* 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\Repository\LockArrayRepository; use Composer\DependencyResolver\DefaultPolicy; use Composer\DependencyResolver\Operation\InstallOperation; use Composer\DependencyResolver\Operation\MarkAliasInstalledOperation; use Composer\DependencyResolver\Operation\MarkAliasUninstalledOperation; use Composer\DependencyResolver\Operation\UninstallOperation; use Composer\DependencyResolver\Operation\UpdateOperation; use Composer\DependencyResolver\Request; use Composer\DependencyResolver\Solver; use Composer\DependencyResolver\SolverProblemsException; use Composer\Package\Link; use Composer\Repository\RepositorySet; use Composer\Test\TestCase; use Composer\Semver\Constraint\MultiConstraint; use Composer\Semver\Constraint\MatchAllConstraint; use Composer\DependencyResolver\Pool; class SolverTest extends TestCase { /** @var RepositorySet */ protected $repoSet; /** @var ArrayRepository */ protected $repo; /** @var LockArrayRepository */ protected $repoLocked; /** @var Request */ protected $request; /** @var DefaultPolicy */ protected $policy; /** @var Solver|null */ protected $solver; /** @var Pool */ protected $pool; public function setUp() { $this->repoSet = new RepositorySet(); $this->repo = new ArrayRepository; $this->repoLocked = new LockArrayRepository; $this->request = new Request($this->repoLocked); $this->policy = new DefaultPolicy; } public function testSolverInstallSingle() { $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->requireName('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), )); } public function testSolverRemoveIfNotRequested() { $this->repoLocked->addPackage($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->requireName('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 - Root composer.json requires b, it could not be found in any version, there may be a typo in the package name.", $problems[0]->getPrettyString($this->repoSet, $this->request, $this->pool, false)); } } public function testSolverInstallSamePackageFromDifferentRepositories() { $repo1 = new ArrayRepository; $repo2 = new ArrayRepository; $repo1->addPackage($foo1 = $this->getPackage('foo', '1')); $repo2->addPackage($foo2 = $this->getPackage('foo', '1')); $this->repoSet->addRepository($repo1); $this->repoSet->addRepository($repo2); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $this->reposComplete(); $this->request->requireName('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'), )), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE), 'c' => new Link('B', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageC->setRequires(array( 'a' => new Link('C', 'A', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('A'); $this->request->requireName('B'); $this->request->requireName('C'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $packageC), array('job' => 'install', 'package' => $packageB), )); } /** * This test covers a particular behavior of the solver related to packages with the same name and version, * but different requirements on other packages. * Imagine you had multiple instances of packages (same name/version) with e.g. different dists depending on what other related package they were "built" for. * * An example people can probably relate to, so it was chosen here for better readability: * - PHP versions 8.0.10 and 7.4.23 could be a package * - ext-foobar 1.0.0 could be a package, but it must be built separately for each PHP x.y series * - thus each of the ext-foobar packages lists the "PHP" package as a dependency * * This is not something that can happen with packages on e.g. Packagist, but custom installers with custom repositories might do something like this; * in fact, some PaaSes do the exact thing above, installing binary builds of PHP and extensions as Composer packages with a custom installer in a separate step before the "userland" `composer install`. * * If version selectors are sufficiently permissive (e.g. "ourcustom/php":"*", "ourcustom/ext-foobar":"*"), then it may happen that the Solver won't pick the highest possible PHP version, as it has already settled on an "ext-foobar" (they're all the same version to the Solver, it doesn't know about the different requirements in each of the otherwise identical packages) if that was listed in "require" before "php". * That's "unfixable", and not even broken, behavior (what if the "ext-foobar" has higher versions for the lower "PHP"? who wins then? any combination of the packages is "correct"), but it shouldn't randomly change. * This test asserts this behavior to prevent regressions. * * CAUTION: IF THIS TEST EVER FAILS, SOLVER BEHAVIOR HAS CHANGED AND MAY BREAK DOWNSTREAM USERS */ public function testSolverMultiPackageNameVersionResolutionDependsOnRequireOrder() { $this->repo->addPackage($php74 = $this->getPackage('ourcustom/PHP', '7.4.23')); $this->repo->addPackage($php80 = $this->getPackage('ourcustom/PHP', '8.0.10')); $this->repo->addPackage($extForPhp74 = $this->getPackage('ourcustom/ext-foobar', '1.0')); $this->repo->addPackage($extForPhp80 = $this->getPackage('ourcustom/ext-foobar', '1.0')); $extForPhp74->setRequires(array( 'php' => new Link('ourcustom/ext-foobar', 'ourcustom/PHP', new MultiConstraint(array( $this->getVersionConstraint('>=', '7.4.0'), $this->getVersionConstraint('<', '7.5.0'), )), Link::TYPE_REQUIRE), )); $extForPhp80->setRequires(array( 'php' => new Link('ourcustom/ext-foobar', 'ourcustom/PHP', new MultiConstraint(array( $this->getVersionConstraint('>=', '8.0.0'), $this->getVersionConstraint('<', '8.1.0'), )), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('ourcustom/PHP'); $this->request->requireName('ourcustom/ext-foobar'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $php80), array('job' => 'install', 'package' => $extForPhp80), )); // now we flip the requirements around: we request "ext-foobar" before "php" // because the ext-foobar package that requires php74 comes first in the repo, and the one that requires php80 second, the solver will pick the one for php74, and then, as it is a dependency, also php74 // this is because both packages have the same name and version; just their requirements differ // and because no other constraint forces a particular version of package "php" $this->request = new Request($this->repoLocked); $this->request->requireName('ourcustom/ext-foobar'); $this->request->requireName('ourcustom/PHP'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $php74), array('job' => 'install', 'package' => $extForPhp74), )); } /** * This test is almost the same as above, except we're inserting the package with the requirement on the other package in a different order, asserting that if that is done, the order of requirements no longer matters * * CAUTION: IF THIS TEST EVER FAILS, SOLVER BEHAVIOR HAS CHANGED AND MAY BREAK DOWNSTREAM USERS */ public function testSolverMultiPackageNameVersionResolutionIsIndependentOfRequireOrderIfOrderedDescendingByRequirement() { $this->repo->addPackage($php74 = $this->getPackage('ourcustom/PHP', '7.4')); $this->repo->addPackage($php80 = $this->getPackage('ourcustom/PHP', '8.0')); $this->repo->addPackage($extForPhp80 = $this->getPackage('ourcustom/ext-foobar', '1.0')); // note we are inserting this one into the repo first, unlike in the previous test $this->repo->addPackage($extForPhp74 = $this->getPackage('ourcustom/ext-foobar', '1.0')); $extForPhp80->setRequires(array( 'php' => new Link('ourcustom/ext-foobar', 'ourcustom/PHP', new MultiConstraint(array( $this->getVersionConstraint('>=', '8.0.0'), $this->getVersionConstraint('<', '8.1.0'), )), Link::TYPE_REQUIRE), )); $extForPhp74->setRequires(array( 'php' => new Link('ourcustom/ext-foobar', 'ourcustom/PHP', new MultiConstraint(array( $this->getVersionConstraint('>=', '7.4.0'), $this->getVersionConstraint('<', '7.5.0'), )), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('ourcustom/PHP'); $this->request->requireName('ourcustom/ext-foobar'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $php80), array('job' => 'install', 'package' => $extForPhp80), )); // unlike in the previous test, the order of requirements no longer matters now $this->request = new Request($this->repoLocked); $this->request->requireName('ourcustom/ext-foobar'); $this->request->requireName('ourcustom/PHP'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $php80), array('job' => 'install', 'package' => $extForPhp80), )); } public function testSolverFixLocked() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->fixPackage($packageA); $this->checkSolverResult(array()); } public function testSolverFixLockedWithAlternative() { $this->repo->addPackage($this->getPackage('A', '1.0')); $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->fixPackage($packageA); $this->checkSolverResult(array()); } public function testSolverUpdateDoesOnlyUpdate() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoLocked->addPackage($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'), Link::TYPE_REQUIRE))); $this->request->fixPackage($packageA); $this->request->requireName('B', $this->getVersionConstraint('=', '1.1.0.0')); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageB, 'to' => $newPackageB), )); } public function testSolverUpdateSingle() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($newPackageA = $this->getPackage('A', '1.1')); $this->reposComplete(); $this->request->requireName('A'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $newPackageA), )); } public function