TaxonomyTermTestCase

  1. drupal
    1. 8
    2. 7

Tests for taxonomy term functions.

Hierarchy

Properties

NameDescription
DrupalTestCase::$assertionsAssertions thrown in that test case.
DrupalTestCase::$databasePrefixThe database prefix of this test run.
DrupalTestCase::$originalFileDirectoryThe original file directory, before it was changed for testing purposes.
DrupalTestCase::$resultsCurrent results of this test case.
DrupalTestCase::$skipClassesThis class is skipped when looking for the source of an assertion.
DrupalTestCase::$testIdThe test run ID.
DrupalTestCase::$timeLimitTime limit for the test.
DrupalWebTestCase::$additionalCurlOptionsAdditional cURL options.
DrupalWebTestCase::$contentThe content of the page currently loaded in the internal browser.
DrupalWebTestCase::$cookieFileThe current cookie file used by cURL.
DrupalWebTestCase::$curlHandleThe handle of the current cURL connection.
DrupalWebTestCase::$drupalSettingsThe value of the Drupal.settings JavaScript variable for the page currently loaded in the internal browser.
DrupalWebTestCase::$elementsThe parsed version of the page.
DrupalWebTestCase::$generatedTestFilesWhether the files were copied to the test files directory.
DrupalWebTestCase::$headersThe headers of the page currently loaded in the internal browser.
DrupalWebTestCase::$httpauth_credentialsHTTP authentication credentials (<username>:<password>).
DrupalWebTestCase::$httpauth_methodHTTP authentication method
DrupalWebTestCase::$loggedInUserThe current user logged in using the internal browser.
DrupalWebTestCase::$originalShutdownCallbacksThe original shutdown handlers array, before it was cleaned for testing purposes.
DrupalWebTestCase::$originalUserThe original user, before it was changed to a clean uid = 1 for testing purposes.
DrupalWebTestCase::$plainTextContentThe content of the page currently loaded in the internal browser (plain text version).
DrupalWebTestCase::$profileThe profile to install as a basis for testing.
DrupalWebTestCase::$redirect_countThe number of redirects followed during the handling of a request.
DrupalWebTestCase::$session_idThe current session ID, if available.
DrupalWebTestCase::$session_nameThe current session name, if available.
DrupalWebTestCase::$urlThe URL currently loaded in the internal browser.

