the order in which Twig init and page rendering happened */ private array $calls = []; protected function setUp(): void { $this->calls = []; $calls = &$this->calls; TestHelper::createMockGrav([ 'twig' => new class ($calls) { public function __construct(private array &$calls) {} public function init(): static { $this->calls[] = 'twig.init'; return $this; } }, ]); } protected function tearDown(): void { \Grav\Common\Grav::resetInstance(); } private function page(): PageRenderingInterface { $page = $this->createMock(PageRenderingInterface::class); $page->method('header')->willReturn(new \stdClass()); $page->method('children')->willReturn(new \ArrayIterator([])); $page->method('published')->willReturn(true); $page->method('content')->willReturnCallback(function (): string { $this->calls[] = 'page.content'; return '

rendered

'; }); return $page; } #[Test] public function render_content_initialises_twig_before_the_page_renders(): void { $data = (new PageSerializer())->serialize($this->page(), [ 'include_content' => false, 'include_media' => false, 'render_content' => true, ]); self::assertSame('

rendered

', $data['content_html']); self::assertSame(['twig.init', 'page.content'], $this->calls); } #[Test] public function a_plain_serialize_leaves_twig_alone(): void { (new PageSerializer())->serialize($this->page(), ['include_content' => false, 'include_media' => false]); self::assertSame([], $this->calls); } } /** * The rendering call the serializer makes, spelled out so the page can be * mocked whichever PageInterface (Grav's or the test stub) is loaded. */ interface PageRenderingInterface extends PageInterface { public function content($var = null); }