Simple 'PHP Unit Test' for detecting pre function variable dump for laravel and PHP.

in #php3 years ago

A simple unit testing a class method for detecting pre function variable dumper in both php and php framework's laravel.

//---code snippet--//

protected static function searchForExecutedVariableDumper($className, $methodName, $dump = null) {

    $class = new \ReflectionClass($className);

    $content = $class->getMethod($methodName);


    $file = $content->getFileName();

    $start_line = $content->getStartLine();
    $end_line = $content->getEndLine() - 1;

    $length = $end_line - $start_line;

    $source = file($file);

    $body = array_slice($source, $start_line, $length);

    $search = [];
    $search2 = [];
    $subject = '';

    $dumper = '';

    if($dump) {
        switch ($dump) {
            case 'dd' :
            case 'dd()' :
                $dumper = 'dd';
                break;

            case 'dump' :
            case 'dump()' :
                $dumper = 'dump';
                break;

            case 'var_dump' :
            case 'var_dump()' :
                $dumper = 'var_dump';
                break;

        }
    }

    foreach ($body as $segment) {

        $subset_prefix = '';
        $subset_suffix = '';

        $dumper_prefix = preg_match("/var_dump|dd|dump/", $segment, $matches);

        /*
         * Dumper base on the var dumper present.
         * */
        if($dumper_prefix && is_null($dump)) {
            $dumper = $matches[0];

            switch ($dumper) {
                case 'dd' :
                    $dumper = 'dd';
                    break;

                case 'dump' :
                    $dumper = 'dump';
                    break;

                case 'var_dump' :
                    $dumper = 'var_dump';
                    break;

            }
        }

        /*
         * If the $dump var not equal to dumper present.
         * */
        if($dumper_prefix) {
            $dumper = $matches[0];

            switch ($dumper) {
                case 'dd' :
                    $dumper = 'dd';
                    break;

                case 'dump' :
                    $dumper = 'dump';
                    break;

                case 'var_dump' :
                    $dumper = 'var_dump';
                    break;

            }
        }


        if($dumper == 'dd') {

            $subset_prefix = substr(trim($segment), 0 , 3);
            $subset_suffix = substr(trim($segment), -2 , 1);

        }

        if($dumper == 'var_dump') {

            $subset_prefix = substr(trim($segment), 0 , 9);
            $subset_suffix = substr(trim($segment), -2 , 1);

        }

        if($dumper == 'dump') {

            $subset_prefix = substr(trim($segment), 0 , 5);
            $subset_suffix = substr(trim($segment), -2 , 1);

        }



        $search[] = $subset_prefix;
        $search2[] = $subset_suffix;

        if( (in_array('dd(', $search) && in_array(')', $search2)) || (in_array('var_dump(', $search) && in_array(')', $search2)) || (in_array('dump(', $search) && in_array(')', $search2)) ) {

            $str_concat = $subset_prefix . $subset_suffix;

            switch ($str_concat) {

                case 'dd()' :
                    $subject = $str_concat;
                    break;

                case 'var_dump()' :
                    $subject = $str_concat;
                    break;

                case 'dump()' :
                    $subject = $str_concat;
                    break;

            }

            break;
        }

    }

    if($dumper == 'dd') {
        self::assertNotSame($subject, 'dd()', 'A variable dumper (\'dd()\') found being executed!');
    }

    if($dumper == 'var_dump') {
        self::assertNotSame($subject, 'var_dump()', 'A variable dumper (\'var_dump()\') found being executed!');
    }

    if($dumper == 'dump') {
        self::assertNotSame($subject, 'dump()', 'A variable dumper (\'dump()\') found being executed!');
    }
}
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Nice one GO :)

A good write up on how to use PHP to make SuperiorCoin Transactions with Json would be cool.

@mps01k thanks for the comment and info i will give it a shot.

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