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composer/tests/Composer/Test/DependencyResolver/DefaultPolicyTest.php

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PHP

<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Test\DependencyResolver;
use Composer\Repository\ArrayRepository;
use Composer\Repository\RepositoryInterface;
use Composer\DependencyResolver\DefaultPolicy;
use Composer\DependencyResolver\Pool;
use Composer\DependencyResolver\Literal;
use Composer\Package\Link;
use Composer\Package\LinkConstraint\VersionConstraint;
use Composer\Test\TestCase;
class DefaultPolicyTest extends TestCase
{
protected $pool;
protected $repo;
protected $repoInstalled;
protected $request;
protected $policy;
public function setUp()
{
$this->pool = new Pool;
$this->repo = new ArrayRepository;
$this->repoInstalled = new ArrayRepository;
$this->policy = new DefaultPolicy;
}
public function testSelectSingle()
{
$this->repo->addPackage($packageA = $this->getPackage('A', '1.0'));
$this->pool->addRepository($this->repo);
$literals = array(new Literal($packageA, true));
$expected = array(new Literal($packageA, true));
$selected = $this->policy->selectPreferedPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
public function testSelectNewest()
{
$this->repo->addPackage($packageA1 = $this->getPackage('A', '1.0'));
$this->repo->addPackage($packageA2 = $this->getPackage('A', '2.0'));
$this->pool->addRepository($this->repo);
$literals = array(new Literal($packageA1, true), new Literal($packageA2, true));
$expected = array(new Literal($packageA2, true));
$selected = $this->policy->selectPreferedPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
public function testSelectNewestOverInstalled()
{
$this->repo->addPackage($packageA = $this->getPackage('A', '2.0'));
$this->repoInstalled->addPackage($packageAInstalled = $this->getPackage('A', '1.0'));
$this->pool->addRepository($this->repoInstalled);
$this->pool->addRepository($this->repo);
$literals = array(new Literal($packageA, true), new Literal($packageAInstalled, true));
$expected = array(new Literal($packageA, true));
$selected = $this->policy->selectPreferedPackages($this->pool, $this->mapFromRepo($this->repoInstalled), $literals);
$this->assertEquals($expected, $selected);
}
public function testSelectLastRepo()
{
$this->repoImportant = new ArrayRepository;
$this->repo->addPackage($packageA = $this->getPackage('A', '1.0'));
$this->repoImportant->addPackage($packageAImportant = $this->getPackage('A', '1.0'));
$this->pool->addRepository($this->repoInstalled);
$this->pool->addRepository($this->repo);
$this->pool->addRepository($this->repoImportant);
$literals = array(new Literal($packageA, true), new Literal($packageAImportant, true));
$expected = array(new Literal($packageAImportant, true));
$selected = $this->policy->selectPreferedPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
public function testSelectAllProviders()
{
$this->repo->addPackage($packageA = $this->getPackage('A', '1.0'));
$this->repo->addPackage($packageB = $this->getPackage('B', '2.0'));
$packageA->setProvides(array(new Link('A', 'X', new VersionConstraint('==', '1.0'), 'provides')));
$packageB->setProvides(array(new Link('B', 'X', new VersionConstraint('==', '1.0'), 'provides')));
$this->pool->addRepository($this->repo);
$literals = array(new Literal($packageA, true), new Literal($packageB, true));
$expected = $literals;
$selected = $this->policy->selectPreferedPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
public function testPreferNonReplacingFromSameRepo()
{
$this->repo->addPackage($packageA = $this->getPackage('A', '1.0'));
$this->repo->addPackage($packageB = $this->getPackage('B', '2.0'));
$packageB->setReplaces(array(new Link('B', 'A', new VersionConstraint('==', '1.0'), 'replaces')));
$this->pool->addRepository($this->repo);
$literals = array(new Literal($packageA, true), new Literal($packageB, true));
$expected = array(new Literal($packageA, true), new Literal($packageB, true));
$selected = $this->policy->selectPreferedPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
protected function mapFromRepo(RepositoryInterface $repo)
{
$map = array();
foreach ($repo->getPackages() as $package) {
$map[$package->getId()] = true;
}
return $map;
}
}