testSolverUpdateAll() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoLocked->addPackage($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', new MatchAllConstraint(), Link::TYPE_REQUIRE))); $newPackageA->setRequires(array('b' => new Link('A', 'B', new MatchAllConstraint(), Link::TYPE_REQUIRE))); $this->reposComplete(); $this->request->requireName('A'); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageB, 'to' => $newPackageB), array('job' => 'update', 'from' => $packageA, 'to' => $newPackageA), )); } public function testSolverUpdateCurrent() { $this->repoLocked->addPackage($this->getPackage('A', '1.0')); $this->repo->addPackage($this->getPackage('A', '1.0')); $this->reposComplete(); $this->request->requireName('A'); $this->checkSolverResult(array()); } public function testSolverUpdateOnlyUpdatesSelectedPackage() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoLocked->addPackage($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->requireName('A'); $this->request->fixPackage($packageB); $this->checkSolverResult(array( array('job' => 'update', 'from' => $packageA, 'to' => $packageAnewer), )); } public function testSolverUpdateConstrained() { $this->repoLocked->addPackage($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->requireName('A', $this->getVersionConstraint('<', '2.0.0.0')); $this->checkSolverResult(array(array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ))); } public function testSolverUpdateFullyConstrained() { $this->repoLocked->addPackage($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->requireName('A', $this->getVersionConstraint('<', '2.0.0.0')); $this->checkSolverResult(array(array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ))); } public function testSolverUpdateFullyConstrainedPrunesInstalledPackages() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repoLocked->addPackage($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->requireName('A', $this->getVersionConstraint('<', '2.0.0.0')); $this->checkSolverResult(array( array( 'job' => 'remove', 'package' => $packageB, ), array( 'job' => 'update', 'from' => $packageA, 'to' => $newPackageA, ), )); } public function testSolverAllJobs() { $this->repoLocked->addPackage($packageD = $this->getPackage('D', '1.0')); $this->repoLocked->addPackage($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'), Link::TYPE_REQUIRE))); $this->reposComplete(); $this->request->requireName('A'); $this->request->requireName('C'); $this->checkSolverResult(array( array('job' => 'remove', 'package' => $packageD), array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), array('job' => 'update', 'from' => $oldPackageC, 'to' => $packageC), )); } 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'), Link::TYPE_REQUIRE))); $packageA->setConflicts(array('b' => new Link('A', 'B', $this->getVersionConstraint('<', '1.0'), Link::TYPE_CONFLICT))); $this->reposComplete(); $this->request->requireName('A'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $middlePackageB), array('job' => 'install', 'package' => $packageA), )); } public function testSolverObsolete() { $this->repoLocked->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $packageB->setReplaces(array('a' => new Link('B', 'A', new MatchAllConstraint()))); $this->reposComplete(); $this->request->requireName('B'); $this->checkSolverResult(array( array('job' => 'remove', 'package' => $packageA), array('job' => 'install', 'package' => $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->requireName('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'), Link::TYPE_REQUIRE))); $packageQ->setProvides(array('b' => new Link('Q', 'B', $this->getVersionConstraint('=', '1.0'), Link::TYPE_PROVIDE))); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE))); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE))); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $packageQ->setReplaces(array('b' => new Link('Q', 'B', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE))); $this->reposComplete(); $this->request->requireName('A'); $this->request->requireName('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'), Link::TYPE_REQUIRE), 'b' => new Link('X', 'B', $this->getVersionConstraint('>=', '2.0.0.0'), Link::TYPE_REQUIRE), )); $this->repo->addPackage($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'), Link::TYPE_REQUIRE))); // 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'), Link::TYPE_REQUIRE))); // 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'), Link::TYPE_REPLACE), 'b' => new Link('S', 'B', $this->getVersionConstraint('>=', '2.0.0.0'), Link::TYPE_REPLACE), )); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $packageB2->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE))); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_REQUIRE))); $packageB->setRequires(array('virtual' => new