MDL-60416 mod_lti: add unit test for gradebook cleanup task

mod/lti/service/gradebookservices/tests/task_cleanup_test.php

@@ -0,0 +1,103 @@
+<?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/>.
+
+/**
+ * Tests cleaning up the gradebook services task.
+ *
+ * @package ltiservice_gradebookservices
+ * @category test
+ * @copyright 2018 Mark Nelson <markn@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Tests cleaning up the gradebook services task.
+ *
+ * @package ltiservice_gradebookservices
+ * @category test
+ * @copyright 2018 Mark Nelson <markn@moodle.com>
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class ltiservice_gradebookservices_cleanup_task_testcase extends advanced_testcase {
+
+    /**
+     * Test set up.
+     *
+     * This is executed before running any test in this file.
+     */
+    public function setUp() {
+        $this->resetAfterTest();
+    }
+
+    /**
+     * Test the cleanup task.
+     */
+    public function test_cleanup_task() {
+        global $DB;
+
+        // Create a course.
+        $course = $this->getDataGenerator()->create_course();
+
+        // Create a few LTI items.
+        $lti = $this->getDataGenerator()->create_module('lti', ['course' => $course->id]);
+        $lti2 = $this->getDataGenerator()->create_module('lti', ['course' => $course->id]);
+
+        $conditions = [
+            'courseid' => $course->id,
+            'itemtype' => 'mod',
+            'itemmodule' => 'lti',
+            'iteminstance' => $lti->id
+        ];
+
+        // Get the grade items.
+        $gradeitem = $DB->get_record('grade_items', $conditions);
+
+        $conditions['iteminstance'] = $lti2->id;
+        $gradeitem2 = $DB->get_record('grade_items', $conditions);
+
+        // Insert these into the 'ltiservice_gradebookservices' table.
+        $data = new stdClass();
+        $data->gradeitemid = $gradeitem->id;
+        $data->courseid = $course->id;
+        $DB->insert_record('ltiservice_gradebookservices', $data);
+
+        $data->gradeitemid = $gradeitem2->id;
+        $DB->insert_record('ltiservice_gradebookservices', $data);
+
+        $task = new \ltiservice_gradebookservices\task\cleanup_task();
+        $task->execute();
+
+        // Check they both still exist.
+        $this->assertEquals(2, $DB->count_records('ltiservice_gradebookservices'));
+
+        // Delete the first LTI activity.
+        course_delete_module($lti->cmid);
+
+        // Run the task again.
+        $task = new \ltiservice_gradebookservices\task\cleanup_task();
+        $task->execute();
+
+        // Check only the second grade item exists.
+        $gradebookserviceitems = $DB->get_records('ltiservice_gradebookservices');
+        $this->assertCount(1, $gradebookserviceitems);
+
+        $gradebookserviceitem = reset($gradebookserviceitems);
+
+        $this->assertEquals($gradeitem2->id, $gradebookserviceitem->gradeitemid);
+    }
+}