Benjamin Walker
141 lines
4.5 KiB
PHP
141 lines
4.5 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace core_cache;
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/**
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* PHPunit tests for the cache_helper class.
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*
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* @package core_cache
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* @category cache
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* @copyright 2023 Andrew Lyons <andrew@nicols.co.uk>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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* @covers \core_cache\helper
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*/
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final class cache_helper_test extends \advanced_testcase {
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/**
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* Test the result_found method.
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*
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* @param mixed $value
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* @param bool $expected
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* @dataProvider result_found_provider
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*/
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public function test_result_found($value, bool $expected): void {
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$this->assertEquals($expected, helper::result_found($value));
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}
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/**
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* Data provider for result_found tests.
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*
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* @return array
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*/
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public static function result_found_provider(): array {
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return [
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// Only false values are considered as not found.
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[false, false],
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// The rest are considered valid values.
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[null, true],
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[0, true],
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['', true],
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[[], true],
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[new \stdClass(), true],
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[true, true],
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[1, true],
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['a', true],
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[[1], true],
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[new \stdClass(), true],
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];
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}
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/**
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* Test the filter_sorted_keys_by_prefixes method.
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*
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* @param array $keys
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* @param array $prefixes
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* @param array $expected
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* @dataProvider filter_sorted_keys_by_prefixes_provider
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*/
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public function test_filter_sorted_keys_by_prefixes(array $keys, array $prefixes, array $expected): void {
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$this->assertEquals($expected, helper::filter_sorted_keys_by_prefixes($keys, $prefixes));
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}
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/**
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* Data provider for filter_sorted_keys_by_prefixes tests.
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*
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* @return array
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*/
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public static function filter_sorted_keys_by_prefixes_provider(): array {
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return [
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'simple match' => [
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'keys' => ['aa', 'ab', 'ba', 'bb'],
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'prefixes' => ['a'],
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'expected' => ['aa', 'ab'],
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],
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'multiple prefixes match' => [
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'keys' => ['aa', 'ab', 'ba', 'bb', 'ca', 'cb'],
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'prefixes' => ['a', 'c'],
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'expected' => ['aa', 'ab', 'ca', 'cb'],
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],
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'consecutive prefixes match' => [
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'keys' => ['aa', 'ab', 'ba', 'bb', 'ca', 'cb'],
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'prefixes' => ['a', 'b'],
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'expected' => ['aa', 'ab', 'ba', 'bb'],
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],
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'overlapping prefixes' => [
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'keys' => ['a', 'ab', 'abc', 'abcd'],
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'prefixes' => ['ab', 'abc'],
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'expected' => ['ab', 'abc', 'abcd'],
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],
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'exact match' => [
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'keys' => ['a', 'b', 'c'],
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'prefixes' => ['a', 'c'],
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'expected' => ['a', 'c'],
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],
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'duplicate keys' => [
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'keys' => ['a', 'a', 'b', 'c'],
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'prefixes' => ['a'],
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'expected' => ['a', 'a'],
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],
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'duplicate prefixes' => [
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'keys' => ['a', 'b', 'c'],
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'prefixes' => ['a', 'a', 'b'],
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'expected' => ['a', 'b'],
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],
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'unsorted keys boundry' => [
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'keys' => ['c', 'b', 'a'],
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'prefixes' => ['a'],
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'expected' => [],
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],
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'unsorted prefixes boundry' => [
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'keys' => ['a', 'b', 'c'],
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'prefixes' => ['d', 'a'],
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'expected' => [],
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],
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'empty keys' => [
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'keys' => [],
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'prefixes' => ['a'],
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'expected' => [],
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],
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'empty prefixes' => [
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'keys' => ['a', 'b', 'c'],
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'prefixes' => [],
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'expected' => [],
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],
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];
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}
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}
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