Behat: mod/ouwiki (tt, OUVLE_458) - Test editing for past, future and…

… together + 3 more... #679632

locallib.php

@@ -1627,8 +1627,11 @@ function ouwiki_get_subwiki_missingpages($subwikiid, $limitfrom = '', $limitnum
  * @return array Associative array of section ID => current title
  */
 function ouwiki_find_sections($content) {
-    $results = array();
-    $matchlist = array();
+    $results = [];
+    if (is_null($content)) {
+        return $results;
+    }
+    $matchlist = [];
     preg_match_all('~<h([0-9]) id="ouw_s([0-9]+_[0-9]+)">(.*?)</h([0-9])>~s',
             $content, $matchlist, PREG_SET_ORDER);
     foreach ($matchlist as $matches) {

tests/sections_test.php

@@ -22,14 +22,16 @@
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
+namespace mod_ouwiki;
+
 if (!defined('MOODLE_INTERNAL')) {
     die('Direct access to this script is forbidden.'); // It must be included from a Moodle page.
 }
 global $CFG;
 
 require_once($CFG->dirroot . '/mod/ouwiki/locallib.php');
 
-class ouwiki_test_sections extends advanced_testcase {
+class sections_test extends advanced_testcase {
 
     public $sample = '
 <h1 id="ouw_s0_0">Start</h1>
@@ -67,4 +69,9 @@ public function test_find_sections() {
                 '0_1' => 'End'
             ), $sections);
     }
+
+    public function test_find_sections_with_null_content(): void {
+        $sections = ouwiki_find_sections(null);
+        $this->assertEquals([], $sections);
+    }
 }