Allow a custom loop to be provided to the initialization.

Author: dustingraham

src/Database.php

@@ -22,14 +22,16 @@ class Database
      */
     protected $pollInterval = 0.01;
 
-    public function __construct($credentials = null)
+    public function __construct($credentials = null, $loop = null)
     {
         if (!is_null($credentials))
         {
             ConnectionFactory::init($credentials);
         }
 
-        $this->loop = Factory::create();
+        // Use the provided loop, otherwise create one.
+        $this->loop = $loop ?: Factory::create();
+        
         $this->initLoop();
 
         $this->pool = new ConnectionPool();

tests/DatabaseTest.php

@@ -2,6 +2,7 @@
 
 use DustinGraham\ReactMysql\Command;
 use DustinGraham\ReactMysql\Database;
+use React\EventLoop\Factory;
 
 class DatabaseTest extends TestCase
 {
@@ -29,4 +30,16 @@ public function testForCoverage()
     {
         new Database($this->getCredentials());
     }
+    
+    public function testCustomLoop()
+    {
+        // Custom Loop
+        $loop = Factory::create();
+        $database = new Database($this->getCredentials(), $loop);
+        $this->assertSame($loop, $database->loop);
+        
+        // No Custom Loop
+        $databaseTwo = new Database($this->getCredentials());
+        $this->assertNotSame($loop, $databaseTwo->loop);
+    }
 }