symfony/src/Symfony/Component/VarDumper/Tests/CliDumperTest.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Tests;

use Symfony\Component\VarDumper\Cloner\VarCloner;
use Symfony\Component\VarDumper\Dumper\CliDumper;
use Symfony\Component\VarDumper\Test\VarDumperTestTrait;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 */
class CliDumperTest extends \PHPUnit_Framework_TestCase
{
    use VarDumperTestTrait;

    public function testGet()
    {
        require __DIR__.'/Fixtures/dumb-var.php';

        $dumper = new CliDumper('php://output');
        $dumper->setColors(false);
        $cloner = new VarCloner();
        $cloner->addCasters(array(
            ':stream' => function ($res, $a) {
                unset($a['uri'], $a['wrapper_data']);

                return $a;
            },
        ));
        $data = $cloner->cloneVar($var);

        ob_start();
        $dumper->dump($data);
        $out = ob_get_clean();
        $out = preg_replace('/[ \t]+$/m', '', $out);
        $intMax = PHP_INT_MAX;
        $res = (int) $var['res'];

        $r = defined('HHVM_VERSION') ? '' : '#%d';
        $this->assertStringMatchesFormat(
            <<<EOTXT
array:24 [
  "number" => 1
  0 => &1 null
  "const" => 1.1
  1 => true
  2 => false
  3 => NAN
  4 => INF
  5 => -INF
  6 => {$intMax}
  "str" => "déjà\\n"
  7 => b"é\\x00"
  "[]" => []
  "res" => stream resource {@{$res}
%A  wrapper_type: "plainfile"
    stream_type: "STDIO"
    mode: "r"
    unread_bytes: 0
    seekable: true
%A  options: []
  }
  "obj" => Symfony\Component\VarDumper\Tests\Fixture\DumbFoo {#%d
    +foo: "foo"
    +"bar": "bar"
  }
  "closure" => Closure {{$r}
    class: "Symfony\Component\VarDumper\Tests\CliDumperTest"
    this: Symfony\Component\VarDumper\Tests\CliDumperTest {{$r} …}
    parameters: {
      \$a: {}
      &\$b: {
        typeHint: "PDO"
        default: null
      }
    }
    file: "{$var['file']}"
    line: "{$var['line']} to {$var['line']}"
  }
  "line" => {$var['line']}
  "nobj" => array:1 [
    0 => &3 {#%d}
  ]
  "recurs" => &4 array:1 [
    0 => &4 array:1 [&4]
  ]
  8 => &1 null
  "sobj" => Symfony\Component\VarDumper\Tests\Fixture\DumbFoo {#%d}
  "snobj" => &3 {#%d}
  "snobj2" => {#%d}
  "file" => "{$var['file']}"
  b"bin-key-é" => ""
]

EOTXT
            ,
            $out
        );
    }

    /**
     * @requires extension xml
     */
    public function testXmlResource()
    {
        $var = xml_parser_create();

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
xml resource {
  current_byte_index: %i
  current_column_number: %i
  current_line_number: 1
  error_code: XML_ERROR_NONE
}
EOTXT
            ,
            $var
        );
    }

    public function testJsonCast()
    {
        $var = (array) json_decode('{"0":{},"1":null}');
        foreach ($var as &$v) {
        }
        $var[] = &$v;
        $var[''] = 2;

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
array:4 [
  "0" => {}
  "1" => &1 null
  0 => &1 null
  "" => 2
]
EOTXT
            ,
            $var
        );
    }

    public function testObjectCast()
    {
        $var = (object) array(1 => 1);
        $var->{1} = 2;

        $this->assertDumpMatchesFormat(
            <<<'EOTXT'
{
  +1: 1
  +"1": 2
}
EOTXT
            ,
            $var
        );
    }

    public function testClosedResource()
    {
        if (defined('HHVM_VERSION') && HHVM_VERSION_ID < 30600) {
            $this->markTestSkipped();
        }

