Club Drupal

<?php

/**

 * @file

 * Tests for the theme API.

 */

/**

 * Unit tests for the Theme API.

 */

class ThemeTestCase extends DrupalWebTestCase {

  protected $profile = 'testing';

  public static function getInfo() {

    return array(

      'name' => 'Theme API',

      'description' => 'Test low-level theme functions.',

      'group' => 'Theme',

    );

  }

  function setUp() {

    parent::setUp('theme_test');

    theme_enable(array('test_theme'));

  }

  /**

   * Test function theme_get_suggestions() for SA-CORE-2009-003.

   */

  function testThemeSuggestions() {

    // Set the front page as something random otherwise the CLI

    // test runner fails.

    variable_set('site_frontpage', 'nobody-home');

    $args = array('node', '1', 'edit');

    $suggestions = theme_get_suggestions($args, 'page');

    $this->assertEqual($suggestions, array('page__node', 'page__node__%', 'page__node__1', 'page__node__edit'), 'Found expected node edit page suggestions');

    // Check attack vectors.

    $args = array('node', '\\1');

    $suggestions = theme_get_suggestions($args, 'page');

    $this->assertEqual($suggestions, array('page__node', 'page__node__%', 'page__node__1'), 'Removed invalid \\ from suggestions');

    $args = array('node', '1/');

    $suggestions = theme_get_suggestions($args, 'page');

    $this->assertEqual($suggestions, array('page__node', 'page__node__%', 'page__node__1'), 'Removed invalid / from suggestions');

    $args = array('node', "1\0");

    $suggestions = theme_get_suggestions($args, 'page');

    $this->assertEqual($suggestions, array('page__node', 'page__node__%', 'page__node__1'), 'Removed invalid \\0 from suggestions');

    // Define path with hyphens to be used to generate suggestions.

    $args = array('node', '1', 'hyphen-path');

    $result = array('page__node', 'page__node__%', 'page__node__1', 'page__node__hyphen_path');

    $suggestions = theme_get_suggestions($args, 'page');

    $this->assertEqual($suggestions, $result, 'Found expected page suggestions for paths containing hyphens.');

  }

  /**

   * Ensures preprocess functions run even for suggestion implementations.

   *

   * The theme hook used by this test has its base preprocess function in a

   * separate file, so this test also ensures that that file is correctly loaded

   * when needed.

   */

  function testPreprocessForSuggestions() {

    // Test with both an unprimed and primed theme registry.

    drupal_theme_rebuild();

    for ($i = 0; $i < 2; $i++) {

      $this->drupalGet('theme-test/suggestion');

      $this->assertText('Theme hook implementor=test_theme_theme_test__suggestion(). Foo=template_preprocess_theme_test', 'Theme hook suggestion ran with data available from a preprocess function for the base hook.');

    }

  }

  /**

   * Ensure page-front template suggestion is added when on front page.

   */

  function testFrontPageThemeSuggestion() {

    $q = $_GET['q'];

    // Set $_GET['q'] to node because theme_get_suggestions() will query it to

    // see if we are on the front page.

    $_GET['q'] = variable_get('site_frontpage', 'node');

    $suggestions = theme_get_suggestions(explode('/', $_GET['q']), 'page');

    // Set it back to not annoy the batch runner.

    $_GET['q'] = $q;

    $this->assertTrue(in_array('page__front', $suggestions), 'Front page template was suggested.');

  }

  /**

   * Ensures theme hook_*_alter() implementations can run before anything is rendered.

   */

  function testAlter() {

    $this->drupalGet('theme-test/alter');

    $this->assertText('The altered data is test_theme_theme_test_alter_alter was invoked.', 'The theme was able to implement an alter hook during page building before anything was rendered.');

  }

  /**

   * Ensures a theme's .info file is able to override a module CSS file from being added to the page.