Link('B', 'Virtual', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE))); $packageC->setProvides(array('virtual' => new Link('C', 'Virtual', $this->getVersionConstraint('==', '1.0'), Link::TYPE_PROVIDE))); $packageD->setProvides(array('virtual' => new Link('D', 'Virtual', $this->getVersionConstraint('==', '1.0'), Link::TYPE_PROVIDE))); $packageC->setRequires(array('a' => new Link('C', 'A', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE))); $packageD->setRequires(array('a' => new Link('D', 'A', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE))); $this->reposComplete(); $this->request->requireName('A'); $this->request->requireName('C'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA), array('job' => 'install', 'package' => $packageC), )); } /** * 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'), Link::TYPE_REQUIRE), 'c' => new Link('A', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageD->setReplaces(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE), 'c' => new Link('D', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE), )); $packageD2->setReplaces(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE), 'c' => new Link('D', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REPLACE), )); $this->reposComplete(); $this->request->requireName('A'); $this->request->requireName('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'), Link::TYPE_REQUIRE), 'd' => new Link('C', 'D', $this->getVersionConstraint('>=', '2.0'), Link::TYPE_REQUIRE), )); $packageD->setRequires(array( 'a' => new Link('D', 'A', $this->getVersionConstraint('>=', '2.1'), Link::TYPE_REQUIRE), 'b' => new Link('D', 'B', $this->getVersionConstraint('>=', '2.0-dev'), Link::TYPE_REQUIRE), )); $packageB1->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('==', '2.1.0.0-dev'), Link::TYPE_REQUIRE))); $packageB2->setRequires(array('a' => new Link('B', 'A', $this->getVersionConstraint('==', '2.1.0.0-dev'), Link::TYPE_REQUIRE))); $packageB2->setReplaces(array('d' => new Link('B', 'D', $this->getVersionConstraint('==', '2.0.9.0'), Link::TYPE_REPLACE))); $this->reposComplete(); $this->request->requireName('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'), Link::TYPE_CONFLICT), )); $this->reposComplete(); $emptyConstraint = new MatchAllConstraint(); $emptyConstraint->setPrettyString('*'); $this->request->requireName('A', $emptyConstraint); $this->request->requireName('B', $emptyConstraint); $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 .= " - Root composer.json requires a * -> satisfiable by A[1.0].\n"; $msg .= " - A 1.0 conflicts with B 1.0.\n"; $msg .= " - Root composer.json requires b * -> satisfiable by B[1.0].\n"; $this->assertEquals($msg, $e->getPrettyString($this->repoSet, $this->request, $this->pool, false)); } } 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'), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('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 .= " - Root composer.json requires a * -> satisfiable by A[1.0].\n"; $msg .= " - A 1.0 requires b >= 2.0 -> found B[1.0] but it does not match the constraint.\n"; $this->assertEquals($msg, $e->getPrettyString($this->repoSet, $this->request, $this->pool, false)); } } 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'), Link::TYPE_REQUIRE), )); $packageB->setRequires(array( 'c' => new Link('B', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageC->setRequires(array( 'd' => new Link('C', 'D', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageD->setRequires(array( 'b' => new Link('D', 'B', $this->getVersionConstraint('<', '1.0'), Link::TYPE_REQUIRE), )); $this->reposComplete(); $emptyConstraint = new MatchAllConstraint(); $emptyConstraint->setPrettyString('*'); $this->request->requireName('A', $emptyConstraint); $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 .= " - You can only install one version of a package, so only one of these can be installed: B[0.9, 1.0].\n"; $msg .= " - A 1.0 requires b >= 1.0 -> satisfiable by B[1.0].\n"; $msg .= " - Root composer.json requires a * -> satisfiable by A[1.0].