Functions & methods

NameDescription
DrupalTestCase::assertInternal helper: stores the assert.
DrupalTestCase::assertEqualCheck to see if two values are equal.
DrupalTestCase::assertFalseCheck to see if a value is false (an empty string, 0, NULL, or FALSE).
DrupalTestCase::assertIdenticalCheck to see if two values are identical.
DrupalTestCase::assertNotEqualCheck to see if two values are not equal.
DrupalTestCase::assertNotIdenticalCheck to see if two values are not identical.
DrupalTestCase::assertNotNullCheck to see if a value is not NULL.
DrupalTestCase::assertNullCheck to see if a value is NULL.
DrupalTestCase::assertTrueCheck to see if a value is not false (not an empty string, 0, NULL, or FALSE).
DrupalTestCase::deleteAssertDelete an assertion record by message ID.
DrupalTestCase::errorFire an error assertion.
DrupalTestCase::errorHandlerHandle errors during test runs.
DrupalTestCase::exceptionHandlerHandle exceptions.
DrupalTestCase::failFire an assertion that is always negative.
DrupalTestCase::generatePermutationsConverts a list of possible parameters into a stack of permutations.
DrupalTestCase::getAssertionCallCycles through backtrace until the first non-assertion method is found.
DrupalTestCase::insertAssertStore an assertion from outside the testing context.
DrupalTestCase::passFire an assertion that is always positive.
DrupalTestCase::randomNameGenerates a random string containing letters and numbers.
DrupalTestCase::randomStringGenerates a random string of ASCII characters of codes 32 to 126.
DrupalTestCase::runRun all tests in this class.
DrupalTestCase::verboseLogs verbose message in a text file.
DrupalWebTestCase::assertFieldAsserts that a field exists with the given name or id.
DrupalWebTestCase::assertFieldByIdAsserts that a field exists in the current page with the given id and value.
DrupalWebTestCase::assertFieldByNameAsserts that a field exists in the current page with the given name and value.
DrupalWebTestCase::assertFieldByXPathAsserts that a field exists in the current page by the given XPath.
DrupalWebTestCase::assertFieldCheckedAsserts that a checkbox field in the current page is checked.
DrupalWebTestCase::assertLinkPass if a link with the specified label is found, and optional with the specified index.
DrupalWebTestCase::assertLinkByHrefPass if a link containing a given href (part) is found.
DrupalWebTestCase::assertMailAsserts that the most recently sent e-mail message has the given value.
DrupalWebTestCase::assertMailPatternAsserts that the most recently sent e-mail message has the pattern in it.
DrupalWebTestCase::assertMailStringAsserts that the most recently sent e-mail message has the string in it.
DrupalWebTestCase::assertNoDuplicateIdsAsserts that each HTML ID is used for just a single element.
DrupalWebTestCase::assertNoFieldAsserts that a field does not exist with the given name or id.
DrupalWebTestCase::assertNoFieldByIdAsserts that a field does not exist with the given id and value.
DrupalWebTestCase::assertNoFieldByNameAsserts that a field does not exist with the given name and value.
DrupalWebTestCase::assertNoFieldByXPathAsserts that a field does not exist in the current page by the given XPath.
DrupalWebTestCase::assertNoFieldCheckedAsserts that a checkbox field in the current page is not checked.
DrupalWebTestCase::assertNoLinkPass if a link with the specified label is not found.
DrupalWebTestCase::assertNoLinkByHrefPass if a link containing a given href (part) is not found.
DrupalWebTestCase::assertNoOptionSelectedAsserts that a select option in the current page is not checked.
DrupalWebTestCase::assertNoPatternWill trigger a pass if the perl regex pattern is not present in raw content.
DrupalWebTestCase::assertNoRawPass if the raw text is NOT found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertNoResponseAsserts the page did not return the specified response code.
DrupalWebTestCase::assertNoTextPass if the text is NOT found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertNoTitlePass if the page title is not the given string.
DrupalWebTestCase::assertNoUniqueTextPass if the text is found MORE THAN ONCE on the text version of the page.
DrupalWebTestCase::assertOptionSelectedAsserts that a select option in the current page is checked.
DrupalWebTestCase::assertPatternWill trigger a pass if the Perl regex pattern is found in the raw content.
DrupalWebTestCase::assertRawPass if the raw text IS found on the loaded page, fail otherwise. Raw text refers to the raw HTML that the page generated.
DrupalWebTestCase::assertResponseAsserts the page responds with the specified response code.
DrupalWebTestCase::assertTextPass if the text IS found on the text version of the page. The text version is the equivalent of what a user would see when viewing through a web browser. In other words the HTML has been filtered out of the contents.
DrupalWebTestCase::assertTextHelperHelper for assertText and assertNoText.
DrupalWebTestCase::assertTitlePass if the page title is the given string.
DrupalWebTestCase::assertUniqueTextPass if the text is found ONLY ONCE on the text version of the page.
DrupalWebTestCase::assertUniqueTextHelperHelper for assertUniqueText and assertNoUniqueText.
DrupalWebTestCase::assertUrlPass if the internal browser's URL matches the given path.
DrupalWebTestCase::buildXPathQueryBuilds an XPath query.
DrupalWebTestCase::checkForMetaRefreshCheck for meta refresh tag and if found call drupalGet() recursively. This function looks for the http-equiv attribute to be set to "Refresh" and is case-sensitive.
DrupalWebTestCase::checkPermissionsCheck to make sure that the array of permissions are valid.
