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   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core_cache;
  18  
  19  /**
  20   * PHPunit tests for the cache_helper class.
  21   *
  22   * @package    core
  23   * @category   cache
  24   * @copyright  2023 Andrew Lyons <andrew@nicols.co.uk>
  25   * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  26   * @coversDefaultClass \cache_helper
  27   */
  28  class cache_helper_test extends \advanced_testcase {
  29      /**
  30       * Test the result_found method.
  31       *
  32       * @param mixed $value
  33       * @param bool $expected
  34       * @dataProvider result_found_provider
  35       * @covers ::result_found
  36       */
  37      public function test_result_found($value, bool $expected): void {
  38          $this->assertEquals($expected, \cache_helper::result_found($value));
  39      }
  40  
  41      /**
  42       * Data provider for result_found tests.
  43       *
  44       * @return array
  45       */
  46      public function result_found_provider(): array {
  47          return [
  48              // Only false values are considered as not found.
  49              [false, false],
  50  
  51              // The rest are considered valid values.
  52              [null, true],
  53              [0, true],
  54              ['', true],
  55              [[], true],
  56              [new \stdClass(), true],
  57              [true, true],
  58              [1, true],
  59              ['a', true],
  60              [[1], true],
  61              [new \stdClass(), true],
  62          ];
  63      }
  64  }