<?php

/**
 * @file
 * Test Date (ISO) and the Entity Metadata Wrappers play well together.
 */

/**
 * Test Date (ISO) and the Entity Metadata Wrappers play well together.
 */
class DateEmwTestCase extends DrupalWebTestCase {
  public $privileged_user = NULL;
  public $date_types = NULL;

  /**
   * Info about this test.
   */
  public static function getInfo() {
    return array(
      'name' => 'Date Entity Metadata Wrappers',
      'description' => 'Ensure default timezone setting in metadata wrapper integration is working as expected.',
      'group' => 'date',
      'dependencies' => array('entity'),
    );
  }

  /**
   * Set up a user and a content type with a Date (ISO) field.
   */
  public function setUp(array $modules = array()) {
    // Define the dependencies.
    $modules[] = 'date_api';
    $modules[] = 'date';
    $modules[] = 'field';
    $modules[] = 'field_ui';
    $modules[] = 'entity';
    $modules[] = 'entity_token';
    parent::setUp($modules);

    // Select a specific default timezone, and turn off user-configurable
    // timezone handling.
    variable_set('date_default_timezone', 'Pacific/Honolulu');
    variable_set('configurable_timezones', 0);

    // Create a privileged user and log in with it.
    $this->privileged_user = $this->drupalCreateUser(array(
      'administer site configuration',
      'administer content types',
      'administer nodes',
      'bypass node access',
      'administer fields',
    ));
    $this->drupalLogin($this->privileged_user);

    // Create a content type to which we can add our date fields.
    $edit = array();
    $edit['name'] = 'Story';
    $edit['type'] = 'story';
    $this->drupalPost('admin/structure/types/add', $edit, t('Save content type'));
    $this->assertText('The content type Story has been added.', 'Content type added.');

    // Add each of our date field types.
    $this->date_types = array(
      'date' => 'Date (ISO format)',
      'datetime' => 'Date',
      'datestamp' => 'Date (Unix timestamp)',
    );
    foreach ($this->date_types as $type => $label) {
      $field_name_for_human = 'test_' . $type;

      // Add the field.
      $field = array();
      $field['fields[_add_new_field][label]'] = $label;
      $field['fields[_add_new_field][field_name]'] = $field_name_for_human;
      $field['fields[_add_new_field][type]'] = $type;
      $field['fields[_add_new_field][widget_type]'] = 'date_text';
      $this->drupalPost('admin/structure/types/manage/story/fields', $field, 'Save');
      $this->assertText('These settings apply to the ' . $field['fields[_add_new_field][label]'] . ' field everywhere it is used.', $label . ' field added to content type.');

      // Set the timezone handling to 'none'.
      $field = array();
      $field['field[settings][tz_handling]'] = 'none';
      $this->drupalPost('admin/structure/types/manage/story/fields/field_' . $field_name_for_human, $field, 'Save settings');
      $this->assertText('Saved ' . $label . ' configuration.');
    }
  }

  /**
   * Test the edge case where timezone_db is empty.
   *
   * In this case the value returned by entity metadata wrappers is not the same
   * as that which is stored in the node.
   *
   * @see https://www.drupal.org/node/2123039
   */
  public function testCheckEntityMetadataWrapper() {
    // Create and save a edit.
    $edit = array();
    $edit['title'] = 'Testing dates';
    $edit['type'] = 'story';
    $this->drupalCreateNode($edit);
    // Fetch the Node.
    $node = $this->drupalGetNodeByTitle($edit['title']);
    // Prepare variables for token replacement.
    $variables['node'] = $node;
    // At this point we have a node with the appropriate field types available.
    $wrapper = entity_metadata_wrapper('node', $node);
    $original = '1482721671';
    foreach ($this->date_types as $type => $label) {
      $field = 'field_test_' . $type;
      $wrapper->{$field} = $original;
      $from_metadata_wrapper = $wrapper->{$field}->value();

      $this->assertEqual(
        $original,
        $from_metadata_wrapper,
        t(
          '!type plays nicely with Entity Metadata Wrappers. !original == !fetched',
          array(
            '!type' => $label,
            '!original' => $original,
            '!fetched' => $from_metadata_wrapper,
          )
        )
      );

      $token = "[node:field-test-${type}:raw]";
      $from_token = token_replace($token, $variables);

      $this->assertEqual(
        $original,
        $from_token,
        t(
          '!type plays nicely with Entity tokens. !original == !fetched',
          array(
            '!type' => $label,
            '!original' => $original,
            '!fetched' => $from_token,
          )
        )
      );
    }
  }

}