class BlockTemplateSuggestionsUnitTest extends DrupalUnitTestCase {
  public static function getInfo() {
    return array(
      'name' => 'Block template suggestions',
      'description' => 'Test the template_preprocess_block() function.',
      'group' => 'Block',
    );
  }

  /**
   * Test if template_preprocess_block() handles the suggestions right.
   */
  function testBlockThemeHookSuggestions() {
    // Define block delta with underscore to be preprocessed
    $block1 = new stdClass();
    $block1->module = 'block';
    $block1->delta = 'underscore_test';
    $block1->region = 'footer';
    $variables1 = array();
    $variables1['elements']['#block'] = $block1;
    $variables1['elements']['#children'] = '';
    template_preprocess_block($variables1);
    $this->assertEqual($variables1['theme_hook_suggestions'], array('block__footer', 'block__block', 'block__block__underscore_test'), 'Found expected block suggestions for delta with underscore');

    // Define block delta with hyphens to be preprocessed. Hyphens should be
    // replaced with underscores.
    $block2 = new stdClass();
    $block2->module = 'block';
    $block2->delta = 'hyphen-test';
    $block2->region = 'footer';
    $variables2 = array();
    $variables2['elements']['#block'] = $block2;
    $variables2['elements']['#children'] = '';
    template_preprocess_block($variables2);
    $this->assertEqual($variables2['theme_hook_suggestions'], array('block__footer', 'block__block', 'block__block__hyphen_test'), 'Hyphens (-) in block delta were replaced by underscore (_)');
  }
}