Merge branch 'MDL-59459_Increase_file_indexing_coverage' of https://github.com/mattporritt/moodle

course/classes/search/mycourse.php

@@ -124,4 +124,41 @@ class mycourse extends \core_search\base {
     public function get_context_url(\core_search\document $doc) {
         return new \moodle_url('/course/view.php', array('id' => $doc->get('courseid')));
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * Should be overridden by each search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array(
+                'overviewfiles',
+                'summary'// Fileareas.
+        );
+
+        return $fileareas;
+    }
+
+    /**
+     * Returns the moodle component name.
+     *
+     * It might be the plugin name (whole frankenstyle name) or the core subsystem name.
+     *
+     * @return string
+     */
+    public function get_component_name() {
+        return 'course';
+    }
 }

mod/assign/classes/search/activity.php

@@ -36,6 +36,7 @@ require_once($CFG->dirroot . '/mod/assign/locallib.php');
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
     /**
      * Returns true if this area uses file indexing.
      *
@@ -46,22 +47,14 @@ class activity extends \core_search\base_activity {
     }
 
     /**
-     * Add the attached description files.
+     * Return the context info required to index files for
+     * this search area.
      *
-     * @param document $document The current document
+     * @return array
-     * @return null
      */
-    public function attach_files($document) {
+    public function get_search_fileareas() {
-        $fs = get_file_storage();
+        $fileareas = array('intro', ASSIGN_INTROATTACHMENT_FILEAREA); // Fileareas.
 
-        $cm = $this->get_cm($this->get_module_name(), $document->get('itemid'), $document->get('courseid'));
+        return $fileareas;
-        $context = \context_module::instance($cm->id);
-
-        $files = $fs->get_area_files($context->id, 'mod_assign', ASSIGN_INTROATTACHMENT_FILEAREA, 0,
-                'sortorder DESC, id ASC', false);
-
-        foreach ($files as $file) {
-            $document->add_stored_file($file);
-        }
     }
 }

mod/book/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/book/classes/search/chapter.php

@@ -158,4 +158,25 @@ class chapter extends \core_search\base_mod {
         $contextmodule = \context::instance_by_id($doc->get('contextid'));
         return new \moodle_url('/mod/book/view.php', array('id' => $contextmodule->instanceid));
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('chapter'); // Filearea.
+
+        return $fileareas;
+    }
 }

mod/chat/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/choice/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/data/classes/search/activity.php

@@ -34,4 +34,14 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
 }

mod/feedback/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/folder/classes/search/activity.php

@@ -34,6 +34,7 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
     /**
      * Returns true if this area uses file indexing.
      *
@@ -44,21 +45,14 @@ class activity extends \core_search\base_activity {
     }
 
     /**
-     * Add all the folder files to the index.
+     * Return the context info required to index files for
+     * this search area.
      *
-     * @param document $document The current document
+     * @return array
-     * @return null
      */
-    public function attach_files($document) {
+    public function get_search_fileareas() {
-        $fs = get_file_storage();
+        $fileareas = array('intro', 'content'); // Fileareas.
 
-        $cm = $this->get_cm($this->get_module_name(), $document->get('itemid'), $document->get('courseid'));
+        return $fileareas;
-        $context = \context_module::instance($cm->id);
-
-        $files = $fs->get_area_files($context->id, 'mod_folder', 'content', 0, 'sortorder DESC, id ASC', false);
-
-        foreach ($files as $file) {
-            $document->add_stored_file($file);
-        }
     }
 }

mod/forum/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/forum/classes/search/post.php

@@ -120,6 +120,21 @@ class post extends \core_search\base_mod {
         return true;
     }
 
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array(
+            'attachment',
+            'post'
+        );
+
+        return $fileareas;
+    }
+
     /**
      * Add the forum post attachments.
      *
@@ -142,14 +157,21 @@ class post extends \core_search\base_mod {
         // Because this is used during indexing, we don't want to cache posts. Would result in memory leak.
         unset($this->postsdata[$postid]);
 
-        $cm = $this->get_cm('forum', $post->forum, $document->get('courseid'));
+        $cm = $this->get_cm($this->get_module_name(), $post->forum, $document->get('courseid'));
         $context = \context_module::instance($cm->id);
+        $contextid = $context->id;
+
+        $fileareas = $this->get_search_fileareas();
+        $component = $this->get_component_name();
 