   *

   * @see test_theme.info

   */

  function testCSSOverride() {

    // Reuse the same page as in testPreprocessForSuggestions(). We're testing

    // what is output to the HTML HEAD based on what is in a theme's .info file,

    // so it doesn't matter what page we get, as long as it is themed with the

    // test theme. First we test with CSS aggregation disabled.

    variable_set('preprocess_css', 0);

    $this->drupalGet('theme-test/suggestion');

    $this->assertNoText('system.base.css', 'The theme\'s .info file is able to override a module CSS file from being added to the page.');

    // Also test with aggregation enabled, simply ensuring no PHP errors are

    // triggered during drupal_build_css_cache() when a source file doesn't

    // exist. Then allow remaining tests to continue with aggregation disabled

    // by default.

    variable_set('preprocess_css', 1);

    $this->drupalGet('theme-test/suggestion');

    variable_set('preprocess_css', 0);

  }

  /**

   * Ensures the theme registry is rebuilt when modules are disabled/enabled.

   */

  function testRegistryRebuild() {

    $this->assertIdentical(theme('theme_test_foo', array('foo' => 'a')), 'a', 'The theme registry contains theme_test_foo.');

    module_disable(array('theme_test'), FALSE);

    $this->assertIdentical(theme('theme_test_foo', array('foo' => 'b')), '', 'The theme registry does not contain theme_test_foo, because the module is disabled.');

    module_enable(array('theme_test'), FALSE);

    $this->assertIdentical(theme('theme_test_foo', array('foo' => 'c')), 'c', 'The theme registry contains theme_test_foo again after re-enabling the module.');

  }

  /**

   * Test the list_themes() function.

   */

  function testListThemes() {

    $themes = list_themes();

    // Check if drupal_theme_access() retrieves enabled themes properly from list_themes().

    $this->assertTrue(drupal_theme_access('test_theme'), 'Enabled theme detected');

    // Check if list_themes() returns disabled themes.

    $this->assertTrue(array_key_exists('test_basetheme', $themes), 'Disabled theme detected');

    // Check for base theme and subtheme lists.

    $base_theme_list = array('test_basetheme' => 'Theme test base theme');

    $sub_theme_list = array('test_subtheme' => 'Theme test subtheme');

    $this->assertIdentical($themes['test_basetheme']->sub_themes, $sub_theme_list, 'Base theme\'s object includes list of subthemes.');

    $this->assertIdentical($themes['test_subtheme']->base_themes, $base_theme_list, 'Subtheme\'s object includes list of base themes.');

    // Check for theme engine in subtheme.

    $this->assertIdentical($themes['test_subtheme']->engine, 'phptemplate', 'Subtheme\'s object includes the theme engine.');

    // Check for theme engine prefix.

    $this->assertIdentical($themes['test_basetheme']->prefix, 'phptemplate', 'Base theme\'s object includes the theme engine prefix.');

    $this->assertIdentical($themes['test_subtheme']->prefix, 'phptemplate', 'Subtheme\'s object includes the theme engine prefix.');

  }

  /**

   * Test the theme_get_setting() function.

   */

  function testThemeGetSetting() {

    $GLOBALS['theme_key'] = 'test_theme';

    $this->assertIdentical(theme_get_setting('theme_test_setting'), 'default value', 'theme_get_setting() uses the default theme automatically.');

    $this->assertNotEqual(theme_get_setting('subtheme_override', 'test_basetheme'), theme_get_setting('subtheme_override', 'test_subtheme'), 'Base theme\'s default settings values can be overridden by subtheme.');

    $this->assertIdentical(theme_get_setting('basetheme_only', 'test_subtheme'), 'base theme value', 'Base theme\'s default settings values are inherited by subtheme.');

  }

  /**

   * Test the drupal_add_region_content() function.

   */

  function testDrupalAddRegionContent() {

    $this->drupalGet('theme-test/drupal-add-region-content');

    $this->assertText('Hello');

    $this->assertText('World');

  }

}

/**

 * Unit tests for theme_table().

 */

class ThemeTableTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Theme Table',

      'description' => 'Tests built-in theme functions.',

      'group' => 'Theme',

    );

  }

  /**

   * Tableheader.js provides 'sticky' table headers, and is included by default.

