<?php

/**
 * @file
 * This file contains the unit tests of the internals.
 */


//file_put_contents('test.html', print_r(array($hierarchy, $reference), TRUE));
define('SEP', '|');
define('EURO', 'europe');
define('EURO_BE', 'belgium');
define('EURO_BE_BRU', 'brussels');
define('EURO_BE_HAS', 'hasselt');
define('EURO_FR', 'france');
define('ASIA', 'asia');
define('ASIA_CH', 'china');
define('ASIA_JP', 'japan');
define('ASIA_JP_TOK', 'tokyo');

define('LABEL_EURO', 'Europe');
define('LABEL_EURO_BE', 'Belgium');
define('LABEL_EURO_BE_BRU', 'Brussels');
define('LABEL_EURO_BE_HAS', 'Hasselt');
define('LABEL_EURO_FR', 'France');
define('LABEL_ASIA', 'Asia');
define('LABEL_ASIA_CH', 'China');
define('LABEL_ASIA_JP', 'Japan');
define('LABEL_ASIA_JP_TOK', 'tokyo');

define('LINEAGE_EURO', implode(SEP, array(EURO)));
define('LINEAGE_EURO_BE', implode(SEP, array(EURO, EURO_BE)));
define('LINEAGE_EURO_BE_BRU', implode(SEP, array(EURO, EURO_BE, EURO_BE_BRU)));
define('LINEAGE_EURO_BE_HAS', implode(SEP, array(EURO, EURO_BE, EURO_BE_HAS)));
define('LINEAGE_EURO_FR', implode(SEP, array(EURO, EURO_FR)));
define('LINEAGE_ASIA', implode(SEP, array(ASIA)));
define('LINEAGE_ASIA_CH', implode(SEP, array(ASIA, ASIA_CH)));
define('LINEAGE_ASIA_JP', implode(SEP, array(ASIA, ASIA_JP)));
define('LINEAGE_ASIA_JP_TOK', implode(SEP, array(ASIA, ASIA_JP, ASIA_JP_TOK)));


class HierarchicalSelectInternals extends DrupalWebTestCase {
  private $small_hierarchy = array(
    EURO => array(
      'label' => LABEL_EURO,
      'children' => array(
        EURO_BE => array(
          'label' => LABEL_EURO_BE,
          'children' => array(
            EURO_BE_BRU => array(
              'label' => LABEL_EURO_BE_BRU,
            ),
            EURO_BE_HAS => array(
              'label' => LABEL_EURO_BE_HAS,
            ),
          ),
        ),
        EURO_FR => array(
          'label' => LABEL_EURO_FR,
        ),
      ),
    ),
    ASIA => array(
      'label' => LABEL_ASIA,
      'children' => array(
        ASIA_CH => array(
          'label' => LABEL_ASIA_CH,
        ),
        ASIA_JP => array(
          'label' => LABEL_ASIA_JP,
          'children' => array(
            ASIA_JP_TOK => array(
              'label' => LABEL_ASIA_JP_TOK,
            ),
          ),
        ),
      ),
    ),
  );


  /**
   * Implementation of getInfo().
   */
  public function getInfo() {
    return array(
      'name'        => 'Internals',
      'description' => 'Checks whether all internals are working: the
                        building of the hierarchy and dropbox objects.',
      'group'       => 'Hierarchical Select',
    );
  }

  /**
   * Implementation of setUp().
   */
  public function setUp() {
    parent::setUp('hierarchical_select', 'hs_smallhierarchy');
  }

  // In this test, all settings are disabled.
  public function testAllSettingsOff() {
    // Generate form item.
    $form_item = array(
      '#required' => FALSE,
      '#config' => array(
        'module' => 'hs_smallhierarchy',
        'params' => array(
          'hierarchy' => $this->small_hierarchy,
          'id'        => 'driverpack_platforms',
          'separator' => '|',
        ),
        'save_lineage'    => 0,
        'enforce_deepest' => 0,
        'resizable'       => 1,
        'level_labels' => array(
          'status' => 0,
        ),
        'dropbox' => array(
          'status'   => 0,
          'limit'    => 0,
          'reset_hs' => 1,
        ),
        'editability' => array(
          'status'           => 0,
          'item_types'       => array(),
          'allowed_levels'   => array(),
          'allow_new_levels' => 0,
          'max_levels'       => 3,
        ),
        'entity_count'    => array(
          'enabled' => 0,
          'require_entity' => 0,
          'settings' => array(
            'count_children' => 0,
            'entity_types' => array(),
          ),
        ),
        'animation_delay'    => 400,
        'exclusive_lineages' => array(),
        'render_flat_select' => 0,
      ),
    );

