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<?php

namespace Guzzle\Tests\Service\Command;

use Guzzle\Service\Command\Factory\CompositeFactory;

/**
 * @covers Guzzle\Service\Command\Factory\CompositeFactory
 */
class CompositeFactoryTest extends \Guzzle\Tests\GuzzleTestCase
{
    private function getFactory($class = 'Guzzle\\Service\\Command\\Factory\\MapFactory')
    {
        return $mock = $this->getMockBuilder($class)
            ->disableOriginalConstructor()
            ->getMock();
    }

    public function testIsIterable()
    {
        $factory = new CompositeFactory(array($this->getFactory(), $this->getFactory()));
        $this->assertEquals(2, count($factory));
        $this->assertEquals(2, count(iterator_to_array($factory->getIterator())));
    }

    public function testFindsFactories()
    {
        $f1 = $this->getFactory();
        $f2 = $this->getFactory('Guzzle\\Service\\Command\\Factory\\CompositeFactory');
        $factory = new CompositeFactory(array($f1, $f2));
        $this->assertNull($factory->find('foo'));
        $this->assertNull($factory->find($this->getFactory()));
        $this->assertSame($f1, $factory->find('Guzzle\\Service\\Command\\Factory\\MapFactory'));
        $this->assertSame($f2, $factory->find('Guzzle\\Service\\Command\\Factory\\CompositeFactory'));
        $this->assertSame($f1, $factory->find($f1));
        $this->assertSame($f2, $factory->find($f2));

        $this->assertFalse($factory->has('foo'));
        $this->assertTrue($factory->has('Guzzle\\Service\\Command\\Factory\\MapFactory'));
        $this->assertTrue($factory->has('Guzzle\\Service\\Command\\Factory\\CompositeFactory'));
    }

    public function testCreatesCommands()
    {
        $factory = new CompositeFactory();
        $this->assertNull($factory->factory('foo'));

        $f1 = $this->getFactory();
        $mockCommand1 = $this->getMockForAbstractClass('Guzzle\\Service\\Command\\AbstractCommand');

        $f1->expects($this->once())
           ->method('factory')
           ->with($this->equalTo('foo'))
           ->will($this->returnValue($mockCommand1));

        $factory = new CompositeFactory(array($f1));
        $this->assertSame($mockCommand1, $factory->factory('foo'));
    }

    public function testAllowsRemovalOfFactories()
    {
        $f1 = $this->getFactory();
        $f2 = $this->getFactory();
        $f3 = $this->getFactory('Guzzle\\Service\\Command\\Factory\\CompositeFactory');
        $factories = array($f1, $f2, $f3);
        $factory = new CompositeFactory($factories);

        $factory->remove('foo');
        $this->assertEquals($factories, $factory->getIterator()->getArrayCopy());

        $factory->remove($f1);
        $this->assertEquals(array($f2, $f3), $factory->getIterator()->getArrayCopy());

        $factory->remove('Guzzle\\Service\\Command\\Factory\\MapFactory');
        $this->assertEquals(array($f3), $factory->getIterator()->getArrayCopy());

        $factory->remove('Guzzle\\Service\\Command\\Factory\\CompositeFactory');
        $this->assertEquals(array(), $factory->getIterator()->getArrayCopy());

        $factory->remove('foo');
        $this->assertEquals(array(), $factory->getIterator()->getArrayCopy());
    }

    public function testAddsFactoriesBeforeAndAtEnd()
    {
        $f1 = $this->getFactory();
        $f2 = $this->getFactory();
        $f3 = $this->getFactory('Guzzle\\Service\\Command\\Factory\\CompositeFactory');
        $f4 = $this->getFactory();

        $factory = new CompositeFactory();

        $factory->add($f1);
        $this->assertEquals(array($f1), $factory->getIterator()->getArrayCopy());

        $factory->add($f2);
        $this->assertEquals(array($f1, $f2), $factory->getIterator()->getArrayCopy());

        $factory->add($f3, $f2);
        $this->assertEquals(array($f1, $f3, $f2), $factory->getIterator()->getArrayCopy());

        $factory->add($f4, 'Guzzle\\Service\\Command\\Factory\\CompositeFactory');
        $this->assertEquals(array($f1, $f4, $f3, $f2), $factory->getIterator()->getArrayCopy());
    }

    public function testProvidesDefaultChainForClients()
    {
        $client = $this->getMock('Guzzle\\Service\\Client');
        $chain = CompositeFactory::getDefaultChain($client);
        $a = $chain->getIterator()->getArrayCopy();
        $this->assertEquals(1, count($a));
        $this->assertInstanceOf('Guzzle\\Service\\Command\\Factory\\ConcreteClassFactory', $a[0]);

        $description = $this->getMock('Guzzle\\Service\\Description\\ServiceDescription');
        $client->expects($this->once())
               ->method('getDescription')
               ->will($this->returnValue($description));
        $chain = CompositeFactory::getDefaultChain($client);
        $a = $chain->getIterator()->getArrayCopy();
        $this->assertEquals(2, count($a));
        $this->assertInstanceOf('Guzzle\\Service\\Command\\Factory\\ServiceDescriptionFactory', $a[0]);
        $this->assertInstanceOf('Guzzle\\Service\\Command\\Factory\\ConcreteClassFactory', $a[1]);
    }
}