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MDL-70741 capability overview: avoid errors from orphan contexts
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<?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/>. | ||
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/** | ||
* Tests for the capability overview helper functions. | ||
* | ||
* @package tool_capability | ||
* @copyright 2021 The Open University | ||
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later. | ||
*/ | ||
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defined('MOODLE_INTERNAL') || die(); | ||
global $CFG; | ||
require_once($CFG->dirroot . '/' . $CFG->admin . '/tool/capability/locallib.php'); | ||
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/** | ||
* Tests for the capability overview helper functions. | ||
*/ | ||
class tool_capability_locallib_testcase extends advanced_testcase { | ||
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/** | ||
* Test the function that gets the data - simple case. | ||
*/ | ||
public function test_tool_capability_calculate_role_data() { | ||
global $DB; | ||
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$data = tool_capability_calculate_role_data('mod/quiz:attempt', get_all_roles()); | ||
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$systcontext = context_system::instance(); | ||
$studentroleid = $DB->get_field('role', 'id', ['shortname' => 'student']); | ||
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$this->assertArrayHasKey($systcontext->id, $data); | ||
$this->assertCount(1, $data); | ||
foreach ($data[$systcontext->id]->rolecapabilities as $roleid => $permission) { | ||
if ($roleid == $studentroleid) { | ||
$this->assertEquals(CAP_ALLOW, $permission); | ||
} else { | ||
$this->assertEquals(CAP_INHERIT, $permission); | ||
} | ||
} | ||
} | ||
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/** | ||
* Test the function that gets the data - simple case. | ||
*/ | ||
public function test_tool_capability_calculate_role_data_orphan_contexts() { | ||
global $DB; | ||
$this->resetAfterTest(); | ||
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// This simulates a situation that seems to happen sometimes, where | ||
// we end up with contexts with path = NULL in the database. | ||
$systcontext = context_system::instance(); | ||
$generator = $this->getDataGenerator(); | ||
$course = $generator->create_course(); | ||
$coursecontext = context_course::instance($course->id); | ||
$studentroleid = $DB->get_field('role', 'id', ['shortname' => 'student']); | ||
role_change_permission($studentroleid, $coursecontext, 'mod/quiz:attempt', CAP_PREVENT); | ||
// This is where we simulate the breakage. | ||
$DB->set_field('context', 'path', null, ['id' => $coursecontext->id]); | ||
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// Now call the function. We mainly just want to know there is no exception. | ||
$data = tool_capability_calculate_role_data('mod/quiz:attempt', get_all_roles()); | ||
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$this->assertArrayHasKey($systcontext->id, $data); | ||
$this->assertCount(1, $data); | ||
foreach ($data[$systcontext->id]->rolecapabilities as $roleid => $permission) { | ||
if ($roleid == $studentroleid) { | ||
$this->assertEquals(CAP_ALLOW, $permission); | ||
} else { | ||
$this->assertEquals(CAP_INHERIT, $permission); | ||
} | ||
} | ||
} | ||
} |