    // No selection
    list($hierarchy, $dropbox) = $this->generate($form_item, array(), array());
    $reference = new stdClass();
    $reference->lineage = array(
      0 => 'none',
    );
    $reference->levels = array(
      0 => array(
        'none' => '<none>',
        LINEAGE_EURO => LABEL_EURO,
        LINEAGE_ASIA => LABEL_ASIA,
      ),
    );
    $reference->childinfo = array(
      0 => array(
        LINEAGE_EURO => 2,
        LINEAGE_ASIA => 2,
      ),
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Europe
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => 'label_1',
    );
    $reference->levels[1] = array(
      'label_1'            => '',
      LINEAGE_EURO_BE => LABEL_EURO_BE,
      LINEAGE_EURO_FR => LABEL_EURO_FR,
    );
    $reference->childinfo[1] = array(
      LINEAGE_EURO_BE => 2,
      LINEAGE_EURO_FR => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Europe > France
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO_FR), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => LINEAGE_EURO_FR,
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Europe > Belgium
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO_BE), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => LINEAGE_EURO_BE,
      2 => 'label_2',
    );
    $reference->levels[1] = array(
      'label_1'            => '',
      LINEAGE_EURO_BE => LABEL_EURO_BE,
      LINEAGE_EURO_FR => LABEL_EURO_FR,
    );
    $reference->levels[2] = array(
      'label_2'            => '',
      LINEAGE_EURO_BE_BRU => LABEL_EURO_BE_BRU,
      LINEAGE_EURO_BE_HAS => LABEL_EURO_BE_HAS,
    );
    $reference->childinfo[1] = array(
      LINEAGE_EURO_BE => 2,
      LINEAGE_EURO_FR => 0,
    );
    $reference->childinfo[2] = array(
      LINEAGE_EURO_BE_BRU => 0,
      LINEAGE_EURO_BE_HAS => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Asia
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_ASIA), array());
    $reference->lineage = array(
      0 => LINEAGE_ASIA,
      1 => 'label_1',
    );
    $reference->levels[1] = array(
      'label_1'            => '',
      LINEAGE_ASIA_CH => LABEL_ASIA_CH,
      LINEAGE_ASIA_JP => LABEL_ASIA_JP,
    );
    unset($reference->levels[2]);
    $reference->childinfo[1] = array(
      LINEAGE_ASIA_CH => 0,
      LINEAGE_ASIA_JP => 1,
    );
    unset($reference->childinfo[2]);
    $this->assertHierarchy($hierarchy, $reference);

    // Asia > Japan > Tokyo
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_ASIA_JP_TOK), array());
    $reference->lineage = array(
      0 => LINEAGE_ASIA,
      1 => LINEAGE_ASIA_JP,
      2 => LINEAGE_ASIA_JP_TOK,
    );
    $reference->levels[2] = array(
      'label_2'           => '',
      LINEAGE_ASIA_JP_TOK => LABEL_ASIA_JP_TOK,
    );
    $reference->childinfo[2] = array(
      LINEAGE_ASIA_JP_TOK => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);
  }

  // In this test, only enforce_deepest enabled.
  public function testEnforceDeepest() {
    // Generate form item.
    $form_item = array(
      '#required' => FALSE,
      '#config' => array(
        'module' => 'hs_smallhierarchy',
        'params' => array(
          'hierarchy' => $this->small_hierarchy,
          'id'        => 'driverpack_platforms',
          'separator' => '|',
        ),
        'save_lineage'    => 0,
        'enforce_deepest' => 1,
        'resizable'       => 1,
        'level_labels' => array(
          'status' => 0,
        ),
        'dropbox' => array(
          'status'   => 0,
          'limit'    => 0,
          'reset_hs' => 1,
        ),
        'editability' => array(
          'status'           => 0,
          'item_types'       => array(),
          'allowed_levels'   => array(),
          'allow_new_levels' => 0,
          'max_levels'       => 3,
        ),
        'entity_count'    => array(
          'enabled' => 0,
          'require_entity' => 0,
          'settings' => array(
            'count_children' => 0,
            'entity_types' => array(),
          ),
        ),
        'animation_delay'    => 400,
        'exclusive_lineages' => array(),
        'render_flat_select' => 0,
      ),
    );

