class MetadataBubblingUrlGeneratorTest

class MetadataBubblingUrlGeneratorTest extends UrlGeneratorTest {
    
    /**
     * The renderer.
     *
     * @var \Drupal\Core\Render\RendererInterface|\PHPUnit\Framework\MockObject\MockObject
     */
    protected $renderer;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp() {
        parent::setUp();
        $this->renderer = $this->createMock('\\Drupal\\Core\\Render\\RendererInterface');
        $this->renderer
            ->expects($this->any())
            ->method('hasRenderContext')
            ->willReturn(TRUE);
        $this->generator = new MetadataBubblingUrlGenerator($this->generator, $this->renderer);
    }
    
    /**
     * Tests bubbling of cacheable metadata for URLs.
     *
     * @param bool $collect_bubbleable_metadata
     *   Whether bubbleable metadata should be collected.
     * @param int $invocations
     *   The expected amount of invocations for the ::bubble() method.
     * @param array $options
     *   The URL options.
     *
     * @covers ::bubble
     *
     * @dataProvider providerUrlBubbleableMetadataBubbling
     */
    public function testUrlBubbleableMetadataBubbling($collect_bubbleable_metadata, $invocations, array $options) {
        $self = $this;
        $this->renderer
            ->expects($this->exactly($invocations))
            ->method('render')
            ->willReturnCallback(function ($build) use ($self) {
            $self->assertTrue(!empty($build['#cache']));
        });
        $url = new Url('test_1', [], $options);
        $url->setUrlGenerator($this->generator);
        $url->toString($collect_bubbleable_metadata);
    }
    
    /**
     * Data provider for ::testUrlBubbleableMetadataBubbling().
     */
    public function providerUrlBubbleableMetadataBubbling() {
        return [
            // No bubbling when bubbleable metadata is collected.
[
                TRUE,
                0,
                [],
            ],
            // Bubbling when bubbleable metadata is not collected.
[
                FALSE,
                1,
                [],
            ],
        ];
    }

}