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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/>.
/**
* Unit Tests for the abstract contextlist Class
*
* @package core_privacy
* @category test
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
use \core_privacy\local\request\contextlist_base;
/**
* Tests for the \core_privacy API's contextlist base functionality.
*
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @coversDefaultClass \core_privacy\local\request\contextlist_base
*/
class contextlist_base_test extends advanced_testcase {
/**
* Ensure that get_contextids returns the list of unique contextids.
*
* @dataProvider get_contextids_provider
* @param array $input List of context IDs
* @param array $expected list of contextids
* @param int $count Expected count
* @covers ::get_contextids
* @covers ::<!public>
*/
public function test_get_contextids($input, $expected, $count) {
$uit = new test_contextlist_base();
$uit->set_contextids($input);
$result = $uit->get_contextids();
$this->assertCount($count, $result);
// Note: Array order is not guaranteed and should not matter.
foreach ($expected as $contextid) {
$this->assertNotFalse(array_search($contextid, $result));
}
}
/**
* Provider for the list of contextids.
*
* @return array
*/
public function get_contextids_provider() {
return [
'basic' => [
[1, 2, 3, 4, 5],
[1, 2, 3, 4, 5],
5,
],
'duplicates' => [
[1, 1, 2, 2, 3, 4, 5],
[1, 2, 3, 4, 5],
5,
],
'Mixed order with duplicates' => [
[5, 4, 2, 5, 4, 1, 3, 4, 1, 5, 5, 5, 2, 4, 1, 2],
[1, 2, 3, 4, 5],
5,
],
];
}
/**
* Ensure that get_contexts returns the correct list of contexts.
*
* @covers ::get_contexts
* @covers ::<!public>
*/
public function test_get_contexts() {
global $DB;
$contexts = [];
$contexts[] = \context_system::instance();
$contexts[] = \context_user::instance(\core_user::get_user_by_username('admin')->id);
$ids = [];
foreach ($contexts as $context) {
$ids[] = $context->id;
}
$uit = new test_contextlist_base();
$uit->set_contextids($ids);
$result = $uit->get_contexts();
$this->assertCount(count($contexts), $result);
foreach ($contexts as $context) {
$this->assertNotFalse(array_search($context, $result));
}
}
/**
* Ensure that the contextlist_base is countable.
*
* @dataProvider get_contextids_provider
* @param array $input List of context IDs
* @param array $expected list of contextids
* @param int $count Expected count
* @covers ::count
* @covers ::<!public>
*/
public function test_countable($input, $expected, $count) {
$uit = new test_contextlist_base();
$uit->set_contextids($input);
$this->assertCount($count, $uit);
}
/**
* Ensure that the contextlist_base iterates over the set of contexts.
*
* @covers ::current
* @covers ::key
* @covers ::next
* @covers ::rewind
* @covers ::valid
* @covers ::<!public>
*/
public function test_context_iteration() {
global $DB;
$allcontexts = $DB->get_records('context');
$contexts = [];
foreach ($allcontexts as $context) {
$contexts[] = \context::instance_by_id($context->id);
}
$uit = new test_contextlist_base();
$uit->set_contextids(array_keys($allcontexts));
foreach ($uit as $key => $context) {
$this->assertNotFalse(array_search($context, $contexts));
}
}
/**
* Test that deleting a context results in current returning nothing.
*
* @covers ::current
* @covers ::<!public>
*/
public function test_current_context_one_context() {
global $DB;
$this->resetAfterTest();
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 45,
'path' => '1/5/67/107',
'depth' => 4
];
$contextid = $DB->insert_record('context', $data);
$contextbase = new test_contextlist_base();
$contextbase->set_contextids([$contextid]);
$this->assertCount(1, $contextbase);
$currentcontext = $contextbase->current();
$this->assertEquals($contextid, $currentcontext->id);
$DB->delete_records('context', ['id' => $contextid]);
context_helper::reset_caches();
$this->assertEmpty($contextbase->current());
}
/**
* Test that deleting a context results in the next record being returned.
*
* @covers ::current
* @covers ::<!public>
*/
public function test_current_context_two_contexts() {
global $DB;
$this->resetAfterTest();
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 45,
'path' => '1/5/67/107',
'depth' => 4
];
$contextid1 = $DB->insert_record('context', $data);
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 47,
'path' => '1/5/54/213',
'depth' => 4
];
$contextid2 = $DB->insert_record('context', $data);
$contextbase = new test_contextlist_base();
$contextbase->set_contextids([$contextid1, $contextid2]);
$this->assertCount(2, $contextbase);
$DB->delete_records('context', ['id' => $contextid1]);
context_helper::reset_caches();
// Current should return context 2.
$this->assertEquals($contextid2, $contextbase->current()->id);
}
/**
* Test that if there are no non-deleted contexts that nothing is returned.
*
* @covers ::get_contexts
* @covers ::<!public>
*/
public function test_get_contexts_all_deleted() {
global $DB;
$this->resetAfterTest();
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 45,
'path' => '1/5/67/107',
'depth' => 4
];
$contextid = $DB->insert_record('context', $data);
$contextbase = new test_contextlist_base();
$contextbase->set_contextids([$contextid]);
$this->assertCount(1, $contextbase);
$DB->delete_records('context', ['id' => $contextid]);
context_helper::reset_caches();
$this->assertEmpty($contextbase->get_contexts());
}
/**
* Test that get_contexts() returns only active contexts.
*
* @covers ::get_contexts
* @covers ::<!public>
*/
public function test_get_contexts_one_deleted() {
global $DB;
$this->resetAfterTest();
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 45,
'path' => '1/5/67/107',
'depth' => 4
];
$contextid1 = $DB->insert_record('context', $data);
$data = (object) [
'contextlevel' => CONTEXT_BLOCK,
'instanceid' => 47,
'path' => '1/5/54/213',
'depth' => 4
];
$contextid2 = $DB->insert_record('context', $data);
$contextbase = new test_contextlist_base();
$contextbase->set_contextids([$contextid1, $contextid2]);
$this->assertCount(2, $contextbase);
$DB->delete_records('context', ['id' => $contextid1]);
context_helper::reset_caches();
$contexts = $contextbase->get_contexts();
$this->assertCount(1, $contexts);
$context = array_shift($contexts);
$this->assertEquals($contextid2, $context->id);
}
}
/**
* A test class extending the contextlist_base allowing setting of the
* contextids.
*
* @copyright 2018 Andrew Nicols <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class test_contextlist_base extends contextlist_base {
/**
* Set the contextids for the test class.
*
* @param int[] $contexids The list of contextids to use.
*/
public function set_contextids(array $contextids) {
parent::set_contextids($contextids);
}
}