debug

include/condorcet/Tests/src/Utils/VoteUtilTest.php

@@ -0,0 +1,77 @@
+<?php
+
+declare(strict_types=1);
+
+namespace CondorcetPHP\Condorcet\Tests\Utils;
+
+use CondorcetPHP\Condorcet\Utils\VoteUtil;
+use CondorcetPHP\Condorcet\Throwable\VoteInvalidFormatException;
+use PHPUnit\Framework\TestCase;
+
+class VoteUtilTest extends TestCase
+{
+    public function testTypeMismatchTagsThrowAnException(): never
+    {
+        $this->expectException(VoteInvalidFormatException::class);
+        $this->expectExceptionMessage('The format of the vote is invalid: every tag must be of type string, array given');
+        VoteUtil::tagsConvert(['not', 'a', 'string:', []]);
+    }
+
+    public function testEmptyTagsThrowAnException(): never
+    {
+        $this->expectException(VoteInvalidFormatException::class);
+        $this->expectExceptionMessage('The format of the vote is invalid: found empty tag');
+        VoteUtil::tagsConvert('an , empty, tag , , in, the, middle');
+    }
+
+    /**
+     * @dataProvider tagsProvider()
+     */
+    public function testTagsGetConverted($tags, $expected): void
+    {
+        $this->assertSame($expected, VoteUtil::tagsConvert($tags));
+    }
+
+    public function testGetRankingAsString(): void
+    {
+        // Empty ranking
+        $this->assertEquals('', VoteUtil::getRankingAsString([]));
+
+        // String ranking
+        $this->assertEquals('A > B > C', VoteUtil::getRankingAsString(['A', 'B', 'C']));
+
+        // Array ranking
+        $this->assertEquals('A = B > C', VoteUtil::getRankingAsString([['A', 'B'], 'C']));
+
+        // Unsorted array ranking
+        $this->assertEquals('A = B > C', VoteUtil::getRankingAsString([['B', 'A'], 'C']));
+    }
+
+    public function tagsProvider(): iterable
+    {
+        yield 'null tags' => [
+            'tags' => null,
+            'expected' => null,
+        ];
+
+        yield 'empty string' => [
+            'tags' => '',
+            'expected' => null,
+        ];
+
+        yield 'empty array' => [
+            'tags' => [],
+            'expected' => null,
+        ];
+
+        yield 'tags as string' => [
+            'tags' => 'these, are,   some   , tags',
+            'expected' => ['these', 'are', 'some', 'tags'],
+        ];
+
+        yield 'tags as array' => [
+            'tags' => ['these', 'are', 'some', 'more', 'tags'],
+            'expected' => ['these', 'are', 'some', 'more', 'tags'],
+        ];
+    }
+}