* 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\IO\NullIO; use Composer\Repository\ArrayRepository; 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\Repository\InstalledArrayRepository; use Composer\Repository\RepositorySet; use Composer\Test\TestCase; use Composer\Semver\Constraint\MultiConstraint; class SolverTest extends TestCase { protected $repoSet; protected $repo; protected $repoInstalled; protected $request; protected $policy; protected $solver; public function setUp() { $this->repoSet = new RepositorySet(array()); $this->repo = new ArrayRepository; $this->repoInstalled = new InstalledArrayRepository; $this->request = new Request($this->repoSet); $this->policy = new DefaultPolicy; } 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 testSolverRemoveIfNotInstalled() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->checkSolverResult(array( array('job' => 'remove', 'package' => $packageA), )); } public function testInstallNonExistingPackageFails() { $this->repo->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->install('B', $this->getVersionConstraint('==', '1')); $this->createSolver(); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not result in exception.'); } catch (SolverProblemsException $e) { $problems = $e->getProblems(); $this->assertCount(1, $problems); $this->assertEquals(2, $e->getCode()); $this->assertEquals("\n - The requested package b could not be found in any version, there may be a typo in the package name.", $problems[0]->getPrettyString()); } } public function testSolverInstallSamePackageFromDifferentRepositories() { $repo1 = new ArrayRepository; $repo2 = new ArrayRepository; $repo1->addPackage($foo1 = $this->getPackage('foo', '1')); $repo2->addPackage($foo2 = $this->getPackage('foo', '1')); $this->repoSet->addRepository($this->repoInstalled); $this->repoSet->addRepository($repo1); $this->repoSet->addRepository($repo2); $this->request->install('foo'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $foo1), )); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('<', '1.1'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); } public function testSolverInstallHonoursNotEqualOperator() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageB11 = $this->getPackage('B', '1.1')); $this->repo->addPackage($newPackageB12 = $this->getPackage('B', '1.2')); $this->repo->addPackage($newPackageB13 = $this->getPackage('B', '1.3')); $packageA->setRequires(array( 'b' => new Link('A', 'B', new MultiConstraint(array( $this->getVersionConstraint('<=', '1.3'), $this->getVersionConstraint('<>', '1.3'), $this->getVersionConstraint('!=', '1.2'), )), 'requires'), )); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $newPackageB11), array('job' => 'install', 'package' => $packageA), )); } public function testSolverInstallWithDepsInOrder() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageC = $this->getPackage('C', '1.0')); $packageB->setRequires(array( 'a' => new Link('B', 'A', $this->getVersionConstraint('>=', '1.0'), 'requires'), 'c' => new Link('B', 'C', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageC->setRequires(array( 'a' => new Link('C', 'A', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $this->reposComplete(); $this->request->install('A'); $this->request->install('B'); $this->request->install('C'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $packageC), array('job' => 'install', 'package' => $packageB), )); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0.0.0'), 'requires'))); $this->request->install('A', $this->getVersionConstraint('=', '1.0.0.0')); $this->request->install('B', $this->getVersionConstraint('=', '1.1.0.0')); $this->request->update('A', $this->getVersionConstraint('=', '1.0.0.0')); $this->request->update('B', $this->getVersionConstraint('=', '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->install('A'); $this->request->update('A'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $newPackageA), )); } public function testSolverUpdateAll() { $this->repoInstalled->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoInstalled->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.1')); $this->repo->addPackage($newPackageB = $this->getPackage('B', '1.1')); $packageA->setRequires(array('b' => new Link('A', 'B', null, 'requires'))); $newPackageA->setRequires(array('b' => new Link('A', 'B', null, 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->request->updateAll(); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageB, 'to' => $newPackageB), 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->install('A'); $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->install('A'); $this->request->install('B'); $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', $this->getVersionConstraint('<', '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', $this->getVersionConstraint('<', '2.0.0.0')); $this->request->update('A', $this->getVersionConstraint('=', '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')); $this->repoInstalled->addPackage($packageB = $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', $this->getVersionConstraint('<', '2.0.0.0')); $this->request->update('A', $this->getVersionConstraint('=', '1.0.0.0')); $this->checkSolverResult(array( array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ), array( 'job' => 'remove', 'package' => $packageB, ), )); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('<', '1.1'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->request->install('C'); $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' => 'install', 'package' => $packageA), array('job' => 'remove', 'package' => $packageD), )); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('<', '1.1'), 'requires'))); $packageA->setConflicts(array('b' => new Link('A', 'B', $this->getVersionConstraint('<', '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('a' => new Link('B', 'A', new MultiConstraint(array())))); $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')); $packageA->setRequires(array('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setProvides(array('b' => new Link('Q', 'B', $this->getVersionConstraint('=', '1.0'), 'provides'))); $this->reposComplete(); $this->request->install('A'); // must explicitly pick the provider, so error in this case $this->setExpectedException('Composer\DependencyResolver\SolverProblemsException'); $this->createSolver(); $this->solver->solve($this->request); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '1.0'), 'replaces'))); $this->reposComplete(); $this->request->install('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); } public function testNoInstallReplacerOfMissingPackage() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageQ = $this->getPackage('Q', '1.0')); $packageA->setRequires(array('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '1.0'), 'replaces'))); $this->reposComplete(); $this->request->install('A'); $this->setExpectedException('Composer\DependencyResolver\SolverProblemsException'); $this->createSolver(); $this->solver->solve($this->request); } 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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '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( 'a' => new Link('X', 'A', $this->getVersionConstraint('>=', '2.0.0.0'), 'requires'), 'b' => new Link('X', 'B', $this->getVersionConstraint('>=', '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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '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( 'a' => new Link('S', 'A', $this->getVersionConstraint('>=', '2.0.0.0'), 'replaces'), 'b' => new Link('S', 'B', $this->getVersionConstraint('>=', '2.0.0.0'), 'replaces'), )); $this->reposComplete(); $this->request->install('X'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $newPackageB), array('job' => 'install', 'package' => $packageA), 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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageB2->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('>=', '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() { $this->repo->addPackage($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('b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageB->setRequires(array('virtual' => new Link('B', 'Virtual', $this->getVersionConstraint('>=', '1.0'), 'requires'))); $packageC->setProvides(array('virtual' => new Link('C', 'Virtual', $this->getVersionConstraint('==', '1.0'), 'provides'))); $packageD->setProvides(array('virtual' => new Link('D', 'Virtual', $this->getVersionConstraint('==', '1.0'), 'provides'))); $packageC->setRequires(array('a' => new Link('C', 'A', $this->getVersionConstraint('==', '1.0'), 'requires'))); $packageD->setRequires(array('a' => new Link('D', 'A', $this->getVersionConstraint('==', '1.0'), 'requires'))); $this->reposComplete(); $this->request->install('A'); $this->request->install('C'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $packageC), array('job' => 'install', 'package' => $packageB), )); } /** * 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( 'b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'), 'c' => new Link('A', 'C', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageD->setReplaces(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '1.0'), 'replaces'), 'c' => new Link('D', 'C', $this->getVersionConstraint('>=', '1.0'), 'replaces'), )); $packageD2->setReplaces(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '1.0'), 'replaces'), 'c' => new Link('D', 'C', $this->getVersionConstraint('>=', '1.0'), 'replaces'), )); $this->reposComplete(); $this->request->install('A'); $this->request->install('D'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageD2), array('job' => 'install', 'package' => $packageA), )); } public function testIssue265() { $this->repo->addPackage($packageA1 = $this->getPackage('A', '2.0.999999-dev')); $this->repo->addPackage($packageA2 = $this->getPackage('A', '2.1-dev')); $this->repo->addPackage($packageA3 = $this->getPackage('A', '2.2-dev')); $this->repo->addPackage($packageB1 = $this->getPackage('B', '2.0.10')); $this->repo->addPackage($packageB2 = $this->getPackage('B', '2.0.9')); $this->repo->addPackage($packageC = $this->getPackage('C', '2.0-dev')); $this->repo->addPackage($packageD = $this->getPackage('D', '2.0.9')); $packageC->setRequires(array( 'a' => new Link('C', 'A', $this->getVersionConstraint('>=', '2.0'), 'requires'), 'd' => new Link('C', 'D', $this->getVersionConstraint('>=', '2.0'), 'requires'), )); $packageD->setRequires(array( 'a' => new Link('D', 'A', $this->getVersionConstraint('>=', '2.1'), 'requires'), 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '2.0-dev'), 'requires'), )); $packageB1->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('==', '2.1.0.0-dev'), 'requires'))); $packageB2->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('==', '2.1.0.0-dev'), 'requires'))); $packageB2->setReplaces(array('d' => new Link('B', 'D', $this->getVersionConstraint('==', '2.0.9.0'), 'replaces'))); $this->reposComplete(); $this->request->install('C', $this->getVersionConstraint('==', '2.0.0.0-dev')); $this->setExpectedException('Composer\DependencyResolver\SolverProblemsException'); $this->createSolver(); $this->solver->solve($this->request); } public function testConflictResultEmpty() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageA->setConflicts(array( 'b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'conflicts'), )); $this->reposComplete(); $this->request->install('A'); $this->request->install('B'); $this->createSolver(); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not result in exception.'); } catch (SolverProblemsException $e) { $problems = $e->getProblems(); $this->assertCount(1, $problems); $msg = "\n"; $msg .= " Problem 1\n"; $msg .= " - Installation request for a -> satisfiable by A[1.0].\n"; $msg .= " - B 1.0 conflicts with A[1.0].\n"; $msg .= " - Installation request for b -> satisfiable by B[1.0].\n"; $this->assertEquals($msg, $e->getMessage()); } } public function testUnsatisfiableRequires() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageA->setRequires(array( 'b' => new Link('A', 'B', $this->getVersionConstraint('>=', '2.0'), 'requires'), )); $this->reposComplete(); $this->request->install('A'); $this->createSolver(); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not result in exception.'); } catch (SolverProblemsException $e) { $problems = $e->getProblems(); $this->assertCount(1, $problems); // TODO assert problem properties $msg = "\n"; $msg .= " Problem 1\n"; $msg .= " - Installation request for a -> satisfiable by A[1.0].\n"; $msg .= " - A 1.0 requires b >= 2.0 -> no matching package found.\n\n"; $msg .= "Potential causes:\n"; $msg .= " - A typo in the package name\n"; $msg .= " - The package is not available in a stable-enough version according to your minimum-stability setting\n"; $msg .= " see for more details.\n"; $msg .= " - It's a private package and you forgot to add a custom repository to find it\n\n"; $msg .= "Read for further common problems."; $this->assertEquals($msg, $e->getMessage()); } } public function testRequireMismatchException() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageB2 = $this->getPackage('B', '0.9')); $this->repo->addPackage($packageC = $this->getPackage('C', '1.0')); $this->repo->addPackage($packageD = $this->getPackage('D', '1.0')); $packageA->setRequires(array( 'b' => new Link('A', 'B', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageB->setRequires(array( 'c' => new Link('B', 'C', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageC->setRequires(array( 'd' => new Link('C', 'D', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageD->setRequires(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('<', '1.0'), 'requires'), )); $this->reposComplete(); $this->request->install('A'); $this->createSolver(); try { $transaction = $this->solver->solve($this->request); $this->fail('Unsolvable conflict did not result in exception.'); } catch (SolverProblemsException $e) { $problems = $e->getProblems(); $this->assertCount(1, $problems); $msg = "\n"; $msg .= " Problem 1\n"; $msg .= " - C 1.0 requires d >= 1.0 -> satisfiable by D[1.0].\n"; $msg .= " - D 1.0 requires b < 1.0 -> satisfiable by B[0.9].\n"; $msg .= " - B 1.0 requires c >= 1.0 -> satisfiable by C[1.0].\n"; $msg .= " - Can only install one of: B[0.9, 1.0].\n"; $msg .= " - A 1.0 requires b >= 1.0 -> satisfiable by B[1.0].\n"; $msg .= " - Installation request for a -> satisfiable by A[1.0].