        $var = fopen(__FILE__, 'r');
        fclose($var);

        $dumper = new CliDumper('php://output');
        $dumper->setColors(false);
        $cloner = new VarCloner();
        $data = $cloner->cloneVar($var);

        ob_start();
        $dumper->dump($data);
        $out = ob_get_clean();
        $res = (int) $var;

        $this->assertStringMatchesFormat(
            <<<EOTXT
Closed resource @{$res}

EOTXT
            ,
            $out
        );
    }

    public function testFlags()
    {
        putenv('DUMP_LIGHT_ARRAY=1');
        putenv('DUMP_STRING_LENGTH=1');

        $var = array(
            range(1, 3),
            array('foo', 2 => 'bar'),
        );

        $this->assertDumpEquals(
            <<<EOTXT
[
  [
    1
    2
    3
  ]
  [
    0 => (3) "foo"
    2 => (3) "bar"
  ]
]
EOTXT
            ,
            $var
        );

        putenv('DUMP_LIGHT_ARRAY=');
        putenv('DUMP_STRING_LENGTH=');
    }

    /**
     * @requires function Twig_Template::getSourceContext
     */
    public function testThrowingCaster()
    {
        $out = fopen('php://memory', 'r+b');

        require_once __DIR__.'/Fixtures/Twig.php';
        $twig = new \__TwigTemplate_VarDumperFixture_u75a09(new \Twig_Environment(new \Twig_Loader_Filesystem()));

        $dumper = new CliDumper();
        $dumper->setColors(false);
        $cloner = new VarCloner();
        $cloner->addCasters(array(
            ':stream' => function ($res, $a) {
                unset($a['wrapper_data']);

                return $a;
            },
        ));
        $cloner->addCasters(array(
            ':stream' => eval('return function () use ($twig) {
                try {
                    $twig->render(array());
                } catch (\Twig_Error_Runtime $e) {
                    throw $e->getPrevious();
                }
            };'),
        ));
        $line = __LINE__ - 2;
        $ref = (int) $out;

        $data = $cloner->cloneVar($out);
        $dumper->dump($data, $out);
        rewind($out);
        $out = stream_get_contents($out);

        $r = defined('HHVM_VERSION') ? '' : '#%d';
        $this->assertStringMatchesFormat(
            <<<EOTXT
stream resource {@{$ref}
%Awrapper_type: "PHP"
  stream_type: "MEMORY"
  mode: "%s+b"
  unread_bytes: 0
  seekable: true
  uri: "php://memory"
%Aoptions: []
  ⚠: Symfony\Component\VarDumper\Exception\ThrowingCasterException {{$r}
    #message: "Unexpected Exception thrown from a caster: Foobar"
    -trace: {
      %d. __TwigTemplate_VarDumperFixture_u75a09->doDisplay() ==> new Exception(): {
        src: {
          %sTwig.php:21: """
                // line 2\\n
                throw new \Exception('Foobar');\\n
            }\\n
            """
          bar.twig:2: """
            foo bar\\n
              twig source\\n
            \\n
            """
        }
      }
      %d. Twig_Template->displayWithErrorHandling() ==> __TwigTemplate_VarDumperFixture_u75a09->doDisplay(): {
        src: {
          %sTemplate.php:%d: """
            try {\\n
                \$this->doDisplay(\$context, \$blocks);\\n
            } catch (Twig_Error \$e) {\\n
            """
        }
      }
      %d. Twig_Template->display() ==> Twig_Template->displayWithErrorHandling(): {
        src: {
          %sTemplate.php:%d: """
            {\\n
                \$this->displayWithErrorHandling(\$this->env->mergeGlobals(\$context), array_merge(\$this->blocks, \$blocks));\\n
            }\\n
            """
        }
      }
      %d. Twig_Template->render() ==> Twig_Template->display(): {
        src: {
          %sTemplate.php:%d: """
            try {\\n
                \$this->display(\$context);\\n
            } catch (Exception \$e) {\\n
            """
        }
      }
      %d. %slosure%s() ==> Twig_Template->render(): {
        src: {
          %sCliDumperTest.php:{$line}: """
                    }\\n
                };'),\\n
            ));\\n
            """
        }
      }
    }
  }
}