   */

  function testThemeTableStickyHeaders() {

    $header = array('one', 'two', 'three');

    $rows = array(array(1,2,3), array(4,5,6), array(7,8,9));

    $this->content = theme('table', array('header' => $header, 'rows' => $rows));

    $js = drupal_add_js();

    $this->assertTrue(isset($js['misc/tableheader.js']), 'tableheader.js was included when $sticky = TRUE.');

    $this->assertRaw('sticky-enabled', 'Table has a class of sticky-enabled when $sticky = TRUE.');

    drupal_static_reset('drupal_add_js');

  }

  /**

   * If $sticky is FALSE, no tableheader.js should be included.

   */

  function testThemeTableNoStickyHeaders() {

    $header = array('one', 'two', 'three');

    $rows = array(array(1,2,3), array(4,5,6), array(7,8,9));

    $attributes = array();

    $caption = NULL;

    $colgroups = array();

    $this->content = theme('table', array('header' => $header, 'rows' => $rows, 'attributes' => $attributes, 'caption' => $caption, 'colgroups' => $colgroups, 'sticky' => FALSE));

    $js = drupal_add_js();

    $this->assertFalse(isset($js['misc/tableheader.js']), 'tableheader.js was not included because $sticky = FALSE.');

    $this->assertNoRaw('sticky-enabled', 'Table does not have a class of sticky-enabled because $sticky = FALSE.');

    drupal_static_reset('drupal_add_js');

  }

  /**

   * Tests that the table header is printed correctly even if there are no rows,

   * and that the empty text is displayed correctly.

   */

  function testThemeTableWithEmptyMessage() {

    $header = array(

      t('Header 1'),

      array(

        'data' => t('Header 2'),

        'colspan' => 2,

      ),

    );

    $this->content = theme('table', array('header' => $header, 'rows' => array(), 'empty' => t('No strings available.')));

    $this->assertRaw('<tr class="odd"><td colspan="3" class="empty message">No strings available.</td>', 'Correct colspan was set on empty message.');

    $this->assertRaw('<thead><tr><th>Header 1</th>', 'Table header was printed.');

  }

  /**

   * Tests that the 'no_striping' option works correctly.

   */

  function testThemeTableWithNoStriping() {

    $rows = array(

      array(

        'data' => array(1),

        'no_striping' => TRUE,

      ),

    );

    $this->content = theme('table', array('rows' => $rows));

    $this->assertNoRaw('class="odd"', 'Odd/even classes were not added because $no_striping = TRUE.');

    $this->assertNoRaw('no_striping', 'No invalid no_striping HTML attribute was printed.');

  }

}

/**

 * Unit tests for theme_item_list().

 */

class ThemeItemListUnitTest extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Theme item list',

      'description' => 'Test the theme_item_list() function.',

      'group' => 'Theme',

    );

  }

  /**

   * Test item list rendering.

   */

  function testItemList() {

    $items = array('a', array('data' => 'b', 'children' => array('c' => 'c', 'd' => 'd', 'e' => 'e')), 'f');

    $expected = '<div class="item-list"><ul><li class="first">a</li>

<li>b<div class="item-list"><ul><li class="first">c</li>

<li>d</li>

<li class="last">e</li>

</ul></div></li>

<li class="last">f</li>

</ul></div>';

    $output = theme('item_list', array('items' => $items));

    $this->assertIdentical($expected, $output, 'Item list is rendered correctly.');

  }

}

/**

 * Unit tests for theme_links().

 */

class ThemeLinksTest extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Links',

      'description' => 'Test the theme_links() function and rendering groups of links.',

      'group' => 'Theme',

    );

  }

  /**

   * Test the use of drupal_pre_render_links() on a nested array of links.

   */

  function testDrupalPreRenderLinks() {

    // Define the base array to be rendered, containing a variety of different

    // kinds of links.

