Club Drupal

<?php

/**

 * @file

 * Tests for taxonomy.module.

 */

/**

 * Provides common helper methods for Taxonomy module tests.

 */

class TaxonomyWebTestCase extends DrupalWebTestCase {

  /**

   * Returns a new vocabulary with random properties.

   */

  function createVocabulary() {

    // Create a vocabulary.

    $vocabulary = new stdClass();

    $vocabulary->name = $this->randomName();

    $vocabulary->description = $this->randomName();

    $vocabulary->machine_name = drupal_strtolower($this->randomName());

    $vocabulary->help = '';

    $vocabulary->nodes = array('article' => 'article');

    $vocabulary->weight = mt_rand(0, 10);

    taxonomy_vocabulary_save($vocabulary);

    return $vocabulary;

  }

  /**

   * Returns a new term with random properties in vocabulary $vid.

   */

  function createTerm($vocabulary) {

    $term = new stdClass();

    $term->name = $this->randomName();

    $term->description = $this->randomName();

    // Use the first available text format.

    $term->format = db_query_range('SELECT format FROM {filter_format}', 0, 1)->fetchField();

    $term->vid = $vocabulary->vid;

    taxonomy_term_save($term);

    return $term;

  }

}

/**

 * Tests the taxonomy vocabulary interface.

 */

class TaxonomyVocabularyFunctionalTest extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy vocabulary interface',

      'description' => 'Test the taxonomy vocabulary interface.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp();

    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy'));

    $this->drupalLogin($this->admin_user);

    $this->vocabulary = $this->createVocabulary();

  }

  /**

   * Create, edit and delete a vocabulary via the user interface.

   */

  function testVocabularyInterface() {

    // Visit the main taxonomy administration page.

    $this->drupalGet('admin/structure/taxonomy');

    // Create a new vocabulary.

    $this->clickLink(t('Add vocabulary'));

    $edit = array();

    $machine_name = drupal_strtolower($this->randomName());

    $edit['name'] = $this->randomName();

    $edit['description'] = $this->randomName();

    $edit['machine_name'] = $machine_name;

    $this->drupalPost(NULL, $edit, t('Save'));

    $this->assertRaw(t('Created new vocabulary %name.', array('%name' => $edit['name'])), 'Vocabulary created successfully.');

    // Edit the vocabulary.

    $this->drupalGet('admin/structure/taxonomy');

    $this->assertText($edit['name'], 'Vocabulary found in the vocabulary overview listing.');

    $this->clickLink(t('edit vocabulary'));

    $edit = array();

    $edit['name'] = $this->randomName();

    $this->drupalPost(NULL, $edit, t('Save'));

    $this->drupalGet('admin/structure/taxonomy');

    $this->assertText($edit['name'], 'Vocabulary found in the vocabulary overview listing.');

    // Try to submit a vocabulary with a duplicate machine name.

    $edit['machine_name'] = $machine_name;

    $this->drupalPost('admin/structure/taxonomy/add', $edit, t('Save'));

    $this->assertText(t('The machine-readable name is already in use. It must be unique.'));

    // Try to submit an invalid machine name.

    $edit['machine_name'] = '!&^%';

    $this->drupalPost('admin/structure/taxonomy/add', $edit, t('Save'));

    $this->assertText(t('The machine-readable name must contain only lowercase letters, numbers, and underscores.'));

    // Ensure that vocabulary titles are escaped properly.

    $edit = array();

    $edit['name'] = 'Don\'t Panic';

    $edit['description'] = $this->randomName();

    $edit['machine_name'] = 'don_t_panic';

    $this->drupalPost('admin/structure/taxonomy/add', $edit, t('Save'));

    $site_name = variable_get('site_name', 'Drupal');

    $this->drupalGet('admin/structure/taxonomy/don_t_panic');

    $this->assertTitle(t('Don\'t Panic | @site-name', array('@site-name' => $site_name)));

    $this->assertNoTitle(t('Don't Panic | @site-name', array('@site-name' => $site_name)));

  }

  /**

   * Changing weights on the vocabulary overview with two or more vocabularies.

   */

  function testTaxonomyAdminChangingWeights() {

    // Create some vocabularies.

    for ($i = 0; $i < 10; $i++) {

      $this->createVocabulary();

    }

    // Get all vocabularies and change their weights.

    $vocabularies = taxonomy_get_vocabularies();

    $edit = array();

    foreach ($vocabularies as $key => $vocabulary) {

      $vocabulary->weight = -$vocabulary->weight;

      $vocabularies[$key]->weight = $vocabulary->weight;

      $edit[$key . '[weight]'] = $vocabulary->weight;

    }

    // Saving the new weights via the interface.

    $this->drupalPost('admin/structure/taxonomy', $edit, t('Save'));

    // Load the vocabularies from the database.

    $new_vocabularies = taxonomy_get_vocabularies();

    // Check that the weights are saved in the database correctly.

    foreach ($vocabularies as $key => $vocabulary) {

      $this->assertEqual($new_vocabularies[$key]->weight, $vocabularies[$key]->weight, 'The vocabulary weight was changed.');

    }

  }

  /**

   * Test the vocabulary overview with no vocabularies.

   */

  function testTaxonomyAdminNoVocabularies() {

    // Delete all vocabularies.

    $vocabularies = taxonomy_get_vocabularies();

    foreach ($vocabularies as $key => $vocabulary) {

      taxonomy_vocabulary_delete($key);

    }

    // Confirm that no vocabularies are found in the database.

    $this->assertFalse(taxonomy_get_vocabularies(), 'No vocabularies found in the database.');

    $this->drupalGet('admin/structure/taxonomy');

    // Check the default message for no vocabularies.

    $this->assertText(t('No vocabularies available.'), 'No vocabularies were found.');

  }

  /**

   * Deleting a vocabulary.

   */

  function testTaxonomyAdminDeletingVocabulary() {

    // Create a vocabulary.

    $edit = array(

      'name' => $this->randomName(),

      'machine_name' => drupal_strtolower($this->randomName()),

    );

    $this->drupalPost('admin/structure/taxonomy/add', $edit, t('Save'));

    $this->assertText(t('Created new vocabulary'), 'New vocabulary was created.');

    // Check the created vocabulary.

    $vocabularies = taxonomy_get_vocabularies();

    $vocabularies_keys = array_keys($vocabularies);

    $vid = $vocabularies[end($vocabularies_keys)]->vid;

    entity_get_controller('taxonomy_vocabulary')->resetCache();

    $vocabulary = taxonomy_vocabulary_load($vid);

    $this->assertTrue($vocabulary, 'Vocabulary found in database.');

    // Delete the vocabulary.

    $edit = array();

    $this->drupalPost('admin/structure/taxonomy/' . $vocabulary->machine_name . '/edit', $edit, t('Delete'));

    $this->assertRaw(t('Are you sure you want to delete the vocabulary %name?', array('%name' => $vocabulary->name)), '[confirm deletion] Asks for confirmation.');

    $this->assertText(t('Deleting a vocabulary will delete all the terms in it. This action cannot be undone.'), '[confirm deletion] Inform that all terms will be deleted.');

    // Confirm deletion.

    $this->drupalPost(NULL, NULL, t('Delete'));

    $this->assertRaw(t('Deleted vocabulary %name.', array('%name' => $vocabulary->name)), 'Vocabulary deleted.');

    entity_get_controller('taxonomy_vocabulary')->resetCache();

    $this->assertFalse(taxonomy_vocabulary_load($vid), 'Vocabulary is not found in the database.');

  }

}

/**

 * Tests for taxonomy vocabulary functions.