         // Get the files and attach them.
-        $fs = get_file_storage();
+        foreach ($fileareas as $filearea) {
-        $files = $fs->get_area_files($context->id, 'mod_forum', 'attachment', $postid, "filename", false);
+            $fs = get_file_storage();
-        foreach ($files as $file) {
+            $files = $fs->get_area_files($contextid, $component, $filearea, $postid, '', false);
-            $document->add_stored_file($file);
+
+            foreach ($files as $file) {
+                $document->add_stored_file($file);
+            }
         }
     }
 

mod/glossary/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/glossary/classes/search/entry.php

@@ -193,4 +193,25 @@ class entry extends \core_search\base_mod {
         }
         return $this->entriesdata[$entryid];
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('attachment', 'entry'); // Fileareas.
+
+        return $fileareas;
+    }
 }

mod/imscp/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/label/classes/search/activity.php

@@ -38,6 +38,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class activity extends \core_search\base_activity {
 
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
     /**
      * Overwritten as labels are displayed in-course.
      *

mod/lesson/classes/search/activity.php

@@ -34,4 +34,25 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('intro', 'page_contents'); // Fileareas.
+
+        return $fileareas;
+    }
 }

mod/lti/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/page/classes/search/activity.php

@@ -35,7 +35,6 @@ defined('MOODLE_INTERNAL') || die();
  */
 class activity extends \core_search\base_activity {
 
-
     /**
      * Returns the document associated with this activity.
      *
@@ -74,4 +73,25 @@ class activity extends \core_search\base_activity {
 
         return $doc;
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('intro', 'content'); // Fileareas.
+
+        return $fileareas;
+    }
 }

mod/quiz/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/resource/classes/search/activity.php

@@ -34,6 +34,7 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
     /**
      * Returns true if this area uses file indexing.
      *
@@ -44,24 +45,14 @@ class activity extends \core_search\base_activity {
     }
 
     /**
-     * Add the main file to the index.
+     * Return the context info required to index files for
+     * this search area.
      *
-     * @param document $document The current document
+     * @return array
-     * @return null
      */
-    public function attach_files($document) {
+    public function get_search_fileareas() {
-        $fs = get_file_storage();
+        $fileareas = array('intro', 'content'); // Fileareas.
 
-        $cm = $this->get_cm($this->get_module_name(), $document->get('itemid'), $document->get('courseid'));
+        return $fileareas;
-        $context = \context_module::instance($cm->id);
-
-        // Order by sortorder desc, the first is consided the main file.
-        $files = $fs->get_area_files($context->id, 'mod_resource', 'content', 0, 'sortorder DESC, id ASC', false);
-
-        $mainfile = $files ? reset($files) : null;
-        if ($mainfile && $mainfile->get_sortorder() > 0) {
-            $document->add_stored_file($mainfile);
-        }
     }
-
 }

mod/resource/tests/search_test.php

@@ -84,7 +84,7 @@ class mod_resource_search_testcase extends advanced_testcase {
         );
         $fs->create_file_from_string($filerecord, 'Test resource file');
 
-        // Attach a second file that shouldn't be returned with the search doc.
+        // Attach a second file.
         $filerecord['filename'] = 'extrafile';
         $filerecord['sortorder'] = 0;
         $fs->create_file_from_string($filerecord, 'Test resource file 2');
@@ -101,10 +101,15 @@ class mod_resource_search_testcase extends advanced_testcase {
             $searcharea->attach_files($doc);
             $files = $doc->get_files();
 
-            // Resources should only return their main file.
+            // Resources should return all added files.
-            $this->assertCount(1, $files);
+            $this->assertCount(2, $files);
-            $file = reset($files);
+
-            $this->assertEquals('mainfile', $file->get_filename());
+            $filenames = array();
+            foreach ($files as $file) {
+                $filenames[] = $file->get_filename();
+            }
+            $this->assertContains('mainfile', $filenames);
+            $this->assertContains('extrafile', $filenames);
 
             $nrecords++;
         }

mod/scorm/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/survey/classes/search/activity.php

@@ -35,6 +35,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class activity extends \core_search\base_activity {
 
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
     /**
      * Returns recordset containing required data for indexing activities.
      *

mod/url/classes/search/activity.php

@@ -35,6 +35,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class activity extends \core_search\base_activity {
 
