doctrine2/tests/Doctrine/Tests/ORM/Query/QueryExpressionVisitorTest.php

<?php
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\Tests\ORM\Query;

use Doctrine\Common\Collections\ArrayCollection;

use Doctrine\Common\Collections\Expr\Value;
use Doctrine\Common\Collections\Expr\Comparison as CriteriaComparison;
use Doctrine\ORM\Query\Expr\Comparison as QueryComparison;
use Doctrine\Common\Collections\ExpressionBuilder as CriteriaBuilder;
use Doctrine\ORM\Query\Expr as QueryBuilder;

use Doctrine\ORM\Query\Parameter;
use Doctrine\ORM\Query\QueryExpressionVisitor;

/**
 * Test for QueryExpressionVisitor
 *
 * @author Kirill chEbba Chebunin <iam@chebba.org>
 */
class QueryExpressionVisitorTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var QueryExpressionVisitor
     */
    private $visitor;

    /**
     * {@inheritDoc}
     */
    protected function setUp()
    {
        $this->visitor = new QueryExpressionVisitor();
    }

    /**
     * @param CriteriaComparison     $criteriaExpr
     * @param QueryComparison|string $queryExpr
     * @param Parameter              $parameter
     *
     * @dataProvider comparisonData
     */
    public function testWalkComparison(CriteriaComparison $criteriaExpr, $queryExpr, Parameter $parameter = null)
    {
        $this->assertEquals($queryExpr, $this->visitor->walkComparison($criteriaExpr));
        if ($parameter) {
            $this->assertEquals(new ArrayCollection(array($parameter)), $this->visitor->getParameters());
        }
    }

    public function comparisonData()
    {
        $cb = new CriteriaBuilder();
        $qb = new QueryBuilder();

        return array(
            array($cb->eq('field', 'value'), $qb->eq('field', ':field'), new Parameter('field', 'value')),
            array($cb->neq('field', 'value'), $qb->neq('field', ':field'), new Parameter('field', 'value')),
            array($cb->eq('field', null), $qb->isNull('field')),
            array($cb->neq('field', null), $qb->isNotNull('field')),
            array($cb->isNull('field'), $qb->isNull('field')),

            array($cb->gt('field', 'value'), $qb->gt('field', ':field'), new Parameter('field', 'value')),
            array($cb->gte('field', 'value'), $qb->gte('field', ':field'), new Parameter('field', 'value')),
            array($cb->lt('field', 'value'), $qb->lt('field', ':field'), new Parameter('field', 'value')),
            array($cb->lte('field', 'value'), $qb->lte('field', ':field'), new Parameter('field', 'value')),

            array($cb->in('field', array('value')), $qb->in('field', ':field'), new Parameter('field', array('value'))),
            array($cb->notIn('field', array('value')), $qb->notIn('field', ':field'), new Parameter('field', array('value'))),

            // Test parameter conversion
            array($cb->eq('object.field', 'value'), $qb->eq('object.field', ':object_field'), new Parameter('object_field', 'value')),
        );
    }

    public function testWalkAndCompositeExpression()
    {
        $cb = new CriteriaBuilder();
        $expr = $this->visitor->walkCompositeExpression(
            $cb->andX(
                $cb->eq("foo", 1),
                $cb->eq("bar", 1)
            )
        );

        $this->assertInstanceOf('Doctrine\ORM\Query\Expr\Andx', $expr);
        $this->assertCount(2, $expr->getParts());
    }

    public function testWalkOrCompositeExpression()
    {
        $cb = new CriteriaBuilder();
        $expr = $this->visitor->walkCompositeExpression(
            $cb->orX(
                $cb->eq("foo", 1),
                $cb->eq("bar", 1)
            )
        );

        $this->assertInstanceOf('Doctrine\ORM\Query\Expr\Orx', $expr);
        $this->assertCount(2, $expr->getParts());
    }

    public function testWalkValue()
    {
        $this->assertEquals('value', $this->visitor->walkValue(new Value('value')));
    }

    public function testClearParameters()
    {
        $this->visitor->getParameters()->add(new Parameter('field', 'value'));

        $this->visitor->clearParameters();

        $this->assertCount(0, $this->visitor->getParameters());
    }
}