if (strpos($content, '/') !== false) {
// Get page info
$pageInfo = explode('/', $content);
// Check to stat the progress
if (!$maxSteps) {
$totalPages = (int) $pageInfo[1];
if ($totalPages > 0) {
$maxSteps = $this->getMaxProgressSteps($totalPages);
$this->progress->startProgress($maxSteps);
}
}
// Update step
$this->progress->setCurrentStep($pageInfo[0]);
if ($lastPage != $pageInfo[0]) {
$endTime = time() + PROCESS_TIMEOUT;
// reset the timeout window for the pdf processor
$lastPage = $pageInfo[0];
}
} else {
// Check if process is running
$bRunning = $this->isPdfProcessorRunning($progressFile, $errorLogFile);
}
}
sleep(2);
}
clearstatcache();
// Check if there were any errors
if (file_exists($errorLogFile)) {
throw new Exception('PDF Processor Failed: ' . file_get_contents($errorLogFile));
}
CakeLog::debug('[PdfProcessor::runPdfProcessor] Complete: ' . $cmd);
// Return total pages
return $totalPages;
}
// Return false if PDF Converter was not detected
return FALSE;
}
