<?php
/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * 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\Common\DataFixtures;

use Doctrine\Common\DataFixtures\Loader;
use Doctrine\Common\DataFixtures\DependentFixtureInterface;
use Doctrine\Common\DataFixtures\OrderedFixtureInterface;
use Doctrine\Common\DataFixtures\FixtureInterface;
use Doctrine\Common\Persistence\ObjectManager;

/**
 * Test Fixture ordering by dependencies.
 *
 * @author Gustavo Adrian <comfortablynumb84@gmail.com>
 */
class DependentFixtureTest extends BaseTest
{
    public function test_orderFixturesByDependencies_orderClassesWithASingleParent()
    {
        $loader = new Loader();
        $loader->addFixture(new DependentFixture3);
        $loader->addFixture(new DependentFixture1);
        $loader->addFixture(new DependentFixture2);
        $loader->addFixture(new BaseParentFixture1);

        $orderedFixtures = $loader->getFixtures();

        $this->assertCount(4, $orderedFixtures);
        $this->assertInstanceOf(__NAMESPACE__ . '\BaseParentFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture2', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture3', array_shift($orderedFixtures));
    }

    public function test_orderFixturesByDependencies_orderClassesWithAMultipleParents()
    {
        $loader = new Loader();

        $addressFixture         = new AddressFixture();
        $contactMethodFixture   = new ContactMethodFixture();
        $contactFixture         = new ContactFixture();
        $baseParentFixture      = new BaseParentFixture1();
        $countryFixture         = new CountryFixture();
        $stateFixture           = new StateFixture();

        $loader->addFixture($addressFixture);
        $loader->addFixture($contactMethodFixture);
        $loader->addFixture($contactFixture);
        $loader->addFixture($baseParentFixture);
        $loader->addFixture($countryFixture);
        $loader->addFixture($stateFixture);

        $orderedFixtures = $loader->getFixtures();

        $this->assertCount(6, $orderedFixtures);

        $contactFixtureOrder = array_search($contactFixture, $orderedFixtures);
        $contactMethodFixtureOrder = array_search($contactMethodFixture, $orderedFixtures);
        $addressFixtureOrder = array_search($addressFixture, $orderedFixtures);
        $countryFixtureOrder = array_search($countryFixture, $orderedFixtures);
        $stateFixtureOrder = array_search($stateFixture, $orderedFixtures);
        $baseParentFixtureOrder = array_search($baseParentFixture, $orderedFixtures);

        // Order of fixtures is not exact. We need to test, however, that dependencies are
        // indeed satisfied

        // BaseParentFixture1 has no dependencies, so it will always be first in this case
        $this->assertEquals($baseParentFixtureOrder, 0);

        $this->assertTrue(($contactFixtureOrder > $contactMethodFixtureOrder));
        $this->assertTrue(($contactFixtureOrder > $addressFixtureOrder));
        $this->assertTrue(($contactFixtureOrder > $countryFixtureOrder));
        $this->assertTrue(($contactFixtureOrder > $stateFixtureOrder));
        $this->assertTrue(($contactFixtureOrder > $contactMethodFixtureOrder));

        $this->assertTrue(($addressFixtureOrder > $stateFixtureOrder));
        $this->assertTrue(($addressFixtureOrder > $countryFixtureOrder));
    }


    /**
     * @expectedException Doctrine\Common\DataFixtures\Exception\CircularReferenceException
     */
    public function test_orderFixturesByDependencies_circularReferencesMakeMethodThrowCircularReferenceException()
    {
        $loader = new Loader();

        $loader->addFixture(new CircularReferenceFixture3);
        $loader->addFixture(new CircularReferenceFixture);
        $loader->addFixture(new CircularReferenceFixture2);

        $orderedFixtures = $loader->getFixtures();
    }

    /**
     * @expectedException InvalidArgumentException
     */
    public function test_orderFixturesByDependencies_fixturesCantHaveItselfAsParent()
    {
        $loader = new Loader();

        $loader->addFixture(new FixtureWithItselfAsParent);

