* Jordi Boggiano * * 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\PlatformRepository; use Composer\Repository\ComposerRepository; use Composer\DependencyResolver\DefaultPolicy; use Composer\DependencyResolver\Pool; use Composer\DependencyResolver\Request; use Composer\DependencyResolver\Solver; use Composer\DependencyResolver\SolverProblemsException; use Composer\Package\Link; use Composer\Package\LinkConstraint\VersionConstraint; use Composer\Test\TestCase; class SolverTest 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; $this->request = new Request($this->pool); $this->policy = new DefaultPolicy; $this->solver = new Solver($this->policy, $this->pool, $this->repoInstalled); } public function testSolverInstallSingle() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), )); } public function testSolverInstallWithDeps() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '1.1')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); } public function testSolverInstallInstalled() { $this->repoInstalled->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array()); } public function testSolverInstallInstalledWithAlternative() { $this->repo->addPackage($this->getPackage('A', '1.0')); $this->repoInstalled->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array()); } public function testSolverRemoveSingle() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->remove('A'); $this->checkSolverResult(array( array('job' => 'remove', 'package' => $packageA), )); } public function testSolverRemoveUninstalled() { $this->repo->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->remove('A'); $this->checkSolverResult(array()); } public function testSolverUpdateDoesOnlyUpdate() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoInstalled->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '1.1')); $this->reposComplete(); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0.0.0'), 'requires'))); $this->request->install('A', new VersionConstraint('=', '1.0.0.0')); $this->request->install('B', new VersionConstraint('=', '1.1.0.0')); $this->request->update('A', new VersionConstraint('=', '1.0.0.0')); $this->request->update('B', new VersionConstraint('=', '1.0.0.0')); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageB, 'to' => $newPackageB), )); } public function testSolverUpdateSingle() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.1')); $this->reposComplete(); $this->request->update('A'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $newPackageA), )); } public function testSolverUpdateCurrent() { $this->repoInstalled->addPackage($this->getPackage('A', '1.0')); $this->repo->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->update('A'); $this->checkSolverResult(array()); } public function testSolverUpdateOnlyUpdatesSelectedPackage() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoInstalled->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageAnewer = $this->getPackage('A', '1.1')); $this->repo->addPackage($packageBnewer = $this->getPackage('B', '1.1')); $this->reposComplete(); $this->request->update('A'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $packageAnewer), )); } public function testSolverUpdateConstrained() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.2')); $this->repo->addPackage($this->getPackage('A', '2.0')); $this->reposComplete(); $this->request->install('A', new VersionConstraint('<', '2.0.0.0')); $this->request->update('A'); $this->checkSolverResult(array(array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ))); } public function testSolverUpdateFullyConstrained() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.2')); $this->repo->addPackage($this->getPackage('A', '2.0')); $this->reposComplete(); $this->request->install('A', new VersionConstraint('<', '2.0.0.0')); $this->request->update('A', new VersionConstraint('=', '1.0.0.0')); $this->checkSolverResult(array(array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ))); } public function testSolverUpdateFullyConstrainedPrunesInstalledPackages() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoInstalled->addPackage($this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.2')); $this->repo->addPackage($this->getPackage('A', '2.0')); $this->reposComplete(); $this->request->install('A', new VersionConstraint('<', '2.0.0.0')); $this->request->update('A', new VersionConstraint('=', '1.0.0.0')); $this->checkSolverResult(array(array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ))); } public function testSolverAllJobs() { $this->repoInstalled->addPackage($packageD = $this->getPackage('D', '1.0')); $this->repoInstalled->addPackage($oldPackageC = $this->getPackage('C', '1.0')); $this->repo->addPackage($packageA = $this->getPackage('A', '2.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '1.1')); $this->repo->addPackage($packageC = $this->getPackage('C', '1.1')); $this->repo->addPackage($this->getPackage('D', '1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->request->update('C'); $this->request->remove('D'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $oldPackageC, 'to' => $packageC), array('job' => 'install', 'package' => $packageB), array('job' => 'remove', 'package' => $packageD), array('job' => 'install', 'package' => $packageA), )); } public function testSolverThreeAlternativeRequireAndConflict() { $this->repo->addPackage($packageA = $this->getPackage('A', '2.0')); $this->repo->addPackage($middlePackageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '1.1')); $this->repo->addPackage($oldPackageB = $this->getPackage('B', '0.9')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('<', '1.1'), 'requires'))); $packageA->setConflicts(array(new Link('A', 'B', new VersionConstraint('<', '1.0'), 'conflicts'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $middlePackageB), array('job' => 'install', 'package' => $packageA), )); } public function testSolverObsolete() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageB->setReplaces(array(new Link('B', 'A', null))); $this->reposComplete(); $this->request->install('B'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $packageB), )); } public function testInstallOneOfTwoAlternatives() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), )); } public function testInstallProvider() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageQ = $this->getPackage('Q', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '0.8')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setProvides(array(new