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
     /**
      * Returns the document associated with this activity.
      *

mod/wiki/classes/search/activity.php

@@ -34,4 +34,13 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
 }

mod/wiki/classes/search/collaborative_page.php

@@ -175,4 +175,25 @@ class collaborative_page extends \core_search\base_mod {
         $contextmodule = \context::instance_by_id($doc->get('contextid'));
         return new \moodle_url('/mod/wiki/view.php', array('id' => $contextmodule->instanceid));
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('attachments'); // Filearea.
+
+        return $fileareas;
+    }
 }

mod/workshop/classes/search/activity.php

@@ -34,4 +34,25 @@ defined('MOODLE_INTERNAL') || die();
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class activity extends \core_search\base_activity {
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array('intro', 'instructauthors', 'instructreviewers', 'conclusion'); // Fileareas.
+
+        return $fileareas;
+    }
 }

search/classes/base.php

@@ -274,13 +274,48 @@ abstract class base {
     abstract public function get_document($record, $options = array());
 
     /**
-     * Add any files to the document that should be indexed.
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * Should be onerridden by each search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array();
+
+        return $fileareas;
+    }
+
+    /**
+     * Files related to the current document are attached,
+     * to the document object ready for indexing by
+     * Global Search.
+     *
+     * The default implementation retrieves all files for
+     * the file areas returned by get_search_fileareas().
+     * If you need to filter files to specific items per
+     * file area, you will need to override this method
+     * and explicitly provide the items.
      *
      * @param document $document The current document
      * @return void
      */
     public function attach_files($document) {
-        return;
+        $fileareas = $this->get_search_fileareas();
+        $contextid = $document->get('contextid');
+        $component = $this->get_component_name();
+        $itemid = $document->get('itemid');
+
+        foreach ($fileareas as $filearea) {
+            $fs = get_file_storage();
+            $files = $fs->get_area_files($contextid, $component, $filearea, $itemid, '', false);
+
+            foreach ($files as $file) {
+                $document->add_stored_file($file);
+            }
+        }
+
     }
 
     /**

search/classes/base_activity.php

@@ -149,7 +149,7 @@ abstract class base_activity extends base_mod {
      * @param \core_search\document $doc
      * @return \moodle_url
      */
-    public function get_doc_url(\core_search\document $doc) {;
+    public function get_doc_url(\core_search\document $doc) {
         return $this->get_context_url($doc);
     }
 
@@ -164,15 +164,6 @@ abstract class base_activity extends base_mod {
         return new \moodle_url('/mod/' . $this->get_module_name() . '/view.php', array('id' => $cminfo->id));
     }
 
-    /**
-     * Returns the module name.
-     *
-     * @return string
-     */
-    protected function get_module_name() {
-        return substr($this->componentname, 4);
-    }
-
     /**
      * Returns an activity instance. Internally uses the class component to know which activity module should be retrieved.
      *
@@ -189,4 +180,54 @@ abstract class base_activity extends base_mod {
         return $this->activitiesdata[$this->get_module_name()][$instanceid];
 
     }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * Should be onerridden by each search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array(
+                'intro' // Fileareas.
+        );
+
+        return $fileareas;
+    }
+
+    /**
+     * Files related to the current document are attached,
+     * to the document object ready for indexing by
+     * Global Search.
+     *
+     * The default implementation retrieves all files for
+     * the file areas returned by get_search_fileareas().
+     * If you need to filter files to specific items per
+     * file area, you will need to override this method
+     * and explicitly provide the items.
+     *
+     * @param document $document The current document
+     * @return void
+     */
+    public function attach_files($document) {
+        $fileareas = $this->get_search_fileareas();
+
+        if (!empty($fileareas)) {
+            $cm = $this->get_cm($this->get_module_name(), $document->get('itemid'), $document->get('courseid'));
+
+            $context = \context_module::instance($cm->id);
+            $contextid = $context->id;
+
+            $fs = get_file_storage();
+            $files = $fs->get_area_files($contextid, $this->get_component_name(), $fileareas, false, '', false);
+
+            foreach ($files as $file) {
+                $document->add_stored_file($file);
+            }
+        }
+
+        return;
+    }
 }

search/classes/base_mod.php

@@ -48,6 +48,15 @@ abstract class base_mod extends base {
      */
     protected static $levels = [CONTEXT_MODULE];
 
