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é©¤&‡ïDbàÁôMÁ.<?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/>.

namespace enrol_paypal;

/**
 * paypal enrolment plugin tests.
 *
 * @package    enrol_paypal
 * @category   test
 * @copyright  2012 Petr Skoda {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class paypal_test extends \advanced_testcase {

    protected function enable_plugin() {
        $enabled = enrol_get_plugins(true);
        $enabled['paypal'] = true;
        $enabled = array_keys($enabled);
        set_config('enrol_plugins_enabled', implode(',', $enabled));
    }

    protected function disable_plugin() {
        $enabled = enrol_get_plugins(true);
        unset($enabled['paypal']);
        $enabled = array_keys($enabled);
        set_config('enrol_plugins_enabled', implode(',', $enabled));
    }

    public function test_basics() {
        $this->assertFalse(enrol_is_enabled('paypal'));
        $plugin = enrol_get_plugin('paypal');
        $this->assertInstanceOf('enrol_paypal_plugin', $plugin);
        $this->assertEquals(ENROL_EXT_REMOVED_SUSPENDNOROLES, get_config('enrol_paypal', 'expiredaction'));
    }

    public function test_sync_nothing() {
        $this->resetAfterTest();

        $this->enable_plugin();
        $paypalplugin = enrol_get_plugin('paypal');

        // Just make sure the sync does not throw any errors when nothing to do.
        $paypalplugin->sync(new \null_progress_trace());
    }

    public function test_expired() {
        global $DB;
        $this->resetAfterTest();

        /** @var \enrol_paypal_plugin $paypalplugin  */
        $paypalplugin = enrol_get_plugin('paypal');
        /** @var \enrol_manual_plugin $manualplugin  */
        $manualplugin = enrol_get_plugin('manual');
        $this->assertNotEmpty($manualplugin);

        $now = time();
        $trace = new \null_progress_trace();
        $this->enable_plugin();


        // Prepare some data.

        $studentrole = $DB->get_record('role', array('shortname'=>'student'));
        $this->assertNotEmpty($studentrole);
        $teacherrole = $DB->get_record('role', array('shortname'=>'teacher'));
        $this->assertNotEmpty($teacherrole);
        $managerrole = $DB->get_record('role', array('shortname'=>'manager'));
        $this->assertNotEmpty($managerrole);

        $user1 = $this->getDataGenerator()->create_user();
        $user2 = $this->getDataGenerator()->create_user();
        $user3 = $this->getDataGenerator()->create_user();
        $user4 = $this->getDataGenerator()->create_user();

        $course1 = $this->getDataGenerator()->create_course();
        $course2 = $this->getDataGenerator()->create_course();
        $context1 = \context_course::instance($course1->id);
        $context2 = \context_course::instance($course2->id);

        $data = array('roleid'=>$studentrole->id, 'courseid'=>$course1->id);
        $id = $paypalplugin->add_instance($course1, $data);
        $instance1  = $DB->get_record('enrol', array('id'=>$id));
        $data = array('roleid'=>$studentrole->id, 'courseid'=>$course2->id);
        $id = $paypalplugin->add_instance($course2, $data);
        $instance2 = $DB->get_record('enrol', array('id'=>$id));
        $data = array('roleid'=>$teacherrole->id, 'courseid'=>$course2->id);
        $id = $paypalplugin->add_instance($course2, $data);
        $instance3 = $DB->get_record('enrol', array('id'=>$id));

        $maninstance1 = $DB->get_record('enrol', array('courseid'=>$course2->id, 'enrol'=>'manual'), '*', MUST_EXIST);

        $manualplugin->enrol_user($maninstance1, $user3->id, $studentrole->id);

        $this->assertEquals(1, $DB->count_records('user_enrolments'));
        $this->assertEquals(1, $DB->count_records('role_assignments'));
        $this->assertEquals(1, $DB->count_records('role_assignments', array('roleid'=>$studentrole->id)));

        $paypalplugin->enrol_user($instance1, $user1->id, $studentrole->id);
        $paypalplugin->enrol_user($instance1, $user2->id, $studentrole->id);
        $paypalplugin->enrol_user($instance1, $user3->id, $studentrole->id, 0, $now-60);

        $paypalplugin->enrol_user($instance2, $user1->id, $studentrole->id, 0, 0);
        $paypalplugin->enrol_user($instance2, $user2->id, $studentrole->id, 0, $now-60*60);
        $paypalplugin->enrol_user($instance2, $user3->id, $studentrole->id, 0, $now+60*60);

        $paypalplugin->enrol_user($instance3, $user1->id, $teacherrole->id, $now-60*60*24*7, $now-60);
        $paypalplugin->enrol_user($instance3, $user4->id, $teacherrole->id);

        role_assign($managerrole->id, $user3->id, $context1->id);

        $this->assertEquals(9, $DB->count_records('user_enrolments'));
        $this->assertEquals(9, $DB->count_records('role_assignments'));
        $this->assertEquals(6, $DB->count_records('role_assignments', array('roleid'=>$studentrole->id)));
        $this->assertEquals(2, $DB->count_records('role_assignments', array('roleid'=>$teacherrole->id)));
        $this->assertEquals(1, $DB->count_records('role_assignments', array('roleid'=>$managerrole->id)));

        // Execute tests.

