TaggedWithTest.php

<?php

namespace Drupal\Tests\views\Functional\Wizard;

use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\field\Entity\FieldConfig;
use Drupal\taxonomy\Entity\Term;
use Drupal\taxonomy\Entity\Vocabulary;
use Drupal\Tests\field\Traits\EntityReferenceTestTrait;

/**
 * Tests the ability of the views wizard to create views filtered by taxonomy.
 *
 * @group views
 */
class TaggedWithTest extends WizardTestBase {
    use EntityReferenceTestTrait;
    
    /**
     * Modules to enable.
     *
     * @var array
     */
    protected static $modules = [
        'taxonomy',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Node type with an autocomplete tagging field.
     *
     * @var \Drupal\node\NodeTypeInterface
     */
    protected $nodeTypeWithTags;
    
    /**
     * Node type without an autocomplete tagging field.
     *
     * @var \Drupal\node\NodeTypeInterface
     */
    protected $nodeTypeWithoutTags;
    
    /**
     * The vocabulary used for the test tag field.
     *
     * @var \Drupal\taxonomy\VocabularyInterface
     */
    protected $tagVocabulary;
    
    /**
     * Holds the field storage for test tag field.
     *
     * @var \Drupal\field\FieldStorageConfigInterface
     */
    protected $tagFieldStorage;
    
    /**
     * Name of the test tag field.
     *
     * @var string
     */
    protected $tagFieldName;
    
    /**
     * Field definition for the test tag field.
     *
     * @var array
     */
    protected $tagField;
    
    /**
     * {@inheritdoc}
     */
    protected function setUp($import_test_views = TRUE, $modules = []) : void {
        parent::setUp($import_test_views, $modules);
        // Create two content types. One will have an autocomplete tagging field,
        // and one won't.
        $this->nodeTypeWithTags = $this->drupalCreateContentType();
        $this->nodeTypeWithoutTags = $this->drupalCreateContentType();
        // Create the vocabulary for the tag field.
        $this->tagVocabulary = Vocabulary::create([
            'name' => 'Views testing tags',
            'vid' => 'views_testing_tags',
        ]);
        $this->tagVocabulary
            ->save();
        // Create the tag field itself.
        $this->tagFieldName = 'field_views_testing_tags';
        $handler_settings = [
            'target_bundles' => [
                $this->tagVocabulary
                    ->id() => $this->tagVocabulary
                    ->id(),
            ],
            'auto_create' => TRUE,
        ];
        $this->createEntityReferenceField('node', $this->nodeTypeWithTags
            ->id(), $this->tagFieldName, NULL, 'taxonomy_term', 'default', $handler_settings, FieldStorageDefinitionInterface::CARDINALITY_UNLIMITED);
        
        /** @var \Drupal\Core\Entity\EntityDisplayRepositoryInterface $display_repository */
        $display_repository = \Drupal::service('entity_display.repository');
        $display_repository->getFormDisplay('node', $this->nodeTypeWithTags
            ->id())
            ->setComponent($this->tagFieldName, [
            'type' => 'entity_reference_autocomplete_tags',
        ])
            ->save();
        $display_repository->getViewDisplay('node', $this->nodeTypeWithTags
            ->id())
            ->setComponent($this->tagFieldName, [
            'type' => 'entity_reference_label',
            'weight' => 10,
        ])
            ->save();
        $display_repository->getViewDisplay('node', $this->nodeTypeWithTags
            ->id(), 'teaser')
            ->setComponent('field_views_testing_tags', [
            'type' => 'entity_reference_label',
            'weight' => 10,
        ])
            ->save();
    }
    
    /**
     * Tests the "tagged with" functionality.
     */
    public function testTaggedWith() {
        // In this test we will only create nodes that have an instance of the tag
        // field.
        $node_add_path = 'node/add/' . $this->nodeTypeWithTags
            ->id();
        // Create three nodes, with different tags.
        $edit = [];
        $edit['title[0][value]'] = $node_tag1_title = $this->randomMachineName();
        $edit[$this->tagFieldName . '[target_id]'] = 'tag1';
        $this->drupalGet($node_add_path);
        $this->submitForm($edit, 'Save');
        $edit = [];
        $edit['title[0][value]'] = $node_tag1_tag2_title = $this->randomMachineName();
        $edit[$this->tagFieldName . '[target_id]'] = 'tag1, tag2';
        $this->drupalGet($node_add_path);
        $this->submitForm($edit, 'Save');
        $edit = [];
        $edit['title[0][value]'] = $node_no_tags_title = $this->randomMachineName();
        $this->drupalGet($node_add_path);
        $this->submitForm($edit, 'Save');
        // Create a view that filters by taxonomy term "tag1". It should show only
        // the two nodes from above that are tagged with "tag1".
        $view1 = [];
        // First select the node type and update the form so the correct tag field
        // is used.
        $view1['show[type]'] = $this->nodeTypeWithTags
            ->id();
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view1, 'Update "of type" choice');
        // Now resubmit the entire form to the same URL.
        $view1['label'] = $this->randomMachineName(16);
        $view1['id'] = strtolower($this->randomMachineName(16));
        $view1['description'] = $this->randomMachineName(16);
        $view1['show[tagged_with]'] = 'tag1';
        $view1['page[create]'] = 1;
        $view1['page[title]'] = $this->randomMachineName(16);
        $view1['page[path]'] = $this->randomMachineName(16);
        $this->submitForm($view1, 'Save and edit');
        // Visit the page and check that the nodes we expect are present and the
        // ones we don't expect are absent.
        $this->drupalGet($view1['page[path]']);
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->assertSession()
            ->pageTextContains($node_tag1_title);
        $this->assertSession()
            ->pageTextContains($node_tag1_tag2_title);
        $this->assertSession()
            ->pageTextNotContains($node_no_tags_title);
        // Create a view that filters by taxonomy term "tag2". It should show only
        // the one node from above that is tagged with "tag2".
        $view2 = [];
        $view2['show[type]'] = $this->nodeTypeWithTags
            ->id();
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view2, 'Update "of type" choice');
        $this->assertSession()
            ->statusCodeEquals(200);
        $view2['label'] = $this->randomMachineName(16);
        $view2['id'] = strtolower($this->randomMachineName(16));
        $view2['description'] = $this->randomMachineName(16);
        $view2['show[tagged_with]'] = 'tag2';
        $view2['page[create]'] = 1;
        $view2['page[title]'] = $this->randomMachineName(16);
        $view2['page[path]'] = $this->randomMachineName(16);
        $this->submitForm($view2, 'Save and edit');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet($view2['page[path]']);
        $this->assertSession()
            ->pageTextNotContains($node_tag1_title);
        $this->assertSession()
            ->pageTextContains($node_tag1_tag2_title);
        $this->assertSession()
            ->pageTextNotContains($node_no_tags_title);
    }
    