 */

class TaxonomyVocabularyTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy vocabularies',

      'description' => 'Test loading, saving and deleting vocabularies.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

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

    $admin_user = $this->drupalCreateUser(array('create article content', 'administer taxonomy'));

    $this->drupalLogin($admin_user);

    $this->vocabulary = $this->createVocabulary();

  }

  /**

   * Ensure that when an invalid vocabulary vid is loaded, it is possible

   * to load the same vid successfully if it subsequently becomes valid.

   */

  function testTaxonomyVocabularyLoadReturnFalse() {

    // Load a vocabulary that doesn't exist.

    $vocabularies = taxonomy_get_vocabularies();

    $vid = count($vocabularies) + 1;

    $vocabulary = taxonomy_vocabulary_load($vid);

    // This should not return an object because no such vocabulary exists.

    $this->assertTrue(empty($vocabulary), 'No object loaded.');

    // Create a new vocabulary.

    $this->createVocabulary();

    // Load the vocabulary with the same $vid from earlier.

    // This should return a vocabulary object since it now matches a real vid.

    $vocabulary = taxonomy_vocabulary_load($vid);

    $this->assertTrue(!empty($vocabulary) && is_object($vocabulary), 'Vocabulary is an object.');

    $this->assertEqual($vocabulary->vid, $vid, 'Valid vocabulary vid is the same as our previously invalid one.');

  }

  /**

   * Test deleting a taxonomy that contains terms.

   */

  function testTaxonomyVocabularyDeleteWithTerms() {

    // Delete any existing vocabularies.

    foreach (taxonomy_get_vocabularies() as $vocabulary) {

      taxonomy_vocabulary_delete($vocabulary->vid);

    }

    // Assert that there are no terms left.

    $this->assertEqual(0, db_query('SELECT COUNT(*) FROM {taxonomy_term_data}')->fetchField());

    // Create a new vocabulary and add a few terms to it.

    $vocabulary = $this->createVocabulary();

    $terms = array();

    for ($i = 0; $i < 5; $i++) {

      $terms[$i] = $this->createTerm($vocabulary);

    }

    // Set up hierarchy. term 2 is a child of 1 and 4 a child of 1 and 2.

    $terms[2]->parent = array($terms[1]->tid);

    taxonomy_term_save($terms[2]);

    $terms[4]->parent = array($terms[1]->tid, $terms[2]->tid);

    taxonomy_term_save($terms[4]);

    // Assert that there are now 5 terms.

    $this->assertEqual(5, db_query('SELECT COUNT(*) FROM {taxonomy_term_data}')->fetchField());

    taxonomy_vocabulary_delete($vocabulary->vid);

    // Assert that there are no terms left.

    $this->assertEqual(0, db_query('SELECT COUNT(*) FROM {taxonomy_term_data}')->fetchField());

  }

  /**

   * Ensure that the vocabulary static reset works correctly.

   */

  function testTaxonomyVocabularyLoadStaticReset() {

    $original_vocabulary = taxonomy_vocabulary_load($this->vocabulary->vid);

    $this->assertTrue(is_object($original_vocabulary), 'Vocabulary loaded successfully.');

    $this->assertEqual($this->vocabulary->name, $original_vocabulary->name, 'Vocabulary loaded successfully.');

    // Change the name and description.

    $vocabulary = $original_vocabulary;

    $vocabulary->name = $this->randomName();

    $vocabulary->description = $this->randomName();

    taxonomy_vocabulary_save($vocabulary);

    // Load the vocabulary.

    $new_vocabulary = taxonomy_vocabulary_load($original_vocabulary->vid);

    $this->assertEqual($new_vocabulary->name, $vocabulary->name);

    $this->assertEqual($new_vocabulary->name, $vocabulary->name);

    // Delete the vocabulary.

    taxonomy_vocabulary_delete($this->vocabulary->vid);

    $vocabularies = taxonomy_get_vocabularies();

    $this->assertTrue(!isset($vocabularies[$this->vocabulary->vid]), 'The vocabulary was deleted.');

  }

  /**

   * Tests for loading multiple vocabularies.

   */

  function testTaxonomyVocabularyLoadMultiple() {

    // Delete any existing vocabularies.

    foreach (taxonomy_get_vocabularies() as $vocabulary) {

      taxonomy_vocabulary_delete($vocabulary->vid);

    }

    // Create some vocabularies and assign weights.

    $vocabulary1 = $this->createVocabulary();

    $vocabulary1->weight = 0;

    taxonomy_vocabulary_save($vocabulary1);

    $vocabulary2 = $this->createVocabulary();

    $vocabulary2->weight = 1;

    taxonomy_vocabulary_save($vocabulary2);

    $vocabulary3 = $this->createVocabulary();

    $vocabulary3->weight = 2;

    taxonomy_vocabulary_save($vocabulary3);

    // Fetch the names for all vocabularies, confirm that they are keyed by

    // machine name.

    $names = taxonomy_vocabulary_get_names();

    $this->assertEqual($names[$vocabulary1->machine_name]->name, $vocabulary1->name, 'Vocabulary 1 name found.');

    // Fetch all of the vocabularies using taxonomy_get_vocabularies().

    // Confirm that the vocabularies are ordered by weight.

    $vocabularies = taxonomy_get_vocabularies();

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary1->vid, 'Vocabulary was found in the vocabularies array.');

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary2->vid, 'Vocabulary was found in the vocabularies array.');

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary3->vid, 'Vocabulary was found in the vocabularies array.');

    // Fetch the vocabularies with taxonomy_vocabulary_load_multiple(), specifying IDs.

    // Ensure they are returned in the same order as the original array.

    $vocabularies = taxonomy_vocabulary_load_multiple(array($vocabulary3->vid, $vocabulary2->vid, $vocabulary1->vid));

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary3->vid, 'Vocabulary loaded successfully by ID.');

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary2->vid, 'Vocabulary loaded successfully by ID.');

    $this->assertEqual(array_shift($vocabularies)->vid, $vocabulary1->vid, 'Vocabulary loaded successfully by ID.');

    // Fetch vocabulary 1 by name.

    $vocabulary = current(taxonomy_vocabulary_load_multiple(array(), array('name' => $vocabulary1->name)));

    $this->assertEqual($vocabulary->vid, $vocabulary1->vid, 'Vocabulary loaded successfully by name.');

    // Fetch vocabulary 1 by name and ID.

    $this->assertEqual(current(taxonomy_vocabulary_load_multiple(array($vocabulary1->vid), array('name' => $vocabulary1->name)))->vid, $vocabulary1->vid, 'Vocabulary loaded successfully by name and ID.');

  }

  /**

   * Tests that machine name changes are properly reflected.

   */

  function testTaxonomyVocabularyChangeMachineName() {

    // Add a field instance to the vocabulary.

    $field = array(

      'field_name' => 'field_test',

      'type' => 'test_field',

    );

    field_create_field($field);

    $instance = array(

      'field_name' => 'field_test',

      'entity_type' => 'taxonomy_term',

      'bundle' => $this->vocabulary->machine_name,

    );

    field_create_instance($instance);

    // Change the machine name.

    $new_name = drupal_strtolower($this->randomName());

    $this->vocabulary->machine_name = $new_name;

    taxonomy_vocabulary_save($this->vocabulary);

    // Check that the field instance is still attached to the vocabulary.

