Club Drupal

<?php

/**

 * Test for Entity Reference taxonomy integration.

 */

class EntityReferenceTaxonomyTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Entity Reference Taxonomy',

      'description' => 'Tests nodes with reference to terms as indexed.',

      'group' => 'Entity Reference',

    );

  }

  public function setUp() {

    parent::setUp('entityreference', 'taxonomy');

    // Create an entity reference field.

    $field = array(

      'entity_types' => array('node'),

      'settings' => array(

        'handler' => 'base',

        'target_type' => 'taxonomy_term',

        'handler_settings' => array(

          'target_bundles' => array(),

        ),

      ),

      'field_name' => 'field_entityreference_term',

      'type' => 'entityreference',

    );

    $field = field_create_field($field);

    $instance = array(

      'field_name' => 'field_entityreference_term',

      'bundle' => 'article',

      'entity_type' => 'node',

    );

    // Enable the taxonomy-index behavior.

    $instance['settings']['behaviors']['taxonomy-index']['status'] = TRUE;

    field_create_instance($instance);

    // Create a term reference field.

    $field = array(

      'translatable' => FALSE,

      'entity_types' => array('node'),

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => 'terms',

            'parent' => 0,

          ),

        ),

      ),

      'field_name' => 'field_taxonomy_term',

      'type' => 'taxonomy_term_reference',

    );

    $field = field_create_field($field);

    $instance = array(

      'field_name' => 'field_taxonomy_term',

      'bundle' => 'article',

      'entity_type' => 'node',

    );

    field_create_instance($instance);

    // Create a terms vocobulary.

    $vocabulary = new stdClass();

    $vocabulary->name = 'Terms';

    $vocabulary->machine_name = 'terms';

    taxonomy_vocabulary_save($vocabulary);

    // Create term.

    for ($i = 1; $i <= 2; $i++) {

      $term = new stdClass();

      $term->name = "term $i";

      $term->vid = 1;

      taxonomy_term_save($term);

    }

  }

  /**

   * Test referencing a term using entity reference field.

   */

  public function testNodeIndex() {

    // Asert node insert with reference to term.

    $settings = array();

    $settings['type'] = 'article';

    $settings['field_entityreference_term'][LANGUAGE_NONE][0]['target_id'] = 1;

    $node = $this->drupalCreateNode($settings);

    $this->assertEqual(taxonomy_select_nodes(1), array($node->nid));

    // Asert node update with reference to term.

    node_save($node);

    $this->assertEqual(taxonomy_select_nodes(1), array($node->nid));

    // Assert node update with reference to term and taxonomy reference to

    // another term.

    $wrapper = entity_metadata_wrapper('node', $node);

    $wrapper->field_taxonomy_term->set(2);

    $wrapper->save();

    $this->assertEqual(taxonomy_select_nodes(1), array($node->nid));

    $this->assertEqual(taxonomy_select_nodes(2), array($node->nid));

    // Assert node update with reference to term and taxonomy reference to

    // same term.

    $wrapper->field_taxonomy_term->set(1);

    $wrapper->save();

    $this->assertEqual(taxonomy_select_nodes(1), array($node->nid));

    $wrapper->delete();

    $this->assertFalse(taxonomy_select_nodes(1));

  }

  /**

   * Add a second ER field from node/article to taxonomy.

   *

   * This should not cause {taxonomy_index} to receive duplicate entries.

   */

  protected function setupForIndexDuplicates() {

    // Create an entity reference field.

    $field = array(

      'entity_types' => array('node'),

      'settings' => array(

        'handler' => 'base',

        'target_type' => 'taxonomy_term',

        'handler_settings' => array(

          'target_bundles' => array(),

        ),

      ),

      'field_name' => 'field_entityreference_term2',

      'type' => 'entityreference',

    );

    $field = field_create_field($field);

    $instance = array(

      'field_name' => 'field_entityreference_term2',

      'bundle' => 'article',

      'entity_type' => 'node',

    );

    // Enable the taxonomy-index behavior.

    $instance['settings']['behaviors']['taxonomy-index']['status'] = TRUE;

    field_create_instance($instance);

  }

  /**

   * Make sure the index only contains one entry for a given node->term

   * reference, even when multiple ER fields link from the node bundle to terms.

   */

  public function testIndexDuplicates() {

    // Extra setup for this test: add another ER field on this content type.

    $this->setupForIndexDuplicates();

    // Assert node insert with reference to term in first field.

    $tid = 1;

    $settings = array();

    $settings['type'] = 'article';

    $settings['field_entityreference_term'][LANGUAGE_NONE][0]['target_id'] = $tid;

    $node = $this->drupalCreateNode($settings);

    $this->assertEqual(taxonomy_select_nodes($tid), array($node->nid));

  }

}