Merge remote-tracking branch 'upstream/master' into svn-auth-reloaded
till
12 years ago
commit
c6566825ad
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\DependencyResolver;
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/**
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* Represents a problem detected while solving dependencies
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*
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* @author Nils Adermann <naderman@naderman.de>
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*/
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class Problem
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{
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/**
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* A set of reasons for the problem, each is a rule or a job and a rule
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* @var array
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*/
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protected $reasons;
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/**
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* Add a job as a reason
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*
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* @param array $job A job descriptor which is a reason for this problem
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* @param Rule $rule An optional rule associated with the job
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*/
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public function addJobRule($job, Rule $rule = null)
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{
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$this->addReason(serialize($job), array(
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'rule' => $rule,
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'job' => $job,
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));
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}
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/**
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* Add a rule as a reason
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*
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* @param Rule $rule A rule which is a reason for this problem
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*/
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public function addRule(Rule $rule)
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{
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$this->addReason($rule->getId(), array(
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'rule' => $rule,
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'job' => null,
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));
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}
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/**
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* Retrieve all reasons for this problem
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*
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* @return array The problem's reasons
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*/
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public function getReasons()
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{
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return $this->reasons;
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}
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/**
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* A human readable textual representation of the problem's reasons
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*/
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public function __toString()
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{
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if (count($this->reasons) === 1) {
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reset($this->reasons);
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$reason = current($this->reasons);
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$rule = $reason['rule'];
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$job = $reason['job'];
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if ($job && $job['cmd'] === 'install' && empty($job['packages'])) {
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// handle php extensions
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if (0 === stripos($job['packageName'], 'ext-')) {
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$ext = substr($job['packageName'], 4);
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$error = extension_loaded($ext) ? 'has the wrong version ('.phpversion($ext).') installed' : 'is missing from your system';
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return 'The requested PHP extension "'.$job['packageName'].'" '.$this->constraintToText($job['constraint']).$error.'.';
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}
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return 'The requested package "'.$job['packageName'].'" '.$this->constraintToText($job['constraint']).'could not be found.';
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}
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}
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$messages = array("Problem caused by:");
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foreach ($this->reasons as $reason) {
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$rule = $reason['rule'];
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$job = $reason['job'];
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if ($job) {
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$messages[] = $this->jobToText($job);
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} elseif ($rule) {
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if ($rule instanceof Rule) {
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$messages[] = $rule->toHumanReadableString();
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}
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}
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}
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return implode("\n\t\t\t- ", $messages);
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}
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/**
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* Store a reason descriptor but ignore duplicates
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*
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* @param string $id A canonical identifier for the reason
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* @param string $reason The reason descriptor
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*/
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protected function addReason($id, $reason)
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{
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if (!isset($this->reasons[$id])) {
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$this->reasons[$id] = $reason;
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}
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}
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/**
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* Turns a job into a human readable description
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*
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* @param array $job
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* @return string
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*/
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protected function jobToText($job)
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{
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switch ($job['cmd']) {
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case 'install':
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return 'Installation of package "'.$job['packageName'].'" '.$this->constraintToText($job['constraint']).'was requested. Satisfiable by packages ['.implode(', ', $job['packages']).'].';
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case 'update':
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return 'Update of package "'.$job['packageName'].'" '.$this->constraintToText($job['constraint']).'was requested.';
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case 'remove':
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return 'Removal of package "'.$job['packageName'].'" '.$this->constraintToText($job['constraint']).'was requested.';
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}
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return 'Job(cmd='.$job['cmd'].', target='.$job['packageName'].', packages=['.implode(', ', $job['packages']).'])';
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}
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/**
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* Turns a constraint into text usable in a sentence describing a job
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*
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* @param LinkConstraint $constraint
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* @return string
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*/
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protected function constraintToText($constraint)
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{
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return ($constraint) ? 'with constraint '.$constraint.' ' : '';
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}
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}
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@ -0,0 +1,52 @@
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Util;
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/**
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* Convert PHP errors into exceptions
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*
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* @author Artem Lopata <biozshock@gmail.com>
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*/
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class ErrorHandler
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{
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/**
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* Error handler
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*
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* @param int $level Level of the error raised
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* @param string $message Error message
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* @param string $file Filename that the error was raised in
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* @param int $line Line number the error was raised at
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*
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* @static
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* @throws \ErrorException
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*/
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public static function handle($level, $message, $file, $line)
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{
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// respect error_reporting being disabled
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if (!error_reporting()) {
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return;
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}
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throw new \ErrorException($message, 0, $level, $file, $line);
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}
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/**
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* Register error handler
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*
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* @static
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*/
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public static function register()
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{
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set_error_handler(array(__CLASS__, 'handle'));
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}
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}
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@ -0,0 +1,49 @@
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<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Test\Util;
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use Composer\Util\ErrorHandler;
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use Composer\Test\TestCase;
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/**
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* ErrorHandler test case
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*
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* @author Artem Lopata <biozshock@gmail.com>
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||||
*/
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class ErrorHandlerTest extends TestCase
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{
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/**
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* Test ErrorHandler handles notices
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*/
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public function testErrorHandlerCaptureNotice()
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{
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$this->setExpectedException('\ErrorException', 'Undefined index: baz');
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ErrorHandler::register();
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$array = array('foo' => 'bar');
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$array['baz'];
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}
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/**
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* Test ErrorHandler handles warnings
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*/
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public function testErrorHandlerCaptureWarning()
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{
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$this->setExpectedException('\ErrorException', 'array_merge(): Argument #2 is not an array');
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ErrorHandler::register();
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array_merge(array(), 'string');
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}
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}
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