    $this->assertTrue(field_info_instance('taxonomy_term', 'field_test', $new_name), 'The bundle name was updated correctly.');

  }

  /**

   * Test uninstall and reinstall of the taxonomy module.

   */

  function testUninstallReinstall() {

    // Fields and field instances attached to taxonomy term bundles should be

    // removed when the module is uninstalled.

    $this->field_name = drupal_strtolower($this->randomName() . '_field_name');

    $this->field = array('field_name' => $this->field_name, 'type' => 'text', 'cardinality' => 4);

    $this->field = field_create_field($this->field);

    $this->instance = array(

      'field_name' => $this->field_name,

      'entity_type' => 'taxonomy_term',

      'bundle' => $this->vocabulary->machine_name,

      'label' => $this->randomName() . '_label',

    );

    field_create_instance($this->instance);

    module_disable(array('taxonomy'));

    require_once DRUPAL_ROOT . '/includes/install.inc';

    drupal_uninstall_modules(array('taxonomy'));

    module_enable(array('taxonomy'));

    // Now create a vocabulary with the same name. All field instances

    // connected to this vocabulary name should have been removed when the

    // module was uninstalled. Creating a new field with the same name and

    // an instance of this field on the same bundle name should be successful.

    unset($this->vocabulary->vid);

    taxonomy_vocabulary_save($this->vocabulary);

    unset($this->field['id']);

    field_create_field($this->field);

    field_create_instance($this->instance);

  }

}

/**

 * Unit tests for taxonomy term functions.

 */

class TaxonomyTermFunctionTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term unit tests',

      'description' => 'Unit tests for taxonomy term functions.',

      'group' => 'Taxonomy',

    );

  }

  function testTermDelete() {

    $vocabulary = $this->createVocabulary();

    $valid_term = $this->createTerm($vocabulary);

    // Delete a valid term.

    taxonomy_term_delete($valid_term->tid);

    $terms = taxonomy_term_load_multiple(array(), array('vid' => $vocabulary->vid));

    $this->assertTrue(empty($terms), 'Vocabulary is empty after deletion.');

    // Delete an invalid term. Should not throw any notices.

    taxonomy_term_delete(42);

  }

  /**

   * Test a taxonomy with terms that have multiple parents of different depths.

   */

  function testTaxonomyVocabularyTree() {

    // Create a new vocabulary with 6 terms.

    $vocabulary = $this->createVocabulary();

    $term = array();

    for ($i = 0; $i < 6; $i++) {

      $term[$i] = $this->createTerm($vocabulary);

    }

    // $term[2] is a child of 1 and 5.

    $term[2]->parent = array($term[1]->tid, $term[5]->tid);

    taxonomy_term_save($term[2]);

    // $term[3] is a child of 2.

    $term[3]->parent = array($term[2]->tid);

    taxonomy_term_save($term[3]);

    // $term[5] is a child of 4.

    $term[5]->parent = array($term[4]->tid);

    taxonomy_term_save($term[5]);

    /**

     * Expected tree:

     * term[0] | depth: 0

     * term[1] | depth: 0

     * -- term[2] | depth: 1

     * ---- term[3] | depth: 2

     * term[4] | depth: 0

     * -- term[5] | depth: 1

     * ---- term[2] | depth: 2

     * ------ term[3] | depth: 3

     */

    // Count $term[1] parents with $max_depth = 1.

    $tree = taxonomy_get_tree($vocabulary->vid, $term[1]->tid, 1);

    $this->assertEqual(1, count($tree), 'We have one parent with depth 1.');

    // Count all vocabulary tree elements.

    $tree = taxonomy_get_tree($vocabulary->vid);

    $this->assertEqual(8, count($tree), 'We have all vocabulary tree elements.');

    // Count elements in every tree depth.

    foreach ($tree as $element) {

      if (!isset($depth_count[$element->depth])) {

        $depth_count[$element->depth] = 0;

      }

      $depth_count[$element->depth]++;

    }

    $this->assertEqual(3, $depth_count[0], 'Three elements in taxonomy tree depth 0.');

    $this->assertEqual(2, $depth_count[1], 'Two elements in taxonomy tree depth 1.');

    $this->assertEqual(2, $depth_count[2], 'Two elements in taxonomy tree depth 2.');

    $this->assertEqual(1, $depth_count[3], 'One element in taxonomy tree depth 3.');

  }

}

/**

 * Test for legacy node bug.

 */

class TaxonomyLegacyTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Test for legacy node bug.',

      'description' => 'Posts an article with a taxonomy term and a date prior to 1970.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp('taxonomy');

    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'administer nodes', 'bypass node access'));

    $this->drupalLogin($this->admin_user);

  }

  /**

   * Test taxonomy functionality with nodes prior to 1970.

   */

  function testTaxonomyLegacyNode() {

    // Posts an article with a taxonomy term and a date prior to 1970.

    $langcode = LANGUAGE_NONE;

    $edit = array();

    $edit['title'] = $this->randomName();

    $edit['date'] = '1969-01-01 00:00:00 -0500';

    $edit["body[$langcode][0][value]"] = $this->randomName();

    $edit["field_tags[$langcode]"] = $this->randomName();

    $this->drupalPost('node/add/article', $edit, t('Save'));

    // Checks that the node has been saved.

    $node = $this->drupalGetNodeByTitle($edit['title']);

    $this->assertEqual($node->created, strtotime($edit['date']), 'Legacy node was saved with the right date.');

  }

}

/**

 * Tests for taxonomy term functions.

 */

class TaxonomyTermTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term functions and forms.',

      'description' => 'Test load, save and delete for taxonomy terms.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp('taxonomy');

    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'bypass node access'));

    $this->drupalLogin($this->admin_user);

    $this->vocabulary = $this->createVocabulary();

    $field = array(

      'field_name' => 'taxonomy_' . $this->vocabulary->machine_name,

      'type' => 'taxonomy_term_reference',

      'cardinality' => FIELD_CARDINALITY_UNLIMITED,

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => $this->vocabulary->machine_name,

            'parent' => 0,

          ),

        ),

      ),

    );

    field_create_field($field);

    $this->instance = array(

      'field_name' => 'taxonomy_' . $this->vocabulary->machine_name,

      'bundle' => 'article',

      'entity_type' => 'node',

      'widget' => array(

        'type' => 'options_select',

      ),

      'display' => array(

        'default' => array(

          'type' => 'taxonomy_term_reference_link',

        ),

      ),

    );

    field_create_instance($this->instance);

  }

  /**

   * Test terms in a single and multiple hierarchy.

   */

  function testTaxonomyTermHierarchy() {

    // Create two taxonomy terms.

    $term1 = $this->createTerm($this->vocabulary);

    $term2 = $this->createTerm($this->vocabulary);

    // Check that hierarchy is flat.

    $vocabulary = taxonomy_vocabulary_load($this->vocabulary->vid);

    $this->assertEqual(0, $vocabulary->hierarchy, 'Vocabulary is flat.');

    // Edit $term2, setting $term1 as parent.

    $edit = array();

    $edit['parent[]'] = array($term1->tid);

    $this->drupalPost('taxonomy/term/' . $term2->tid . '/edit', $edit, t('Save'));

    // Check the hierarchy.

    $children = taxonomy_get_children($term1->tid);

    $parents = taxonomy_get_parents($term2->tid);

    $this->assertTrue(isset($children[$term2->tid]), 'Child found correctly.');

    $this->assertTrue(isset($parents[$term1->tid]), 'Parent found correctly.');

    // Load and save a term, confirming that parents are still set.