DrupalWebTestCase::clickLinkFollows a link by name.
DrupalWebTestCase::constructFieldXpathHelper function: construct an XPath for the given set of attributes and value.
DrupalWebTestCase::cronRunRuns cron in the Drupal installed by Simpletest.
DrupalWebTestCase::curlCloseClose the cURL handler and unset the handler.
DrupalWebTestCase::curlExecInitializes and executes a cURL request.
DrupalWebTestCase::curlHeaderCallbackReads headers and registers errors received from the tested site.
DrupalWebTestCase::curlInitializeInitializes the cURL connection.
DrupalWebTestCase::drupalCompareFilesCompare two files based on size and file name.
DrupalWebTestCase::drupalCreateContentTypeCreates a custom content type based on default settings.
DrupalWebTestCase::drupalCreateNodeCreates a node based on default settings.
DrupalWebTestCase::drupalCreateRoleInternal helper function; Create a role with specified permissions.
DrupalWebTestCase::drupalCreateUserCreate a user with a given set of permissions. The permissions correspond to the names given on the privileges page.
DrupalWebTestCase::drupalGetRetrieves a Drupal path or an absolute path.
DrupalWebTestCase::drupalGetAJAXRetrieve a Drupal path or an absolute path and JSON decode the result.
DrupalWebTestCase::drupalGetContentGets the current raw HTML of requested page.
DrupalWebTestCase::drupalGetHeaderGets the value of an HTTP response header. If multiple requests were required to retrieve the page, only the headers from the last request will be checked by default. However, if TRUE is passed as the second argument, all requests will be processed…
DrupalWebTestCase::drupalGetHeadersGets the HTTP response headers of the requested page. Normally we are only interested in the headers returned by the last request. However, if a page is redirected or HTTP authentication is in use, multiple requests will be required to retrieve the…
DrupalWebTestCase::drupalGetMailsGets an array containing all e-mails sent during this test case.
DrupalWebTestCase::drupalGetNodeByTitleGet a node from the database based on its title.
DrupalWebTestCase::drupalGetSettingsGets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::drupalGetTestFilesGet a list files that can be used in tests.
DrupalWebTestCase::drupalGetTokenGenerate a token for the currently logged in user.
DrupalWebTestCase::drupalHeadRetrieves only the headers for a Drupal path or an absolute path.
DrupalWebTestCase::drupalLoginLog in a user with the internal browser.
DrupalWebTestCase::drupalLogout
DrupalWebTestCase::drupalPostExecute a POST request on a Drupal page. It will be done as usual POST request with SimpleBrowser.
DrupalWebTestCase::drupalPostAJAXExecute an Ajax submission.
DrupalWebTestCase::drupalSetContentSets the raw HTML content. This can be useful when a page has been fetched outside of the internal browser and assertions need to be made on the returned page.
DrupalWebTestCase::drupalSetSettingsSets the value of the Drupal.settings JavaScript variable for the currently loaded page.
DrupalWebTestCase::getAbsoluteUrlTakes a path and returns an absolute path.
DrupalWebTestCase::getAllOptionsGet all option elements, including nested options, in a select.
DrupalWebTestCase::getSelectedItemGet the selected value from a select field.
DrupalWebTestCase::getUrlGet the current url from the cURL handler.
DrupalWebTestCase::handleFormHandle form input related to drupalPost(). Ensure that the specified fields exist and attempt to create POST data in the correct manner for the particular field type.
DrupalWebTestCase::parseParse content returned from curlExec using DOM and SimpleXML.
DrupalWebTestCase::preloadRegistryPreload the registry from the testing site.
DrupalWebTestCase::refreshVariablesRefresh the in-memory set of variables. Useful after a page request is made that changes a variable in a different thread.
DrupalWebTestCase::resetAllReset all data structures after having enabled new modules.
DrupalWebTestCase::tearDownDelete created files and temporary files directory, delete the tables created by setUp(), and reset the database prefix.
DrupalWebTestCase::verboseEmailOutputs to verbose the most recent $count emails sent.
DrupalWebTestCase::xpathPerform an xpath search on the contents of the internal browser. The search is relative to the root element (HTML tag normally) of the page.
DrupalWebTestCase::__constructConstructor for DrupalWebTestCase. Overrides DrupalTestCase::__construct
TaxonomyTermTestCase::getInfo
TaxonomyTermTestCase::setUpGenerates a random database prefix, runs the install scripts on the prefixed database and enable the specified modules. After installation many caches are flushed and the internal browser is setup so that the page requests will run on the new prefix.… Overrides DrupalWebTestCase::setUp
TaxonomyTermTestCase::testNodeTermCreationAndDeletionTest term creation with a free-tagging vocabulary from the node form.
TaxonomyTermTestCase::testTaxonomyGetTermByNameTest taxonomy_get_term_by_name().
TaxonomyTermTestCase::testTaxonomyNodeTest that hook_node_$op implementations work correctly.
TaxonomyTermTestCase::testTaxonomyTermHierarchyTest terms in a single and multiple hierarchy.
TaxonomyTermTestCase::testTermInterfaceSave, edit and delete a term using the user interface.
TaxonomyTermTestCase::testTermMultipleParentsInterfaceTest saving a term with multiple parents through the UI.
TaxonomyTermTestCase::testTermReorderSave, edit and delete a term using the user interface.
TaxonomyWebTestCase::createTermReturns a new term with random properties in vocabulary $vid.
TaxonomyWebTestCase::createVocabularyReturns a new vocabulary with random properties.

