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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| <?php | ||
| /** | ||
| * Zend Framework (http://framework.zend.com/) | ||
| * | ||
| * @link http://github.com/zendframework/zf2 for the canonical source repository | ||
| * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) | ||
| * @license http://framework.zend.com/license/new-bsd New BSD License | ||
| */ | ||
|
|
||
| namespace Zend\ServiceManager\Exception; | ||
|
|
||
| class CyclicAliasException extends InvalidArgumentException | ||
| { | ||
| /** | ||
| * @param string[] $aliases map of referenced services, indexed by alias name (string) | ||
| * | ||
| * @return self | ||
| */ | ||
| public static function fromAliasesMap(array $aliases) | ||
| { | ||
| $detectedCycles = array_filter(array_map( | ||
| function ($alias) use ($aliases) { | ||
| return self::getCycleFor($aliases, $alias); | ||
| }, | ||
| array_keys($aliases) | ||
| )); | ||
|
|
||
| if (! $detectedCycles) { | ||
| return new self(sprintf( | ||
| "A cycle was detected within the following aliases map:\n\n%s", | ||
| self::printReferencesMap($aliases) | ||
| )); | ||
| } | ||
|
|
||
| return new self(sprintf( | ||
| "Cycles were detected within the provided aliases:\n\n%s\n\n" | ||
| . "The cycle was detected in the following alias map:\n\n%s", | ||
| self::printCycles(self::deDuplicateDetectedCycles($detectedCycles)), | ||
| self::printReferencesMap($aliases) | ||
| )); | ||
| } | ||
|
|
||
| /** | ||
| * Retrieves the cycle detected for the given $alias, or `null` if no cycle was detected | ||
| * | ||
| * @param string[] $aliases | ||
| * @param string $alias | ||
| * | ||
| * @return array|null | ||
| */ | ||
| private static function getCycleFor(array $aliases, $alias) | ||
| { | ||
| $cycleCandidate = []; | ||
| $targetName = $alias; | ||
|
|
||
| while (isset($aliases[$targetName])) { | ||
| if (isset($cycleCandidate[$targetName])) { | ||
| return $cycleCandidate; | ||
| } | ||
|
|
||
| $cycleCandidate[$targetName] = true; | ||
|
|
||
| $targetName = $aliases[$targetName]; | ||
| } | ||
|
|
||
| return null; | ||
| } | ||
|
|
||
| /** | ||
| * @param string[] $aliases | ||
| * | ||
| * @return string | ||
| */ | ||
| private static function printReferencesMap(array $aliases) | ||
| { | ||
| $map = []; | ||
|
|
||
| foreach ($aliases as $alias => $reference) { | ||
| $map[] = '"' . $alias . '" => "' . $reference . '"'; | ||
| } | ||
|
|
||
| return "[\n" . implode("\n", $map) . "\n]"; | ||
| } | ||
|
|
||
| /** | ||
| * @param string[][] $detectedCycles | ||
| * | ||
| * @return string | ||
| */ | ||
| private static function printCycles(array $detectedCycles) | ||
| { | ||
| return "[\n" . implode("\n", array_map([__CLASS__, 'printCycle'], $detectedCycles)) . "\n]"; | ||
| } | ||
|
|
||
| /** | ||
| * @param string[] $detectedCycle | ||
| * | ||
| * @return string | ||
| */ | ||
| private static function printCycle(array $detectedCycle) | ||
| { | ||
| $fullCycle = array_keys($detectedCycle); | ||
| $fullCycle[] = reset($fullCycle); | ||
|
|
||
| return implode( | ||
| ' => ', | ||
| array_map( | ||
| function ($cycle) { | ||
| return '"' . $cycle . '"'; | ||
| }, | ||
| $fullCycle | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * @param bool[][] $detectedCycles | ||
| * | ||
| * @return bool[][] de-duplicated | ||
| */ | ||
| private static function deDuplicateDetectedCycles(array $detectedCycles) | ||
| { | ||
| $detectedCyclesByHash = []; | ||
|
|
||
| foreach ($detectedCycles as $detectedCycle) { | ||
| $cycleAliases = array_keys($detectedCycle); | ||
|
|
||
| sort($cycleAliases); | ||
|
|
||
| $hash = serialize(array_values($cycleAliases)); | ||
|
|
||
| $detectedCyclesByHash[$hash] = isset($detectedCyclesByHash[$hash]) | ||
| ? $detectedCyclesByHash[$hash] | ||
| : $detectedCycle; | ||
| } | ||
|
|
||
| return array_values($detectedCyclesByHash); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| <?php | ||
| /** | ||