    $term = taxonomy_term_load($term2->tid);

    taxonomy_term_save($term);

    $parents = taxonomy_get_parents($term2->tid);

    $this->assertTrue(isset($parents[$term1->tid]), 'Parent found correctly.');

    // Create a third term and save this as a parent of term2.

    $term3 = $this->createTerm($this->vocabulary);

    $term2->parent = array($term1->tid, $term3->tid);

    taxonomy_term_save($term2);

    $parents = taxonomy_get_parents($term2->tid);

    $this->assertTrue(isset($parents[$term1->tid]) && isset($parents[$term3->tid]), 'Both parents found successfully.');

  }

  /**

   * Test that hook_node_$op implementations work correctly.

   *

   * Save & edit a node and assert that taxonomy terms are saved/loaded properly.

   */

  function testTaxonomyNode() {

    // Create two taxonomy terms.

    $term1 = $this->createTerm($this->vocabulary);

    $term2 = $this->createTerm($this->vocabulary);

    // Post an article.

    $edit = array();

    $langcode = LANGUAGE_NONE;

    $edit["title"] = $this->randomName();

    $edit["body[$langcode][0][value]"] = $this->randomName();

    $edit[$this->instance['field_name'] . '[' . $langcode . '][]'] = $term1->tid;

    $this->drupalPost('node/add/article', $edit, t('Save'));

    // Check that the term is displayed when the node is viewed.

    $node = $this->drupalGetNodeByTitle($edit["title"]);

    $this->drupalGet('node/' . $node->nid);

    $this->assertText($term1->name, 'Term is displayed when viewing the node.');

    // Edit the node with a different term.

    $edit[$this->instance['field_name'] . '[' . $langcode . '][]'] = $term2->tid;

    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));

    $this->drupalGet('node/' . $node->nid);

    $this->assertText($term2->name, 'Term is displayed when viewing the node.');

    // Preview the node.

    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Preview'));

    $this->assertNoUniqueText($term2->name, 'Term is displayed when previewing the node.');

    $this->drupalPost(NULL, NULL, t('Preview'));

    $this->assertNoUniqueText($term2->name, 'Term is displayed when previewing the node again.');

  }

  /**

   * Test term creation with a free-tagging vocabulary from the node form.

   */

  function testNodeTermCreationAndDeletion() {

    // Enable tags in the vocabulary.

    $instance = $this->instance;

    $instance['widget'] = array('type' => 'taxonomy_autocomplete');

    $instance['bundle'] = 'page';

    field_create_instance($instance);

    $terms = array(

      'term1' => $this->randomName(),

      'term2' => $this->randomName() . ', ' . $this->randomName(),

      'term3' => $this->randomName(),

    );

    $edit = array();

    $langcode = LANGUAGE_NONE;

    $edit["title"] = $this->randomName();

    $edit["body[$langcode][0][value]"] = $this->randomName();

    // Insert the terms in a comma separated list. Vocabulary 1 is a

    // free-tagging field created by the default profile.

    $edit[$instance['field_name'] . "[$langcode]"] = drupal_implode_tags($terms);

    // Preview and verify the terms appear but are not created.

    $this->drupalPost('node/add/page', $edit, t('Preview'));

    foreach ($terms as $term) {

      $this->assertText($term, 'The term appears on the node preview.');

    }

    $tree = taxonomy_get_tree($this->vocabulary->vid);

    $this->assertTrue(empty($tree), 'The terms are not created on preview.');

    // taxonomy.module does not maintain its static caches.

    drupal_static_reset();

    // Save, creating the terms.

    $this->drupalPost('node/add/page', $edit, t('Save'));

    $this->assertRaw(t('@type %title has been created.', array('@type' => t('Basic page'), '%title' => $edit["title"])), 'The node was created successfully.');

    foreach ($terms as $term) {

      $this->assertText($term, 'The term was saved and appears on the node page.');

    }

    // Get the created terms.

    $term_objects = array();

    foreach ($terms as $key => $term) {

      $term_objects[$key] = taxonomy_get_term_by_name($term);

      $term_objects[$key] = reset($term_objects[$key]);

    }

    // Test editing the node.

    $node = $this->drupalGetNodeByTitle($edit["title"]);

    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));

    foreach ($terms as $term) {

      $this->assertText($term, 'The term was retained after edit and still appears on the node page.');

    }

    // Delete term 1.

    $this->drupalPost('taxonomy/term/' . $term_objects['term1']->tid . '/edit', array(), t('Delete'));

    $this->drupalPost(NULL, NULL, t('Delete'));

    $term_names = array($term_objects['term2']->name, $term_objects['term3']->name);

    // Get the node and verify that the terms that should be there still are.

    $this->drupalGet('node/' . $node->nid);

    foreach ($term_names as $term_name) {

      $this->assertText($term_name, format_string('The term %name appears on the node page after one term %deleted was deleted', array('%name' => $term_name, '%deleted' => $term_objects['term1']->name)));

    }

    $this->assertNoText($term_objects['term1']->name, format_string('The deleted term %name does not appear on the node page.', array('%name' => $term_objects['term1']->name)));

    // Test autocomplete on term 2, which contains a comma.

    // The term will be quoted, and the " will be encoded in unicode (\u0022).

    $input = substr($term_objects['term2']->name, 0, 3);

    $this->drupalGet('taxonomy/autocomplete/taxonomy_' . $this->vocabulary->machine_name . '/' . $input);

    $this->assertRaw('{"\u0022' . $term_objects['term2']->name . '\u0022":"' . $term_objects['term2']->name . '"}', format_string('Autocomplete returns term %term_name after typing the first 3 letters.', array('%term_name' => $term_objects['term2']->name)));

    // Test autocomplete on term 3 - it is alphanumeric only, so no extra

    // quoting.

    $input = substr($term_objects['term3']->name, 0, 3);

    $this->drupalGet('taxonomy/autocomplete/taxonomy_' . $this->vocabulary->machine_name . '/' . $input);

    $this->assertRaw('{"' . $term_objects['term3']->name . '":"' . $term_objects['term3']->name . '"}', format_string('Autocomplete returns term %term_name after typing the first 3 letters.', array('%term_name' => $term_objects['term3']->name)));

    // Test taxonomy autocomplete with a nonexistent field.

    $field_name = $this->randomName();

    $tag = $this->randomName();

    $message = t("Taxonomy field @field_name not found.", array('@field_name' => $field_name));

    $this->assertFalse(field_info_field($field_name), format_string('Field %field_name does not exist.', array('%field_name' => $field_name)));

    $this->drupalGet('taxonomy/autocomplete/' . $field_name . '/' . $tag);

    $this->assertRaw($message, 'Autocomplete returns correct error message when the taxonomy field does not exist.');

    // Test the autocomplete path without passing a field_name and terms.

    // This should not trigger a PHP notice.

    $field_name = '';

    $message = t("Taxonomy field @field_name not found.", array('@field_name' => $field_name));

    $this->drupalGet('taxonomy/autocomplete');

    $this->assertRaw($message, 'Autocomplete returns correct error message when no taxonomy field is given.');

  }

  /**

   * Tests term autocompletion edge cases with slashes in the names.

   */

  function testTermAutocompletion() {

    // Add a term with a slash in the name.

    $first_term = $this->createTerm($this->vocabulary);

    $first_term->name = '10/16/2011';

    taxonomy_term_save($first_term);

    // Add another term that differs after the slash character.