        $orderedFixtures = $loader->getFixtures();
    }

    public function test_inCaseThereAreFixturesOrderedByNumberAndByDependenciesBothOrdersAreExecuted()
    {
        $loader = new Loader();
        $loader->addFixture(new OrderedByNumberFixture1);
        $loader->addFixture(new OrderedByNumberFixture3);
        $loader->addFixture(new OrderedByNumberFixture2);
        $loader->addFixture(new DependentFixture3);
        $loader->addFixture(new DependentFixture1);
        $loader->addFixture(new DependentFixture2);
        $loader->addFixture(new BaseParentFixture1);

        $orderedFixtures = $loader->getFixtures();

        $this->assertCount(7, $orderedFixtures);
        $this->assertInstanceOf(__NAMESPACE__ . '\OrderedByNumberFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\OrderedByNumberFixture2', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\OrderedByNumberFixture3', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\BaseParentFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture2', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture3', array_shift($orderedFixtures));
    }

    /**
     * @expectedException RuntimeException
     */
    public function test_inCaseAFixtureHasAnUnexistentDependencyOrIfItWasntLoaded_throwsException()
    {
        $loader = new Loader();
        $loader->addFixture(new FixtureWithUnexistentDependency);

        $orderedFixtures = $loader->getFixtures();
    }

    public function test_inCaseGetFixturesReturnsDifferentResultsEachTime()
    {
        $loader = new Loader();
        $loader->addFixture(new DependentFixture1);
        $loader->addFixture(new BaseParentFixture1);

        // Intentionally calling getFixtures() twice
        $loader->getFixtures();
        $orderedFixtures = $loader->getFixtures();

        $this->assertCount(2, $orderedFixtures);
        $this->assertInstanceOf(__NAMESPACE__ . '\BaseParentFixture1', array_shift($orderedFixtures));
        $this->assertInstanceOf(__NAMESPACE__ . '\DependentFixture1', array_shift($orderedFixtures));
    }
}

class DependentFixture1 implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array( 'Doctrine\Tests\Common\DataFixtures\BaseParentFixture1' );
    }
}

class DependentFixture2 implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array( 'Doctrine\Tests\Common\DataFixtures\DependentFixture1' );
    }
}

class DependentFixture3 implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array( 'Doctrine\Tests\Common\DataFixtures\DependentFixture2' );
    }
}

class BaseParentFixture1 implements FixtureInterface
{
    public function load(ObjectManager $manager)
    {}
}

class CountryFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\BaseParentFixture1'
        );
    }
}

class StateFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\BaseParentFixture1',
            'Doctrine\Tests\Common\DataFixtures\CountryFixture'
        );
    }
}

class AddressFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\BaseParentFixture1',
            'Doctrine\Tests\Common\DataFixtures\CountryFixture',
            'Doctrine\Tests\Common\DataFixtures\StateFixture'
        );
    }
}

class ContactMethodFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\BaseParentFixture1'
        );
    }
}

class ContactFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\AddressFixture',
            'Doctrine\Tests\Common\DataFixtures\ContactMethodFixture'
        );
    }
}

class CircularReferenceFixture implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\CircularReferenceFixture3'
        );
    }
}

class CircularReferenceFixture2 implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\CircularReferenceFixture'
        );
    }
}

class CircularReferenceFixture3 implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\CircularReferenceFixture2'
        );
    }
}

class FixtureWithItselfAsParent implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\FixtureWithItselfAsParent'
        );
    }
}

class FixtureWithUnexistentDependency implements FixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array(
            'UnexistentDependency'
        );
    }
}

class FixtureImplementingBothOrderingInterfaces implements FixtureInterface, OrderedFixtureInterface, DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getOrder()
    {
        return 1;
    }

    public function getDependencies()
    {
        return array(
            'Doctrine\Tests\Common\DataFixtures\FixtureWithItselfAsParent'
        );
    }
}

class OrderedByNumberFixture1 implements FixtureInterface, OrderedFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getOrder()
    {
        return 1;
    }
}

class OrderedByNumberFixture2 implements FixtureInterface, OrderedFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getOrder()
    {
        return 5;
    }
}

class OrderedByNumberFixture3 implements FixtureInterface, OrderedFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getOrder()
    {
        return 10;
    }
}