+    /**
+     * Returns the module name.
+     *
+     * @return string
+     */
+    protected function get_module_name() {
+        return substr($this->componentname, 4);
+    }
+
     /**
      * Gets the course module for the required instanceid + modulename.
      *
@@ -75,7 +84,6 @@ abstract class base_mod extends base {
 
         // Nothing found.
         throw new \dml_missing_record_exception($modulename);
-
-        return $cm;
     }
+
 }

search/tests/base_activity_test.php

@@ -0,0 +1,141 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Search engine base unit tests.
+ *
+ * @package     core_search
+ * @copyright   2017 Matt Porritt <mattp@catalyst-au.net>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once(__DIR__ . '/fixtures/testable_core_search.php');
+require_once($CFG->dirroot . '/search/tests/fixtures/mock_search_area.php');
+
+/**
+ * Search engine base unit tests.
+ *
+ * @package     core_search
+ * @copyright   2017 Matt Porritt <mattp@catalyst-au.net>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class search_base_activity_testcase extends advanced_testcase {
+    /**
+     * @var \core_search::manager
+     */
+    protected $search = null;
+
+    /**
+     * @var Instace of core_search_generator.
+     */
+    protected $generator = null;
+
+    /**
+     * @var Instace of testable_engine.
+     */
+    protected $engine = null;
+
+    public function setUp() {
+        $this->resetAfterTest();
+        set_config('enableglobalsearch', true);
+
+        // Set \core_search::instance to the mock_search_engine as we don't require the search engine to be working to test this.
+        $search = testable_core_search::instance();
+
+        $this->generator = self::getDataGenerator()->get_plugin_generator('core_search');
+        $this->generator->setup();
+    }
+
+    public function tearDown() {
+        // For unit tests before PHP 7, teardown is called even on skip. So only do our teardown if we did setup.
+        if ($this->generator) {
+            // Moodle DML freaks out if we don't teardown the temp table after each run.
+            $this->generator->teardown();
+            $this->generator = null;
+        }
+    }
+
+    /**
+     * Test base activity get search fileareas
+     */
+    public function test_get_search_fileareas_base() {
+
+        $builder = $this->getMockBuilder('\core_search\base_activity');
+        $builder->disableOriginalConstructor();
+        $stub = $builder->getMockForAbstractClass();
+
+        $result = $stub->get_search_fileareas();
+
+        $this->assertEquals(array('intro'), $result);
+    }
+
+    /**
+     * Test base attach files
+     */
+    public function test_attach_files_base() {
+        $filearea = 'intro';
+        $component = 'mod_forum';
+        $module = 'forum';
+
+        $course = self::getDataGenerator()->create_course();
+        $activity = self::getDataGenerator()->create_module('forum', array('course' => $course->id));
+        $context = \context_module::instance($activity->cmid);
+        $contextid = $context->id;
+
+        // Create file to add.
+        $fs = get_file_storage();
+        $filerecord = array(
+                'contextid' => $contextid,
+                'component' => $component,
+                'filearea' => $filearea,
+                'itemid' => 0,
+                'filepath' => '/',
+                'filename' => 'testfile.txt');
+        $content = 'All the news that\'s fit to print';
+        $file = $fs->create_file_from_string($filerecord, $content);
+
+        // Construct the search document.
+        $rec = new \stdClass();
+        $rec->courseid = $course->id;
+        $area = new core_mocksearch\search\mock_search_area();
+        $record = $this->generator->create_record($rec);
+
+        $document = $area->get_document($record);
+        $document->set('itemid', $activity->id);
+
+        // Create a mock from the abstract class,
+        // with required methods stubbed.
+        $builder = $this->getMockBuilder('\core_search\base_activity');
+        $builder->disableOriginalConstructor();
+        $builder->setMethods(array('get_module_name', 'get_component_name'));
+        $stub = $builder->getMockForAbstractClass();
+        $stub->method('get_module_name')->willReturn($module);
+        $stub->method('get_component_name')->willReturn($component);
+
+        // Attach file to our test document.
+        $stub->attach_files($document);
+
+        // Verify file is attached.
+        $files = $document->get_files();
+        $file = array_values($files)[0];
+
+        $this->assertEquals(1, count($files));
+        $this->assertEquals($content, $file->get_content());
+    }
+}