    $second_term = $this->createTerm($this->vocabulary);

    $second_term->name = '10/17/2011';

    taxonomy_term_save($second_term);

    // Add another term that has both a comma and a slash character.

    $third_term = $this->createTerm($this->vocabulary);

    $third_term->name = 'term with, a comma and / a slash';

    taxonomy_term_save($third_term);

    // Try to autocomplete a term name that matches both terms.

    // We should get both term in a json encoded string.

    $input = '10/';

    $path = 'taxonomy/autocomplete/taxonomy_';

    $path .= $this->vocabulary->machine_name . '/' . $input;

    // The result order is not guaranteed, so check each term separately.

    $url = url($path, array('absolute' => TRUE));

    $result = drupal_http_request($url);

    $data = drupal_json_decode($result->data);

    $this->assertEqual($data[$first_term->name], check_plain($first_term->name), 'Autocomplete returned the first matching term.');

    $this->assertEqual($data[$second_term->name], check_plain($second_term->name), 'Autocomplete returned the second matching term.');

    // Try to autocomplete a term name that matches first term.

    // We should only get the first term in a json encoded string.

    $input = '10/16';

    $url = 'taxonomy/autocomplete/taxonomy_';

    $url .= $this->vocabulary->machine_name . '/' . $input;

    $this->drupalGet($url);

    $target = array($first_term->name => check_plain($first_term->name));

    $this->assertRaw(drupal_json_encode($target), 'Autocomplete returns only the expected matching term.');

    // Try to autocomplete a term name with both a comma and a slash.

    $input = '"term with, comma and / a';

    $url = 'taxonomy/autocomplete/taxonomy_';

    $url .= $this->vocabulary->machine_name . '/' . $input;

    $this->drupalGet($url);

    $n = $third_term->name;

    // Term names containing commas or quotes must be wrapped in quotes.

    if (strpos($third_term->name, ',') !== FALSE || strpos($third_term->name, '"') !== FALSE) {

      $n = '"' . str_replace('"', '""', $third_term->name) . '"';

    }

    $target = array($n => check_plain($third_term->name));

    $this->assertRaw(drupal_json_encode($target), 'Autocomplete returns a term containing a comma and a slash.');

  }

  /**

   * Save, edit and delete a term using the user interface.

   */

  function testTermInterface() {

    $edit = array(

      'name' => $this->randomName(12),

      'description[value]' => $this->randomName(100),

    );

    // Explicitly set the parents field to 'root', to ensure that

    // taxonomy_form_term_submit() handles the invalid term ID correctly.

    $edit['parent[]'] = array(0);

    // Create the term to edit.

    $this->drupalPost('admin/structure/taxonomy/' . $this->vocabulary->machine_name . '/add', $edit, t('Save'));

    $terms = taxonomy_get_term_by_name($edit['name']);

    $term = reset($terms);

    $this->assertNotNull($term, 'Term found in database.');

    // Submitting a term takes us to the add page; we need the List page.

    $this->drupalGet('admin/structure/taxonomy/' . $this->vocabulary->machine_name);

    // Test edit link as accessed from Taxonomy administration pages.

    // Because Simpletest creates its own database when running tests, we know

    // the first edit link found on the listing page is to our term.

    $this->clickLink(t('edit'));

    $this->assertRaw($edit['name'], 'The randomly generated term name is present.');

    $this->assertText($edit['description[value]'], 'The randomly generated term description is present.');

    $edit = array(

      'name' => $this->randomName(14),

      'description[value]' => $this->randomName(102),

    );

    // Edit the term.

    $this->drupalPost('taxonomy/term/' . $term->tid . '/edit', $edit, t('Save'));

    // Check that the term is still present at admin UI after edit.

    $this->drupalGet('admin/structure/taxonomy/' . $this->vocabulary->machine_name);

    $this->assertText($edit['name'], 'The randomly generated term name is present.');

    $this->assertLink(t('edit'));

    // View the term and check that it is correct.

    $this->drupalGet('taxonomy/term/' . $term->tid);

    $this->assertText($edit['name'], 'The randomly generated term name is present.');

    $this->assertText($edit['description[value]'], 'The randomly generated term description is present.');

    // Did this page request display a 'term-listing-heading'?

    $this->assertPattern('|class="taxonomy-term-description"|', 'Term page displayed the term description element.');

    // Check that it does NOT show a description when description is blank.

    $term->description = '';

    taxonomy_term_save($term);

    $this->drupalGet('taxonomy/term/' . $term->tid);

    $this->assertNoPattern('|class="taxonomy-term-description"|', 'Term page did not display the term description when description was blank.');

    // Check that the term feed page is working.

    $this->drupalGet('taxonomy/term/' . $term->tid . '/feed');

    // Check that the term edit page does not try to interpret additional path

    // components as arguments for taxonomy_form_term().

    $this->drupalGet('taxonomy/term/' . $term->tid . '/edit/' . $this->randomName());

    // Delete the term.

    $this->drupalPost('taxonomy/term/' . $term->tid . '/edit', array(), t('Delete'));

    $this->drupalPost(NULL, NULL, t('Delete'));

    // Assert that the term no longer exists.

    $this->drupalGet('taxonomy/term/' . $term->tid);

    $this->assertResponse(404, 'The taxonomy term page was not found.');

  }

  /**

   * Save, edit and delete a term using the user interface.

   */

  function testTermReorder() {

    $this->createTerm($this->vocabulary);

    $this->createTerm($this->vocabulary);

    $this->createTerm($this->vocabulary);

    // Fetch the created terms in the default alphabetical order, i.e. term1

    // precedes term2 alphabetically, and term2 precedes term3.

    drupal_static_reset('taxonomy_get_tree');

    drupal_static_reset('taxonomy_get_treeparent');

    drupal_static_reset('taxonomy_get_treeterms');

    list($term1, $term2, $term3) = taxonomy_get_tree($this->vocabulary->vid);

    $this->drupalGet('admin/structure/taxonomy/' . $this->vocabulary->machine_name);

    // Each term has four hidden fields, "tid:1:0[tid]", "tid:1:0[parent]",

    // "tid:1:0[depth]", and "tid:1:0[weight]". Change the order to term2,

    // term3, term1 by setting weight property, make term3 a child of term2 by

    // setting the parent and depth properties, and update all hidden fields.

    $edit = array(

      'tid:' . $term2->tid . ':0[tid]' => $term2->tid,

      'tid:' . $term2->tid . ':0[parent]' => 0,

      'tid:' . $term2->tid . ':0[depth]' => 0,

      'tid:' . $term2->tid . ':0[weight]' => 0,

      'tid:' . $term3->tid . ':0[tid]' => $term3->tid,

      'tid:' . $term3->tid . ':0[parent]' => $term2->tid,

      'tid:' . $term3->tid . ':0[depth]' => 1,

      'tid:' . $term3->tid . ':0[weight]' => 1,

      'tid:' . $term1->tid . ':0[tid]' => $term1->tid,

      'tid:' . $term1->tid . ':0[parent]' => 0,

      'tid:' . $term1->tid . ':0[depth]' => 0,

      'tid:' . $term1->tid . ':0[weight]' => 2,

    );

    $this->drupalPost(NULL, $edit, t('Save'));

    drupal_static_reset('taxonomy_get_tree');

    drupal_static_reset('taxonomy_get_treeparent');

    drupal_static_reset('taxonomy_get_treeterms');

    $terms = taxonomy_get_tree($this->vocabulary->vid);

    $this->assertEqual($terms[0]->tid, $term2->tid, 'Term 2 was moved above term 1.');

    $this->assertEqual($terms[1]->parents, array($term2->tid), 'Term 3 was made a child of term 2.');

    $this->assertEqual($terms[2]->tid, $term1->tid, 'Term 1 was moved below term 2.');

    $this->drupalPost('admin/structure/taxonomy/' . $this->vocabulary->machine_name, array(), t('Reset to alphabetical'));

    // Submit confirmation form.

