setExtensions([self::FILE_EXTENSION]); $result = $codeSniffer->run(PHPCodeTest::getWhitelist([self::FILE_EXTENSION])); $report = file_exists($reportFile) ? file_get_contents($reportFile) : ''; $this->assertEquals( 0, $result, "PHP Code Sniffer detected {$result} violation(s): " . PHP_EOL . $report ); } }