MDL-48273 singleview: unit tests of load_user method

diff --git a/grade/report/singleview/tests/fixtures/screen.php b/grade/report/singleview/tests/fixtures/screen.php
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+++ b/grade/report/singleview/tests/fixtures/screen.php
@@ -0,0 +1,52 @@
+<?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/>.
+
+/**
+ * Fixtures for single view report screen class testing.
+ *
+ * @package    gradereport_singleview
+ * @copyright  2014 onwards Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+class gradereport_singleview_screen_testable extends \gradereport_singleview\local\screen\screen {
+
+    /**
+     * Wrapper to make protected method accessible during testing.
+     *
+     * @return array returns array of users.
+     */
+    public function test_load_users() {
+        return $this->load_users();
+    }
+
+    /**
+     * Return the HTML for the page.
+     */
+    public function init($selfitemisempty = false) {}
+
+    /**
+     * Get the type of items on this screen, not valid so return false.
+     */
+    public function item_type() {}
+
+    /**
+     * Return the HTML for the page.
+     */
+    public function html() {}
+}

diff --git a/grade/report/singleview/tests/screen_test.php b/grade/report/singleview/tests/screen_test.php
new file mode 100644 (file)
index 0000000..2476d08
--- /dev/null
+++ b/grade/report/singleview/tests/screen_test.php
@@ -0,0 +1,92 @@
+<?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/>.
+
+/**
+ * Unit tests for gradereport_singleview screen class.
+ *
+ * @package    gradereport_singleview
+ * @category   test
+ * @copyright  2014 onwards Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+
+require_once(__DIR__ . '/fixtures/screen.php');
+
+defined('MOODLE_INTERNAL') || die();
+/**
+ * Tests for screen class.
+ *
+ * Class gradereport_singleview_screen_testcase.
+ */
+class gradereport_singleview_screen_testcase extends advanced_testcase {
+
+    /**
+     * Test load_users method.
+     */
+    public function test_load_users() {
+        global $DB;
+
+        $this->setAdminUser();
+        $this->resetAfterTest(true);
+
+        $roleteacher = $DB->get_record('role', array('shortname' => 'teacher'), '*', MUST_EXIST);
+
+        // Create a course, users and groups.
+        $course = $this->getDataGenerator()->create_course();
+        $coursecontext = context_course::instance($course->id);
+        $group = $this->getDataGenerator()->create_group(array('courseid' => $course->id));
+        $teacher = $this->getDataGenerator()->create_user();
+        $user1 = $this->getDataGenerator()->create_user();
+        $user2 = $this->getDataGenerator()->create_user();
+        $this->getDataGenerator()->enrol_user($teacher->id, $course->id, $roleteacher->id);
+        $this->getDataGenerator()->enrol_user($user1->id, $course->id);
+        $this->getDataGenerator()->enrol_user($user2->id, $course->id);
+        $this->getDataGenerator()->create_group_member(array('groupid' => $group->id, 'userid' => $teacher->id));
+        $this->getDataGenerator()->create_group_member(array('groupid' => $group->id, 'userid' => $user1->id));
+        $this->getDataGenerator()->create_group_member(array('groupid' => $group->id, 'userid' => $user2->id));
+
+        $screentest = new gradereport_singleview_screen_testable($course->id, 0, $group->id);
+        $groupusers = $screentest->test_load_users();
+        $this->assertCount(2, $groupusers);
+
+        // Now, let's suspend the enrolment of a user. Should return only one user.
+        $this->getDataGenerator()->enrol_user($user2->id, $course->id, $roleteacher->id, 'manual', 0, 0, ENROL_USER_SUSPENDED);
+        $users = $screentest->test_load_users();
+        $this->assertCount(1, $users);
+
+        // Change the viewsuspendedusers capabilities and set the user preference to display suspended users.
+        assign_capability('moodle/course:viewsuspendedusers', CAP_ALLOW, $roleteacher->id, $coursecontext, true);
+        set_user_preference('grade_report_showonlyactiveenrol', false, $teacher);
+        accesslib_clear_all_caches_for_unit_testing();
+        $this->setUser($teacher);
+        $screentest = new gradereport_singleview_screen_testable($course->id, 0, $group->id);
+        $users = $screentest->test_load_users();
+        $this->assertCount(2, $users);
+
+        // Change the capability again, now the user can't see the suspended enrolments.
+        assign_capability('moodle/course:viewsuspendedusers', CAP_PROHIBIT, $roleteacher->id, $coursecontext, true);
+        set_user_preference('grade_report_showonlyactiveenrol', false, $teacher);
+        accesslib_clear_all_caches_for_unit_testing();
+        $users = $screentest->test_load_users();
+        $this->assertCount(1, $users);
+
+        // Now, activate the user enrolment again. We shall get 2 users now.
+        $this->getDataGenerator()->enrol_user($user2->id, $course->id, $roleteacher->id, 'manual', 0, 0, ENROL_USER_ACTIVE);
+        $users = $screentest->test_load_users();
+        $this->assertCount(2, $users);
+    }
+}
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