    $this->drupalPost(NULL, array(), t('Reset to alphabetical'));

    drupal_static_reset('taxonomy_get_tree');

    drupal_static_reset('taxonomy_get_treeparent');

    drupal_static_reset('taxonomy_get_treeterms');

    $terms = taxonomy_get_tree($this->vocabulary->vid);

    $this->assertEqual($terms[0]->tid, $term1->tid, 'Term 1 was moved to back above term 2.');

    $this->assertEqual($terms[1]->tid, $term2->tid, 'Term 2 was moved to back below term 1.');

    $this->assertEqual($terms[2]->tid, $term3->tid, 'Term 3 is still below term 2.');

    $this->assertEqual($terms[2]->parents, array($term2->tid), 'Term 3 is still a child of term 2.' . var_export($terms[1]->tid, 1));

  }

  /**

   * Test saving a term with multiple parents through the UI.

   */

  function testTermMultipleParentsInterface() {

    // Add a new term to the vocabulary so that we can have multiple parents.

    $parent = $this->createTerm($this->vocabulary);

    // Add a new term with multiple parents.

    $edit = array(

      'name' => $this->randomName(12),

      'description[value]' => $this->randomName(100),

      'parent[]' => array(0, $parent->tid),

    );

    // Save the new term.

    $this->drupalPost('admin/structure/taxonomy/' . $this->vocabulary->machine_name . '/add', $edit, t('Save'));

    // Check that the term was successfully created.

    $terms = taxonomy_get_term_by_name($edit['name']);

    $term = reset($terms);

    $this->assertNotNull($term, 'Term found in database.');

    $this->assertEqual($edit['name'], $term->name, 'Term name was successfully saved.');

    $this->assertEqual($edit['description[value]'], $term->description, 'Term description was successfully saved.');

    // Check that the parent tid is still there. The other parent (<root>) is

    // not added by taxonomy_get_parents().

    $parents = taxonomy_get_parents($term->tid);

    $parent = reset($parents);

    $this->assertEqual($edit['parent[]'][1], $parent->tid, 'Term parents were successfully saved.');

  }

  /**

   * Test taxonomy_get_term_by_name().

   */

  function testTaxonomyGetTermByName() {

    $term = $this->createTerm($this->vocabulary);

    // Load the term with the exact name.

    $terms = taxonomy_get_term_by_name($term->name);

    $this->assertTrue(isset($terms[$term->tid]), 'Term loaded using exact name.');

    // Load the term with space concatenated.

    $terms  = taxonomy_get_term_by_name('  ' . $term->name . '   ');

    $this->assertTrue(isset($terms[$term->tid]), 'Term loaded with extra whitespace.');

    // Load the term with name uppercased.

    $terms = taxonomy_get_term_by_name(strtoupper($term->name));

    $this->assertTrue(isset($terms[$term->tid]), 'Term loaded with uppercased name.');

    // Load the term with name lowercased.

    $terms = taxonomy_get_term_by_name(strtolower($term->name));

    $this->assertTrue(isset($terms[$term->tid]), 'Term loaded with lowercased name.');

    // Try to load an invalid term name.

    $terms = taxonomy_get_term_by_name('Banana');

    $this->assertFalse($terms);

    // Try to load the term using a substring of the name.

    $terms = taxonomy_get_term_by_name(drupal_substr($term->name, 2));

    $this->assertFalse($terms);

    // Create a new term in a different vocabulary with the same name.

    $new_vocabulary = $this->createVocabulary();

    $new_term = new stdClass();

    $new_term->name = $term->name;

    $new_term->vid = $new_vocabulary->vid;

    taxonomy_term_save($new_term);

    // Load multiple terms with the same name.

    $terms = taxonomy_get_term_by_name($term->name);

    $this->assertEqual(count($terms), 2, 'Two terms loaded with the same name.');

    // Load single term when restricted to one vocabulary.

    $terms = taxonomy_get_term_by_name($term->name, $this->vocabulary->machine_name);

    $this->assertEqual(count($terms), 1, 'One term loaded when restricted by vocabulary.');

    $this->assertTrue(isset($terms[$term->tid]), 'Term loaded using exact name and vocabulary machine name.');

    // Create a new term with another name.

    $term2 = $this->createTerm($this->vocabulary);

    // Try to load a term by name that doesn't exist in this vocabulary but

    // exists in another vocabulary.

    $terms = taxonomy_get_term_by_name($term2->name, $new_vocabulary->machine_name);

    $this->assertFalse($terms, 'Invalid term name restricted by vocabulary machine name not loaded.');

    // Try to load terms filtering by a non-existing vocabulary.

    $terms = taxonomy_get_term_by_name($term2->name, 'non_existing_vocabulary');

    $this->assertEqual(count($terms), 0, 'No terms loaded when restricted by a non-existing vocabulary.');

  }

}

/**

 * Tests the rendering of term reference fields in RSS feeds.

 */

class TaxonomyRSSTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy RSS Content.',

      'description' => 'Ensure that data added as terms appears in RSS feeds if "RSS Category" format is selected.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp('taxonomy');

    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'bypass node access', 'administer content types'));

    $this->drupalLogin($this->admin_user);

    $this->vocabulary = $this->createVocabulary();

    $field = array(

      'field_name' => 'taxonomy_' . $this->vocabulary->machine_name,

      'type' => 'taxonomy_term_reference',

      'cardinality' => FIELD_CARDINALITY_UNLIMITED,

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => $this->vocabulary->machine_name,

            'parent' => 0,

          ),

        ),

      ),

    );

    field_create_field($field);

    $this->instance = array(

      'field_name' => 'taxonomy_' . $this->vocabulary->machine_name,

      'bundle' => 'article',

      'entity_type' => 'node',

      'widget' => array(

        'type' => 'options_select',

      ),

      'display' => array(

        'default' => array(

          'type' => 'taxonomy_term_reference_link',

        ),

      ),

    );

    field_create_instance($this->instance);

  }

  /**

   * Tests that terms added to nodes are displayed in core RSS feed.

   *

   * Create a node and assert that taxonomy terms appear in rss.xml.

   */

  function testTaxonomyRSS() {

    // Create two taxonomy terms.

    $term1 = $this->createTerm($this->vocabulary);

    // RSS display must be added manually.

    $this->drupalGet("admin/structure/types/manage/article/display");

    $edit = array(

      "view_modes_custom[rss]" => '1',

    );

    $this->drupalPost(NULL, $edit, t('Save'));

    // Change the format to 'RSS category'.

    $this->drupalGet("admin/structure/types/manage/article/display/rss");

    $edit = array(

      "fields[taxonomy_" . $this->vocabulary->machine_name . "][type]" => 'taxonomy_term_reference_rss_category',

    );

    $this->drupalPost(NULL, $edit, t('Save'));

    // Post an article.

