<?php
// $Id$

/**
 * @file
 * Tests for the theme API.
 */

/**
 * Unit tests for the Theme API.
 */
class ThemeUnitTest extends DrupalWebTestCase {
  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'), t('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'), t('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'), t('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'), t('Removed invalid \\0 from suggestions'));
  }

  /**
  * Preprocess functions for the base hook should run even for suggestion implementations.
  */
  function testPreprocessForSuggestions() {
    $this->drupalGet('theme-test/suggestion');
    $this->assertText('test_theme_breadcrumb__suggestion: 1', t('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), t('Front page template was suggested.'));
  }
}

/**
 * Unit tests for theme_table().
 */
class ThemeTableUnitTest 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']), t('tableheader.js was included when $sticky = TRUE.'));
    $this->assertRaw('sticky-enabled',  t('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']), t('tableheader.js was not included because $sticky = FALSE.'));
    $this->assertNoRaw('sticky-enabled',  t('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>', t('Correct colspan was set on empty message.'));
    $this->assertRaw('<thead><tr><th>Header 1</th>', t('Table header 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 nested list rendering.
   */
  function testNestedList() {
    $items = array('a', array('data' => 'b', 'children' => array('c', 'd')), 'e');
    $expected = '<div class="item-list"><ul><li class="first">a</li>
<li>b<div class="item-list"><ul><li class="first">c</li>
<li class="last">d</li>
</ul></div></li>
<li class="last">e</li>
</ul></div>';
    $output = theme('item_list', array('items' => $items, 'type' => 'ul', 'title' => NULL, 'attributes' => array()));
    $this->assertIdentical($expected, $output, 'Nested list is rendered correctly.');
  }
}

/**
 * Functional test for initialization of the theme system in hook_init().
 */
class ThemeHookInitUnitTest 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');
    variable_set('theme_default', 'garland');
  }

  /**
   * 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()', t('Themed output generated in hook_init() correctly appears on the page.'));
    $this->assertRaw('garland/style.css', t("The default theme's CSS appears on the page when the theme system is initialized in hook_init()."));
  }
}