diff --git a/mod/resource/tests/generator/lib.php b/mod/resource/tests/generator/lib.php
new file mode 100644
index 00000000000..4be97bdfcaf
--- /dev/null
+++ b/mod/resource/tests/generator/lib.php
@@ -0,0 +1,117 @@
+<?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/>.
+
+/**
+ * Data generator.
+ *
+ * @package mod_resource
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+
+/**
+ * Resource module data generator class.
+ *
+ * @package mod_resource
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class mod_resource_generator extends testing_module_generator {
+
+    /**
+     * Creates new resource module instance. By default it contains a short
+     * text file.
+     *
+     * @param array|stdClass $record Resource module record, as from form
+     * @param array $options Standard options about how to create it
+     * @return stdClass Activity record, with extra cmid field
+     */
+    public function create_instance($record = null, array $options = null) {
+        global $CFG, $USER;
+        require_once($CFG->dirroot . '/mod/resource/locallib.php');
+
+        // Count generated modules.
+        $this->instancecount++;
+        $i = $this->instancecount;
+
+        // Ensure the record can be modified without affecting calling code.
+        $record = (object)(array)$record;
+        $options = (array)$options;
+
+        // Course is required.
+        if (empty($record->course)) {
+            throw new coding_exception('module generator requires $record->course');
+        }
+
+        // Fill in optional values if not specified.
+        if (!isset($record->name)) {
+            $record->name = get_string('pluginname', 'resource') . ' ' . $i;
+        }
+        if (!isset($record->intro)) {
+            $record->intro = 'Test resource ' . $i;
+        }
+        if (!isset($record->introformat)) {
+            $record->introformat = FORMAT_MOODLE;
+        }
+        if (!isset($record->display)) {
+            $record->display = RESOURCELIB_DISPLAY_AUTO;
+        }
+        if (isset($options['idnumber'])) {
+            $record->cmidnumber = $options['idnumber'];
+        } else {
+            $record->cmidnumber = '';
+        }
+        if (!isset($record->printheading)) {
+            $record->printheading = 1;
+        }
+        if (!isset($record->printintro)) {
+            $record->printintro = 0;
+        }
+        if (!isset($record->showsize)) {
+            $record->showsize = 0;
+        }
+        if (!isset($record->showtype)) {
+            $record->showtype = 0;
+        }
+
+        // The 'files' value corresponds to the draft file area ID. If not
+        // specified, create a default file.
+        if (!isset($record->files)) {
+            if (empty($USER->username) || $USER->username === 'guest') {
+                throw new coding_exception('resource generator requires a current user');
+            }
+            $usercontext = context_user::instance($USER->id);
+
+            // Pick a random context id for specified user.
+            $record->files = file_get_unused_draft_itemid();
+
+            // Add actual file there.
+            $filerecord = array('component' => 'user', 'filearea' => 'draft',
+                    'contextid' => $usercontext->id, 'itemid' => $record->files,
+                    'filename' => 'resource' . $i . '.txt', 'filepath' => '/');
+            $fs = get_file_storage();
+            $fs->create_file_from_string($filerecord, 'Test resource ' . $i . ' file');
+        }
+
+        // Do work to actually add the instance.
+        $record->coursemodule = $this->precreate_course_module($record->course, $options);
+        $id = resource_add_instance($record, null);
+        return $this->post_add_instance($id, $record->coursemodule);
+    }
+}
diff --git a/mod/resource/tests/generator_test.php b/mod/resource/tests/generator_test.php
new file mode 100644
index 00000000000..bd1821dbc22
--- /dev/null
+++ b/mod/resource/tests/generator_test.php
@@ -0,0 +1,75 @@
+<?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/>.
+
+/**
+ * PHPUnit data generator tests.
+ *
+ * @package mod_resource
+ * @category phpunit
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+
+/**
+ * PHPUnit data generator testcase.
+ *
+ * @package mod_resource
+ * @category phpunit
+ * @copyright 2013 The Open University
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class mod_resource_generator_testcase extends advanced_testcase {
+    public function test_generator() {
+        global $DB, $SITE;
+
+        $this->resetAfterTest(true);
+
+        // Must be a non-guest user to create resources.
+        $this->setAdminUser();
+
+        // There are 0 resources initially.
+        $this->assertEquals(0, $DB->count_records('resource'));
+
+        // Create the generator object and do standard checks.
+        $generator = $this->getDataGenerator()->get_plugin_generator('mod_resource');
+        $this->assertInstanceOf('mod_resource_generator', $generator);
+        $this->assertEquals('resource', $generator->get_modulename());
+
+        // Create three instances in the site course.
+        $generator->create_instance(array('course' => $SITE->id));
+        $generator->create_instance(array('course' => $SITE->id));
+        $resource = $generator->create_instance(array('course' => $SITE->id));
+        $this->assertEquals(3, $DB->count_records('resource'));
+
+        // Check the course-module is correct.
+        $cm = get_coursemodule_from_instance('resource', $resource->id);
+        $this->assertEquals($resource->id, $cm->instance);
+        $this->assertEquals('resource', $cm->modname);
+        $this->assertEquals($SITE->id, $cm->course);
+
+        // Check the context is correct.
+        $context = context_module::instance($cm->id);
+        $this->assertEquals($resource->cmid, $context->instanceid);
+
+        // Check that generated resource module contains a file.
+        $fs = get_file_storage();
+        $files = $fs->get_area_files($context->id, 'mod_resource', 'content', false, '', false);
+        $this->assertEquals(1, count($files));
+    }
+}