NonPrintableCharacterFixerTest.php

<?php

declare(strict_types=1);

/*
 * This file is part of PHP CS Fixer.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *     Dariusz Rumiński <dariusz.ruminski@gmail.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace PhpCsFixer\Tests\Fixer\Basic;

use PhpCsFixer\Tests\Test\AbstractFixerTestCase;

/**
 * @author Ivan Boprzenkov <ivan.borzenkov@gmail.com>
 *
 * @internal
 *
 * @covers \PhpCsFixer\Fixer\Basic\NonPrintableCharacterFixer
 */
final class NonPrintableCharacterFixerTest extends AbstractFixerTestCase
{
    /**
     * @dataProvider provideFixCases
     */
    public function testFix(string $expected, ?string $input = null): void
    {
        $this->fixer->configure([
            'use_escape_sequences_in_strings' => false,
        ]);

        $this->doTest($expected, $input);
    }

    /**
     * @dataProvider provideFixCases
     */
    public function testFixWithoutEscapeSequences(string $expected, ?string $input = null): void
    {
        $this->fixer->configure([
            'use_escape_sequences_in_strings' => false,
        ]);

        $this->doTest($expected, $input);
    }

    public function provideFixCases(): array
    {
        return [
            [
                '<?php echo "Hello World !";',
                '<?php echo "'.pack('H*', 'e2808b').'Hello'.pack('H*', 'e28087').'World'.pack('H*', 'c2a0').'!";',
            ],
            [
                '<?php echo "Hello World !";',
                '<?php echo "'.
                    pack('H*', 'e2808b').
                    pack('H*', 'e2808b').
                    pack('H*', 'e2808b').
                    pack('H*', 'e2808b').
                    pack('H*', 'e2808b').
                    pack('H*', 'e2808b').
                'Hello World !";',
            ],
            [
                '<?php
// echo
echo "Hello World !";',
                '<?php
// ec'.pack('H*', 'e2808b').'ho
echo "Hello'.pack('H*', 'e280af').'World'.pack('H*', 'c2a0').'!";',
            ],
            [
                '<?php

                /**
                 * @param string $p Param
                 */
                function f(string $p)
                {
                    echo $p;
                }',
                '<?php

                /**
                 * @param '.pack('H*', 'e2808b').'string $p Param
                 */
                function f(string $p)
                {
                    echo $p;
                }',
            ],
            [
                '<?php echo "$a[0] ${a}";',
                '<?php echo "$a'.pack('H*', 'e2808b').'[0]'.pack('H*', 'e2808b').' ${a'.pack('H*', 'e2808b').'}";',
            ],
            [
                '<?php echo \'12345\';?>abc<?php ?>',
                '<?php echo \'123'.pack('H*', 'e2808b').'45\';?>a'.pack('H*', 'e2808b').'bc<?php ?>',
            ],
            [
                '<?php echo "${foo'.pack('H*', 'c2a0').'bar} is great!";',
            ],
            [
                '<?php echo $foo'.pack('H*', 'c2a0').'bar;',
            ],
            [
                '<?php /* foo *'.pack('H*', 'e2808b').'/ bar */',
            ],
            [
                '<?php /** foo *'.pack('H*', 'e2808b').'/ bar */',
            ],
        ];
    }

    /**
     * @dataProvider provideFixWithEscapeSequencesInStringsCases
     */
    public function testFixWithEscapeSequencesInStrings(string $expected, ?string $input = null): void
    {
        $this->fixer->configure([
            'use_escape_sequences_in_strings' => true,
        ]);

        $this->doTest($expected, $input);
    }

    public function provideFixWithEscapeSequencesInStringsCases(): array
    {
        return [
            [
                '<?php

                /**
                 * @param string $p Param
                 */
                function f(string $p)
                {
                    echo $p;
                }',
                '<?php

                /**
                 * @param '.pack('H*', 'e2808b').'string $p Param
                 */
                function f(string $p)
                {
                    echo $p;
                }',
            ],
            [
                '<?php echo \'FooBar\\\\\';',
            ],
            [
                '<?php echo "Foo\u{200b}Bar";',
                '<?php echo "Foo'.pack('H*', 'e2808b').'Bar";',
            ],
            [
                '<?php echo "Foo\u{200b}Bar";',
                '<?php echo \'Foo'.pack('H*', 'e2808b').'Bar\';',
            ],
            [
                '<?php echo "Foo\u{200b} Bar \\\\n \\\\ \$variableToEscape";',
                '<?php echo \'Foo'.pack('H*', 'e2808b').' Bar \n \ $variableToEscape\';',
            ],
            [
                '<?php echo <<<\'TXT\'
FooBar\
TXT;
',
            ],
            [
                '<?php echo <<<TXT
Foo\u{200b}Bar
TXT;
',
                '<?php echo <<<TXT
Foo'.pack('H*', 'e2808b').'Bar
TXT;
',
            ],
            [
                '<?php echo <<<TXT
Foo\u{200b}Bar
TXT;
',
                '<?php echo <<<\'TXT\'
Foo'.pack('H*', 'e2808b').'Bar
TXT;
',
            ],
            [
                '<?php echo <<<TXT
Foo\u{200b} Bar \\\\n \\\\ \$variableToEscape
TXT;
',
                '<?php echo <<<\'TXT\'
Foo'.pack('H*', 'e2808b').' Bar \n \ $variableToEscape
TXT;
',
            ],
            [
                '<?php echo \'。\';',
            ],
            [
                <<<'EXPECTED'
<?php echo "Double \" quote \u{200b} inside";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Double " quote %s inside';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "Single ' quote \u{200b} inside";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Single \' quote %s inside';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo <<<STRING
    Quotes ' and " to be handled \u{200b} properly \\' and \\"
STRING
;
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo <<<'STRING'
    Quotes ' and " to be handled %s properly \' and \"
STRING
;
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "\\\u{200b}\"";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo '\\%s"';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "\\\u{200b}'";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo '\\%s\'';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "Backslash 1 \\ \u{200b}";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Backslash 1 \ %s';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "Backslash 2 \\ \u{200b}";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Backslash 2 \\ %s';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "Backslash 3 \\\\ \u{200b}";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Backslash 3 \\\ %s';
INPUT
                 , pack('H*', 'e2808b')),
            ],
            [
                <<<'EXPECTED'
<?php echo "Backslash 4 \\\\ \u{200b}";
EXPECTED
                ,
                sprintf(<<<'INPUT'
<?php echo 'Backslash 4 \\\\ %s';
INPUT
                 , pack('H*', 'e2808b')),
            ],
        ];
    }
}