search/tests/base_test.php

@@ -0,0 +1,132 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Search engine base unit tests.
+ *
+ * @package     core_search
+ * @copyright   2017 Matt Porritt <mattp@catalyst-au.net>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+global $CFG;
+require_once(__DIR__ . '/fixtures/testable_core_search.php');
+require_once($CFG->dirroot . '/search/tests/fixtures/mock_search_area.php');
+
+/**
+ * Search engine base unit tests.
+ *
+ * @package     core_search
+ * @copyright   2017 Matt Porritt <mattp@catalyst-au.net>
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class search_base_testcase extends advanced_testcase {
+    /**
+     * @var \core_search::manager
+     */
+    protected $search = null;
+
+    /**
+     * @var Instace of core_search_generator.
+     */
+    protected $generator = null;
+
+    /**
+     * @var Instace of testable_engine.
+     */
+    protected $engine = null;
+
+    public function setUp() {
+        $this->resetAfterTest();
+        set_config('enableglobalsearch', true);
+
+        // Set \core_search::instance to the mock_search_engine as we don't require the search engine to be working to test this.
+        $search = testable_core_search::instance();
+
+        $this->generator = self::getDataGenerator()->get_plugin_generator('core_search');
+        $this->generator->setup();
+    }
+
+    public function tearDown() {
+        // For unit tests before PHP 7, teardown is called even on skip. So only do our teardown if we did setup.
+        if ($this->generator) {
+            // Moodle DML freaks out if we don't teardown the temp table after each run.
+            $this->generator->teardown();
+            $this->generator = null;
+        }
+    }
+
+    /**
+     * Test base get search fileareas
+     */
+    public function test_get_search_fileareas_base() {
+
+        $builder = $this->getMockBuilder('\core_search\base');
+        $builder->disableOriginalConstructor();
+        $stub = $builder->getMockForAbstractClass();
+
+        $result = $stub->get_search_fileareas();
+
+        $this->assertEquals(array(), $result);
+    }
+
+    /**
+     * Test base attach files
+     */
+    public function test_attach_files_base() {
+        $filearea = 'search';
+        $component = 'mod_test';
+
+        // Create file to add.
+        $fs = get_file_storage();
+        $filerecord = array(
+                'contextid' => 1,
+                'component' => $component,
+                'filearea' => $filearea,
+                'itemid' => 1,
+                'filepath' => '/',
+                'filename' => 'testfile.txt');
+        $content = 'All the news that\'s fit to print';
+        $file = $fs->create_file_from_string($filerecord, $content);
+
+        // Construct the search document.
+        $rec = new \stdClass();
+        $area = new core_mocksearch\search\mock_search_area();
+        $record = $this->generator->create_record($rec);
+        $document = $area->get_document($record);
+
+        // Create a mock from the abstract class,
+        // with required methods stubbed.
+        $builder = $this->getMockBuilder('\core_search\base');
+        $builder->disableOriginalConstructor();
+        $builder->setMethods(array('get_search_fileareas', 'get_component_name'));
+        $stub = $builder->getMockForAbstractClass();
+        $stub->method('get_search_fileareas')->willReturn(array($filearea));
+        $stub->method('get_component_name')->willReturn($component);
+
+        // Attach file to our test document.
+        $stub->attach_files($document);
+
+        // Verify file is attached.
+        $files = $document->get_files();
+        $file = array_values($files)[0];
+
+        $this->assertEquals(1, count($files));
+        $this->assertEquals($content, $file->get_content());
+    }
+}

user/classes/search/user.php

@@ -120,4 +120,41 @@ class user extends \core_search\base {
     public function get_context_url(\core_search\document $doc) {
         return new \moodle_url('/user/profile.php', array('id' => $doc->get('itemid')));
     }
+
+    /**
+     * Returns true if this area uses file indexing.
+     *
+     * @return bool
+     */
+    public function uses_file_indexing() {
+        return true;
+    }
+
+    /**
+     * Return the context info required to index files for
+     * this search area.
+     *
+     * Should be onerridden by each search area.
+     *
+     * @return array
+     */
+    public function get_search_fileareas() {
+        $fileareas = array(
+                'profile' // Fileareas.
+        );
+
+        return $fileareas;
+    }
+
+    /**
+     * Returns the moodle component name.
+     *
+     * It might be the plugin name (whole frankenstyle name) or the core subsystem name.
+     *
+     * @return string
+     */
+    public function get_component_name() {
+        return 'user';
+    }
+
 }