Neos\Flow\Tests\Unit\Log\Backend\FileBackendTest::appendRendersALogEntryAndAppendsItToTheLogfile PHP Method

    public function appendRendersALogEntryAndAppendsItToTheLogfile()
    {
        $logFileUrl = vfsStream::url('testDirectory') . '/test.log';
        $backend = new FileBackend(['logFileUrl' => $logFileUrl]);
        $backend->open();
        $backend->append('foo');
        $pidOffset = function_exists('posix_getpid') ? 10 : 0;
        $this->assertSame(53 + $pidOffset + strlen(PHP_EOL), vfsStreamWrapper::getRoot()->getChild('test.log')->size());
    }