<?php
// $Id$

/**
 * @file
 * Tests for the Skinr UI module.
 */

/**
 * Base class for Skinr UI tests.
 */
class SkinrUITestCase extends DrupalWebTestCase {
  protected $profile = 'testing';

  function setUp() {
    parent::setUp(array('block', 'contextual', 'skinr_test', 'skinr_ui'));

    $this->admin_user = $this->drupalCreateUser(array(
      'administer blocks',
      'access contextual links',
      'administer skinr',
      'edit skin settings',
      'edit advanced skin settings',
    ));
    $this->drupalLogin($this->admin_user);

    // Enable main system block for content region and the user menu block for
    // the first sidebar.
    // @see http://drupal.org/node/913086
    $default_theme = variable_get('theme_default', 'bartik');
    db_merge('block')
      ->key(array(
        'theme' => $default_theme,
        'module' => 'system',
        'delta' => 'main',
      ))
      ->fields(array(
        'status' => 1,
        'region' => 'content',
        'pages' => '',
      ))
      ->execute();
    db_merge('block')
      ->key(array(
        'theme' => $default_theme,
        'module' => 'system',
        'delta' => 'user-menu',
      ))
      ->fields(array(
        'status' => 1,
        'region' => 'sidebar_first',
        'pages' => '',
      ))
      ->execute();

    // Enable Garland and skinr_test_subtheme without enabling its base theme in
    // order to test subtheme inheritance functionality.
    theme_enable(array('garland', 'skinr_test_subtheme'));
  }
}

/**
 * Tests UI functionality.
 */
class SkinrUIBasicTestCase extends SkinrUITestCase {
  public static function getInfo() {
    return array(
      'name' => 'UI',
      'description' => 'Tests basic Skinr UI functionality.',
      'group' => 'Skinr',
    );
  }

  /**
   * Tests basic configuration and applying of a skin.
   *
   * @todo For some reason, contextual links are not visible in the debug output
   *   when running tests; likely a core bug in contextual.js. However, the
   *   links are contained in the output. Keep this in mind when manually
   *   reviewing the debug output after running tests!
   * @todo Remove the overly verbose inline comments after the Skinr development
   *   team has figured out how to write tests.
   */
  function testSkinEdit() {
    // Go to the front page, on which the user menu block should appear.
    $this->drupalGet('');
    // Click the first (index 0) 'Edit skin' link on the page, which should be
    // the link in the contextual links of the user menu block, since no other
    // skinnable elements are visible on the page.
    // For now, this is a simple way to assert and access Skinr links. In the
    // future, we want to be more explicit in testing; i.e., verify that there
    // is really only this link, its 'href' is correct, that it appears in the
    // right location, etc.pp; DrupalWebTestCase ($this) provides many helper
    // functions to assert such things.
    $this->clickLink(t('Edit skin'), 0);
    // Verify that we end up on the expected URL to configure skins for the
    // user menu block.
    $front = variable_get('site_frontpage', 'node');
    $this->assertUrl('admin/appearance/skinr/edit/nojs/block/system-user-menu/configure', array(
      'query' => array('destination' => $front),
    ));

    // skinr_test.module got enabled in setUp(), so its skins should be
    // available.
    // Verify that we can apply the skinr_test_font skin to the block.
    $edit = array(
      'skinr_settings[block_group][bartik][widgets][typography][skinr_test_font]' => 'font_1',
    );
    // NULL means that we want to post to the page that is still contained in
    // SimpleTest's internal browser; i.e., the page of the path above. Instead
    // of passing NULL, you can also pass a Drupal system path and SimpleTest
    // will automatically do a $this->drupalGet($path) for you before posting.
    $this->drupalPost(NULL, $edit, t('Save'));

    // After posting, we expect to be redirected to the originating page, due
    // to the 'destination' query parameter in the 'Edit skin' link. Since we
    // came from the front page, Drupal will redirect us to the actual path of
    // the front page, not ''.
    // Verify that we were redirected to the originating page.
    $this->assertUrl($front);

    // Verify that the skin has been applied.
    // @todo We are going to need this kind of assertion all over again;
    //   abstract it into a assertSkinrClass() helper method.
    $elements = $this->xpath('//div[@id=:id]', array(':id' => 'block-system-user-menu'));
    $class = (string) $elements[0]['class'];
    $this->assertTrue(strpos($class, ' font-1 '), 'CSS class of configured skin option found.');
  }
}

/**
 * Tests administrative pages functionality.
 */
class SkinrUIAdminTestCase extends SkinrUITestCase {
  public static function getInfo() {
    return array(
      'name' => 'Administration',
      'description' => 'Tests administrative Skinr UI functionality.',
      'group' => 'Skinr',
    );
  }

  function setUp() {
    parent::setUp(array('skinr_test', 'skinr_ui'));

    $this->admin_user = $this->drupalCreateUser(array(
      'administer skinr',
      'edit skin settings',
      'edit advanced skin settings',
    ));
    $this->drupalLogin($this->admin_user);

    // Enable Garland and skinr_test_subtheme without enabling its base theme in
    // order to test subtheme inheritance functionality.
    theme_enable(array('garland', 'skinr_test_subtheme'));
  }

  /**
   * Tests default status of skins.
   *
   * The skinr_test_basetheme skin defined by the skinr_test_basetheme theme
   * specifies a default status for itself. Its subtheme should inherit the
   * status of the basetheme.
   *
   * @todo Add assertions for 'default status' itself.
   */
  function testSkinDefaultStatus() {
    // Verify that the skin appears on the skin overview page.
    $this->drupalGet('admin/appearance/skinr/skins');
    $this->assertLinkByHref('admin/appearance/skinr/skins/settings/skinr_test_basetheme');
    $this->drupalGet('admin/appearance/skinr/skins/settings/skinr_test_basetheme');

    // Verify that it is enabled for the skinr_test_subtheme, and disabled for
    // Bartik and Garland by default.
    $this->assertFieldChecked('edit-skins-skinr-test-subtheme-skinr-test-basetheme-enable', 'skinr_test_basetheme skin is enabled for skinr_test_subtheme.');
    $this->assertNoFieldChecked('edit-skins-bartik-skinr-test-basetheme-enable', 'skinr_test_basetheme skin is disabled for Bartik.');
    $this->assertNoFieldChecked('edit-skins-garland-skinr-test-basetheme-enable', 'skinr_test_basetheme skin is disabled for Garland.');
  }

  /**
   * Tests skin group functionality.
   */
  function testSkinGroups() {
    $this->drupalGet('admin/appearance/skinr/skins');

    // Verify that the 'General' (default) group appears.
    $this->assertText(t('General'));

    // Verify that the 'Typography' group appears, since skinr_test module
    // registers a skin in that group.
    $this->assertText(t('Typography'));
  }
}