82 lines
2.9 KiB
PHP
82 lines
2.9 KiB
PHP
<?php
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declare(strict_types=1);
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namespace BlaxSoftware\LaravelWebSockets\Test\Server;
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use BlaxSoftware\LaravelWebSockets\Ipc\SocketPairIpc;
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use PHPUnit\Framework\TestCase;
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/**
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* Regression guard for #1462: a message child that died of a fatal error
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* (out of memory, E_ERROR, ...) sent no `:error` frame and the client hung.
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*
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* Each case runs Fixtures/fatal_child.php in its own PHP process, which forks
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* a child that really dies of the fatal error.
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*/
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class ChildFatalErrorGuardTest extends TestCase
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{
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protected function setUp(): void
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{
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parent::setUp();
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if (! function_exists('pcntl_fork') || ! SocketPairIpc::isSupported()) {
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$this->markTestSkipped('pcntl and sockets are required');
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}
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}
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public function test_a_child_that_runs_out_of_memory_still_sends_the_error_frame()
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{
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$result = $this->runChild('oom');
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$this->assertSame(255, $result['exit_code'], 'PHP exits with 255 after a fatal error.');
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$this->assertCount(1, $result['frames']);
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$frame = json_decode($result['frames'][0], true);
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$this->assertSame('demo.crash:error', $frame['event']);
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$this->assertSame('Internal server error', $frame['data']['message']);
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$this->assertTrue($frame['data']['meta']['fatal']);
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$this->assertTrue($result['replied'], 'The parent recognises the frame as the final reply.');
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$this->assertStringContainsString('app handler saw: Allowed memory size', $result['stderr'], 'The earlier app handler still ran first.');
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}
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public function test_a_disarmed_guard_stays_silent()
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{
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$result = $this->runChild('oom-disarmed');
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$this->assertSame(255, $result['exit_code']);
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$this->assertSame([], $result['frames']);
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$this->assertFalse($result['replied']);
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}
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public function test_a_normal_exit_sends_nothing()
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{
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$this->assertSame([], $this->runChild('clean-exit')['frames']);
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$this->assertSame([], $this->runChild('warning-then-exit')['frames'], 'A non-fatal last error is not a crash.');
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}
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/**
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* @return array{frames: string[], exit_code: ?int, replied: bool, stderr: string}
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*/
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private function runChild(string $mode): array
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{
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$process = proc_open(
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[PHP_BINARY, '-d', 'display_errors=stderr', '-d', 'memory_limit=128M', __DIR__ . '/Fixtures/fatal_child.php', $mode],
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[1 => ['pipe', 'w'], 2 => ['pipe', 'w']],
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$pipes
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);
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$this->assertIsResource($process);
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$stdout = stream_get_contents($pipes[1]);
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$stderr = stream_get_contents($pipes[2]);
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fclose($pipes[1]);
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fclose($pipes[2]);
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proc_close($process);
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$result = json_decode((string) $stdout, true);
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$this->assertIsArray($result, "Driver output was not JSON.\nstdout: {$stdout}\nstderr: {$stderr}");
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return $result + ['stderr' => $stderr];
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}
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}
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