[AB-1111] Írj UnitTestet a következő fájlhoz: RssParser

tests/Parser/RssParserTest.php

@@ -0,0 +1,83 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Igzard\Ncore\Tests\Parser;
+
+use Igzard\Ncore\Exception\EmptyResponseException;
+use Igzard\Ncore\Parser\RssParser;
+use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\StreamInterface;
+
+class RssParserTest extends TestCase
+{
+    private RssParser $rssParser;
+
+    protected function setUp(): void
+    {
+        $this->rssParser = new RssParser();
+    }
+
+    /**
+     * @dataProvider validXmlDataProvider
+     */
+    public function testParseWithValidXml(string $xmlContent, string $expectedRootElement): void
+    {
+        $stream = $this->createMock(StreamInterface::class);
+        $stream->method('getContents')->willReturn($xmlContent);
+
+        $response = $this->createMock(ResponseInterface::class);
+        $response->method('getBody')->willReturn($stream);
+
+        $result = $this->rssParser->parse($response);
+
+        $this->assertInstanceOf(\SimpleXMLElement::class, $result);
+        $this->assertEquals($expectedRootElement, $result->getName());
+    }
+
+    public function testParseWithEmptyResponse(): void
+    {
+        $this->expectException(EmptyResponseException::class);
+        $this->expectExceptionMessage('Empty response received');
+
+        $stream = $this->createMock(StreamInterface::class);
+        $stream->method('getContents')->willReturn('');
+
+        $response = $this->createMock(ResponseInterface::class);
+        $response->method('getBody')->willReturn($stream);
+
+        $this->rssParser->parse($response);
+    }
+
+    public function testParseWithInvalidXml(): void
+    {
+        $stream = $this->createMock(StreamInterface::class);
+        $stream->method('getContents')->willReturn('invalid xml content');
+
+        $response = $this->createMock(ResponseInterface::class);
+        $response->method('getBody')->willReturn($stream);
+
+        $result = $this->rssParser->parse($response);
+
+        $this->assertFalse($result);
+    }
+
+    public static function validXmlDataProvider(): array
+    {
+        return [
+            'basic RSS feed' => [
+                'xmlContent' => '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Test RSS</title></channel></rss>',
+                'expectedRootElement' => 'rss'
+            ],
+            'simple XML' => [
+                'xmlContent' => '<?xml version="1.0"?><root><item>test</item></root>',
+                'expectedRootElement' => 'root'
+            ],
+            'XML with namespaces' => [
+                'xmlContent' => '<?xml version="1.0"?><feed xmlns="http://www.w3.org/2005/Atom"><title>Test Feed</title></feed>',
+                'expectedRootElement' => 'feed'
+            ]
+        ];
+    }
+}