\n"; $this->assertEquals($msg, $e->getPrettyString($this->repoSet, $this->request, $this->pool, false)); } } 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'), Link::TYPE_REQUIRE), )); $packageSymfony->setReplaces(array( 'symfony/twig-bridge' => new Link('symfony/symfony', 'symfony/twig-bridge', $this->getVersionConstraint('==', '2.0'), Link::TYPE_REPLACE), )); $this->reposComplete(); $this->request->requireName('symfony/twig-bridge'); $this->request->requireName('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'), Link::TYPE_REQUIRE, '== 2.0'), )); $packageB->setRequires(array( 'a' => new Link('B', 'A', $this->getVersionConstraint('>=', '2.0'), Link::TYPE_REQUIRE), )); $this->repo->addPackage($packageA2Alias = $this->getAliasPackage($packageA2, '1.1')); $this->reposComplete(); $this->request->requireName('A', $this->getVersionConstraint('==', '1.1.0.0')); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageB), array('job' => 'install', 'package' => $packageA2), array('job' => 'markAliasInstalled', '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'), Link::TYPE_REQUIRE), )); $this->repo->addPackage($packageAAlias = $this->getAliasPackage($packageA, '1.1')); $this->reposComplete(); $this->request->requireName('A', $this->getVersionConstraint('==', '2.0')); $this->request->requireName('B'); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'markAliasInstalled', 'package' => $packageAAlias), array('job' => 'install', 'package' => $packageB), )); } public function testInstallRootAliasesIfAliasOfIsInstalled() { // root aliased, required $this->repo->addPackage($packageA = $this->getPackage('A', '1.0')); $this->repo->addPackage($packageAAlias = $this->getAliasPackage($packageA, '1.1')); $packageAAlias->setRootPackageAlias(true); // root aliased, not required, should still be installed as it is root alias $this->repo->addPackage($packageB = $this->getPackage('B', '1.0')); $this->repo->addPackage($packageBAlias = $this->getAliasPackage($packageB, '1.1')); $packageBAlias->setRootPackageAlias(true); // regular alias, not required, alias should not be installed $this->repo->addPackage($packageC = $this->getPackage('C', '1.0')); $this->repo->addPackage($packageCAlias = $this->getAliasPackage($packageC, '1.1')); $this->reposComplete(); $this->request->requireName('A', $this->getVersionConstraint('==', '1.1')); $this->request->requireName('B', $this->getVersionConstraint('==', '1.0')); $this->request->requireName('C', $this->getVersionConstraint('==', '1.0')); $this->checkSolverResult(array( array('job' => 'install', 'package' => $packageA), array('job' => 'markAliasInstalled', 'package' => $packageAAlias), array('job' => 'install', 'package' => $packageB), array('job' => 'markAliasInstalled', 'package' => $packageBAlias), array('job' => 'install', 'package' => $packageC), array('job' => 'markAliasInstalled', 'package' => $packageCAlias), )); } /** * 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'), Link::TYPE_REQUIRE), 'c' => new Link('A', 'C', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), 'd' => new Link('A', 'D', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE), )); $packageB->setRequires(array( 'e' => new Link('B', 'E', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE), )); $packageC1->setRequires(array( 'f' => new Link('C', 'F', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE), )); $packageC2->setRequires(array( 'f' => new Link('C', 'F', $this->getVersionConstraint('==', '1.0'), Link::TYPE_REQUIRE), 'g' => new Link('C', 'G', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageD->setRequires(array( 'f' => new Link('D', 'F', $this->getVersionConstraint('>=', '1.0'), Link::TYPE_REQUIRE), )); $packageE->setRequires(array( 'g' => new Link('E', 'G', $this->getVersionConstraint('<=', '2.0'), Link::TYPE_REQUIRE), )); $this->reposComplete(); $this->request->requireName('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->repo); $this->repoSet->addRepository($this->repoLocked); } protected function createSolver() { $io = new NullIO(); $this->pool = $this->repoSet->createPool($this->request, $io); $this->solver = new Solver($this->policy, $this->pool, $io); } protected function checkSolverResult(array $expected) { $this->createSolver(); $transaction = $this->solver->solve($this->request); $result = array(); foreach ($transaction->getOperations() as $operation) { if ($operation instanceof UpdateOperation) { $result[] = array( 'job' => 'update', 'from' => $operation->getInitialPackage(), 'to' => $operation->getTargetPackage(), ); } elseif ($operation instanceof MarkAliasInstalledOperation || $operation instanceof MarkAliasUninstalledOperation) { $result[] = array( 'job' => $operation->getOperationType(), 'package' => $operation->getPackage(), ); } elseif ($operation instanceof UninstallOperation || $operation instanceof InstallOperation) { $job = ('uninstall' === $operation->getOperationType() ? 'remove' : 'install'); $result[] = array( 'job' => $job, 'package' => $operation->getPackage(), ); } else { throw new \LogicException('Unexpected operation: '.get_class($operation)); } } $expectedReadable = array(); foreach ($expected as $op) { $expectedReadable[] = array_map('strval', $op); } $resultReadable = array(); foreach ($result as $op) { $resultReadable[] = array_map('strval', $op); } $this->assertEquals($expectedReadable, $resultReadable); $this->assertEquals($expected, $result); } }