    $base_array = array(

      '#theme' => 'links',

      '#pre_render' => array('drupal_pre_render_links'),

      '#links' => array(

        'parent_link' => array(

          'title' => 'Parent link original',

          'href' => 'parent-link-original',

        ),

      ),

      'first_child' => array(

        '#theme' => 'links',

        '#links' => array(

          // This should be rendered if 'first_child' is rendered separately,

          // but ignored if the parent is being rendered (since it duplicates

          // one of the parent's links).

          'parent_link' => array(

            'title' => 'Parent link copy',

            'href' => 'parent-link-copy',

          ),

          // This should always be rendered.

          'first_child_link' => array(

            'title' => 'First child link',

            'href' => 'first-child-link',

          ),

        ),

      ),

      // This should always be rendered as part of the parent.

      'second_child' => array(

        '#theme' => 'links',

        '#links' => array(

          'second_child_link' => array(

            'title' => 'Second child link',

            'href' => 'second-child-link',

          ),

        ),

      ),

      // This should never be rendered, since the user does not have access to

      // it.

      'third_child' => array(

        '#theme' => 'links',

        '#links' => array(

          'third_child_link' => array(

            'title' => 'Third child link',

            'href' => 'third-child-link',

          ),

        ),

        '#access' => FALSE,

      ),

    );

    // Start with a fresh copy of the base array, and try rendering the entire

    // thing. We expect a single <ul> with appropriate links contained within

    // it.

    $render_array = $base_array;

    $html = drupal_render($render_array);

    $dom = new DOMDocument();

    $dom->loadHTML($html);

    $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered HTML.');

    $list_elements = $dom->getElementsByTagName('li');

    $this->assertEqual($list_elements->length, 3, 'Three "li" tags found in the rendered HTML.');

    $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link original', 'First expected link found.');

    $this->assertEqual($list_elements->item(1)->nodeValue, 'First child link', 'Second expected link found.');

    $this->assertEqual($list_elements->item(2)->nodeValue, 'Second child link', 'Third expected link found.');

    $this->assertIdentical(strpos($html, 'Parent link copy'), FALSE, '"Parent link copy" link not found.');

    $this->assertIdentical(strpos($html, 'Third child link'), FALSE, '"Third child link" link not found.');

    // Now render 'first_child', followed by the rest of the links, and make

    // sure we get two separate <ul>'s with the appropriate links contained

    // within each.

    $render_array = $base_array;

    $child_html = drupal_render($render_array['first_child']);

    $parent_html = drupal_render($render_array);

    // First check the child HTML.

    $dom = new DOMDocument();

    $dom->loadHTML($child_html);

    $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered child HTML.');

    $list_elements = $dom->getElementsByTagName('li');

    $this->assertEqual($list_elements->length, 2, 'Two "li" tags found in the rendered child HTML.');

    $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link copy', 'First expected link found.');

    $this->assertEqual($list_elements->item(1)->nodeValue, 'First child link', 'Second expected link found.');

    // Then check the parent HTML.

    $dom = new DOMDocument();

    $dom->loadHTML($parent_html);

    $this->assertEqual($dom->getElementsByTagName('ul')->length, 1, 'One "ul" tag found in the rendered parent HTML.');

    $list_elements = $dom->getElementsByTagName('li');

    $this->assertEqual($list_elements->length, 2, 'Two "li" tags found in the rendered parent HTML.');

    $this->assertEqual($list_elements->item(0)->nodeValue, 'Parent link original', 'First expected link found.');

    $this->assertEqual($list_elements->item(1)->nodeValue, 'Second child link', 'Second expected link found.');

    $this->assertIdentical(strpos($parent_html, 'First child link'), FALSE, '"First child link" link not found.');

    $this->assertIdentical(strpos($parent_html, 'Third child link'), FALSE, '"Third child link" link not found.');

  }

}

/**

 * Functional test for initialization of the theme system in hook_init().

 */

class ThemeHookInitTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Theme initialization in hook_init()',

      'description' => 'Tests that the theme system can be correctly initialized in hook_init().',

      'group' => 'Theme',

    );

  }

  function setUp() {

    parent::setUp('theme_test');

  }

  /**

   * Test that the theme system can generate output when called by hook_init().

