small fixes

Author: anatolii

src/RecursivePagination.php

@@ -34,13 +34,13 @@ class RecursivePagination {
      */
     public function __construct(Grabber $grabber, $xpath = []) {
       $this->grabber = $grabber;
-      if (!is_string($xpath) AND !is_array($xpath)) {
-        throw new \Exception('xPath should be an array or a string');
+      if (!is_string($xpath) and !is_array($xpath)) {
+        throw new \InvalidArgumentException('xPath should be an array or a string');
       }
       $xpath = (array) $xpath;
       foreach ($xpath as $path) {
         if (!is_string($path)) {
-          throw new \Exception('Incorrect xPath, should be an array or a string');
+          throw new \InvalidArgumentException('Incorrect xPath, should be an array or a string');
         }
         $this->defaultXpath[] = $path;
       }
@@ -53,14 +53,14 @@ public function __construct(Grabber $grabber, $xpath = []) {
      * @throws \Exception
      * @return $this
      */
-    public function addToQueue($links = [], $state = false) {
-      if (!is_string($links) AND !is_array($links)) {
-        throw new \Exception('Links should be an array or a string');
+    public function addToQueue($links, $state = false) {
+      if (!is_string($links) and !is_array($links)) {
+        throw new \InvalidArgumentException('Links should be an array or a string');
       }
       $links = (array) $links;
       foreach ($links as $url) {
         if (!is_string($url)) {
-          throw new \Exception('url should be a string');
+          throw new \InvalidArgumentException('url should be a string');
         }
         $this->queue[$url] = $state;
       }

tests/TestGrabber.php

@@ -2,13 +2,27 @@
 
   namespace Xparse\RecursivePagination\Test;
 
-  class TestGrabber extends \Fiv\Parser\Grabber
+  use Fiv\Parser\Grabber;
+
+  /**
+   *
+   * @package Xparse\RecursivePagination\Test
+   */
+  class TestGrabber extends Grabber
   {
 
+    /**
+     * @return string
+     */
     protected function fileDataPath() {
       return __DIR__ . '/test-data/';
     }
-    
+
+
+    /**
+     * @param string $url
+     * @return \Fiv\Parser\Dom\ElementFinder
+     */
     public function getHtml($url){
 
       $fileData = file_get_contents($this->fileDataPath() . $url);