<?php
/*
 * This file is part of the Exporter package.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace SebastianBergmann\Exporter;

/**
 * @covers SebastianBergmann\Exporter\Exporter
 */
class ExporterTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var Exporter
     */
    private $exporter;

    protected function setUp()
    {
        $this->exporter = new Exporter;
    }

    public function exportProvider()
    {
        $obj2 = new \stdClass;
        $obj2->foo = 'bar';

        $obj3 = (object)array(1,2,"Test\r\n",4,5,6,7,8);

        $obj = new \stdClass;
        //@codingStandardsIgnoreStart
        $obj->null = null;
        //@codingStandardsIgnoreEnd
        $obj->boolean = true;
        $obj->integer = 1;
        $obj->double = 1.2;
        $obj->string = '1';
        $obj->text = "this\nis\na\nvery\nvery\nvery\nvery\nvery\nvery\rlong\n\rtext";
        $obj->object = $obj2;
        $obj->objectagain = $obj2;
        $obj->array = array('foo' => 'bar');
        $obj->self = $obj;

        $storage = new \SplObjectStorage;
        $storage->attach($obj2);
        $storage->foo = $obj2;

        return array(
            array(null, 'null'),
            array(true, 'true'),
            array(false, 'false'),
            array(1, '1'),
            array(1.0, '1.0'),
            array(1.2, '1.2'),
            array(fopen('php://memory', 'r'), 'resource(%d) of type (stream)'),
            array('1', "'1'"),
            array(array(array(1,2,3), array(3,4,5)),
        <<<EOF
Array &0 (
    0 => Array &1 (
        0 => 1
        1 => 2
        2 => 3
    )
    1 => Array &2 (
        0 => 3
        1 => 4
        2 => 5
    )
)
EOF
            ),
            // \n\r and \r is converted to \n
            array("this\nis\na\nvery\nvery\nvery\nvery\nvery\nvery\rlong\n\rtext",
            <<<EOF
'this
is
a
very
very
very
very
very
very
long
text'
EOF
            ),
            array(new \stdClass, 'stdClass Object &%x ()'),
            array($obj,
            <<<EOF
stdClass Object &%x (
    'null' => null
    'boolean' => true
    'integer' => 1
    'double' => 1.2
    'string' => '1'
    'text' => 'this
is
a
very
very
very
very
very
very
long
text'
    'object' => stdClass Object &%x (
        'foo' => 'bar'
    )
    'objectagain' => stdClass Object &%x
    'array' => Array &%d (
        'foo' => 'bar'
    )
    'self' => stdClass Object &%x
)
EOF
            ),
            array(array(), 'Array &%d ()'),
            array($storage,
            <<<EOF
SplObjectStorage Object &%x (
    'foo' => stdClass Object &%x (
        'foo' => 'bar'
    )
    '%x' => Array &0 (
        'obj' => stdClass Object &%x
        'inf' => null
    )
)
EOF
            ),
            array($obj3,
            <<<EOF
stdClass Object &%x (
    0 => 1
    1 => 2
    2 => 'Test\n'
    3 => 4
    4 => 5
    5 => 6
    6 => 7
    7 => 8
)
EOF
            ),
            array(
                chr(0) . chr(1) . chr(2) . chr(3) . chr(4) . chr(5),
                'Binary String: 0x000102030405'
            ),
            array(
                implode('', array_map('chr', range(0x0e, 0x1f))),
                'Binary String: 0x0e0f101112131415161718191a1b1c1d1e1f'
            ),
            array(
                chr(0x00) . chr(0x09),
                'Binary String: 0x0009'
            ),
            array(
                '',
                "''"
            ),
        );
    }

    /**
     * @dataProvider exportProvider
     */
    public function testExport($value, $expected)
    {
        $this->assertStringMatchesFormat(
            $expected,
            $this->trimNewline($this->exporter->export($value))
        );
    }

    public function testExport2()
    {
        if (PHP_VERSION === '5.3.3') {
            $this->markTestSkipped('Skipped due to "Nesting level too deep - recursive dependency?" fatal error');
        }

        $obj = new \stdClass;
        $obj->foo = 'bar';

        $array = array(
            0 => 0,
            'null' => null,
            'boolean' => true,
            'integer' => 1,
            'double' => 1.2,
            'string' => '1',
            'text' => "this\nis\na\nvery\nvery\nvery\nvery\nvery\nvery\rlong\n\rtext",
            'object' => $obj,
            'objectagain' => $obj,
            'array' => array('foo' => 'bar'),
        );

        $array['self'] = &$array;

        $expected = <<<EOF
Array &%d (
    0 => 0
    'null' => null
    'boolean' => true
    'integer' => 1
    'double' => 1.2
    'string' => '1'
    'text' => 'this
is
a
very
very
very
very
very
very
long
text'
    'object' => stdClass Object &%x (
        'foo' => 'bar'
    )
    'objectagain' => stdClass Object &%x
    'array' => Array &%d (
        'foo' => 'bar'
    )
    'self' => Array &%d (
        0 => 0
        'null' => null
        'boolean' => true
        'integer' => 1
        'double' => 1.2
        'string' => '1'
        'text' => 'this
is
a
very
very
very
very
very
very
long
text'
        'object' => stdClass Object &%x
        'objectagain' => stdClass Object &%x
        'array' => Array &%d (
            'foo' => 'bar'
        )
        'self' => Array &%d
    )
)
EOF;

        $this->assertStringMatchesFormat(
            $expected,
            $this->trimNewline($this->exporter->export($array))
        );
    }

    public function shortenedExportProvider()
    {
        $obj = new \stdClass;
        $obj->foo = 'bar';

        $array = array(
            'foo' => 'bar',
        );

        return array(
            array(null, 'null'),
            array(true, 'true'),
            array(1, '1'),
            array(1.0, '1.0'),
            array(1.2, '1.2'),
            array('1', "'1'"),
            // \n\r and \r is converted to \n
            array("this\nis\na\nvery\nvery\nvery\nvery\nvery\nvery\rlong\n\rtext", "'this\\nis\\na\\nvery\\nvery\\nvery\\nvery...g\\ntext'"),
            array(new \stdClass, 'stdClass Object ()'),
            array($obj, 'stdClass Object (...)'),
            array(array(), 'Array ()'),
            array($array, 'Array (...)'),
        );
    }

    /**
     * @dataProvider shortenedExportProvider
     */
    public function testShortenedExport($value, $expected)
    {
        $this->assertSame(
            $expected,
            $this->trimNewline($this->exporter->shortenedExport($value))
        );
    }

    public function provideNonBinaryMultibyteStrings()
    {
        return array(
            array(implode('', array_map('chr', range(0x09, 0x0d))), 5),
            array(implode('', array_map('chr', range(0x20, 0x7f))), 96),
            array(implode('', array_map('chr', range(0x80, 0xff))), 128),
        );
    }


    /**
     * @dataProvider provideNonBinaryMultibyteStrings
     */
    public function testNonBinaryStringExport($value, $expectedLength)
    {
        $this->assertRegExp(
            "~'.{{$expectedLength}}'\$~s",
            $this->exporter->export($value)
        );
    }

    public function testNonObjectCanBeReturnedAsArray()
    {
        $this->assertEquals(array(true), $this->exporter->toArray(true));
    }

    private function trimNewline($string)
    {
        return preg_replace('/[ ]*\n/', "\n", $string);
    }
}