   */

  function testThemeInitializationHookInit() {

    $this->drupalGet('theme-test/hook-init');

    $this->assertRaw('Themed output generated in hook_init()', 'Themed output generated in hook_init() correctly appears on the page.');

    $this->assertRaw('bartik/css/style.css', "The default theme's CSS appears on the page when the theme system is initialized in hook_init().");

  }

}

/**

 * Tests autocompletion not loading registry.

 */

class ThemeFastTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Theme fast initialization',

      'description' => 'Test that autocompletion does not load the registry.',

      'group' => 'Theme'

    );

  }

  function setUp() {

    parent::setUp('theme_test');

    $this->account = $this->drupalCreateUser(array('access user profiles'));

  }

  /**

   * Tests access to user autocompletion and verify the correct results.

   */

  function testUserAutocomplete() {

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

    $this->drupalGet('user/autocomplete/' . $this->account->name);

    $this->assertText('registry not initialized', 'The registry was not initialized');

  }

}

/**

 * Tests the markup of core render element types passed to drupal_render().

 */

class RenderElementTypesTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Render element types',

      'description' => 'Tests the markup of core render element types passed to drupal_render().',

      'group' => 'Theme',

    );

  }

  /**

   * Asserts that an array of elements is rendered properly.

   *

   * @param array $elements

   *   An array of associative arrays describing render elements and their

   *   expected markup. Each item in $elements must contain the following:

   *   - 'name': This human readable description will be displayed on the test

   *     results page.

   *   - 'value': This is the render element to test.

   *   - 'expected': This is the expected markup for the element in 'value'.

   */

  function assertElements($elements) {

    foreach($elements as $element) {

      $this->assertIdentical(drupal_render($element['value']), $element['expected'], '"' . $element['name'] . '" input rendered correctly by drupal_render().');

    }

  }

  /**

   * Tests system #type 'container'.

   */

  function testContainer() {

    $elements = array(

      // Basic container with no attributes.

      array(

        'name' => "#type 'container' with no HTML attributes",

        'value' => array(

          '#type' => 'container',

          'child' => array(

            '#markup' => 'foo',

          ),

        ),

        'expected' => '<div>foo</div>',

      ),

      // Container with a class.

      array(

        'name' => "#type 'container' with a class HTML attribute",

        'value' => array(

          '#type' => 'container',

          'child' => array(

            '#markup' => 'foo',

          ),

          '#attributes' => array(

            'class' => 'bar',

          ),

        ),

        'expected' => '<div class="bar">foo</div>',

      ),

    );

    $this->assertElements($elements);

  }

  /**

   * Tests system #type 'html_tag'.

   */

  function testHtmlTag() {

    $elements = array(

      // Test auto-closure meta tag generation.

      array(

        'name' => "#type 'html_tag' auto-closure meta tag generation",

        'value' => array(

          '#type' => 'html_tag',

          '#tag' => 'meta',

          '#attributes' => array(

            'name' => 'description',

            'content' => 'Drupal test',

          ),

        ),

        'expected' => '<meta name="description" content="Drupal test" />' . "\n",

      ),

      // Test title tag generation.

      array(

        'name' => "#type 'html_tag' title tag generation",

        'value' => array(

          '#type' => 'html_tag',

          '#tag' => 'title',

          '#value' => 'title test',

        ),

        'expected' => '<title>title test</title>' . "\n",

      ),

    );

    $this->assertElements($elements);

  }

}

/**

 * Tests for the ThemeRegistry class.

 */

class ThemeRegistryTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'ThemeRegistry',

      'description' => 'Tests the behavior of the ThemeRegistry class',

      'group' => 'Theme',

    );

  }

  function setUp() {

    parent::setUp('theme_test');

  }

  /**

   * Tests the behavior of the theme registry class.

   */

  function testRaceCondition() {

    $_SERVER['REQUEST_METHOD'] = 'GET';

    $cid = 'test_theme_registry';

    // Directly instantiate the theme registry, this will cause a base cache

    // entry to be written in __construct().

