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# Doctrine Data Fixtures Extension

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This extension aims to provide a simple way to manage and execute the loading of data fixtures
for the [Doctrine ORM or ODM](http://www.doctrine-project.org/). You can write fixture classes
by implementing the [`Doctrine\Common\DataFixtures\FixtureInterface`](lib/Doctrine/Common/DataFixtures/FixtureInterface.php) interface:

```php
namespace MyDataFixtures;

use Doctrine\Common\Persistence\ObjectManager;
use Doctrine\Common\DataFixtures\FixtureInterface;

class UserFixtureLoader implements FixtureInterface
{
    public function load(ObjectManager $manager)
    {
        $user = new User();
        $user->setUsername('jwage');
        $user->setPassword('test');

        $manager->persist($user);
        $manager->flush();
    }
}
```

Now you can begin adding the fixtures to a loader instance:

```php
use Doctrine\Common\DataFixtures\Loader;
use MyDataFixtures\LoadUserData;

$loader = new Loader();
$loader->addFixture(new LoadUserData());
```

You can load a set of fixtures from a directory as well:

```php
$loader->loadFromDirectory('/path/to/MyDataFixtures');
```

Or you can load a set of fixtures from a file:

    $loader->loadFromFile('/path/to/MyDataFixtures/MyFixture1.php');

You can get the added fixtures using the getFixtures() method:

```php
$fixtures = $loader->getFixtures();
```

Now you can easily execute the fixtures:

```php
use Doctrine\Common\DataFixtures\Executor\ORMExecutor;
use Doctrine\Common\DataFixtures\Purger\ORMPurger;

$purger = new ORMPurger();
$executor = new ORMExecutor($em, $purger);
$executor->execute($loader->getFixtures());
```

If you want to append the fixtures instead of purging before loading then pass true
to the 2nd argument of execute:

```php
$executor->execute($loader->getFixtures(), true);
```

## Sharing objects between fixtures

In case if fixture objects have relations to other fixtures, it is now possible
to easily add a reference to that object by name and later reference it to form
a relation. Here is an example fixtures for **Role** and **User** relation

```php
namespace MyDataFixtures;

use Doctrine\Common\DataFixtures\AbstractFixture;
use Doctrine\Common\Persistence\ObjectManager;

class LoadUserRoleData extends AbstractFixture
{
    public function load(ObjectManager $manager)
    {
        $adminRole = new Role();
        $adminRole->setName('admin');

        $anonymousRole = new Role();
        $anonymousRole->setName('anonymous');

        $manager->persist($adminRole);
        $manager->persist($anonymousRole);
        $manager->flush();

        // store reference to admin role for User relation to Role
        $this->addReference('admin-role', $adminRole);
    }
}
```

And the **User** data loading fixture:

```php
namespace MyDataFixtures;

use Doctrine\Common\DataFixtures\AbstractFixture;
use Doctrine\Common\Persistence\ObjectManager;

class LoadUserData extends AbstractFixture
{
    public function load(ObjectManager $manager)
    {
        $user = new User();
        $user->setUsername('jwage');
        $user->setPassword('test');
        $user->setRole(
            $this->getReference('admin-role') // load the stored reference
        );

        $manager->persist($user);
        $manager->flush();

        // store reference of admin-user for other Fixtures
        $this->addReference('admin-user', $user);
    }
}
```

## Fixture ordering
**Notice** that the fixture loading order is important! To handle it manually
implement one of the following interfaces:

### OrderedFixtureInterface

Set the order manually:

```php
namespace MyDataFixtures;

use Doctrine\Common\DataFixtures\AbstractFixture;
use Doctrine\Common\DataFixtures\OrderedFixtureInterface;
use Doctrine\Common\Persistence\ObjectManager;

class MyFixture extends AbstractFixture implements OrderedFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getOrder()
    {
        return 10; // number in which order to load fixtures
    }
}
```

### DependentFixtureInterface

Provide an array of fixture class names:

```php
namespace MyDataFixtures;

use Doctrine\Common\DataFixtures\AbstractFixture;
use Doctrine\Common\DataFixtures\DependentFixtureInterface;
use Doctrine\Common\Persistence\ObjectManager;

class MyFixture extends AbstractFixture implements DependentFixtureInterface
{
    public function load(ObjectManager $manager)
    {}

    public function getDependencies()
    {
        return array('MyDataFixtures\MyOtherFixture'); // fixture classes fixture is dependent on
    }
}

class MyOtherFixture extends AbstractFixture
{
    public function load(ObjectManager $manager)
    {}
}
```

**Notice** the ordering is relevant to Loader class.

## Running the tests:

PHPUnit 3.5 or newer together with Mock_Object package is required.
To setup and run tests follow these steps:

- go to the root directory of data-fixtures
- run: **composer install --dev**
- copy the phpunit config **cp phpunit.xml.dist phpunit.xml**
- run: **phpunit**
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