<?php

/**
 * Tests cloning a view.
 */
class ViewsCloneTest extends ViewsSqlTest {

  /**
   * Provide the test's meta information.
   */
  public static function getInfo() {
    return array(
      'name' => 'Test cloning a view',
      'description' => 'Tests clone_view method of views class',
      'group' => 'Views',
    );
  }

  /**
   * Returns a new term with random properties in vocabulary $vocabulary.
   */
  protected function createTerm($vocabulary) {
    $term = new stdClass();
    $term->name = $this->randomName();
    $term->description = $this->randomName();
    // Use the first available text format.
    $term->format = db_query_range('SELECT format FROM {filter_format}', 0, 1)->fetchField();
    $term->vid = $vocabulary->vid;
    taxonomy_term_save($term);
    return $term;
  }

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    parent::setUp();

    $vocabulary = taxonomy_vocabulary_machine_name_load('tags');
    $this->term = $this->createTerm($vocabulary);

    $node = array();
    $node['type'] = 'article';
    $node['field_tags'][LANGUAGE_NONE][]['tid'] = $this->term->tid;
    $this->node = $this->drupalCreateNode($node);
  }

  /**
   * Test cloning a view.
   */
  public function testClone() {
    // Prepare view to be cloned.
    $view = $this->getTestCloneView();
    $view->set_arguments(array(
      0 => $this->node->nid,
    ));
    $view->set_exposed_input(array(
      'field_tags_tid' => $this->term->tid,
    ));

    // Execute view to be cloned.
    $result = $view->execute();

    // To make sure that we are properly testing removal of all properties, we
    // first need to assert that they are actually present in the original view.
    $keys = array(
      'current_display',
      'display_handler',
      'field',
      'argument',
      'filter',
      'sort',
      'relationship',
      'header',
      'footer',
      'empty',
      'query',
      'inited',
      'style_plugin',
      'plugin_name',
      'exposed_data',
      'exposed_input',
      'exposed_widgets',
      'many_to_one_aliases',
      'many_to_one_tables',
      'feed_icon',
    );
    foreach ($keys as $key) {
      $this->assertTrue(isset($view->{$key}), $key . 'is set in original view.');
    }
    $this->assertTrue($view->built, 'Assert original view built.');
    $this->assertTrue($view->executed, 'Assert original view executed.');
    $this->assertNotEqual($view->build_info, array(), 'Assert original view has build_info.');
    $this->assertNotEqual($view->attachment_before, '', 'Assert original view has attachment_before.');
    $this->assertNotEqual($view->attachment_after, '', 'Assert original view has attachment_after.');
    $this->assertNotEqual($view->result, array(), 'Assert original view has result.');

    // Clone view.
    $clone = $view->clone_view();

    // Assert that all relevant properties have been removed or reset.
    $keys = array(
      'current_display',
      'display_handler',
      'field',
      'argument',
      'filter',
      'sort',
      'relationship',
      'header',
      'footer',
      'empty',
      'query',
      'inited',
      'style_plugin',
      'plugin_name',
      'exposed_data',
      'exposed_input',
      'exposed_widgets',
      'many_to_one_aliases',
      'many_to_one_tables',
      'feed_icon',
    );
    foreach ($keys as $key) {
      $this->assertFalse(isset($clone->{$key}), $key . ' has been removed in cloned view.');
    }
    foreach ($clone->display as $id => $display) {
      $this->assertFalse(isset($clone->display[$id]->handler), 'Make sure all display handlers have been destroyed.');
    }
    $this->assertFalse($clone->built, 'Assert cloned view not built.');
    $this->assertFalse($clone->executed, 'Assert cloned view not executed.');
    $this->assertEqual($clone->build_info, array(), 'Assert cloned view has empty build_info.');
    $this->assertEqual($clone->attachment_before, '', 'Assert cloned view has empty attachment_before.');
    $this->assertEqual($clone->attachment_after, '', 'Assert cloned view has empty attachment_after.');
    $this->assertEqual($clone->result, array(), 'Assert cloned view has empty result.');