    $edit = array();

    $langcode = LANGUAGE_NONE;

    $edit["title"] = $this->randomName();

    $edit[$this->instance['field_name'] . '[' . $langcode . '][]'] = $term1->tid;

    $this->drupalPost('node/add/article', $edit, t('Save'));

    // Check that the term is displayed when the RSS feed is viewed.

    $this->drupalGet('rss.xml');

    $test_element = array(

      'key' => 'category',

      'value' => $term1->name,

      'attributes' => array(

        'domain' => url('taxonomy/term/' . $term1->tid, array('absolute' => TRUE)),

      ),

    );

    $this->assertRaw(format_xml_elements(array($test_element)), 'Term is displayed when viewing the rss feed.');

  }

}

/**

 * Tests the hook implementations that maintain the taxonomy index.

 */

class TaxonomyTermIndexTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term index',

      'description' => 'Tests the hook implementations that maintain the taxonomy index.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp('taxonomy');

    // Create an administrative user.

    $this->admin_user = $this->drupalCreateUser(array('administer taxonomy', 'bypass node access'));

    $this->drupalLogin($this->admin_user);

    // Create a vocabulary and add two term reference fields to article nodes.

    $this->vocabulary = $this->createVocabulary();

    $this->field_name_1 = drupal_strtolower($this->randomName());

    $this->field_1 = array(

      'field_name' => $this->field_name_1,

      'type' => 'taxonomy_term_reference',

      'cardinality' => FIELD_CARDINALITY_UNLIMITED,

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => $this->vocabulary->machine_name,

            'parent' => 0,

          ),

        ),

      ),

    );

    field_create_field($this->field_1);

    $this->instance_1 = array(

      'field_name' => $this->field_name_1,

      'bundle' => 'article',

      'entity_type' => 'node',

      'widget' => array(

        'type' => 'options_select',

      ),

      'display' => array(

        'default' => array(

          'type' => 'taxonomy_term_reference_link',

        ),

      ),

    );

    field_create_instance($this->instance_1);

    $this->field_name_2 = drupal_strtolower($this->randomName());

    $this->field_2 = array(

      'field_name' => $this->field_name_2,

      'type' => 'taxonomy_term_reference',

      'cardinality' => FIELD_CARDINALITY_UNLIMITED,

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => $this->vocabulary->machine_name,

            'parent' => 0,

          ),

        ),

      ),

    );

    field_create_field($this->field_2);

    $this->instance_2 = array(

      'field_name' => $this->field_name_2,

      'bundle' => 'article',

      'entity_type' => 'node',

      'widget' => array(

        'type' => 'options_select',

      ),

      'display' => array(

        'default' => array(

          'type' => 'taxonomy_term_reference_link',

        ),

      ),

    );

    field_create_instance($this->instance_2);

  }

  /**

   * Tests that the taxonomy index is maintained properly.

   */

  function testTaxonomyIndex() {

    // Create terms in the vocabulary.

    $term_1 = $this->createTerm($this->vocabulary);

    $term_2 = $this->createTerm($this->vocabulary);

    // Post an article.

    $edit = array();

    $langcode = LANGUAGE_NONE;

    $edit["title"] = $this->randomName();

    $edit["body[$langcode][0][value]"] = $this->randomName();

    $edit["{$this->field_name_1}[$langcode][]"] = $term_1->tid;

    $edit["{$this->field_name_2}[$langcode][]"] = $term_1->tid;

    $this->drupalPost('node/add/article', $edit, t('Save'));

    // Check that the term is indexed, and only once.

    $node = $this->drupalGetNodeByTitle($edit["title"]);

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 1 is indexed once.');

    // Update the article to change one term.

    $edit["{$this->field_name_1}[$langcode][]"] = $term_2->tid;

    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));

    // Check that both terms are indexed.

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 1 is indexed.');

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_2->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 2 is indexed.');

    // Update the article to change another term.

    $edit["{$this->field_name_2}[$langcode][]"] = $term_2->tid;

    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Save'));

    // Check that only one term is indexed.

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(0, $index_count, 'Term 1 is not indexed.');

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_2->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 2 is indexed once.');

    // Redo the above tests without interface.

    $update_node = array(

      'nid' => $node->nid,

      'vid' => $node->vid,

      'uid' => $node->uid,

      'type' => $node->type,

      'title' => $this->randomName(),

    );

    // Update the article with no term changed.

    $updated_node = (object) $update_node;

    node_save($updated_node);

    // Check that the index was not changed.

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(0, $index_count, 'Term 1 is not indexed.');

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_2->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 2 is indexed once.');

    // Update the article to change one term.

    $update_node[$this->field_name_1][$langcode] = array(array('tid' => $term_1->tid));

    $updated_node = (object) $update_node;

    node_save($updated_node);

    // Check that both terms are indexed.

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 1 is indexed.');

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_2->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 2 is indexed.');

    // Update the article to change another term.

    $update_node[$this->field_name_2][$langcode] = array(array('tid' => $term_1->tid));

    $updated_node = (object) $update_node;

    node_save($updated_node);

    // Check that only one term is indexed.

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_1->tid,

    ))->fetchField();

    $this->assertEqual(1, $index_count, 'Term 1 is indexed once.');

    $index_count = db_query('SELECT COUNT(*) FROM {taxonomy_index} WHERE nid = :nid AND tid = :tid', array(

      ':nid' => $node->nid,

      ':tid' => $term_2->tid,

    ))->fetchField();

    $this->assertEqual(0, $index_count, 'Term 2 is not indexed.');

  }

  /**

   * Tests that there is a link to the parent term on the child term page.

   */

  function testTaxonomyTermHierarchyBreadcrumbs() {

    // Create two taxonomy terms and set term2 as the parent of term1.

    $term1 = $this->createTerm($this->vocabulary);

    $term2 = $this->createTerm($this->vocabulary);

    $term1->parent = array($term2->tid);

    taxonomy_term_save($term1);

    // Verify that the page breadcrumbs include a link to the parent term.

    $this->drupalGet('taxonomy/term/' . $term1->tid);

    $this->assertRaw(l($term2->name, 'taxonomy/term/' . $term2->tid), 'Parent term link is displayed when viewing the node.');

  }

}

/**

 * Test the taxonomy_term_load_multiple() function.

 */

class TaxonomyLoadMultipleTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term multiple loading',

      'description' => 'Test the loading of multiple taxonomy terms at once',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp();

    $this->taxonomy_admin = $this->drupalCreateUser(array('administer taxonomy'));

    $this->drupalLogin($this->taxonomy_admin);

  }

  /**

   * Create a vocabulary and some taxonomy terms, ensuring they're loaded

   * correctly using taxonomy_term_load_multiple().

   */

  function testTaxonomyTermMultipleLoad() {

    // Create a vocabulary.

    $vocabulary = $this->createVocabulary();

    // Create five terms in the vocabulary.

    $i = 0;

    while ($i < 5) {

      $i++;

      $this->createTerm($vocabulary);

    }

    // Load the terms from the vocabulary.

    $terms = taxonomy_term_load_multiple(NULL, array('vid' => $vocabulary->vid));

    $count = count($terms);

    $this->assertEqual($count, 5, format_string('Correct number of terms were loaded. !count terms.', array('!count' => $count)));

    // Load the same terms again by tid.

    $terms2 = taxonomy_term_load_multiple(array_keys($terms));

    $this->assertEqual($count, count($terms2), 'Five terms were loaded by tid.');

    $this->assertEqual($terms, $terms2, 'Both arrays contain the same terms.');

    // Load the terms by tid, with a condition on vid.

