Added test for reserved characters in cache keys.

Author: Bilge

src/Connector/CachingConnector.php

@@ -76,6 +76,6 @@ public function isCacheEnabled()
 
     private function hash(array $structure)
     {
-        return str_replace(str_split('{}()/\@:'), '.', json_encode($structure));
+        return str_replace(str_split('{}()/\@:'), '.', json_encode($structure, JSON_UNESCAPED_SLASHES));
     }
 }

test/Integration/Porter/Connector/CachingConnectorTest.php

@@ -3,6 +3,7 @@
 
 use Mockery\Adapter\Phpunit\MockeryPHPUnitIntegration;
 use Mockery\MockInterface;
+use Psr\Cache\CacheItemInterface;
 use Psr\Cache\CacheItemPoolInterface;
 use ScriptFUSION\Porter\Cache\MemoryCache;
 use ScriptFUSION\Porter\Connector\CachingConnector;
@@ -88,4 +89,24 @@ public function testEnableCache()
         $this->connector->enableCache();
         self::assertTrue($this->connector->isCacheEnabled());
     }
+
+    public function testCacheKeyExcludesReservedCharacters()
+    {
+        $reservedCharacters = '{}()/\@:';
+
+        $this->connector->setCache($cache = \Mockery::spy(CacheItemPoolInterface::class));
+
+        $cache->shouldReceive('hasItem')
+            ->andReturnUsing(
+                function ($key) use ($reservedCharacters) {
+                    foreach (str_split($reservedCharacters) as $reservedCharacter) {
+                        self::assertNotContains($reservedCharacter, $key);
+                    }
+                }
+            )->once()
+            ->shouldReceive('getItem')->andReturnSelf()
+            ->shouldReceive('set')->andReturn(\Mockery::mock(CacheItemInterface::class));
+
+        $this->connector->fetch($reservedCharacters, (new TestOptions)->setFoo($reservedCharacters));
+    }
 }