theme.test

<?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\x00",
        );
        $suggestions = theme_get_suggestions($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.');
    }
    
    /**
     * Test that the 'footer' option works correctly.
     */
    function testThemeTableFooter() {
        $footer = array(
            array(
                'data' => array(
                    1,
                ),
            ),
            array(
                'Foo',
            ),
        );
        $table = array(
            'rows' => array(),
            'footer' => $footer,
        );
        $this->content = theme('table', $table);
        $this->content = preg_replace('@>\\s+<@', '><', $this->content);
        $this->assertRaw('<tfoot><tr><td>1</td></tr><tr><td>Foo</td></tr></tfoot>', 'Table footer found.');
    }

}

/**
 * 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 {
    protected $account;
    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.');
    }

}

/**
 * Tests module-provided theme engines.
 */
class ModuleProvidedThemeEngineTestCase extends DrupalWebTestCase {
    public static function getInfo() {
        return array(
            'name' => 'Theme engine test',
            'description' => 'Tests module-provided theme engines.',
            'group' => 'Theme',
        );
    }
    function setUp() {
        parent::setUp('theme_test');
        theme_enable(array(
            'test_theme',
            'test_theme_nyan_cat',
        ));
    }
    
    /**
     * Ensures that the module provided theme engine is found and used by core.
     */
    function testEngineIsFoundAndWorking() {
        variable_set('theme_default', 'test_theme_nyan_cat');
        variable_set('admin_theme', 'test_theme_nyan_cat');
        $this->drupalGet('theme-test/engine-info-test');
        $this->assertText('Miaou');
    }

}