Link('Q', 'B', new VersionConstraint('=', '1.0'), 'provides'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageQ), array('job' => 'install', 'package' => $packageA), )); } public function testSkipReplacerOfExistingPackage() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageQ = $this->getPackage('Q', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array(new Link('Q', 'B', new VersionConstraint('>=', '1.0'), 'replaces'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); } public function testInstallReplacerOfMissingPackage() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageQ = $this->getPackage('Q', '1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array(new Link('Q', 'B', new VersionConstraint('>=', '1.0'), 'replaces'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageQ), array('job' => 'install', 'package' => $packageA), )); } public function testSkipReplacedPackageIfReplacerIsSelected() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageQ = $this->getPackage('Q', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array(new Link('Q', 'B', new VersionConstraint('>=', '1.0'), 'replaces'))); $this->reposComplete(); $this->request->install('A'); $this->request->install('Q'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageQ), array('job' => 'install', 'package' => $packageA), )); } public function testPickOlderIfNewerConflicts() { $this->repo->addPackage($packageX = $this->getPackage('X', '1.0')); $packageX->setRequires(array( new Link('X', 'A', new VersionConstraint('>=', '2.0.0.0'), 'requires'), new Link('X', 'B', new VersionConstraint('>=', '2.0.0.0'), 'requires'))); $this->repo->addPackage($packageA = $this->getPackage('A', '2.0.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '2.1.0')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '2.1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '2.0.0.0'), 'requires'))); // new package A depends on version of package B that does not exist // => new package A is not installable $newPackageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '2.2.0.0'), 'requires'))); // add a package S replacing both A and B, so that S and B or S and A cannot be simultaneously installed // but an alternative option for A and B both exists // this creates a more difficult so solve conflict $this->repo->addPackage($packageS = $this->getPackage('S', '2.0.0')); $packageS->setReplaces(array(new Link('S', 'A', new VersionConstraint('>=', '2.0.0.0'), 'replaces'), new Link('S', 'B', new VersionConstraint('>=', '2.0.0.0'), 'replaces'))); $this->reposComplete(); $this->request->install('X'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $newPackageB), array('job' => 'install', 'package' => $packageX), )); } public function testInstallCircularRequire() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB1 = $this->getPackage('B', '0.9')); $this->repo->addPackage($packageB2 = $this->getPackage('B', '1.1')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageB2->setRequires(array(new Link('B', 'A', new VersionConstraint('>=', '1.0'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB2), array('job' => 'install', 'package' => $packageA), )); } public function testInstallAlternativeWithCircularRequire() { $this->markTestIncomplete(); $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageC = $this->getPackage('C', '1.0')); $this->repo->addPackage($packageD = $this->getPackage('D', '1.0')); $packageA->setRequires(array(new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'))); $packageB->setRequires(array(new Link('B', 'Virtual', new VersionConstraint('>=', '1.0'), 'requires'))); $packageC->setRequires(array(new Link('C', 'Virtual', new VersionConstraint('==', '1.0'), 'provides'))); $packageD->setRequires(array(new Link('D', 'Virtual', new VersionConstraint('==', '1.0'), 'provides'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageC), array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); } /** * If a replacer D replaces B and C with C not otherwise available, * D must be installed instead of the original B. */ public function testUseReplacerIfNecessary() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageD = $this->getPackage('D', '1.0')); $this->repo->addPackage($packageD2 = $this->getPackage('D', '1.1')); $packageA->setRequires(array( new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'requires'), new Link('A', 'C', new VersionConstraint('>=', '1.0'), 'requires'), )); $packageD->setReplaces(array( new Link('D', 'B', new VersionConstraint('>=', '1.0'), 'replaces'), new Link('D', 'C', new VersionConstraint('>=', '1.0'), 'replaces'), )); $packageD2->setReplaces(array( new Link('D', 'B', new VersionConstraint('>=', '1.0'), 'replaces'), new Link('D', 'C', new VersionConstraint('>=', '1.0'), 'replaces'), )); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageD2), array('job' => 'install', 'package' => $packageA), )); } public function testConflictResultEmpty() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0'));; $packageA->setConflicts(array( new Link('A', 'B', new VersionConstraint('>=', '1.0'), 'conflicts'), )); $this->reposComplete(); $this->request->install('A'); $this->request->install('B'); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not resolve in exception.'); } catch (SolverProblemsException $e) { // @todo: assert problem properties } } public function testUnsatisfiableRequires() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageA->setRequires(array( new Link('A', 'B', new VersionConstraint('>=', '2.0'), 'requires'), )); $this->reposComplete(); $this->request->install('A'); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not resolve in exception.'); } catch (SolverProblemsException $e) { // @todo: assert problem properties } } protected function reposComplete() { $this->pool->addRepository($this->repoInstalled); $this->pool->addRepository($this->repo); } protected function checkSolverResult(array $expected) { $transaction = $this->solver->solve($this->request); $result = array(); foreach ($transaction as $operation) { if ('update' === $operation->getJobType()) { $result[] = array( 'job' => 'update', 'from' => $operation->getInitialPackage(), 'to' => $operation->getTargetPackage() ); } else { $job = ('uninstall' === $operation->getJobType() ? 'remove' : 'install'); $result[] = array( 'job' => $job, 'package' => $operation->getPackage() ); } } $this->assertEquals($expected, $result); } }