modules/taxonomy/taxonomy.test, line 455

View source
<?php
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);

    // 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]), t('Child found correctly.'));
    $this->assertTrue(isset($parents[$term1->tid]), t('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]), t('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]), t('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, t('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, t('Term is displayed when viewing the node.'));

    // Preview the node.
    $this->drupalPost('node/' . $node->nid . '/edit', $edit, t('Preview'));
    $this->assertNoUniqueText($term2->name, t('Term is displayed when previewing the node.'));
    $this->drupalPost(NULL, NULL, t('Preview'));
    $this->assertNoUniqueText($term2->name, t('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(
      $this->randomName(),
      $this->randomName() . ', ' . $this->randomName(),
      $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, t('The term appears on the node preview'));
    }
    $tree = taxonomy_get_tree($this->vocabulary->vid);
    $this->assertTrue(empty($tree), t('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' => $edit["title"])), t('The node was created successfully'));
    foreach ($terms as $term) {
      $this->assertText($term, t('The term was saved and appears on the node page'));
    }

    // Get the created terms.
    list($term1, $term2, $term3) = array_values(taxonomy_term_load_multiple(FALSE));

    // Delete term 1.
    $this->drupalPost('taxonomy/term/' . $term1->tid . '/edit', array(), t('Delete'));
    $this->drupalPost(NULL, NULL, t('Delete'));
    $term_names = array($term2->name, $term3->name);

    // Get the node.
    $node = $this->drupalGetNodeByTitle($edit["title"]);
    $this->drupalGet('node/' . $node->nid);

    foreach ($term_names as $term_name) {
      $this->assertText($term_name, t('The term %name appears on the node page after one term %deleted was deleted', array('%name' => $term_name, '%deleted' => $term1->name)));
    }
    $this->assertNoText($term1->name, t('The deleted term %name does not appear on the node page.', array('%name' => $term1->name)));

    // Test autocomplete on term 2 - it contains a comma, so expect the key to
    // be quoted.
    $input = substr($term2->name, 0, 3);
    $this->drupalGet('taxonomy/autocomplete/taxonomy_' . $this->vocabulary->machine_name . '/' . $input);
    $this->assertRaw('{"\"' . $term2->name . '\"":"' . $term2->name . '"}', t('Autocomplete returns term %term_name after typing the first 3 letters.', array('%term_name' => $term2->name)));

    // Test autocomplete on term 3 - it is alphanumeric only, so no extra
    // quoting.
    $input = substr($term3->name, 0, 3);
    $this->drupalGet('taxonomy/autocomplete/taxonomy_' . $this->vocabulary->machine_name . '/' . $input);
    $this->assertRaw('{"' . $term3->name . '":"' . $term3->name . '"}', t('Autocomplete returns term %term_name after typing the first 3 letters.', array('%term_name' => $term3->name)));
  }

  /**
   * 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, t('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'], t('The randomly generated term name is present.'));
    $this->assertText($edit['description[value]'], t('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'], t('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'], t('The randomly generated term name is present.'));
    $this->assertText($edit['description[value]'], t('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');

    // 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, t('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, t('Term 2 was moved above term 1.'));
    $this->assertEqual($terms[1]->parents, array($term2->tid), t('Term 3 was made a child of term 2.'));
    $this->assertEqual($terms[2]->tid, $term1->tid, t('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, t('Term 1 was moved to back above term 2.'));
    $this->assertEqual($terms[1]->tid, $term2->tid, t('Term 2 was moved to back below term 1.'));
    $this->assertEqual($terms[2]->tid, $term3->tid, t('Term 3 is still below term 2.'));
    $this->assertEqual($terms[2]->parents, array($term2->tid), t('Term 3 is still a child of term 2.') . var_export($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, t('Term found in database'));
    $this->assertEqual($edit['name'], $term->name, t('Term name was successfully saved.'));
    $this->assertEqual($edit['description[value]'], $term->description, t('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, t('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]), t('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]), t('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]), t('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]), t('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);
  }
}
?>