\n"; $this->assertEquals($msg, $e->getMessage()); } } public function testLearnLiteralsWithSortedRuleLiterals() { $this->repo->addPackage($packageTwig2 = $this->getPackage('twig/twig', '2.0')); $this->repo->addPackage($packageTwig16 = $this->getPackage('twig/twig', '1.6')); $this->repo->addPackage($packageTwig15 = $this->getPackage('twig/twig', '1.5')); $this->repo->addPackage($packageSymfony = $this->getPackage('symfony/symfony', '2.0')); $this->repo->addPackage($packageTwigBridge = $this->getPackage('symfony/twig-bridge', '2.0')); $packageTwigBridge->setRequires(array( 'twig/twig' => new Link('symfony/twig-bridge', 'twig/twig', $this->getVersionConstraint('<', '2.0'), 'requires'), )); $packageSymfony->setReplaces(array( 'symfony/twig-bridge' => new Link('symfony/symfony', 'symfony/twig-bridge', $this->getVersionConstraint('==', '2.0'), 'replaces'), )); $this->reposComplete(); $this->request->install('symfony/twig-bridge'); $this->request->install('twig/twig'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageTwig16), array('job' => 'install', 'package' => $packageTwigBridge), )); } public function testInstallRecursiveAliasDependencies() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '2.0')); $this->repo->addPackage($packageA2 = $this->getPackage('A', '2.0')); $packageA2->setRequires(array( 'b' => new Link('A', 'B', $this->getVersionConstraint('==', '2.0'), 'requires', '== 2.0'), )); $packageB->setRequires(array( 'a' => new Link('B', 'A', $this->getVersionConstraint('>=', '2.0'), 'requires'), )); $this->repo->addPackage($packageA2Alias = $this->getAliasPackage($packageA2, '1.1')); $this->reposComplete(); $this->request->install('A', $this->getVersionConstraint('==', '1.1.0.0')); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA2), array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA2Alias), )); } public function testInstallDevAlias() { $this->repo->addPackage($packageA = $this->getPackage('A', '2.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageB->setRequires(array( 'a' => new Link('B', 'A', $this->getVersionConstraint('<', '2.0'), 'requires'), )); $this->repo->addPackage($packageAAlias = $this->getAliasPackage($packageA, '1.1')); $this->reposComplete(); $this->request->install('A', $this->getVersionConstraint('==', '2.0')); $this->request->install('B'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $packageAAlias), array('job' => 'install', 'package' => $packageB), )); } /** * Tests for a bug introduced in commit 451bab1c2cd58e05af6e21639b829408ad023463 Solver.php line 554/523 * * Every package and link in this test matters, only a combination this complex will run into the situation in which * a negatively decided literal will need to be learned inverted as a positive assertion. * * In particular in this case the goal is to first have the solver decide X 2.0 should not be installed to later * decide to learn that X 2.0 must be installed and revert decisions to retry solving with this new assumption. */ public function testLearnPositiveLiteral() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageC1 = $this->getPackage('C', '1.0')); $this->repo->addPackage($packageC2 = $this->getPackage('C', '2.0')); $this->repo->addPackage($packageD = $this->getPackage('D', '1.0')); $this->repo->addPackage($packageE = $this->getPackage('E', '1.0')); $this->repo->addPackage($packageF1 = $this->getPackage('F', '1.0')); $this->repo->addPackage($packageF2 = $this->getPackage('F', '2.0')); $this->repo->addPackage($packageG1 = $this->getPackage('G', '1.0')); $this->repo->addPackage($packageG2 = $this->getPackage('G', '2.0')); $this->repo->addPackage($packageG3 = $this->getPackage('G', '3.0')); $packageA->setRequires(array( 'b' => new Link('A', 'B', $this->getVersionConstraint('==', '1.0'), 'requires'), 'c' => new Link('A', 'C', $this->getVersionConstraint('>=', '1.0'), 'requires'), 'd' => new Link('A', 'D', $this->getVersionConstraint('==', '1.0'), 'requires'), )); $packageB->setRequires(array( 'e' => new Link('B', 'E', $this->getVersionConstraint('==', '1.0'), 'requires'), )); $packageC1->setRequires(array( 'f' => new Link('C', 'F', $this->getVersionConstraint('==', '1.0'), 'requires'), )); $packageC2->setRequires(array( 'f' => new Link('C', 'F', $this->getVersionConstraint('==', '1.0'), 'requires'), 'g' => new Link('C', 'G', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageD->setRequires(array( 'f' => new Link('D', 'F', $this->getVersionConstraint('>=', '1.0'), 'requires'), )); $packageE->setRequires(array( 'g' => new Link('E', 'G', $this->getVersionConstraint('<=', '2.0'), 'requires'), )); $this->reposComplete(); $this->request->install('A'); $this->createSolver(); // check correct setup for assertion later $this->assertFalse($this->solver->testFlagLearnedPositiveLiteral); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageF1), array('job' => 'install', 'package' => $packageD), array('job' => 'install', 'package' => $packageG2), array('job' => 'install', 'package' => $packageC2), array('job' => 'install', 'package' => $packageE), array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), )); // verify that the code path leading to a negative literal resulting in a positive learned literal is actually // executed $this->assertTrue($this->solver->testFlagLearnedPositiveLiteral); } protected function reposComplete() { $this->repoSet->addRepository($this->repoInstalled); $this->repoSet->addRepository($this->repo); } protected function createSolver() { $this->solver = new Solver($this->policy, $this->repoSet->createPool($this->request), $this->repoInstalled, new NullIO()); } protected function checkSolverResult(array $expected) { $this->createSolver(); $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); } }