Moisés Rodríguez Carmona
--- a/tests/src/Functional/IntegrationTest.php
+++ b/tests/src/Functional/IntegrationTest.php
    $assert->elementNotExists('css', 'select#edit-emu--2', $form);
  }

+  /**
+   * Test the facets form (facets with dependencies).
-   * Test the facets form (facets with dependencies).
+   * Test facets form as dependent.
--- a/tests/src/Functional/IntegrationTest.php
+++ b/tests/src/Functional/IntegrationTest.php
+          'enable' => TRUE,
+          'condition' => 'values',
+          'values' => 'item',
+          'negate' => FALSE,
+        ],
+      ],
+    ];
+    $depending_facet->addProcessor($processor);
+    $depending_facet->setWidget('facets_form_dropdown');
+    $depending_facet->save();
+
+    // Place the Facets Form block for a view page source.
+    $block = $this->drupalPlaceBlock('facets_form:search_api:views_page__search_api_test_view__page_1');
+    $this->drupalGet('admin/structure/block/manage/' . $block->id());
+    $config_form = $assert->elementExists('css', '.block-form');
+    $assert->fieldValueEquals('Submit button', 'Search');
--- a/tests/src/Functional/IntegrationTest.php
+++ b/tests/src/Functional/IntegrationTest.php
+    $block = $this->drupalPlaceBlock('facets_form:search_api:views_page__search_api_test_view__page_1');
+    $this->drupalGet('admin/structure/block/manage/' . $block->id());
+    $config_form = $assert->elementExists('css', '.block-form');
+    $assert->fieldValueEquals('Submit button', 'Search');
+    $assert->fieldValueEquals('Reset button', 'Clear filters');
+    $config_form->fillField('Submit button', 'Apply');
+    $config_form->fillField('Reset button', 'Reset');
+    $config_form->checkField('Emu');
+    $config_form->checkField('Llama');
+    $config_form->pressButton('Save block');
+
+    $this->drupalGet('search-api-test-fulltext');
+    $assert->elementsCount('css', '.views-row', 5);
+    $form = $assert->elementExists('css', 'form#facets-form');
+
+    // The form contains only the widget from the module.
--- a/tests/src/Functional/IntegrationTest.php
+++ b/tests/src/Functional/IntegrationTest.php
+    // Check that dependent facet exists when value is set in facet.
+    $page->selectFieldOption('emu[]', 'item');
+    $assert->buttonExists('Apply', $form)->press();
+    $this->assertCurrentUrl('search-api-test-fulltext', ['f' => ['emu:item']]);
+    $assert->elementsCount('css', '.views-row', 3);
+    $assert->elementExists('css', 'select#edit-emu--2', $form);
+    $assert->elementExists('css', 'select#edit-llama--2', $form);
+
+    // Check that dependent facet doesn't exist when value is NOT set in facet.
+    $page->selectFieldOption('emu[]', 'article');
+    $assert->buttonExists('Apply', $form)->press();
+    $this->assertCurrentUrl('search-api-test-fulltext', ['f' => ['emu:article']]);
+    $assert->elementsCount('css', '.views-row', 2);
+    $assert->elementExists('css', 'select#edit-emu--2', $form);
+    $assert->elementNotExists('css', 'select#edit-llama--2', $form);
+  }
--- a/src/FacetManager/DefaultFacetFormManager.php 0 → 100644
+++ b/src/FacetManager/DefaultFacetFormManager.php 0 → 100644
+use Drupal\facets\Exception\InvalidProcessorException;
+use Drupal\facets\FacetInterface;
+use Drupal\facets\FacetManager\DefaultFacetManager;
+use Drupal\facets\FacetSource\FacetSourcePluginManager;
+use Drupal\facets\Plugin\facets\facet_source\SearchApiDisplay;
+use Drupal\facets\Processor\BuildProcessorInterface;
+use Drupal\facets\Processor\PostQueryProcessorInterface;
+use Drupal\facets\Processor\PreQueryProcessorInterface;
+use Drupal\facets\Processor\ProcessorInterface;
+use Drupal\facets\Processor\ProcessorPluginManager;
+use Drupal\facets\QueryType\QueryTypePluginManager;
+
+/**
+ * The facet manager.
+ */
+class DefaultFacetFormManager extends DefaultFacetManager {