addExtension(new CommonMarkCoreExtension()); $converter = new MarkdownToXmlConverter($environment); $actual = $converter->convert('# Hello World'); $expected = <<<'XML' Hello World XML; $this->assertInstanceOf(RenderedContentInterface::class, $actual); $this->assertSame($expected, $actual->getContent()); } public function testInvokeReturnsSameOutputAsConvert(): void { $environment = new Environment(); $environment->addExtension(new CommonMarkCoreExtension()); $converter = new MarkdownToXmlConverter($environment); $inputMarkdown = '# Hello World'; $this->assertEquals($converter->convert($inputMarkdown), $converter($inputMarkdown)); } }