Repository::create() should throw exception when empty string is provided as

Author: vimishor

lib/Bitbucket/API/Repositories/Repository.php

@@ -70,6 +70,10 @@ public function create($account, $repo, $params = array())
 
         // allow developer to directly specify params as json if (s)he wants.
         if ('string' === gettype($params)) {
+            if (empty($params)) {
+                throw new \InvalidArgumentException('Invalid JSON provided.');
+            }
+
             $params = json_decode($params, true);
 
             if (JSON_ERROR_NONE !== json_last_error()) {

test/Bitbucket/Tests/API/Repositories/RepositoryTest.php

@@ -94,6 +94,18 @@ public function testCreateRepositoryWithDefaultParams()
         $repo->create('gentle', 'new-repo', array());
     }
 
+    /**
+     * @ticket 26
+     * @expectedException \InvalidArgumentException
+     */
+    public function testCreateRepositoryWithWrongParamsType()
+    {
+        /** @var \Bitbucket\API\Repositories\Repository $repo */
+        $repo   = $this->getApiMock('Bitbucket\API\Repositories\Repository');
+
+        $repo->create('gentle', 'new-repo', '');
+    }
+
     public function testCreateRepositorySuccess()
     {
         $endpoint       = 'repositories';