108 lines
3.6 KiB
PHP
108 lines
3.6 KiB
PHP
<?php
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/**
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* Joby's PHP Toolbox: https://go.joby.lol/phptoolbox
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* MIT License: Copyright (c) 2024 Joby Elliott
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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namespace Joby\Toolbox\Sorting;
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use PHPUnit\Framework\TestCase;
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/**
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* Test cases for the Sorter class.
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*/
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class SorterTest extends TestCase
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{
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/**
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* Confirm that sorting an empty array works.
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*/
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public function testEmptyArray()
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{
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$data = [];
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$sorter = new Sorter();
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$sorter->sort($data);
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$this->assertEquals([], $data);
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}
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/**
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* Confirm that sorting an array of integers works.
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*/
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public function testSortingIntegers()
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{
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$data = [3, 1, 4, 1, 5, 9];
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$sorter = new Sorter(fn ($a, $b) => $a <=> $b);
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$sorter->sort($data);
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$this->assertEquals([1, 1, 3, 4, 5, 9], $data);
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}
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/**
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* Confirm that sorting an array of strings works.
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*/
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public function testSortingStrings()
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{
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$data = ['apple', 'banana', 'cherry', 'date', 'elderberry'];
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$sorter = new Sorter(fn ($a, $b) => strcmp($a, $b));
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$sorter->sort($data);
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$this->assertEquals(['apple', 'banana', 'cherry', 'date', 'elderberry'], $data);
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}
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/**
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* Confirm that sorting an array of strings by length works.
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*/
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public function testSortingByLength()
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{
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$data = ['apple', 'banana', 'cherry', 'date', 'elderberry'];
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$sorter = new Sorter(fn ($a, $b) => strlen($a) <=> strlen($b));
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$sorter->sort($data);
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$this->assertEquals(['date', 'apple', 'banana', 'cherry', 'elderberry'], $data);
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}
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/**
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* Confirm that sorting an array of strings by length works with a second comparison
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* using strcmp to sort alphabetically in the case of a tie.
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*/
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public function testSortingByLengthWithTieBreaker()
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{
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$data = ['cc', 'c', 'ccc', 'aaa', 'aa', 'a', 'b', 'bb', 'bbb'];
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$sorter = new Sorter(
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fn ($a, $b) => strlen($a) <=> strlen($b),
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fn ($a, $b) => strcmp($a, $b)
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);
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$sorter->sort($data);
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$this->assertEquals(['a', 'b', 'c', 'aa', 'bb', 'cc', 'aaa', 'bbb', 'ccc'], $data);
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}
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/**
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* Confirm that adding sorters using addSorter() works as expected.
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*/
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public function testAddingSorters()
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{
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$data = ['cc', 'c', 'ccc', 'aaa', 'aa', 'a', 'b', 'bb', 'bbb'];
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$sorter = new Sorter();
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$sorter->addComparison(
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fn ($a, $b) => strlen($a) <=> strlen($b),
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fn ($a, $b) => strcmp($a, $b)
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);
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$sorter->sort($data);
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$this->assertEquals(['a', 'b', 'c', 'aa', 'bb', 'cc', 'aaa', 'bbb', 'ccc'], $data);
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}
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}
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