*
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace SebastianBergmann\Comparator;
use DOMNode;
use DOMDocument;
/**
 * @coversDefaultClass SebastianBergmann\Comparator\DOMNodeComparator
 *
 */
class DOMNodeComparatorTest extends \PHPUnit_Framework_TestCase
{
    private $comparator;
    protected function setUp()
    {
        $this->comparator = new DOMNodeComparator;
    }
    public function acceptsSucceedsProvider()
    {
        $document = new DOMDocument;
        $node = new DOMNode;
        return array(
          array($document, $document),
          array($node, $node),
          array($document, $node),
          array($node, $document)
        );
    }
    public function acceptsFailsProvider()
    {
        $document = new DOMDocument;
        return array(
          array($document, null),
          array(null, $document),
          array(null, null)
        );
    }
    public function assertEqualsSucceedsProvider()
    {
        return array(
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument("\n  \n"),
            $this->createDOMDocument('')
          ),
        );
    }
    public function assertEqualsFailsProvider()
    {
        return array(
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(' bar '),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(''),
            $this->createDOMDocument('')
          ),
          array(
            $this->createDOMDocument(' bar '),
            $this->createDOMDocument(' bir ')
          )
        );
    }
    private function createDOMDocument($content)
    {
        $document = new DOMDocument;
        $document->preserveWhiteSpace = false;
        $document->loadXML($content);
        return $document;
    }
    /**
     * @covers       ::accepts
     * @dataProvider acceptsSucceedsProvider
     */
    public function testAcceptsSucceeds($expected, $actual)
    {
        $this->assertTrue(
          $this->comparator->accepts($expected, $actual)
        );
    }
    /**
     * @covers       ::accepts
     * @dataProvider acceptsFailsProvider
     */
    public function testAcceptsFails($expected, $actual)
    {
        $this->assertFalse(
          $this->comparator->accepts($expected, $actual)
        );
    }
    /**
     * @covers       ::assertEquals
     * @dataProvider assertEqualsSucceedsProvider
     */
    public function testAssertEqualsSucceeds($expected, $actual)
    {
        $exception = null;
        try {
            $this->comparator->assertEquals($expected, $actual);
        }
        catch (ComparisonFailure $exception) {
        }
        $this->assertNull($exception, 'Unexpected ComparisonFailure');
    }
    /**
     * @covers       ::assertEquals
     * @dataProvider assertEqualsFailsProvider
     */
    public function testAssertEqualsFails($expected, $actual)
    {
        $this->setExpectedException(
          'SebastianBergmann\\Comparator\\ComparisonFailure',
          'Failed asserting that two DOM'
        );
        $this->comparator->assertEquals($expected, $actual);
    }
}