        $paypalplugin->set_config('expiredaction', ENROL_EXT_REMOVED_KEEP);
        $code = $paypalplugin->sync($trace);
        $this->assertSame(0, $code);
        $this->assertEquals(9, $DB->count_records('user_enrolments'));
        $this->assertEquals(9, $DB->count_records('role_assignments'));


        $paypalplugin->set_config('expiredaction', ENROL_EXT_REMOVED_SUSPENDNOROLES);
        $paypalplugin->sync($trace);
        $this->assertEquals(9, $DB->count_records('user_enrolments'));
        $this->assertEquals(6, $DB->count_records('role_assignments'));
        $this->assertEquals(4, $DB->count_records('role_assignments', array('roleid'=>$studentrole->id)));
        $this->assertEquals(1, $DB->count_records('role_assignments', array('roleid'=>$teacherrole->id)));
        $this->assertFalse($DB->record_exists('role_assignments', array('contextid'=>$context1->id, 'userid'=>$user3->id, 'roleid'=>$studentrole->id)));
        $this->assertFalse($DB->record_exists('role_assignments', array('contextid'=>$context2->id, 'userid'=>$user2->id, 'roleid'=>$studentrole->id)));
        $this->assertFalse($DB->record_exists('role_assignments', array('contextid'=>$context2->id, 'userid'=>$user1->id, 'roleid'=>$teacherrole->id)));
        $this->assertTrue($DB->record_exists('role_assignments', array('contextid'=>$context2->id, 'userid'=>$user1->id, 'roleid'=>$studentrole->id)));


        $paypalplugin->set_config('expiredaction', ENROL_EXT_REMOVED_UNENROL);
        role_assign($studentrole->id, $user3->id, $context1->id);
        role_assign($studentrole->id, $user2->id, $context2->id);
        role_assign($teacherrole->id, $user1->id, $context2->id);
        $this->assertEquals(9, $DB->count_records('user_enrolments'));
        $this->assertEquals(9, $DB->count_records('role_assignments'));
        $this->assertEquals(6, $DB->count_records('role_assignments', array('roleid'=>$studentrole->id)));
        $this->assertEquals(2, $DB->count_records('role_assignments', array('roleid'=>$teacherrole->id)));
        $paypalplugin->sync($trace);
        $this->assertEquals(6, $DB->count_records('user_enrolments'));
        $this->assertFalse($DB->record_exists('user_enrolments', array('enrolid'=>$instance1->id, 'userid'=>$user3->id)));
        $this->assertFalse($DB->record_exists('user_enrolments', array('enrolid'=>$instance2->id, 'userid'=>$user2->id)));
        $this->assertFalse($DB->record_exists('user_enrolments', array('enrolid'=>$instance3->id, 'userid'=>$user1->id)));
        $this->assertEquals(5, $DB->count_records('role_assignments'));
        $this->assertEquals(4, $DB->count_records('role_assignments', array('roleid'=>$studentrole->id)));
        $this->assertEquals(1, $DB->count_records('role_assignments', array('roleid'=>$teacherrole->id)));
    }

    /**
     * Test for getting user enrolment actions.
     */
    public function test_get_user_enrolment_actions() {
        global $CFG, $PAGE;
        $this->resetAfterTest();

        // Set page URL to prevent debugging messages.
        $PAGE->set_url('/enrol/editinstance.php');

        $pluginname = 'paypal';

        // Only enable the paypal enrol plugin.
        $CFG->enrol_plugins_enabled = $pluginname;

        $generator = $this->getDataGenerator();

        // Get the enrol plugin.
        $plugin = enrol_get_plugin($pluginname);

        // Create a course.
        $course = $generator->create_course();
        // Enable this enrol plugin for the course.
        $plugin->add_instance($course);

        // Create a student.
        $student = $generator->create_user();
        // Enrol the student to the course.
        $generator->enrol_user($student->id, $course->id, 'student', $pluginname);

        require_once($CFG->dirroot . '/enrol/locallib.php');
        $manager = new \course_enrolment_manager($PAGE, $course);
        $userenrolments = $manager->get_user_enrolments($student->id);
        $this->assertCount(1, $userenrolments);

        $ue = reset($userenrolments);

        // Login as admin to see all enrol actions.
        $this->setAdminUser();
        $actions = $plugin->get_user_enrolment_actions($manager, $ue);

        // Paypal enrolment has 2 enrol actions for active users when logged in as admin: edit and unenrol.
        $this->assertCount(2, $actions);

        // Enrol actions when viewing as a teacher.
        // Create a teacher.
        $teacher = $generator->create_user();
        // Enrol the teacher to the course.
        $generator->enrol_user($teacher->id, $course->id, 'editingteacher', $pluginname);
        // Login as the teacher.
        $this->setUser($teacher);
        $actions = $plugin->get_user_enrolment_actions($manager, $ue);
        // Teachers don't have the enrol/paypal:unenrol capability by default, but have enrol/paypal:manage.
        $this->assertCount(1, $actions);
    }
}