    $terms3 = taxonomy_term_load_multiple(array_keys($terms2), array('vid' => $vocabulary->vid));

    $this->assertEqual($terms2, $terms3);

    // Remove one term from the array, then delete it.

    $deleted = array_shift($terms3);

    taxonomy_term_delete($deleted->tid);

    $deleted_term = taxonomy_term_load($deleted->tid);

    $this->assertFalse($deleted_term);

    // Load terms from the vocabulary by vid.

    $terms4 = taxonomy_term_load_multiple(NULL, array('vid' => $vocabulary->vid));

    $this->assertEqual(count($terms4), 4, 'Correct number of terms were loaded.');

    $this->assertFalse(isset($terms4[$deleted->tid]));

    // Create a single term and load it by name.

    $term = $this->createTerm($vocabulary);

    $loaded_terms = taxonomy_term_load_multiple(array(), array('name' => $term->name));

    $this->assertEqual(count($loaded_terms), 1, 'One term was loaded.');

    $loaded_term = reset($loaded_terms);

    $this->assertEqual($term->tid, $loaded_term->tid, 'Term loaded by name successfully.');

  }

}

/**

 * Tests for taxonomy hook invocation.

 */

class TaxonomyHooksTestCase extends TaxonomyWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term hooks',

      'description' => 'Hooks for taxonomy term load/save/delete.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

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

    module_load_include('inc', 'taxonomy', 'taxonomy.pages');

    $taxonomy_admin = $this->drupalCreateUser(array('administer taxonomy'));

    $this->drupalLogin($taxonomy_admin);

  }

  /**

   * Test that hooks are run correctly on creating, editing, viewing,

   * and deleting a term.

   *

   * @see taxonomy_test.module

   */

  function testTaxonomyTermHooks() {

    $vocabulary = $this->createVocabulary();

    // Create a term with one antonym.

    $edit = array(

      'name' => $this->randomName(),

      'antonym' => 'Long',

    );

    $this->drupalPost('admin/structure/taxonomy/' . $vocabulary->machine_name . '/add', $edit, t('Save'));

    $terms = taxonomy_get_term_by_name($edit['name']);

    $term = reset($terms);

    $this->assertEqual($term->antonym, $edit['antonym'], 'Antonym was loaded into the term object.');

    // Update the term with a different antonym.

    $edit = array(

      'name' => $this->randomName(),

      'antonym' => 'Short',

    );

    $this->drupalPost('taxonomy/term/' . $term->tid . '/edit', $edit, t('Save'));

    taxonomy_terms_static_reset();

    $term = taxonomy_term_load($term->tid);

    $this->assertEqual($edit['antonym'], $term->antonym, 'Antonym was successfully edited.');

    // View the term and ensure that hook_taxonomy_term_view() and

    // hook_entity_view() are invoked.

    $term = taxonomy_term_load($term->tid);

    $term_build = taxonomy_term_page($term);

    $this->assertFalse(empty($term_build['term_heading']['term']['taxonomy_test_term_view_check']), 'hook_taxonomy_term_view() was invoked when viewing the term.');

    $this->assertFalse(empty($term_build['term_heading']['term']['taxonomy_test_entity_view_check']), 'hook_entity_view() was invoked when viewing the term.');

    // Delete the term.

    taxonomy_term_delete($term->tid);

    $antonym = db_query('SELECT tid FROM {taxonomy_term_antonym} WHERE tid = :tid', array(':tid' => $term->tid))->fetchField();

    $this->assertFalse($antonym, 'The antonym were deleted from the database.');

  }

}

/**

 * Tests for taxonomy term field and formatter.

 */

class TaxonomyTermFieldTestCase extends TaxonomyWebTestCase {

  protected $instance;

  protected $vocabulary;

  public static function getInfo() {

    return array(

      'name' => 'Taxonomy term reference field',

      'description' => 'Test the creation of term fields.',

      'group' => 'Taxonomy',

    );

  }

  function setUp() {

    parent::setUp('field_test');

    $web_user = $this->drupalCreateUser(array('access field_test content', 'administer field_test content', 'administer taxonomy'));

    $this->drupalLogin($web_user);

    $this->vocabulary = $this->createVocabulary();

    // Setup a field and instance.

    $this->field_name = drupal_strtolower($this->randomName());

    $this->field = array(

      'field_name' => $this->field_name,

      'type' => 'taxonomy_term_reference',

      'settings' => array(

        'allowed_values' => array(

          array(

            'vocabulary' => $this->vocabulary->machine_name,

            'parent' => '0',

          ),

        ),

      )

    );

    field_create_field($this->field);

    $this->instance = array(

      'field_name' => $this->field_name,

      'entity_type' => 'test_entity',

      'bundle' => 'test_bundle',

      'widget' => array(

        'type' => 'options_select',

      ),

      'display' => array(

        'full' => array(

          'type' => 'taxonomy_term_reference_link',

        ),

      ),

    );

    field_create_instance($this->instance);

  }

  /**

   * Test term field validation.

   */

  function testTaxonomyTermFieldValidation() {

    // Test valid and invalid values with field_attach_validate().

    $langcode = LANGUAGE_NONE;

    $entity = field_test_create_stub_entity();

    $term = $this->createTerm($this->vocabulary);

    $entity->{$this->field_name}[$langcode][0]['tid'] = $term->tid;

    try {

      field_attach_validate('test_entity', $entity);

      $this->pass('Correct term does not cause validation error.');

    }

    catch (FieldValidationException $e) {

      $this->fail('Correct term does not cause validation error.');

    }

    $entity = field_test_create_stub_entity();

    $bad_term = $this->createTerm($this->createVocabulary());

    $entity->{$this->field_name}[$langcode][0]['tid'] = $bad_term->tid;

    try {

      field_attach_validate('test_entity', $entity);

      $this->fail('Wrong term causes validation error.');

    }

    catch (FieldValidationException $e) {

      $this->pass('Wrong term causes validation error.');

    }

  }

  /**

   * Test widgets.

   */

  function testTaxonomyTermFieldWidgets() {

    // Create a term in the vocabulary.

    $term = $this->createTerm($this->vocabulary);

    // Display creation form.

    $langcode = LANGUAGE_NONE;

    $this->drupalGet('test-entity/add/test-bundle');

    $this->assertFieldByName("{$this->field_name}[$langcode]", '', 'Widget is displayed.');

    // Submit with some value.

    $edit = array(

      "{$this->field_name}[$langcode]" => array($term->tid),

    );

    $this->drupalPost(NULL, $edit, t('Save'));

    preg_match('|test-entity/manage/(\d+)/edit|', $this->url, $match);

    $id = $match[1];

    $this->assertRaw(t('test_entity @id has been created.', array('@id' => $id)), 'Entity was created.');

    // Display the object.

    $entity = field_test_entity_test_load($id);

    $entities = array($id => $entity);

    field_attach_prepare_view('test_entity', $entities, 'full');

    $entity->content = field_attach_view('test_entity', $entity, 'full');

    $this->content = drupal_render($entity->content);

    $this->assertText($term->name, 'Term name is displayed.');

    // Delete the vocabulary and verify that the widget is gone.

    taxonomy_vocabulary_delete($this->vocabulary->vid);

    $this->drupalGet('test-entity/add/test-bundle');

    $this->assertNoFieldByName("{$this->field_name}[$langcode]", '', 'Widget is not displayed.');

  }

  /**

   * Tests that vocabulary machine name changes are mirrored in field definitions.

   */