EOTXT
            ,
            $out
        );
    }

    public function testRefsInProperties()
    {
        $var = (object) array('foo' => 'foo');
        $var->bar = &$var->foo;

        $dumper = new CliDumper();
        $dumper->setColors(false);
        $cloner = new VarCloner();

        $out = fopen('php://memory', 'r+b');
        $data = $cloner->cloneVar($var);
        $dumper->dump($data, $out);
        rewind($out);
        $out = stream_get_contents($out);

        $r = defined('HHVM_VERSION') ? '' : '#%d';
        $this->assertStringMatchesFormat(
            <<<EOTXT
{{$r}
  +"foo": &1 "foo"
  +"bar": &1 "foo"
}

EOTXT
            ,
            $out
        );
    }

    /**
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     * @requires PHP 5.6
     */
    public function testSpecialVars56()
    {
        $var = $this->getSpecialVars();

        $this->assertDumpEquals(
            <<<'EOTXT'
array:3 [
  0 => array:1 [
    0 => &1 array:1 [
      0 => &1 array:1 [&1]
    ]
  ]
  1 => array:1 [
    "GLOBALS" => &2 array:1 [
      "GLOBALS" => &2 array:1 [&2]
    ]
  ]
  2 => &2 array:1 [&2]
]
EOTXT
            ,
            $var
        );
    }

    /**
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testGlobalsNoExt()
    {
        $var = $this->getSpecialVars();
        unset($var[0]);
        $out = '';

        $dumper = new CliDumper(function ($line, $depth) use (&$out) {
            if ($depth >= 0) {
                $out .= str_repeat('  ', $depth).$line."\n";
            }
        });
        $dumper->setColors(false);
        $cloner = new VarCloner();

        $refl = new \ReflectionProperty($cloner, 'useExt');
        $refl->setAccessible(true);
        $refl->setValue($cloner, false);

        $data = $cloner->cloneVar($var);
        $dumper->dump($data);

        $this->assertSame(
            <<<'EOTXT'
array:2 [
  1 => array:1 [
    "GLOBALS" => &1 array:1 [
      "GLOBALS" => &1 array:1 [&1]
    ]
  ]
  2 => &1 array:1 [&1]
]

EOTXT
            ,
            $out
        );
    }

    /**
     * @runInSeparateProcess
     * @preserveGlobalState disabled
     */
    public function testBuggyRefs()
    {
        if (PHP_VERSION_ID >= 50600) {
            $this->markTestSkipped('PHP 5.6 fixed refs counting');
        }

        $var = $this->getSpecialVars();
        $var = $var[0];

        $dumper = new CliDumper();
        $dumper->setColors(false);
        $cloner = new VarCloner();

        $data = $cloner->cloneVar($var)->withMaxDepth(3);
        $out = '';
        $dumper->dump($data, function ($line, $depth) use (&$out) {
            if ($depth >= 0) {
                $out .= str_repeat('  ', $depth).$line."\n";
            }
        });

        $this->assertSame(
            <<<'EOTXT'
array:1 [
  0 => array:1 [
    0 => array:1 [
      0 => array:1 [ …1]
    ]
  ]
]

EOTXT
            ,
            $out
        );
    }

    private function getSpecialVars()
    {
        foreach (array_keys($GLOBALS) as $var) {
            if ('GLOBALS' !== $var) {
                unset($GLOBALS[$var]);
            }
        }

        $var = function &() {
            $var = array();
            $var[] = &$var;

            return $var;
        };

        return array($var(), $GLOBALS, &$GLOBALS);
    }
}