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Merge pull request #134 from naderman/master 

Test case for complex conflict resolution with replace priorities
pull/136/head
Jordi Boggiano 2011-11-26 16:04:50 -08:00
parent 20c3685b35 a0faa4f69f
commit 4c7162c94e
1 changed files with 34 additions and 0 deletions
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34
tests/Composer/Test/DependencyResolver/SolverTest.php
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@ -285,6 +285,40 @@ class SolverTest extends TestCase
));
}
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'));