Builder example

gistfile1.php

<?php
/**
 * @test
 * @dataProvider findBySearchMappingProvider
 *
 * @param SearchMapping $searchMapping
 * @param array $expectedReferences
 */
public function findBySearchMapping(SearchMapping $searchMapping, array $expectedReferences)
{
    $expectedResults = $this->getSomethingByReferences($expectedReferences);

    $results = $this->uut->findBySearchMapping($searchMapping);

    $this->assertCount(count($expectedResults), $results);
    $this->assertContainsOnlyInstancesOf('SomeInterface', $results);
    $this->assertEquals($expectedResults, $results);
}

/**
 * @return array
 */
public function findBySearchMappingProvider()
{
    return array(
        // find all models
        array(
            (new SearchMappingBuilder())->build(),
            array('model_1', 'model_2', 'model_3', 'model_4', 'model_5', 'model_6')
         ),
        array(
            (new SearchMappingBuilder())->withColor('black')->build(),
            array('model_1')
        ),

        //code

        array(
            (new SearchMappingBuilder())->withColod('black')->withSize('XL')->withWidth(1)->withHeight(23)->build(),
            array()
        ),
        array(
            (new SearchMappingBuilder())->withEnabled(true)->build(),
            array('model_1', 'model_3', 'model_4', 'model_5', 'model_6')
        ),

        //code
    );
}

/**
 * @param array $references
 * @return SomeInterface[]
 */
private function getSomethingByReferences(array $references)
{

    $models = array();
    foreach ($references as $referenceName) {
        $models[] = $this->referenceRepository->getReference($referenceName);
    }

    return $models;
}