    $registry = new ThemeRegistry($cid, 'cache');

    $this->assertTrue(cache_get($cid), 'Cache entry was created.');

    // Trigger a cache miss for an offset.

    $this->assertTrue($registry['theme_test_template_test'], 'Offset was returned correctly from the theme registry.');

    // This will cause the ThemeRegistry class to write an updated version of

    // the cache entry when it is destroyed, usually at the end of the request.

    // Before that happens, manually delete the cache entry we created earlier

    // so that the new entry is written from scratch.

    cache_clear_all($cid, 'cache');

    // Destroy the class so that it triggers a cache write for the offset.

    unset($registry);

    $this->assertTrue(cache_get($cid), 'Cache entry was created.');

    // Create a new instance of the class. Confirm that both the offset

    // requested previously, and one that has not yet been requested are both

    // available.

    $registry = new ThemeRegistry($cid, 'cache');

    $this->assertTrue($registry['theme_test_template_test'], 'Offset was returned correctly from the theme registry');

    $this->assertTrue($registry['theme_test_template_test_2'], 'Offset was returned correctly from the theme registry');

  }

}

/**

 * Tests for theme debug markup.

 */

class ThemeDebugMarkupTestCase extends DrupalWebTestCase {

  public static function getInfo() {

    return array(

      'name' => 'Theme debug markup',

      'description' => 'Tests theme debug markup output.',

      'group' => 'Theme',

    );

  }

  function setUp() {

    parent::setUp('theme_test', 'node');

    theme_enable(array('test_theme'));

  }

  /**

   * Tests debug markup added to template output.

   */

  function testDebugOutput() {

    variable_set('theme_default', 'test_theme');

    // Enable the debug output.

    variable_set('theme_debug', TRUE);

    $registry = theme_get_registry();

    $extension = '.tpl.php';

    // Populate array of templates.

    $templates = drupal_find_theme_templates($registry, $extension, drupal_get_path('theme', 'test_theme'));

    $templates += drupal_find_theme_templates($registry, $extension, drupal_get_path('module', 'node'));

    // Create a node and test different features of the debug markup.

    $node = $this->drupalCreateNode();

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

    $this->assertRaw('<!-- THEME DEBUG -->', 'Theme debug markup found in theme output when debug is enabled.');

    $this->assertRaw("CALL: theme('node')", 'Theme call information found.');

    $this->assertRaw('x node--1' . $extension . PHP_EOL . '   * node--page' . $extension . PHP_EOL . '   * node' . $extension, 'Suggested template files found in order and node ID specific template shown as current template.');

    $template_filename = $templates['node__1']['path'] . '/' . $templates['node__1']['template'] . $extension;

    $this->assertRaw("BEGIN OUTPUT from '$template_filename'", 'Full path to current template file found.');

    // Create another node and make sure the template suggestions shown in the

    // debug markup are correct.

    $node2 = $this->drupalCreateNode();

    $this->drupalGet('node/' . $node2->nid);

    $this->assertRaw('* node--2' . $extension . PHP_EOL . '   * node--page' . $extension . PHP_EOL . '   x node' . $extension, 'Suggested template files found in order and base template shown as current template.');

    // Create another node and make sure the template suggestions shown in the

    // debug markup are correct.

    $node3 = $this->drupalCreateNode();

    $build = array('#theme' => 'node__foo__bar');

    $build += node_view($node3);

    $output = drupal_render($build);

    $this->assertTrue(strpos($output, "CALL: theme('node__foo__bar')") !== FALSE, 'Theme call information found.');

    $this->assertTrue(strpos($output, '* node--foo--bar' . $extension . PHP_EOL . '   * node--foo' . $extension . PHP_EOL . '   * node--3' . $extension . PHP_EOL . '   * node--page' . $extension . PHP_EOL . '   x node' . $extension) !== FALSE, 'Suggested template files found in order and base template shown as current template.');

    // Disable theme debug.

    variable_set('theme_debug', FALSE);

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

    $this->assertNoRaw('<!-- THEME DEBUG -->', 'Theme debug markup not found in theme output when debug is disabled.');

  }

}