Improved error tolerance; added test.

module/VuFindSearch/src/VuFindSearch/Backend/Primo/Response/RecordCollection.php

@@ -69,7 +69,8 @@ class RecordCollection extends AbstractRecordCollection
      */
     public function getTotal()
     {
-        return $this->response['recordCount'];
+        return isset($this->response['recordCount'])
+            ? $this->response['recordCount'] : 0;
     }
 
     /**

module/VuFindSearch/tests/unit-tests/src/VuFindTest/Backend/Primo/Response/RecordCollectionTest.php

+<?php
+
+/**
+ * Unit tests for Primo record collection
+ *
+ * PHP version 5
+ *
+ * Copyright (C) Villanova University 2013.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * @category VuFind2
+ * @package  Search
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org
+ */
+
+namespace VuFindTest\Backend\Primo\Response;
+
+use VuFindSearch\Backend\Primo\Response\RecordCollection;
+use PHPUnit_Framework_TestCase;
+
+/**
+ * Unit tests for Primo record collection
+ *
+ * @category VuFind2
+ * @package  Search
+ * @author   Demian Katz <demian.katz@villanova.edu>
+ * @license  http://opensource.org/licenses/gpl-2.0.php GNU General Public License
+ * @link     http://vufind.org
+ */
+class RecordCollectionTest extends PHPUnit_Framework_TestCase
+{
+    /**
+     * Test defaults when given empty data.
+     *
+     * @return void
+     */
+    public function testDefaults()
+    {
+        $rc = new RecordCollection(array());
+        $this->assertEquals(0, $rc->getTotal());
+        $this->assertEquals(0, $rc->getOffset());
+        $this->assertEquals(array(), $rc->getFacets());
+    }
+}
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