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Extract MetadataMinifier util

pull/8531/head
Jordi Boggiano 2020-01-15 12:58:30 +01:00
parent 4a7d42604f
commit 30b6a41035
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GPG Key ID: 7BBD42C429EC80BC
3 changed files with 125 additions and 24 deletions
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26
src/Composer/Repository/ComposerRepository.php
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@ -32,6 +32,7 @@ use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Constraint\Constraint;
use Composer\Semver\Constraint\EmptyConstraint;
use Composer\Util\Http\Response;
use Composer\Util\MetadataMinifier;
/**
* @author Jordi Boggiano <j.boggiano@seld.be>
@ -631,30 +632,7 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
$versions = $response['packages'][$realName];
if (isset($response['minified']) && $response['minified'] === 'composer/2.0') {
// TODO extract in other method
$expanded = array();
$expandedVersion = null;
foreach ($versions as $versionData) {
if (!$expandedVersion) {
$expandedVersion = $versionData;
$expanded[] = $expandedVersion;
continue;
}
// add any changes from the previous version to the expanded one
foreach ($versionData as $key => $val) {
if ($val === '__unset') {
unset($expandedVersion[$key]);
} else {
$expandedVersion[$key] = $val;
}
}
$expanded[] = $expandedVersion;
}
$versions = $expanded;
unset($expanded, $expandedVersion, $versionData);
$versions = MetadataMinifier::expand($versions);
}
$versionsToLoad = array();

78
src/Composer/Util/MetadataMinifier.php Normal file
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@ -0,0 +1,78 @@
<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Util;
class MetadataMinifier
{
public static function expand(array $versions)
{
$expanded = array();
$expandedVersion = null;
foreach ($versions as $versionData) {
if (!$expandedVersion) {
$expandedVersion = $versionData;
$expanded[] = $expandedVersion;
continue;
}
// add any changes from the previous version to the expanded one
foreach ($versionData as $key => $val) {
if ($val === '__unset') {
unset($expandedVersion[$key]);
} else {
$expandedVersion[$key] = $val;
}
}
$expanded[] = $expandedVersion;
}
return $expanded;
}
public static function minify(array $versions)
{
$minifiedVersions = array();
$lastKnownVersionData = null;
foreach ($versions as $version) {
if (!$lastKnownVersionData) {
$lastKnownVersionData = $version;
$minifiedVersions[] = $version;
continue;
}
$minifiedVersion = [];
// add any changes from the previous version
foreach ($version as $key => $val) {
if (!isset($lastKnownVersionData[$key]) || $lastKnownVersionData[$key] !== $val) {
$minifiedVersion[$key] = $val;
$lastKnownVersionData[$key] = $val;
}
}
// store any deletions from the previous version for keys missing in current one
foreach ($lastKnownVersionData as $key => $val) {
if (!isset($version[$key])) {
$minifiedVersion[$key] = "__unset";
unset($lastKnownVersionData[$key]);
}
}
$minifiedVersions[] = $minifiedVersion;
}
return $minifiedVersions;
}
}

45
tests/Composer/Test/Util/MetadataMinifierTest.php Normal file
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@ -0,0 +1,45 @@
<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Test\Util;
use Composer\Util\MetadataMinifier;
use Composer\Package\CompletePackage;
use Composer\Package\Dumper\ArrayDumper;
use PHPUnit\Framework\TestCase;
class MetadataMinifierTest extends TestCase
{
public function testMinifyExpand()
{
$package1 = new CompletePackage('foo/bar', '2.0.0.0', '2.0.0');
$package1->setScripts(array('foo' => 'bar'));
$package1->setLicense(array('MIT'));
$package2 = new CompletePackage('foo/bar', '1.2.0.0', '1.2.0');
$package2->setLicense(array('GPL'));
$package2->setHomepage('https://example.org');
$package3 = new CompletePackage('foo/bar', '1.0.0.0', '1.0.0');
$package3->setLicense(array('GPL'));
$dumper = new ArrayDumper();
$minified = array(
array('name' => 'foo/bar', 'version' => '2.0.0', 'version_normalized' => '2.0.0.0', 'type' => 'library', 'scripts' => array('foo' => 'bar'), 'license' => array('MIT')),
array('version' => '1.2.0', 'version_normalized' => '1.2.0.0', 'license' => array('GPL'), 'homepage' => 'https://example.org', 'scripts' => '__unset'),
array('version' => '1.0.0', 'version_normalized' => '1.0.0.0', 'homepage' => '__unset'),
);
$source = array($dumper->dump($package1), $dumper->dump($package2), $dumper->dump($package3));
$this->assertSame($minified, MetadataMinifier::minify($source));
$this->assertSame($source, MetadataMinifier::expand($minified));
}
}