Issue #2426447 by mpdonadio, Berdir: Views no longer supports {{ something }} as twig placeholder for a path, only {{something}}

core/modules/views/src/Plugin/views/PluginBase.php

@@ -104,6 +104,12 @@ abstract class PluginBase extends ComponentPluginBase implements ContainerFactor
    */
   protected $usesOptions = FALSE;
 
+  /**
+   * Stores the render API renderer.
+   *
+   * @var \Drupal\Core\Render\RendererInterface
+   */
+  protected $renderer;
 
   /**
    * Constructs a PluginBase object.
@@ -364,14 +370,14 @@ abstract class PluginBase extends ComponentPluginBase implements ContainerFactor
     // Non-Twig tokens are a straight string replacement, Twig tokens get run
     // through an inline template for rendering and replacement.
     $text = strtr($text, $other_tokens);
-    if ($twig_tokens) {
+    if ($twig_tokens && !empty($text)) {
       $build = array(
         '#type' => 'inline_template',
         '#template' => $text,
         '#context' => $twig_tokens,
       );
 
-      return drupal_render($build);
+      return $this->getRenderer()->render($build);
     }
     else {
       return $text;
@@ -576,4 +582,18 @@ abstract class PluginBase extends ComponentPluginBase implements ContainerFactor
 
     return $changes;
   }
+
+  /**
+   * Returns the render API renderer.
+   *
+   * @return \Drupal\Core\Render\RendererInterface
+   */
+  protected function getRenderer() {
+    if (!isset($this->renderer)) {
+      $this->renderer = \Drupal::service('renderer');
+    }
+
+    return $this->renderer;
+  }
+
 }

core/modules/views/src/Plugin/views/field/FieldPluginBase.php

@@ -103,7 +103,7 @@ abstract class FieldPluginBase extends HandlerBase implements FieldHandlerInterf
   /**
    * Stores the render API renderer.
    *
-   * @var \Drupal\Core\Render\Renderer
+   * @var \Drupal\Core\Render\RendererInterface
    */
   protected $renderer;
 
@@ -1332,7 +1332,7 @@ abstract class FieldPluginBase extends HandlerBase implements FieldHandlerInterf
       // In that case the original path looks like
       // user-path:/admin/content/files/usage/{{ fid }}, which will be escaped by
       // the toUriString() call above.
-      $path = str_replace(['%7B','%7D'], ['{','}'], $path);
+      $path = preg_replace(['/(\%7B){2}(\%20)*/', '/(\%20)*(\%7D){2}/'], ['{{','}}'], $path);
 
       // Use strip tags as there should never be HTML in the path.
       // However, we need to preserve special characters like " that
@@ -1730,7 +1730,7 @@ abstract class FieldPluginBase extends HandlerBase implements FieldHandlerInterf
   /**
    * Returns the render API renderer.
    *
-   * @return \Drupal\Core\Render\Renderer
+   * @return \Drupal\Core\Render\RendererInterface
    */
   protected function getRenderer() {
     if (!isset($this->renderer)) {

core/modules/views/tests/src/Unit/Plugin/field/FieldPluginBaseTest.php

@@ -119,6 +119,13 @@ class FieldPluginBaseTest extends UnitTestCase {
    */
   protected $pathProcessor;
 
+  /**
+   * The mocked path renderer.
+   *
+   * @var \Drupal\Core\Render\RendererInterface|\PHPUnit_Framework_MockObject_MockObject
+   */
+  protected $renderer;
+
   /**
    * {@inheritdoc}
    */
@@ -147,11 +154,14 @@ class FieldPluginBaseTest extends UnitTestCase {
     $this->unroutedUrlAssembler = $this->getMock('Drupal\Core\Utility\UnroutedUrlAssemblerInterface');
     $this->linkGenerator = $this->getMock('Drupal\Core\Utility\LinkGeneratorInterface');
 
+    $this->renderer = $this->getMock('Drupal\Core\Render\RendererInterface');
+
     $container_builder = new ContainerBuilder();
     $container_builder->set('url_generator', $this->urlGenerator);
     $container_builder->set('path.validator', $this->pathValidator);
     $container_builder->set('unrouted_url_assembler', $this->unroutedUrlAssembler);
     $container_builder->set('request_stack', $this->requestStack);
+    $container_builder->set('renderer', $this->renderer);
     \Drupal::setContainer($container_builder);
   }
 
@@ -421,6 +431,65 @@ class FieldPluginBaseTest extends UnitTestCase {
     return $data;
   }
 
+  /**
+   * Test rendering of a link with a path and options.
+   *
+   * @dataProvider providerTestRenderAsLinkWithPathAndTokens
+   * @covers ::renderAsLink
+   */
+  public function testRenderAsLinkWithPathAndTokens($path, $tokens, $link_html) {
+    $alter = [
+      'make_link' => TRUE,
+      'path' => $path,
+    ];
+
+    $this->setUpUrlIntegrationServices();
+    $this->setupDisplayWithEmptyArgumentsAndFields();
+    $this->executable->build_info['substitutions'] = $tokens;
+    $field = $this->setupTestField(['alter' => $alter]);
+    $field->field_alias = 'key';
+    $row = new ResultRow(['key' => 'value']);
+
+    $build =[
+      '#type' => 'inline_template',
+      '#template' => 'base:test-path/' . explode('/', $path)[1],
+      '#context' => ['foo' => 123],
+    ];
+
+    $this->renderer->expects($this->once())
+      ->method('render')
+      ->with($build, FALSE)
+      ->willReturn('base:test-path/123');
+
+    $result = $field->advancedRender($row);
+    $this->assertEquals($link_html, $result);
+  }
+
+  /**
+   * Data provider for ::testRenderAsLinkWithPathAndTokens().
+   *
+   * @return array
+   *   Test data.
+   */
+  public function providerTestRenderAsLinkWithPathAndTokens() {
+    $tokens = ['{{ foo }}' => 123];
+    $link_html = '<a href="/test-path/123">value</a>';
+
+    $data = [];
+
+    $data[] = ['test-path/{{foo}}', $tokens, $link_html];
+    $data[] = ['test-path/{{ foo}}', $tokens, $link_html];
+    $data[] = ['test-path/{{  foo}}', $tokens, $link_html];
+    $data[] = ['test-path/{{foo }}', $tokens, $link_html];
+    $data[] = ['test-path/{{foo  }}', $tokens, $link_html];
+    $data[] = ['test-path/{{ foo }}', $tokens, $link_html];
+    $data[] = ['test-path/{{  foo }}', $tokens, $link_html];
+    $data[] = ['test-path/{{ foo  }}', $tokens, $link_html];
+    $data[] = ['test-path/{{  foo  }}', $tokens, $link_html];
+
+    return $data;
+  }
+
   /**
    * Sets up a test field.
    *