/**
* finds a package by name and version if provided
*
* @param RepositoryInterface $installedRepo
* @param RepositoryInterface $repos
* @param string $name
* @param ConstraintInterface|string $version
* @throws \InvalidArgumentException
* @return array array(CompletePackageInterface, array of versions)
*/
protected function getPackage(RepositoryInterface $installedRepo, RepositoryInterface $repos, $name, $version = null)
{
$name = strtolower($name);
$constraint = is_string($version) ? $this->versionParser->parseConstraints($version) : $version;
$policy = new DefaultPolicy();
$pool = new Pool('dev');
$pool->addRepository($repos);
$matchedPackage = null;
$versions = array();
$matches = $pool->whatProvides($name, $constraint);
foreach ($matches as $index => $package) {
// skip providers/replacers
if ($package->getName() !== $name) {
unset($matches[$index]);
continue;
}
// select an exact match if it is in the installed repo and no specific version was required
if (null === $version && $installedRepo->hasPackage($package)) {
$matchedPackage = $package;
}
$versions[$package->getPrettyVersion()] = $package->getVersion();
$matches[$index] = $package->getId();
}
// select preferred package according to policy rules
if (!$matchedPackage && $matches && ($preferred = $policy->selectPreferredPackages($pool, array(), $matches))) {
$matchedPackage = $pool->literalToPackage($preferred[0]);
}
return array($matchedPackage, $versions);
}
public function testSelectLowest()
{
$policy = new DefaultPolicy(false, true);
$this->repo->addPackage($packageA1 = $this->getPackage('A', '1.0'));
$this->repo->addPackage($packageA2 = $this->getPackage('A', '2.0'));
$this->pool->addRepository($this->repo);
$literals = array($packageA1->getId(), $packageA2->getId());
$expected = array($packageA1->getId());
$selected = $policy->selectPreferredPackages($this->pool, array(), $literals);
$this->assertEquals($expected, $selected);
}
/**
* Finds a package by name and version if provided.
*
* @param RepositoryInterface $installedRepo
* @param RepositoryInterface $repos
* @param string $name
* @param string|null $version
*
* @throws \InvalidArgumentException
*
* @return array [CompletePackageInterface, array of versions]
*/
protected function getPackage(RepositoryInterface $installedRepo, RepositoryInterface $repos, $name, $version = null)
{
$name = strtolower($name);
$constraint = null;
if ($version !== null) {
$constraint = $this->versionParser->parseConstraints($version);
}
$policy = new DefaultPolicy();
$pool = new Pool('dev');
$pool->addRepository($repos);
$matchedPackage = null;
$versions = [];
$matches = $pool->whatProvides($name, $constraint);
foreach ($matches as $index => $package) {
// Skip providers/replacers.
if ($package->getName() !== $name) {
unset($matches[$index]);
continue;
}
// Select an exact match if it is in the installed repo and no specific version was required.
if ($version === null && $installedRepo->hasPackage($package)) {
$matchedPackage = $package;
}
$versions[$package->getPrettyVersion()] = $package->getVersion();
$matches[$index] = $package->getId();
}
// Select prefered package according to policy rules.
if (!$matchedPackage && !empty($matches) && ($prefered = $policy->selectPreferredPackages($pool, [], $matches))) {
$matchedPackage = $pool->literalToPackage($prefered[0]);
}
// If we have package result, return them.
if ($matchedPackage) {
return [$matchedPackage->getName() => ['package' => $matchedPackage, 'versions' => $versions]];
}
return null;
}