| * Zend Framework (http://framework.zend.com/) | ||
| * | ||
| * @link http://github.com/zendframework/zf2 for the canonical source repository | ||
| * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) | ||
| * @license http://framework.zend.com/license/new-bsd New BSD License | ||
| */ | ||
|
|
||
| namespace ZendTest\ServiceManager\Exception; | ||
|
|
||
| use PHPUnit_Framework_TestCase as TestCase; | ||
| use ProxyManager\Autoloader\AutoloaderInterface; | ||
| use RecursiveDirectoryIterator; | ||
| use RecursiveIteratorIterator; | ||
| use RecursiveRegexIterator; | ||
| use RegexIterator; | ||
| use stdClass; | ||
| use Zend\ServiceManager\Exception\CyclicAliasException; | ||
| use Zend\ServiceManager\Exception\ServiceNotCreatedException; | ||
| use Zend\ServiceManager\Exception\ServiceNotFoundException; | ||
| use Zend\ServiceManager\Factory\InvokableFactory; | ||
| use Zend\ServiceManager\Proxy\LazyServiceFactory; | ||
| use Zend\ServiceManager\ServiceManager; | ||
| use ZendTest\ServiceManager\TestAsset\InvokableObject; | ||
|
|
||
| /** | ||
| * @covers \Zend\ServiceManager\Exception\CyclicAliasException | ||
| */ | ||
| class CyclicAliasExceptionTest extends TestCase | ||
| { | ||
| /** | ||
| * @dataProvider aliasesProvider | ||
| * | ||
| * @param string[] $aliases | ||
| * @param string $expectedMessage | ||
| * | ||
| * @return void | ||
| */ | ||
| public function testFromAliasesMap(array $aliases, $expectedMessage) | ||
| { | ||
| $exception = CyclicAliasException::fromAliasesMap($aliases); | ||
|
|
||
| self::assertInstanceOf(CyclicAliasException::class, $exception); | ||
| self::assertSame($expectedMessage, $exception->getMessage()); | ||
| } | ||
|
|
||
| /** | ||
| * @return string[][]|string[][][] | ||
| */ | ||
| public function aliasesProvider() | ||
| { | ||
| return [ | ||
| 'empty set' => [ | ||
| [], | ||
| 'A cycle was detected within the following aliases map: | ||
| [ | ||
| ]' | ||
| ], | ||
| 'acyclic set' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'd' => 'c', | ||
| ], | ||
| 'A cycle was detected within the following aliases map: | ||
| [ | ||
| "b" => "a" | ||
| "d" => "c" | ||
| ]' | ||
| ], | ||
| 'acyclic self-referencing set' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'c' => 'b', | ||
| 'd' => 'c', | ||
| ], | ||
| 'A cycle was detected within the following aliases map: | ||
| [ | ||
| "b" => "a" | ||
| "c" => "b" | ||
| "d" => "c" | ||
| ]' | ||
| ], | ||
| 'cyclic set' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'a' => 'b', | ||
| ], | ||
| 'Cycles were detected within the provided aliases: | ||
| [ | ||
| "b" => "a" => "b" | ||
| ] | ||
| The cycle was detected in the following alias map: | ||
| [ | ||
| "b" => "a" | ||
| "a" => "b" | ||
| ]' | ||
| ], | ||
| 'cyclic set (indirect)' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'c' => 'b', | ||
| 'a' => 'c', | ||
| ], | ||
| 'Cycles were detected within the provided aliases: | ||
| [ | ||
| "b" => "a" => "c" => "b" | ||
| ] | ||
| The cycle was detected in the following alias map: | ||
| [ | ||
| "b" => "a" | ||
| "c" => "b" | ||
| "a" => "c" | ||
| ]' | ||
| ], | ||
| 'cyclic set + acyclic set' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'a' => 'b', | ||
| 'd' => 'c', | ||
| ], | ||
| 'Cycles were detected within the provided aliases: | ||
| [ | ||
| "b" => "a" => "b" | ||
| ] | ||
| The cycle was detected in the following alias map: | ||
| [ | ||
| "b" => "a" | ||
| "a" => "b" | ||
| "d" => "c" | ||
| ]' | ||
| ], | ||
| 'cyclic set + reference to cyclic set' => [ | ||
| [ | ||
| 'b' => 'a', | ||
| 'a' => 'b', | ||
| 'c' => 'a', | ||
| ], | ||
| 'Cycles were detected within the provided aliases: | ||
| [ | ||
| "b" => "a" => "b" | ||
| "c" => "a" => "b" => "c" | ||
| ] | ||
| The cycle was detected in the following alias map: | ||
| [ | ||
| "b" => "a" | ||
| "a" => "b" | ||
| "c" => "a" | ||
| ]' | ||
| ], | ||
| ]; | ||
| } | ||
| } |
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