    // No selection
    list($hierarchy, $dropbox) = $this->generate($form_item, array(), array());
    $reference = new stdClass();
    $reference->lineage = array(
      0 => 'label_0',
    );
    $reference->levels = array(
      0 => array(
        'none' => '<none>',
        LINEAGE_EURO => LABEL_EURO,
        LINEAGE_ASIA => LABEL_ASIA,
      ),
    );
    $reference->childinfo = array(
      0 => array(
        LINEAGE_EURO => 2,
        LINEAGE_ASIA => 2,
      ),
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Europe
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => LINEAGE_EURO_BE,
      2 => LINEAGE_EURO_BE_BRU,
    );
    $reference->levels[1] = array(
      LINEAGE_EURO_BE => LABEL_EURO_BE,
      LINEAGE_EURO_FR => LABEL_EURO_FR,
    );
    $reference->levels[2] = array(
      LINEAGE_EURO_BE_BRU => LABEL_EURO_BE_BRU,
      LINEAGE_EURO_BE_HAS => LABEL_EURO_BE_HAS,
    );
    $reference->childinfo[1] = array(
      LINEAGE_EURO_BE => 2,
      LINEAGE_EURO_FR => 0,
    );
    $reference->childinfo[2] = array(
      LINEAGE_EURO_BE_BRU => 0,
      LINEAGE_EURO_BE_HAS => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Europe > France
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO_FR), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => LINEAGE_EURO_FR,
    );
    unset($reference->levels[2]);
    unset($reference->childinfo[2]);
    $this->assertHierarchy($hierarchy, $reference);

    // Europe > Belgium
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_EURO_BE), array());
    $reference->lineage = array(
      0 => LINEAGE_EURO,
      1 => LINEAGE_EURO_BE,
      2 => LINEAGE_EURO_BE_BRU,
    );
    $reference->levels[1] = array(
      LINEAGE_EURO_BE => LABEL_EURO_BE,
      LINEAGE_EURO_FR => LABEL_EURO_FR,
    );
    $reference->levels[2] = array(
      LINEAGE_EURO_BE_BRU => LABEL_EURO_BE_BRU,
      LINEAGE_EURO_BE_HAS => LABEL_EURO_BE_HAS,
    );
    $reference->childinfo[1] = array(
      LINEAGE_EURO_BE => 2,
      LINEAGE_EURO_FR => 0,
    );
    $reference->childinfo[2] = array(
      LINEAGE_EURO_BE_BRU => 0,
      LINEAGE_EURO_BE_HAS => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);

    // Asia
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_ASIA), array());
    $reference->lineage = array(
      0 => LINEAGE_ASIA,
      1 => LINEAGE_ASIA_CH,
    );
    $reference->levels[1] = array(
      LINEAGE_ASIA_CH => LABEL_ASIA_CH,
      LINEAGE_ASIA_JP => LABEL_ASIA_JP,
    );
    unset($reference->levels[2]);
    $reference->childinfo[1] = array(
      LINEAGE_ASIA_CH => 0,
      LINEAGE_ASIA_JP => 1,
    );
    unset($reference->childinfo[2]);
    $this->assertHierarchy($hierarchy, $reference);

    // Asia > Japan > Tokyo
    list($hierarchy, $dropbox) = $this->generate($form_item, array(LINEAGE_ASIA_JP_TOK), array());
    $reference->lineage = array(
      0 => LINEAGE_ASIA,
      1 => LINEAGE_ASIA_JP,
      2 => LINEAGE_ASIA_JP_TOK,
    );
    $reference->levels[2] = array(
      LINEAGE_ASIA_JP_TOK => LABEL_ASIA_JP_TOK,
    );
    $reference->childinfo[2] = array(
      LINEAGE_ASIA_JP_TOK => 0,
    );
    $this->assertHierarchy($hierarchy, $reference);
  }


  //--------------------------------------------------------------------------
  // Private methods.

  private function generate($element, $hs_selection, $db_selection, $op = 'Update') {
    $config = $element['#config'];

    // Generate the $hierarchy and $dropbox objects using the selections that
    // were just calculated.
    $dropbox = (!$config['dropbox']['status']) ? FALSE : _hierarchical_select_dropbox_generate($config, $db_selection);
    $hierarchy = _hierarchical_select_hierarchy_generate($config, $hs_selection, $element['#required'], $dropbox);

    return array($hierarchy, $dropbox);
  }

  private function assertHierarchy($hierarchy, $reference) {
    $this->assertIdentical($hierarchy->lineage,    $reference->lineage,    'Hierarchy lineage is correct.');
    $this->assertIdentical($hierarchy->levels,     $reference->levels,     'Hierarchy levels is correct.');
    $this->assertIdentical($hierarchy->childinfo, $reference->childinfo, 'Hierarchy child info is correct.');
  }
}