    /**
     * Tests that the "tagged with" form element only shows for node types that support it.
     */
    public function testTaggedWithByNodeType() {
        // The tagging field is associated with one of our node types only. So the
        // "tagged with" form element on the view wizard should appear on the form
        // by default (when the wizard is configured to display all content) and
        // also when the node type that has the tagging field is selected, but not
        // when the node type that doesn't have the tagging field is selected.
        $this->drupalGet('admin/structure/views/add');
        $this->assertSession()
            ->fieldExists("show[tagged_with]");
        $view['show[type]'] = $this->nodeTypeWithTags
            ->id();
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view, 'Update "of type" choice');
        $this->assertSession()
            ->fieldExists("show[tagged_with]");
        $view['show[type]'] = $this->nodeTypeWithoutTags
            ->id();
        $this->submitForm($view, 'Update "of type" choice (2)');
        $this->assertSession()
            ->fieldNotExists("show[tagged_with]");
        // If we add an instance of the tagging field to the second node type, the
        // "tagged with" form element should not appear for it too.
        FieldConfig::create([
            'field_name' => $this->tagFieldName,
            'entity_type' => 'node',
            'bundle' => $this->nodeTypeWithoutTags
                ->id(),
            'settings' => [
                'handler' => 'default',
                'handler_settings' => [
                    'target_bundles' => [
                        $this->tagVocabulary
                            ->id() => $this->tagVocabulary
                            ->id(),
                    ],
                    'auto_create' => TRUE,
                ],
            ],
        ])
            ->save();
        \Drupal::service('entity_display.repository')->getFormDisplay('node', $this->nodeTypeWithoutTags
            ->id())
            ->setComponent($this->tagFieldName, [
            'type' => 'entity_reference_autocomplete_tags',
        ])
            ->save();
        $view['show[type]'] = $this->nodeTypeWithTags
            ->id();
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view, 'Update "of type" choice');
        $this->assertSession()
            ->fieldExists("show[tagged_with]");
        $view['show[type]'] = $this->nodeTypeWithoutTags
            ->id();
        $this->submitForm($view, 'Update "of type" choice (2)');
        $this->assertSession()
            ->fieldExists("show[tagged_with]");
    }
    
    /**
     * Tests that "tagged with" works with views entity reference.
     */
    public function testTaggedWithByViewReference() {
        Term::create([
            'name' => 'term1',
            'vid' => 'views_testing_tags',
        ]);
        $tags_xpath = '//input[@name="show[tagged_with]"]';
        // If we add an instance of the tagging field to the second node type, the
        // "tagged with" form element should now appear for it too.
        FieldConfig::create([
            'field_name' => $this->tagFieldName,
            'entity_type' => 'node',
            'bundle' => $this->nodeTypeWithoutTags
                ->id(),
            'settings' => [
                'handler' => 'views',
                'handler_settings' => [],
            ],
        ])
            ->save();
        \Drupal::service('entity_display.repository')->getFormDisplay('node', $this->nodeTypeWithoutTags
            ->id())
            ->setComponent($this->tagFieldName, [
            'type' => 'entity_reference_autocomplete_tags',
        ])
            ->save();
        $view['show[type]'] = $this->nodeTypeWithTags
            ->id();
        $this->drupalGet('admin/structure/views/add');
        $this->submitForm($view, 'Update "of type" choice');
        $this->assertSession()
            ->elementExists('xpath', $tags_xpath);
        $view['show[type]'] = $this->nodeTypeWithoutTags
            ->id();
        $this->submitForm($view, 'Update "of type" choice (2)');
        $this->assertSession()
            ->elementExists('xpath', $tags_xpath);
        $this->submitForm([
            'show[tagged_with]' => 'term1',
        ], 'Save and edit');
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->getSession()
            ->getPage()
            ->hasContent('Has taxonomy term (= term1)');
    }

}