    // Execute cloned view.
    $clone->execute();

    // Assert result sets are equal.
    $this->assertEqual($view->result, $clone->result, 'Result sets of cloned view and original view match.');
  }

  /**
   * Generate test_clone view.
   */
  protected function getTestCloneView() {
    $view = new view();
    $view->name = 'test_clone';
    $view->description = '';
    $view->tag = 'default';
    $view->base_table = 'node';
    $view->human_name = 'test_clone';
    $view->core = 7;
    $view->api_version = '3.0';
    $view->disabled = FALSE; /* Edit this to true to make a default view disabled initially */
    /* Display: Master */
    $handler = $view->new_display('default', 'Master', 'default');
    $handler->display->display_options['title'] = 'test_clone';
    $handler->display->display_options['use_more_always'] = FALSE;
    $handler->display->display_options['access']['type'] = 'perm';
    $handler->display->display_options['cache']['type'] = 'none';
    $handler->display->display_options['query']['type'] = 'views_query';
    $handler->display->display_options['exposed_form']['type'] = 'basic';
    $handler->display->display_options['pager']['type'] = 'full';
    $handler->display->display_options['pager']['options']['items_per_page'] = '10';
    $handler->display->display_options['style_plugin'] = 'default';
    $handler->display->display_options['row_plugin'] = 'node';
    /* Header: Global: Text area */
    $handler->display->display_options['header']['area']['id'] = 'area';
    $handler->display->display_options['header']['area']['table'] = 'views';
    $handler->display->display_options['header']['area']['field'] = 'area';
    $handler->display->display_options['header']['area']['label'] = 'Header';
    $handler->display->display_options['header']['area']['content'] = 'Header';
    $handler->display->display_options['header']['area']['format'] = 'filtered_html';
    /* Footer: Global: Text area */
    $handler->display->display_options['footer']['area']['id'] = 'area';
    $handler->display->display_options['footer']['area']['table'] = 'views';
    $handler->display->display_options['footer']['area']['field'] = 'area';
    $handler->display->display_options['footer']['area']['label'] = 'Footer';
    $handler->display->display_options['footer']['area']['content'] = 'Footer';
    $handler->display->display_options['footer']['area']['format'] = 'filtered_html';
    /* No results behavior: Global: Text area */
    $handler->display->display_options['empty']['area']['id'] = 'area';
    $handler->display->display_options['empty']['area']['table'] = 'views';
    $handler->display->display_options['empty']['area']['field'] = 'area';
    $handler->display->display_options['empty']['area']['label'] = 'Empty';
    $handler->display->display_options['empty']['area']['empty'] = TRUE;
    $handler->display->display_options['empty']['area']['content'] = 'Empty';
    $handler->display->display_options['empty']['area']['format'] = 'filtered_html';
    /* Relationship: Comment: Last Comment */
    $handler->display->display_options['relationships']['cid']['id'] = 'cid';
    $handler->display->display_options['relationships']['cid']['table'] = 'node_comment_statistics';
    $handler->display->display_options['relationships']['cid']['field'] = 'cid';
    /* Field: Content: Title */
    $handler->display->display_options['fields']['title']['id'] = 'title';
    $handler->display->display_options['fields']['title']['table'] = 'node';
    $handler->display->display_options['fields']['title']['field'] = 'title';
    $handler->display->display_options['fields']['title']['label'] = '';
    $handler->display->display_options['fields']['title']['alter']['word_boundary'] = FALSE;
    $handler->display->display_options['fields']['title']['alter']['ellipsis'] = FALSE;
    /* Sort criterion: Content: Post date */
    $handler->display->display_options['sorts']['created']['id'] = 'created';
    $handler->display->display_options['sorts']['created']['table'] = 'node';
    $handler->display->display_options['sorts']['created']['field'] = 'created';
    $handler->display->display_options['sorts']['created']['order'] = 'DESC';
    /* Contextual filter: Content: Nid */
    $handler->display->display_options['arguments']['nid']['id'] = 'nid';
