Fixed data in pipe being truncated if not read before process termination
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2c55a2dafc
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@ -289,9 +289,13 @@ class ProcessPipes
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foreach ($r as $pipe) {
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foreach ($r as $pipe) {
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$type = array_search($pipe, $this->pipes);
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$type = array_search($pipe, $this->pipes);
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$data = fread($pipe, 8192);
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if (strlen($data) > 0) {
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$data = '';
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while ($dataread = fread($pipe, 8192)) {
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$data .= $dataread;
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}
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if ($data) {
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$read[$type] = $data;
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$read[$type] = $data;
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}
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}
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@ -80,6 +80,32 @@ abstract class AbstractProcessTest extends \PHPUnit_Framework_TestCase
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$this->assertLessThan(1.8, $duration);
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$this->assertLessThan(1.8, $duration);
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}
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}
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public function testAllOutputIsActuallyReadOnTermination()
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{
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// this code will result in a maximum of 2 reads of 8192 bytes by calling
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// start() and isRunning(). by the time getOutput() is called the process
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// has terminated so the internal pipes array is already empty. normally
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// the call to start() will not read any data as the process will not have
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// generated output, but this is non-deterministic so we must count it as
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// a possibility. therefore we need 2 * 8192 plus another byte which will
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// never be read.
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$expectedOutputSize = 16385;
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$code = sprintf('echo str_repeat(\'*\', %d);', $expectedOutputSize);
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$p = $this->getProcess(sprintf('php -r %s', escapeshellarg($code)));
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$p->start();
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usleep(250000);
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if ($p->isRunning()) {
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$this->fail('Process execution did not complete in the required time frame');
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}
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$o = $p->getOutput();
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$this->assertEquals($expectedOutputSize, strlen($o));
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}
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public function testCallbacksAreExecutedWithStart()
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public function testCallbacksAreExecutedWithStart()
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{
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{
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$data = '';
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$data = '';
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