    $handler->display->display_options['arguments']['nid']['table'] = 'node';
    $handler->display->display_options['arguments']['nid']['field'] = 'nid';
    $handler->display->display_options['arguments']['nid']['default_argument_type'] = 'fixed';
    $handler->display->display_options['arguments']['nid']['summary']['number_of_records'] = '0';
    $handler->display->display_options['arguments']['nid']['summary']['format'] = 'default_summary';
    $handler->display->display_options['arguments']['nid']['summary_options']['items_per_page'] = '25';
    /* Filter criterion: Content: Published */
    $handler->display->display_options['filters']['status']['id'] = 'status';
    $handler->display->display_options['filters']['status']['table'] = 'node';
    $handler->display->display_options['filters']['status']['field'] = 'status';
    $handler->display->display_options['filters']['status']['value'] = 'All';
    $handler->display->display_options['filters']['status']['group'] = 1;
    $handler->display->display_options['filters']['status']['exposed'] = TRUE;
    $handler->display->display_options['filters']['status']['expose']['operator_id'] = '';
    $handler->display->display_options['filters']['status']['expose']['label'] = 'Published';
    $handler->display->display_options['filters']['status']['expose']['operator'] = 'status_op';
    $handler->display->display_options['filters']['status']['expose']['identifier'] = 'status';
    $handler->display->display_options['filters']['status']['expose']['remember_roles'] = array(
      2 => '2',
    );
    /* Filter criterion: Content: Tags (field_tags) */
    $handler->display->display_options['filters']['field_tags_tid']['id'] = 'field_tags_tid';
    $handler->display->display_options['filters']['field_tags_tid']['table'] = 'field_data_field_tags';
    $handler->display->display_options['filters']['field_tags_tid']['field'] = 'field_tags_tid';
    $handler->display->display_options['filters']['field_tags_tid']['exposed'] = TRUE;
    $handler->display->display_options['filters']['field_tags_tid']['expose']['operator_id'] = 'field_tags_tid_op';
    $handler->display->display_options['filters']['field_tags_tid']['expose']['label'] = 'Tags (field_tags)';
    $handler->display->display_options['filters']['field_tags_tid']['expose']['operator'] = 'field_tags_tid_op';
    $handler->display->display_options['filters']['field_tags_tid']['expose']['identifier'] = 'field_tags_tid';
    $handler->display->display_options['filters']['field_tags_tid']['expose']['remember_roles'] = array(
      2 => '2',
    );
    $handler->display->display_options['filters']['field_tags_tid']['reduce_duplicates'] = TRUE;
    $handler->display->display_options['filters']['field_tags_tid']['type'] = 'select';
    $handler->display->display_options['filters']['field_tags_tid']['vocabulary'] = 'tags';
    /* Display: Page */
    $handler = $view->new_display('page', 'Page', 'page');
    $handler->display->display_options['path'] = 'test-clone';
    /* Display: attachment_before */
    $handler = $view->new_display('attachment', 'attachment_before', 'attachment_1');
    $handler->display->display_options['pager']['type'] = 'some';
    $handler->display->display_options['displays'] = array(
      'default' => 'default',
      'page' => 'page',
    );
    $handler->display->display_options['inherit_exposed_filters'] = TRUE;
    /* Display: attachment_after */
    $handler = $view->new_display('attachment', 'attachment_after', 'attachment_2');
    $handler->display->display_options['pager']['type'] = 'some';
    $handler->display->display_options['displays'] = array(
      'default' => 'default',
      'page' => 'page',
    );
    $handler->display->display_options['attachment_position'] = 'after';
    $handler->display->display_options['inherit_exposed_filters'] = TRUE;
    /* Display: Feed */
    $handler = $view->new_display('feed', 'Feed', 'feed_1');
    $handler->display->display_options['pager']['type'] = 'some';
    $handler->display->display_options['style_plugin'] = 'rss';
    $handler->display->display_options['row_plugin'] = 'node_rss';
    $handler->display->display_options['path'] = 'test_clone/rss';
    $handler->display->display_options['displays'] = array(
      'default' => 'default',
      'page' => 'page',
    );
    return $view;
  }

}